import readline from "readline";
import chalk from "chalk";
import fs from "fs";
import path from "path";
import { fileURLToPath } from "url";
import { AppState, Issue, Comment } from "./types.js";
import {
  fetchIssues,
  fetchIssue,
  fetchIssueComments,
  validateConnection,
  normalizeUrl,
  authenticateAndFetchRepos,
  createIssue,
  createIssueComment,
  editIssue,
  addIssueTime,
  changeIssueState,
  setIssueAssignees,
  fetchLabels,
  createLabel,
  updateLabel,
  deleteLabel,
} from "./api.js";
import { saveGlobalConfig } from "./config.js";

// Setup readline for stdin keypress events
readline.emitKeypressEvents(process.stdin);

// Spinner chars for loading animations
const SPINNER_FRAMES = ["⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏"];
let spinnerIndex = 0;

const GRAVESTONE_FRAMES = [
  [
    chalk.gray("                 "),
    chalk.gray("                 "),
    chalk.gray("                 "),
    chalk.gray("                 "),
    chalk.gray("   ___________   "),
  ],
  [
    chalk.gray("                 "),
    chalk.gray("                 "),
    chalk.gray("                 "),
    chalk.gray("       ___       "),
    chalk.gray("   ___/___\\___   "),
  ],
  [
    chalk.gray("                 "),
    chalk.gray("                 "),
    chalk.gray("       ___       "),
    chalk.gray("      /   \\      "),
    chalk.gray("   __|_____|__   "),
  ],
  [
    chalk.gray("                 "),
    chalk.gray("       ___       "),
    chalk.gray("      /   \\      "),
    chalk.gray("     | RIP |     "),
    chalk.gray("   __|_____|__   "),
  ],
  [
    chalk.gray("       ___       "),
    chalk.gray("      /   \\      "),
    chalk.gray("     | RIP |     "),
    chalk.gray("     |     |     "),
    chalk.gray("   __|_____|__   "),
  ],
];

const ZOMBIE_FRAMES = [
  [
    chalk.gray("       ___       "),
    chalk.gray("      /   \\      "),
    chalk.gray("     | RIP |     "),
    chalk.gray("     |     |     "),
    chalk.gray("   __|_____|__   "),
  ],
  [
    chalk.gray("       ___       "),
    chalk.gray("      /   \\      "),
    chalk.gray("     | RIP |     "),
    chalk.gray("     |     |     "),
    chalk.gray("   __|_ ") + chalk.green(".") + chalk.gray(" _|__   "),
  ],
  [
    chalk.gray("       ___       "),
    chalk.gray("      /   \\      "),
    chalk.gray("     | RIP |     "),
    chalk.gray("     |  ") + chalk.green("^") + chalk.gray("  |     "),
    chalk.gray("   __|_") + chalk.green("/ \\") + chalk.gray("_|__   "),
  ],
  [
    chalk.gray("       ___       "),
    chalk.gray("      /   \\      "),
    chalk.gray("     | ") + chalk.green("o_o") + chalk.gray(" |     "),
    chalk.gray("     | ") + chalk.green("/|\\") + chalk.gray(" |     "),
    chalk.gray("   __|_ ") + chalk.green("|") + chalk.gray(" _|__   "),
  ],
  [
    chalk.gray("       ___       "),
    chalk.gray("      /") + chalk.green("o_o") + chalk.gray("\\      "),
    chalk.gray("     | ") + chalk.green("/|\\") + chalk.gray(" |     "),
    chalk.gray("     |  ") + chalk.green("|") + chalk.gray("  |     "),
    chalk.gray("   __|_") + chalk.green("/ \\") + chalk.gray("_|__   "),
  ],
  [
    chalk.gray("      \\") + chalk.green("o_o") + chalk.gray("/      "),
    chalk.gray("      / ") + chalk.green("|") + chalk.gray(" \\      "),
    chalk.gray("     | ") + chalk.green("/ \\") + chalk.gray(" |     "),
    chalk.gray("     |     |     "),
    chalk.gray("   __|_____|__   "),
  ],
];

let spinnerInterval: NodeJS.Timeout | null = null;

/**
 * Word wraps text into lines of a maximum width.
 */
export function wordWrap(text: string, maxWidth: number): string[] {
  if (!text) return [];
  const lines: string[] = [];
  const rawLines = text.split("\n");

  for (const rawLine of rawLines) {
    if (rawLine.trim() === "") {
      lines.push("");
      continue;
    }

    let currentLine = "";
    const words = rawLine.split(/\s+/);

    for (const word of words) {
      if (!word) continue;

      if (currentLine.length + word.length + 1 <= maxWidth) {
        currentLine += (currentLine ? " " : "") + word;
      } else {
        if (currentLine) {
          lines.push(currentLine);
        }
        // If a single word is longer than maxWidth, force break it
        let tempWord = word;
        while (tempWord.length > maxWidth) {
          lines.push(tempWord.substring(0, maxWidth));
          tempWord = tempWord.substring(maxWidth);
        }
        currentLine = tempWord;
      }
    }
    if (currentLine) {
      lines.push(currentLine);
    }
  }

  return lines;
}

/**
 * Formats an ISO date string into YYYY-MM-DD HH:MM.
 */
export function formatDate(dateStr: string): string {
  try {
    const d = new Date(dateStr);
    if (isNaN(d.getTime())) return "n/a";
    const yr = d.getFullYear();
    const mo = String(d.getMonth() + 1).padStart(2, "0");
    const day = String(d.getDate()).padStart(2, "0");
    const hr = String(d.getHours()).padStart(2, "0");
    const min = String(d.getMinutes()).padStart(2, "0");
    return `${yr}-${mo}-${day} ${hr}:${min}`;
  } catch {
    return "n/a";
  }
}

// Utility to safely truncate strings
function truncate(str: string, length: number): string {
  if (str.length <= length) return str;
  return str.substring(0, length - 1) + "…";
}

// Utility to format seconds into h m format
function formatTime(seconds?: number): string {
  if (!seconds || seconds <= 0) return "0m";
  const h = Math.floor(seconds / 3600);
  const m = Math.floor((seconds % 3600) / 60);
  if (h > 0 && m > 0) return `${h}h ${m}m`;
  if (h > 0) return `${h}h`;
  return `${m}m`;
}

/**
 * Helper to strip ANSI escape codes from a string for accurate length calculations.
 */
function stripAnsi(str: string): string {
  return str.replace(
    /[\u001b\u009b][[()#;?]*(?:[0-9]{1,4}(?:;[0-9]{0,4})*)?[0-9A-ORZcf-nqry=><]/g,
    "",
  );
}

/**
 * TUI State Controller and Render Engine
 */
export class TuiEngine {
  private state: AppState;
  private onQuit: () => void = () => {};
  private activeSearchInput: boolean = false;
  private searchInputBuffer: string = "";
  private animationFrame: number = 0;
  private animationInterval: NodeJS.Timeout | null = null;
  private launchDestScreen: "list" | "setup" = "setup";
  private launchFrame: string[] = [];
  private launchFrameIndex = 0;
  private launchInterval: NodeJS.Timeout | null = null;
  private maxLaunchFrames = 60;
  private autoRefreshTimer: NodeJS.Timeout | null = null;

  private restartAutoRefresh() {
    if (this.autoRefreshTimer) {
      clearInterval(this.autoRefreshTimer);
      this.autoRefreshTimer = null;
    }

    if (this.state.autoRefreshInterval && this.state.autoRefreshInterval > 0) {
      this.autoRefreshTimer = setInterval(() => {
        // We need a way to check if input is active, but isTextInputActive isn't accessible here if we didn't add it.
        // Wait, isTextInputActive is a method of TuiEngine, or I reverted it?
        // Ah! I reverted isTextInputActive earlier!
        const isTextInputActive =
          this.state.screen === "setup" ||
          (this.state.screen === "repo-picker" &&
            this.state.repoPickerActiveSearch) ||
          (this.state.screen === "list" && this.activeSearchInput) ||
          this.state.screen === "create-issue" ||
          this.state.screen === "add-comment" ||
          this.state.screen === "edit-issue" ||
          this.state.screen === "add-time" ||
          this.state.screen === "set-assignees" ||
          this.state.screen === "create-label" ||
          this.state.screen === "edit-label";

        if (isTextInputActive) return;

        // Background refresh
        if (this.state.screen === "list") {
          this.loadIssues();
        } else if (
          this.state.screen === "details" &&
          this.state.selectedIssue
        ) {
          this.reloadSingleIssue();
        }
      }, this.state.autoRefreshInterval * 1000);
    }
  }

  constructor(initialState: AppState) {
    this.state = initialState;

    // Set up resize handler
    process.stdout.on("resize", () => {
      this.render();
    });
  }

  /**
   * Starts the TUI engine and registers keypress listeners.
   */
  public start(onQuit: () => void) {
    this.onQuit = onQuit;

    // Put terminal in raw mode
    if (process.stdin.isTTY) {
      process.stdin.setRawMode(true);
    }
    process.stdin.resume();
    process.stdin.on("keypress", this.handleKeypress.bind(this));

    // Enter alternate screen buffer and hide standard cursor
    process.stdout.write("\x1B[?1049h\x1B[?25l");

    // Bootstrap destination
    if (
      this.state.config.url &&
      this.state.config.owner &&
      this.state.config.repo
    ) {
      this.launchDestScreen = "list";
    } else {
      this.launchDestScreen = "setup";
    }

    this.restartAutoRefresh();
    this.state.screen = "launch";
    this.startLaunchAnimation();
  }

  /**
   * Stops the TUI engine, restores terminal state.
   */
  public stop() {
    this.stopSpinner();
    if (this.animationInterval) {
      clearInterval(this.animationInterval);
      this.animationInterval = null;
    }
    if (this.launchInterval) {
      clearInterval(this.launchInterval);
      this.launchInterval = null;
    }
    if (this.autoRefreshTimer) {
      clearInterval(this.autoRefreshTimer);
      this.autoRefreshTimer = null;
    }
    // Exit alternate screen buffer and show standard cursor
    process.stdout.write("\x1B[?1049l\x1B[?25h");
    if (process.stdin.isTTY) {
      process.stdin.setRawMode(false);
    }
    process.stdin.pause();
    this.onQuit();
  }

  private startSpinner() {
    this.stopSpinner();
    spinnerInterval = setInterval(() => {
      spinnerIndex = (spinnerIndex + 1) % SPINNER_FRAMES.length;
      this.render();
    }, 80);
  }

  private stopSpinner() {
    if (spinnerInterval) {
      clearInterval(spinnerInterval);
      spinnerInterval = null;
    }
  }

  /**
   * Fetches issues from the API client based on current state parameters.
   */
  private async loadIssues() {
    this.state.loading = true;
    this.state.error = null;
    this.startSpinner();

    try {
      const { issues, totalCount } = await fetchIssues(this.state.config, {
        page: this.state.currentPage,
        limit: this.state.issuesPerPage,
        state: this.state.stateFilter,
        type: this.state.typeFilter,
        q: this.state.searchQuery,
        sortField: this.state.sortField,
        sortOrder: this.state.sortOrder,
      });

      this.state.issues = issues;
      this.state.totalIssuesCount = totalCount;

      // Keep cursor bounds-checked
      if (this.state.selectedIssueIndex >= issues.length) {
        this.state.selectedIssueIndex = Math.max(0, issues.length - 1);
      }
    } catch (err: any) {
      this.state.error = err.message;
      this.state.issues = [];
      this.state.totalIssuesCount = 0;
    } finally {
      this.state.loading = false;
      this.stopSpinner();
      this.render();
    }
  }

  /**
   * Fetches the current single issue and its comments again.
   */
  private async reloadSingleIssue() {
    if (!this.state.selectedIssue) return;
    this.state.loading = true;
    this.state.error = null;
    this.startSpinner();

    try {
      const issue = await fetchIssue(
        this.state.config,
        this.state.selectedIssue.number,
      );
      this.state.selectedIssue = issue;

      // Update in the main list as well
      const listIndex = this.state.issues.findIndex(
        (i) => i.number === issue.number,
      );
      if (listIndex !== -1) {
        this.state.issues[listIndex] = issue;
      }

      await this.loadComments(issue);
    } catch (err: any) {
      this.state.error = `Failed to reload issue: ${err.message}`;
    } finally {
      this.state.loading = false;
      this.stopSpinner();
      this.render();
    }
  }

  /**
   * Fetches comments for the selected issue.
   */
  private async loadComments(issue: Issue) {
    this.state.commentsLoading = true;
    this.state.selectedIssueComments = [];
    this.render();

    try {
      const comments = await fetchIssueComments(
        this.state.config,
        issue.number,
      );
      this.state.selectedIssueComments = comments;
    } catch (err: any) {
      // Gracefully show comment loading error
      this.state.selectedIssueComments = [
        {
          id: -1,
          user: { id: 0, login: "system", full_name: "System Error" },
          body: `Failed to load comments: ${err.message}`,
          created_at: new Date().toISOString(),
          updated_at: new Date().toISOString(),
        },
      ];
    } finally {
      this.state.commentsLoading = false;
      this.render();
    }
  }

  /**
   * Keyboard input routers
   */
  private async handleKeypress(str: string, key: any) {
    // Standard Ctrl+C quit
    if (key && key.ctrl && key.name === "c") {
      this.stop();
      return;
    }

    if (this.state.screen === "launch") {
      this.skipLaunchAnimation();
      return;
    }

    if (this.state.screen === "setup") {
      this.handleSetupKeypress(str, key);
    } else if (this.state.screen === "repo-picker") {
      this.handleRepoPickerKeypress(str, key);
    } else if (this.state.screen === "list") {
      if (this.activeSearchInput) {
        this.handleSearchKeypress(str, key);
      } else {
        this.handleListKeypress(str, key);
      }
    } else if (this.state.screen === "details") {
      this.handleDetailsKeypress(str, key);
    } else if (this.state.screen === "create-issue") {
      this.handleCreateIssueKeypress(str, key);
    } else if (this.state.screen === "confirm-cancel-create") {
      this.handleConfirmCancelCreateKeypress(str, key);
    } else if (this.state.screen === "confirm-cancel-edit") {
      this.handleConfirmCancelEditKeypress(str, key);
    } else if (this.state.screen === "add-comment") {
      this.handleAddCommentKeypress(str, key);
    } else if (this.state.screen === "edit-issue") {
      this.handleEditIssueKeypress(str, key);
    } else if (this.state.screen === "add-time") {
      this.handleAddTimeKeypress(str, key);
    } else if (this.state.screen === "set-assignees") {
      this.handleSetAssigneesKeypress(str, key);
    } else if (this.state.screen === "labels-list") {
      this.handleLabelsListKeypress(str, key);
    } else if (
      this.state.screen === "create-label" ||
      this.state.screen === "edit-label"
    ) {
      this.handleLabelFormKeypress(str, key);
    } else if (this.state.screen === "help") {
      this.handleHelpKeypress(str, key);
    }
  }

  /**
   * Key handling for Help screen
   */
  private handleHelpKeypress(str: string, key: any) {
    if (
      (key && (key.name === "escape" || key.name === "return")) ||
      str === "q" ||
      str === "Q" ||
      str === "?"
    ) {
      this.state.screen = this.state.previousScreen || "list";
      this.render();
    }
  }

  /**
   * Key handling for Setup form
   */
  private async handleSetupKeypress(str: string, key: any) {
    const form = this.state.setupForm;
    const fields: Array<"url" | "userid" | "token" | "saveConfig"> = [
      "url",
      "userid",
      "token",
      "saveConfig",
    ];
    const currentIdx = fields.indexOf(form.activeField);

    if (key && key.name === "down") {
      form.activeField = fields[(currentIdx + 1) % fields.length];
      this.render();
      return;
    }

    if (key && key.name === "up") {
      form.activeField =
        fields[(currentIdx - 1 + fields.length) % fields.length];
      this.render();
      return;
    }

    if (key && key.name === "tab") {
      form.activeField = fields[(currentIdx + 1) % fields.length];
      this.render();
      return;
    }

    if (str === " ") {
      if (form.activeField === "saveConfig") {
        form.saveConfig = !form.saveConfig;
        this.render();
        return;
      }
    }

    if ((key && key.name === "return") || str === "\r" || str === "\n") {
      if (form.activeField === "saveConfig") {
        form.saveConfig = !form.saveConfig;
        this.render();
        return;
      }

      // Submit form
      if (!form.url.trim()) {
        this.state.error = "Instance URL is required.";
        this.render();
        return;
      }
      if (!form.userid.trim()) {
        this.state.error = "User ID / Username is required.";
        this.render();
        return;
      }

      this.state.loading = true;
      this.state.error = null;
      this.render();

      try {
        const repos = await authenticateAndFetchRepos(
          form.url,
          form.userid,
          form.token,
        );

        this.state.repos = repos;
        this.state.selectedRepoIndex = 0;
        this.state.repoSearchQuery = "";
        this.state.repoPickerActiveSearch = false;

        if (repos.length === 0) {
          throw new Error(
            "No repositories found for the provided credentials.",
          );
        }

        // Go to repo picker screen!
        this.state.screen = "repo-picker";
        this.state.loading = false;
        this.render();
      } catch (err: any) {
        this.state.error = err.message;
        this.state.loading = false;
        this.render();
      }
      return;
    }

    if ((key && key.name === "escape") || str === "\u001b") {
      this.stop();
      return;
    }

    if (key && key.name === "backspace") {
      if (form.activeField === "url") form.url = form.url.slice(0, -1);
      if (form.activeField === "userid") form.userid = form.userid.slice(0, -1);
      if (form.activeField === "token") form.token = form.token.slice(0, -1);
      this.render();
      return;
    }

    // Type character
    if (
      str &&
      !key.ctrl &&
      !key.meta &&
      str.length === 1 &&
      str.charCodeAt(0) >= 32
    ) {
      if (form.activeField === "url") form.url += str;
      if (form.activeField === "userid") form.userid += str;
      if (form.activeField === "token") form.token += str;
      this.render();
    }
  }

  /**
   * Key handling for Repository Picker screen
   */
  private handleRepoPickerKeypress(str: string, key: any) {
    if (this.state.loading) return;

    const filteredRepos = this.state.repos.filter(
      (r) =>
        r.full_name
          .toLowerCase()
          .includes(this.state.repoSearchQuery.toLowerCase()) ||
        (r.description &&
          r.description
            .toLowerCase()
            .includes(this.state.repoSearchQuery.toLowerCase())),
    );

    if (this.state.repoPickerActiveSearch) {
      if ((key && key.name === "escape") || str === "\u001b") {
        this.state.repoPickerActiveSearch = false;
        this.state.repoSearchQuery = "";
        this.state.selectedRepoIndex = 0;
        process.stdout.write("\x1B[?25l"); // Hide cursor
        this.render();
        return;
      }

      if ((key && key.name === "return") || str === "\r" || str === "\n") {
        this.state.repoPickerActiveSearch = false;
        process.stdout.write("\x1B[?25l"); // Hide cursor
        this.render();
        return;
      }

      if (key && key.name === "backspace") {
        this.state.repoSearchQuery = this.state.repoSearchQuery.slice(0, -1);
        this.state.selectedRepoIndex = 0;
        this.render();
        return;
      }

      if (
        str &&
        !key.ctrl &&
        !key.meta &&
        str.length === 1 &&
        str.charCodeAt(0) >= 32
      ) {
        this.state.repoSearchQuery += str;
        this.state.selectedRepoIndex = 0;
        this.render();
      }
      return;
    }

    // Search inactive keypresses
    if ((key && key.name === "escape") || str === "\u001b") {
      this.state.screen = "setup";
      this.render();
      return;
    }

    if ((key && key.name === "up") || str === "k") {
      if (this.state.selectedRepoIndex > 0) {
        this.state.selectedRepoIndex--;
        this.render();
      }
      return;
    }

    if ((key && key.name === "down") || str === "j") {
      if (this.state.selectedRepoIndex < filteredRepos.length - 1) {
        this.state.selectedRepoIndex++;
        this.render();
      }
      return;
    }

    if (str === "/") {
      this.state.repoPickerActiveSearch = true;
      this.render();
      return;
    }

    if ((key && key.name === "return") || str === "\r" || str === "\n") {
      if (
        filteredRepos.length > 0 &&
        this.state.selectedRepoIndex < filteredRepos.length
      ) {
        const selectedRepo = filteredRepos[this.state.selectedRepoIndex];
        const parts = selectedRepo.full_name.split("/");

        this.state.config = {
          url: normalizeUrl(this.state.setupForm.url),
          token: this.state.setupForm.token.trim() || null,
          userid: this.state.setupForm.userid.trim(),
          owner: parts[0],
          repo: parts[1],
        };

        if (this.state.setupForm.saveConfig) {
          saveGlobalConfig({
            url: this.state.config.url,
            userid: this.state.config.userid,
            token: this.state.config.token,
            repo: `${parts[0]}/${parts[1]}`,
          });
        }

        this.state.screen = "list";
        this.state.currentPage = 1;
        this.state.selectedIssueIndex = 0;
        this.state.searchQuery = "";
        this.loadIssues();
      }
    }
  }

  /**
   * Key handling for searching overlay
   */
  private handleSearchKeypress(str: string, key: any) {
    if ((key && key.name === "escape") || str === "\u001b") {
      this.activeSearchInput = false;
      this.searchInputBuffer = "";
      process.stdout.write("\x1B[?25l"); // Hide cursor
      this.render();
      return;
    }

    if ((key && key.name === "return") || str === "\r" || str === "\n") {
      this.activeSearchInput = false;
      this.state.searchQuery = this.searchInputBuffer;
      this.state.currentPage = 1;
      this.state.selectedIssueIndex = 0;
      process.stdout.write("\x1B[?25l"); // Hide cursor
      this.loadIssues();
      return;
    }

    if (key && key.name === "backspace") {
      this.searchInputBuffer = this.searchInputBuffer.slice(0, -1);
      this.render();
      return;
    }

    if (
      str &&
      !key.ctrl &&
      !key.meta &&
      str.length === 1 &&
      str.charCodeAt(0) >= 32
    ) {
      this.searchInputBuffer += str;
      this.render();
    }
  }

  /**
   * Key handling for Dashboard list
   */
  private handleListKeypress(str: string, key: any) {
    if (this.state.loading) return;

    if (key && key.name === "tab") {
      this.state.focusedPane =
        this.state.focusedPane === "settings" ? "list" : "settings";
      this.render();
      return;
    }

    if (this.state.focusedPane === "settings") {
      if (key && key.name === "left") {
        this.state.selectedSettingIndex =
          (this.state.selectedSettingIndex - 1 + 5) % 5;
        this.render();
        return;
      }
      if (key && key.name === "right") {
        this.state.selectedSettingIndex =
          (this.state.selectedSettingIndex + 1) % 5;
        this.render();
        return;
      }
      if (key && key.name === "up") {
        return;
      }
      if (key && key.name === "down") {
        return;
      }
      if ((key && key.name === "return") || str === "\r" || str === "\n") {
        const selIdx = this.state.selectedSettingIndex;
        if (selIdx === 0) {
          // Search
          this.activeSearchInput = true;
          this.searchInputBuffer = this.state.searchQuery;
          this.render();
        } else if (selIdx === 1) {
          // State
          const states: Array<"open" | "closed" | "all"> = [
            "open",
            "closed",
            "all",
          ];
          const currentIdx = states.indexOf(this.state.stateFilter);
          this.state.stateFilter = states[(currentIdx + 1) % states.length];
          this.state.currentPage = 1;
          this.state.selectedIssueIndex = 0;
          this.loadIssues();
        } else if (selIdx === 2) {
          // Type
          const types: Array<"issues" | "pulls" | "all"> = [
            "issues",
            "pulls",
            "all",
          ];
          const currentIdx = types.indexOf(this.state.typeFilter);
          this.state.typeFilter = types[(currentIdx + 1) % types.length];
          this.state.currentPage = 1;
          this.state.selectedIssueIndex = 0;
          this.loadIssues();
        } else if (selIdx === 3) {
          // Sort
          const fields: Array<
            "created" | "updated" | "comments" | "assignees"
          > = ["created", "updated", "comments", "assignees"];
          const currentSortIdx = fields.indexOf(this.state.sortField);
          if (this.state.sortOrder === "desc") {
            this.state.sortOrder = "asc";
          } else {
            this.state.sortOrder = "desc";
            this.state.sortField = fields[(currentSortIdx + 1) % fields.length];
          }
          this.state.currentPage = 1;
          this.state.selectedIssueIndex = 0;
          this.loadIssues();
        } else if (selIdx === 4) {
          // Auto-Refresh
          const intervals = [0, 15, 30, 60, 300];
          const currentIdx = intervals.indexOf(
            this.state.autoRefreshInterval || 0,
          );
          this.state.autoRefreshInterval =
            intervals[(currentIdx + 1) % intervals.length];
          this.state.config.autoRefreshInterval =
            this.state.autoRefreshInterval;
          // Restart timer
          this.restartAutoRefresh();
          // Save to config globally
          saveGlobalConfig(this.state.config);
          this.render();
        }
        return;
      }
    }

    if (str === "?") {
      this.state.previousScreen = "list";
      this.state.screen = "help";
      this.render();
      return;
    }

    if ((key && key.name === "escape") || str === "\u001b") {
      this.stop();
      return;
    }

    if (str === "o" || str === "O") {
      this.state.screen = "setup";
      this.state.error = null;
      this.render();
      return;
    }

    if ((key && key.name === "up") || str === "k") {
      if (this.state.selectedIssueIndex > 0) {
        this.state.selectedIssueIndex--;
        this.render();
      }
      return;
    }

    if ((key && key.name === "down") || str === "j") {
      if (this.state.selectedIssueIndex < this.state.issues.length - 1) {
        this.state.selectedIssueIndex++;
        this.render();
      }
      return;
    }

    // Pagination: Right/PageDown -> Next, Left/PageUp -> Prev
    if (
      (key && key.name === "right") ||
      (key && key.name === "pagedown") ||
      str === "n"
    ) {
      const maxPages = Math.ceil(
        this.state.totalIssuesCount / this.state.issuesPerPage,
      );
      if (this.state.currentPage < maxPages) {
        this.state.currentPage++;
        this.state.selectedIssueIndex = 0;
        this.loadIssues();
      }
      return;
    }

    if (
      (key && key.name === "left") ||
      (key && key.name === "pageup") ||
      str === "p"
    ) {
      if (this.state.currentPage > 1) {
        this.state.currentPage--;
        this.state.selectedIssueIndex = 0;
        this.loadIssues();
      }
      return;
    }

    if ((key && key.name === "return") || str === "\r" || str === "\n") {
      if (this.state.issues.length > 0) {
        const issue = this.state.issues[this.state.selectedIssueIndex];
        this.state.selectedIssue = issue;
        this.state.detailScrollOffset = 0;
        this.state.screen = "details";
        this.loadComments(issue);
      }
      return;
    }

    // Toggle Filters & Sorting
    if (str === "/") {
      // Focus Search input
      this.activeSearchInput = true;
      this.searchInputBuffer = this.state.searchQuery;
      this.render();
      return;
    }

    if (str === "s" || str === "S") {
      // Cycle sorts: created -> updated -> comments -> assignees
      const fields: Array<"created" | "updated" | "comments" | "assignees"> = [
        "created",
        "updated",
        "comments",
        "assignees",
      ];
      const currentSortIdx = fields.indexOf(this.state.sortField);

      // If desc, switch to asc. If asc, switch to next field desc!
      if (this.state.sortOrder === "desc") {
        this.state.sortOrder = "asc";
      } else {
        this.state.sortOrder = "desc";
        this.state.sortField = fields[(currentSortIdx + 1) % fields.length];
      }
      this.state.currentPage = 1;
      this.state.selectedIssueIndex = 0;
      this.loadIssues();
      return;
    }

    if (str === "c" || str === "C") {
      // Navigate to Create Issue Screen
      this.state.screen = "create-issue";
      this.state.createIssueForm.title = "";
      this.state.createIssueForm.body = "";
      this.state.createIssueForm.activeField = "title";
      this.state.createIssueForm.cursor =
        this.state.createIssueForm.title.length;
      this.render();
      return;
    }

    if (str === "f" || str === "F") {
      // Cycle states: open -> closed -> all
      const states: Array<"open" | "closed" | "all"> = [
        "open",
        "closed",
        "all",
      ];
      const currentIdx = states.indexOf(this.state.stateFilter);
      this.state.stateFilter = states[(currentIdx + 1) % states.length];
      this.state.currentPage = 1;
      this.state.selectedIssueIndex = 0;
      this.loadIssues();
      return;
    }

    if (str === "t" || str === "T") {
      // Cycle type: issues -> pulls -> all
      const types: Array<"issues" | "pulls" | "all"> = [
        "issues",
        "pulls",
        "all",
      ];
      const currentIdx = types.indexOf(this.state.typeFilter);
      this.state.typeFilter = types[(currentIdx + 1) % types.length];
      this.state.currentPage = 1;
      this.state.selectedIssueIndex = 0;
      this.loadIssues();
      return;
    }

    if (str === "r" || str === "R") {
      // Refresh
      this.loadIssues();
      return;
    }

    if (str === "l" || str === "L") {
      this.state.screen = "labels-list";
      this.state.selectedLabelIndex = 0;
      this.loadLabels();
      return;
    }

    if (str === "q" || str === "Q") {
      this.stop();
    }
  }

  /**
   * Key handling for detail screen scrolling
   */
  private handleDetailsKeypress(str: string, key: any) {
    if (key && key.name === "tab") {
      this.state.focusedPane =
        this.state.focusedPane === "settings" ? "list" : "settings";
      this.render();
      return;
    }

    if (this.state.focusedPane === "settings") {
      if ((key && key.name === "return") || str === "\r" || str === "\n") {
        const intervals = [0, 15, 30, 60, 300];
        const currentIdx = intervals.indexOf(
          this.state.autoRefreshInterval || 0,
        );
        this.state.autoRefreshInterval =
          intervals[(currentIdx + 1) % intervals.length];
        this.state.config.autoRefreshInterval = this.state.autoRefreshInterval;
        this.restartAutoRefresh();
        saveGlobalConfig(this.state.config);
        this.render();
        return;
      }
      if ((key && key.name === "escape") || str === "\u001b") {
        this.state.focusedPane = "list";
        this.render();
        return;
      }
      // Swallow other keys in settings mode
      return;
    }

    if ((key && key.name === "up") || str === "k") {
      if (this.state.detailScrollOffset > 0) {
        this.state.detailScrollOffset--;
        this.render();
      }
      return;
    }

    // Navigate with j/k as well for vim-style navigation in details view content scroll
    else if ((key && key.name === "down") || str === "j") {
      this.state.detailScrollOffset++;
      this.render();
      return;
    }

    if (key && key.name === "pagedown") {
      this.state.detailScrollOffset += 10;
      this.render();
      return;
    }

    if (str === "o" || str === "O") {
      this.state.screen = "setup";
      this.state.selectedIssue = null;
      this.state.selectedIssueComments = [];
      this.state.error = null;
      this.render();
      return;
    }

    if (str === "c" || str === "C") {
      this.state.screen = "add-comment";
      this.state.addCommentForm.body = "";
      this.state.error = null;
      this.render();
      return;
    }

    if (str === "e" || str === "E") {
      if (this.state.selectedIssue) {
        this.state.screen = "edit-issue";
        this.state.editIssueForm.title = this.state.selectedIssue.title;
        this.state.editIssueForm.body = this.state.selectedIssue.body;
        this.state.editIssueForm.activeField = "title";
        this.state.editIssueForm.cursor = this.state.editIssueForm.title.length;
        this.state.error = null;
        this.render();
      }
      return;
    }

    if (str === "r" || str === "R") {
      if (this.state.selectedIssue) {
        this.reloadSingleIssue();
      }
      return;
    }

    if (str === "t" || str === "T") {
      if (this.state.selectedIssue) {
        this.state.screen = "add-time";
        this.state.addTimeForm.timeInput = "";
        this.state.error = null;
        this.render();
      }
      return;
    }

    if (str === "x" || str === "X") {
      if (this.state.selectedIssue) {
        this.state.screen = "confirm-state-change";
        this.state.error = null;
        this.render();
      }
      return;
    }

    if (str === "a" || str === "A") {
      if (this.state.selectedIssue) {
        this.state.screen = "set-assignees";
        this.state.assigneesInput = (this.state.selectedIssue.assignees || [])
          .map((u) => u.login)
          .join(", ");
        this.state.error = null;
        this.render();
      }
      return;
    }

    if (str === "?") {
      this.state.previousScreen = "details";
      this.state.screen = "help";
      this.render();
      return;
    }

    if (
      (key && (key.name === "escape" || key.name === "backspace")) ||
      str === "\u001b" ||
      str === "q" ||
      str === "Q"
    ) {
      this.state.screen = "list";
      this.state.selectedIssue = null;
      this.state.selectedIssueComments = [];
      this.render();
    }
  }

  /**
   * Renders the current screen to stdout
   */
  public render() {
    const cols = process.stdout.columns || 80;
    const rows = process.stdout.rows || 24;

    // Clear terminal screen, clear scrollback buffer, and reset cursor position
    process.stdout.write("\x1B[2J\x1B[3J\x1B[H");

    if (this.state.screen === "launch") {
      this.renderLaunchScreen(cols, rows);
    } else if (this.state.screen === "setup") {
      this.renderSetupScreen(cols, rows);
    } else if (this.state.screen === "repo-picker") {
      this.renderRepoPickerScreen(cols, rows);
    } else if (this.state.screen === "list") {
      this.renderListScreen(cols, rows);
    } else if (this.state.screen === "details") {
      this.renderDetailsScreen(cols, rows);
    } else if (this.state.screen === "create-issue") {
      this.renderCreateIssueScreen(cols, rows);
    } else if (this.state.screen === "add-comment") {
      this.renderAddCommentScreen(cols, rows);
    } else if (this.state.screen === "edit-issue") {
      this.renderEditIssueScreen(cols, rows);
    } else if (this.state.screen === "add-time") {
      this.renderAddTimeScreen(cols, rows);
    } else if (this.state.screen === "confirm-state-change") {
      this.renderConfirmStateChangeScreen(cols, rows);
    } else if (this.state.screen === "confirm-cancel-create") {
      this.renderConfirmCancelCreateScreen(cols, rows);
    } else if (this.state.screen === "confirm-cancel-edit") {
      this.renderConfirmCancelEditScreen(cols, rows);
    } else if (this.state.screen === "animating-close") {
      this.renderAnimationScreen(cols, rows, GRAVESTONE_FRAMES);
    } else if (this.state.screen === "animating-reopen") {
      this.renderAnimationScreen(cols, rows, ZOMBIE_FRAMES);
    } else if (this.state.screen === "set-assignees") {
      this.renderSetAssigneesScreen(cols, rows);
    } else if (this.state.screen === "labels-list") {
      this.renderLabelsList(cols, rows);
    } else if (
      this.state.screen === "create-label" ||
      this.state.screen === "edit-label"
    ) {
      this.renderLabelForm(cols, rows);
    } else if (this.state.screen === "help") {
      this.renderHelpScreen(cols, rows);
    }
  }

  private renderAnimationScreen(
    cols: number,
    rows: number,
    frames: string[][],
  ) {
    const frame = frames[Math.min(this.animationFrame, frames.length - 1)];
    const paddingRows = Math.max(0, Math.floor((rows - frame.length) / 2));

    for (let i = 0; i < paddingRows; i++) console.log(" ".repeat(cols));

    for (const line of frame) {
      const plainLen = stripAnsi(line).length;
      const padLeft = Math.max(0, Math.floor((cols - plainLen) / 2));
      console.log(" ".repeat(padLeft) + line);
    }

    const remainingRows = Math.max(0, rows - paddingRows - frame.length - 1);
    for (let i = 0; i < remainingRows; i++) console.log(" ".repeat(cols));
  }

  /**
   * Draw Setup Form
   */
  private renderSetupScreen(cols: number, rows: number) {
    const form = this.state.setupForm;
    const width = Math.min(68, cols - 4);
    const border = "│";

    const lines: string[] = [];
    lines.push(chalk.bold.hex("#4A90E2")("┌" + "─".repeat(width - 2) + "┐"));

    const title = "FORGEJO & GITEA TUI ISSUE EXPLORER";
    const titlePadding = " ".repeat(
      Math.max(0, Math.floor((width - 2 - title.length) / 2)),
    );
    const titleLine =
      border +
      titlePadding +
      chalk.bold.white(title) +
      " ".repeat(width - 2 - titlePadding.length - title.length) +
      border;
    lines.push(titleLine);
    lines.push(chalk.bold.hex("#4A90E2")("├" + "─".repeat(width - 2) + "┤"));

    // Instructions
    lines.push(border + " ".repeat(width - 2) + border);
    const desc =
      "Please connect to a Forgejo/Gitea server to explore repository issues.";
    lines.push(
      border + " " + chalk.gray(desc.padEnd(width - 4)) + " " + border,
    );
    lines.push(border + " ".repeat(width - 2) + border);

    // Form inputs
    const renderField = (
      label: string,
      value: string,
      active: boolean,
      secret: boolean = false,
    ) => {
      const fieldWidth = width - 8;
      const displayVal = secret ? "*".repeat(value.length) : value;
      const valStrLength = displayVal.length + (active ? 1 : 0);
      const paddingInsideBracket = Math.max(0, fieldWidth - 19 - valStrLength);

      let coloredValStr = displayVal;
      if (active) {
        coloredValStr =
          chalk.bold.cyan(displayVal) +
          chalk.inverse(" ") +
          " ".repeat(paddingInsideBracket);
      } else {
        coloredValStr =
          chalk.white(displayVal) + " ".repeat(paddingInsideBracket);
      }

      const plainContent =
        label.padEnd(16) +
        ": [ " +
        displayVal +
        (active ? " " : "") +
        " ".repeat(paddingInsideBracket) +
        " ]";
      const coloredContent =
        (active
          ? chalk.bold.white(label.padEnd(16) + ": [ ")
          : chalk.gray(label.padEnd(16) + ": [ ")) +
        coloredValStr +
        (active ? chalk.bold.white(" ]") : chalk.gray(" ]"));

      const activeMarker = active ? chalk.cyan("▶ ") : "  ";
      const remainingPadding = Math.max(0, width - 6 - plainContent.length);

      return (
        border +
        " " +
        activeMarker +
        coloredContent +
        " ".repeat(remainingPadding) +
        " " +
        border
      );
    };

    const renderCheckbox = (
      label: string,
      checked: boolean,
      active: boolean,
    ) => {
      const activeMarker = active ? chalk.cyan("▶ ") : "  ";
      const box = checked ? "[X]" : "[ ]";
      const plainContent = label.padEnd(16) + ": " + box;
      const coloredContent = active
        ? chalk.bold.white(label.padEnd(16) + ": ") + chalk.bold.cyan(box)
        : chalk.gray(label.padEnd(16) + ": ") + chalk.gray(box);

      const remainingPadding = Math.max(0, width - 6 - plainContent.length);
      return (
        border +
        " " +
        activeMarker +
        coloredContent +
        " ".repeat(remainingPadding) +
        " " +
        border
      );
    };

    lines.push(renderField("Gitea URL", form.url, form.activeField === "url"));
    lines.push(border + " ".repeat(width - 2) + border);
    lines.push(
      renderField("User ID", form.userid, form.activeField === "userid"),
    );
    lines.push(
      border +
        "   " +
        chalk
          .gray("Forgejo/Gitea username (e.g. gitea_admin)")
          .padEnd(width - 5) +
        border,
    );
    lines.push(border + " ".repeat(width - 2) + border);
    lines.push(
      renderField(
        "Access Token",
        form.token,
        form.activeField === "token",
        true,
      ),
    );
    lines.push(
      border +
        "   " +
        chalk.gray("Optional. Required for private repos.").padEnd(width - 5) +
        border,
    );
    lines.push(border + " ".repeat(width - 2) + border);
    lines.push(
      renderCheckbox(
        "Save to config",
        form.saveConfig,
        form.activeField === "saveConfig",
      ),
    );
    lines.push(
      border +
        "   " +
        chalk
          .gray("Saves settings to ~/.config/fjtui/fjtui.json")
          .padEnd(width - 5) +
        border,
    );
    lines.push(border + " ".repeat(width - 2) + border);

    // Error message
    if (this.state.error) {
      lines.push(chalk.bold.red("├" + "─".repeat(width - 2) + "┤"));
      const errorWrapped = wordWrap(this.state.error, width - 4);
      for (const errLine of errorWrapped) {
        lines.push(
          border +
            " " +
            chalk.bold.red(errLine.padEnd(width - 4)) +
            " " +
            border,
        );
      }
    }

    lines.push(chalk.bold.hex("#4A90E2")("└" + "─".repeat(width - 2) + "┘"));

    // Loading / Footer indicator
    const spinner = this.state.loading
      ? chalk.cyan(SPINNER_FRAMES[spinnerIndex])
      : " ";
    const prompt = this.state.loading
      ? " Connecting to instance..."
      : " [Tab/Arrows] Navigate  [Space/Enter] Toggle Checkbox  [Enter] Connect  [Esc] Quit";

    // Draw centered on terminal
    const vertPadding = Math.max(0, Math.floor((rows - lines.length - 2) / 2));
    process.stdout.write("\n".repeat(vertPadding));
    for (const line of lines) {
      console.log(
        " ".repeat(Math.max(0, Math.floor((cols - width) / 2))) + line,
      );
    }

    const footerText =
      " ".repeat(Math.max(0, Math.floor((cols - width) / 2))) +
      spinner +
      chalk.gray(prompt);
    console.log("\n" + footerText);

    // Cursor trick: if typing, place cursor at appropriate spot
    if (!this.state.loading) {
      // Find current active field offset row
      let activeRowOffset = vertPadding + 6; // URL row
      if (form.activeField === "userid") activeRowOffset = vertPadding + 8;
      if (form.activeField === "token") activeRowOffset = vertPadding + 11;
      if (form.activeField === "saveConfig") activeRowOffset = vertPadding + 14;

      let cursorCol = Math.max(0, Math.floor((cols - width) / 2));
      if (form.activeField === "saveConfig") {
        cursorCol += 24; // positions cursor inside the checkbox brackets [ ]
      } else {
        const activeValue =
          form.activeField === "token"
            ? "*".repeat(form.token.length)
            : form[form.activeField];
        cursorCol += 25 + activeValue.length;
      }

      process.stdout.write(
        `\x1B[${activeRowOffset + 1};${cursorCol}H\x1B[?25h`,
      ); // Show cursor
    }
  }

  /**
   * Draw Issues List
   */
  private renderListScreen(cols: number, rows: number) {
    // Header Bar
    const spinnerStr = this.state.loading
      ? chalk.bold.cyan(SPINNER_FRAMES[spinnerIndex]) + " "
      : "";
    const instanceName = normalizeUrl(this.state.config.url).replace(
      /^https?:\/\//,
      "",
    );
    const rightHeader = "";
    const rightLen = 0;

    // We want the total line length to fit exactly within 'cols'
    const maxLeftWidth = cols - 1;

    // Spinner plain length is 2 if loading, 0 otherwise
    const spinnerPlainLen = this.state.loading ? 2 : 0;
    const titlePlain = "Forgejo Issue Explorer";
    const titleColor = chalk.bold.hex("#4A90E2")(titlePlain);

    const instanceColor = ` ─ ${chalk.bold.white(instanceName)}`;
    const instancePlain = ` ─ ${instanceName}`;

    let statsColor = "";
    let statsPlain = "";
    let shortStatsColor = "";
    let shortStatsPlain = "";

    if (this.state.totalIssuesCount > 0) {
      const totalPages = Math.ceil(
        this.state.totalIssuesCount / this.state.issuesPerPage,
      );
      statsColor = ` ─ Page ${chalk.bold.white(this.state.currentPage)} of ${chalk.bold.white(totalPages)} (${chalk.yellow(this.state.totalIssuesCount)} matching)`;
      statsPlain = ` ─ Page ${this.state.currentPage} of ${totalPages} (${this.state.totalIssuesCount} matching)`;

      shortStatsColor = ` ─ P. ${chalk.bold.white(this.state.currentPage)}/${chalk.bold.white(totalPages)} (${chalk.yellow(this.state.totalIssuesCount)})`;
      shortStatsPlain = ` ─ P. ${this.state.currentPage}/${totalPages} (${this.state.totalIssuesCount})`;
    } else if (!this.state.loading) {
      statsColor = " ─ (0 issues found)";
      statsPlain = " ─ (0 issues found)";

      shortStatsColor = " ─ (0)";
      shortStatsPlain = " ─ (0)";
    }

    let leftHeader = "";

    // Attempt 1: Full header: spinner + Title + instance + stats
    if (
      1 +
        spinnerPlainLen +
        titlePlain.length +
        instancePlain.length +
        statsPlain.length <=
      maxLeftWidth
    ) {
      leftHeader = ` ${spinnerStr}${titleColor}${instanceColor}${statsColor}`;
    }
    // Attempt 2: Drop instance, keep full stats
    else if (
      1 + spinnerPlainLen + titlePlain.length + statsPlain.length <=
      maxLeftWidth
    ) {
      leftHeader = ` ${spinnerStr}${titleColor}${statsColor}`;
    }
    // Attempt 3: Drop instance, use short stats
    else if (
      1 + spinnerPlainLen + titlePlain.length + shortStatsPlain.length <=
      maxLeftWidth
    ) {
      leftHeader = ` ${spinnerStr}${titleColor}${shortStatsColor}`;
    }
    // Attempt 4: Drop stats, keep title + shortened instance if it fits
    else if (
      1 + spinnerPlainLen + titlePlain.length + instancePlain.length <=
      maxLeftWidth
    ) {
      leftHeader = ` ${spinnerStr}${titleColor}${instanceColor}`;
    }
    // Attempt 5: Just Title
    else {
      leftHeader = ` ${spinnerStr}${titleColor}`;
    }

    const leftLen = stripAnsi(leftHeader).length;
    let spacesCount = cols - leftLen - rightLen;
    if (spacesCount < 1) spacesCount = 1;

    console.log(leftHeader + " ".repeat(spacesCount - 1) + rightHeader);
    console.log(chalk.bold.hex("#4A90E2")("┌" + "─".repeat(cols - 2) + "┐"));

    // Column widths
    const idWidth = 6;
    const typeWidth = 5;
    const stateWidth = 7;
    const authorWidth = 14;
    const assigneesWidth = 14;
    const labelsWidth = 16;
    const createdWidth = 12;
    const commentsWidth = 6;
    const timeWidth = 7;
    // Title takes all remaining space. There are 10 columns + 11 borders + 10 spaces = 21 extra chars
    const titleWidth = Math.max(
      10,
      cols -
        idWidth -
        typeWidth -
        stateWidth -
        authorWidth -
        assigneesWidth -
        labelsWidth -
        createdWidth -
        commentsWidth -
        timeWidth -
        21,
    );

    // Render Table Header
    const padHeader = (title: string, w: number) =>
      chalk.bold.white(title.padEnd(w));
    const borderCh = chalk.bold.hex("#4A90E2")("│");

    console.log(
      borderCh +
        " " +
        padHeader("ID", idWidth) +
        borderCh +
        " " +
        padHeader("Type", typeWidth) +
        borderCh +
        " " +
        padHeader("State", stateWidth) +
        borderCh +
        " " +
        padHeader("Title", titleWidth) +
        borderCh +
        " " +
        padHeader("Author", authorWidth) +
        borderCh +
        " " +
        padHeader("Assignees", assigneesWidth) +
        borderCh +
        " " +
        padHeader("Labels", labelsWidth) +
        borderCh +
        " " +
        padHeader("Created", createdWidth) +
        borderCh +
        " " +
        padHeader("Coms", commentsWidth) +
        borderCh +
        " " +
        padHeader("Time", timeWidth) +
        borderCh,
    );
    console.log(chalk.bold.hex("#4A90E2")("├" + "─".repeat(cols - 2) + "┤"));

    // Table Content Height available (rows - 10 ensures total printed lines is rows - 2, preventing terminal scrolling)
    const tableHeight = rows - 10;

    if (this.state.issues.length === 0) {
      const msg = this.state.loading
        ? "Fetching issues from server..."
        : this.state.error
          ? `Error: ${this.state.error}`
          : "No issues found.";
      const paddingRows = Math.floor((tableHeight - 1) / 2);
      for (let i = 0; i < paddingRows; i++)
        console.log(borderCh + " ".repeat(cols - 2) + borderCh);

      const contentLine = (
        " ".repeat(Math.max(0, Math.floor((cols - 2 - msg.length) / 2))) + msg
      ).padEnd(cols - 2);
      console.log(
        borderCh +
          (this.state.error
            ? chalk.bold.red(contentLine)
            : chalk.gray(contentLine)) +
          borderCh,
      );

      for (let i = 0; i < tableHeight - paddingRows - 1; i++)
        console.log(borderCh + " ".repeat(cols - 2) + borderCh);
    } else {
      // Loop through issues on current page
      for (let i = 0; i < tableHeight; i++) {
        if (i < this.state.issues.length) {
          const issue = this.state.issues[i];
          const isSelected = i === this.state.selectedIssueIndex;

          const idStr = `#${issue.number}`.padEnd(idWidth);
          const typeStr = (issue.pull_request ? "PR" : "Issue").padEnd(
            typeWidth,
          );

          let stateStr = issue.state.toUpperCase().padEnd(stateWidth);
          if (issue.state === "open") {
            stateStr = issue.pull_request
              ? chalk.bold.magenta(stateStr)
              : chalk.bold.green(stateStr);
          } else {
            stateStr = chalk.bold.red(stateStr);
          }

          const titleStr = truncate(issue.title, titleWidth).padEnd(titleWidth);
          const authorStr = truncate(issue.user.login, authorWidth).padEnd(
            authorWidth,
          );
          const assigneesNames = (issue.assignees || [])
            .map((u) => u.login)
            .join(",");
          const assigneesStr = truncate(assigneesNames, assigneesWidth).padEnd(
            assigneesWidth,
          );
          let plainLen = 0;
          let issueLabelsStr = "";
          for (let idx = 0; idx < issue.labels.length; idx++) {
            const l = issue.labels[idx];
            let name = l.name;
            if (name.length + 2 > labelsWidth) {
              name = name.substring(0, labelsWidth - 3) + "…";
            }
            const lText = ` ${name} `;
            if (plainLen + lText.length > labelsWidth) break;
            issueLabelsStr += chalk.bgHex("#" + l.color).black(lText);
            plainLen += lText.length;
            if (idx < issue.labels.length - 1 && plainLen + 1 <= labelsWidth) {
              issueLabelsStr += " ";
              plainLen += 1;
            } else if (idx < issue.labels.length - 1) {
              break;
            }
          }
          issueLabelsStr += " ".repeat(Math.max(0, labelsWidth - plainLen));
          const createdStr = formatDate(issue.created_at)
            .substring(0, 10)
            .padEnd(createdWidth);
          const commentsStr = String(issue.comments).padEnd(commentsWidth);
          const timeStr = formatTime(issue.total_tracked_time).padEnd(
            timeWidth,
          );

          let rowText =
            " " +
            idStr +
            borderCh +
            " " +
            typeStr +
            borderCh +
            " " +
            stateStr +
            borderCh +
            " " +
            (issue.pull_request ? chalk.magenta(titleStr) : titleStr) +
            borderCh +
            " " +
            authorStr +
            borderCh +
            " " +
            assigneesStr +
            borderCh +
            " " +
            issueLabelsStr +
            borderCh +
            " " +
            createdStr +
            borderCh +
            " " +
            commentsStr +
            borderCh +
            " " +
            timeStr +
            borderCh;

          if (isSelected) {
            if (this.state.focusedPane === "settings") {
              rowText = chalk.bgHex("#1C2F4D").white(rowText);
            } else {
              rowText = chalk.bgHex("#2E4E7E").white.bold(rowText);
            }
          }

          console.log(borderCh + rowText);
        } else {
          // Fill empty space
          console.log(borderCh + " ".repeat(cols - 2) + borderCh);
        }
      }
    }

    console.log(chalk.bold.hex("#4A90E2")("├" + "─".repeat(cols - 2) + "┤"));

    // Render Filters line
    const isSettings = this.state.focusedPane === "settings";
    const selIdx = this.state.selectedSettingIndex ?? 0;

    const buildSegment = (
      idx: number,
      label: string,
      val: string,
      formattedVal: string,
    ) => {
      const text = ` ${label}: ${val} `;
      if (isSettings && selIdx === idx) {
        return chalk.bgHex("#2E4E7E").white.bold(text);
      }
      return chalk.gray(` ${label}: `) + formattedVal;
    };

    const searchPlain = this.activeSearchInput
      ? this.searchInputBuffer
      : this.state.searchQuery || "none";
    const searchLabel = this.activeSearchInput
      ? chalk.inverse(this.searchInputBuffer + " ")
      : this.state.searchQuery
        ? chalk.yellow(`"${this.state.searchQuery}"`)
        : chalk.gray("none");

    const statePlain = this.state.stateFilter.toUpperCase();
    const stateLabel = chalk.bold(statePlain);

    const typePlain = this.state.typeFilter.toUpperCase();
    const typeLabel = chalk.bold(typePlain);

    const sortPlain = `${this.state.sortField} (${this.state.sortOrder.toUpperCase()})`;
    const sortLabel = chalk.bold(sortPlain);

    const seg0 = buildSegment(0, "Search", searchPlain, searchLabel);
    const seg1 = buildSegment(1, "State", statePlain, stateLabel);
    const seg2 = buildSegment(2, "Type", typePlain, typeLabel);
    const seg3 = buildSegment(3, "Sort", sortPlain, sortLabel);

    let refreshStr = "Off";
    if (this.state.autoRefreshInterval) {
      if (this.state.autoRefreshInterval >= 60) {
        refreshStr = `${this.state.autoRefreshInterval / 60}m`;
      } else {
        refreshStr = `${this.state.autoRefreshInterval}s`;
      }
    }
    const seg4 = buildSegment(4, "Refresh", refreshStr, chalk.bold(refreshStr));

    const separator = chalk.bold.hex("#4A90E2")(" ─ ");
    const filtersText = ` ${seg0}${separator}${seg1}${separator}${seg2}${separator}${seg3}${separator}${seg4}`;

    const filtersPlainLen = stripAnsi(filtersText).length;
    const padding = Math.max(0, cols - 2 - filtersPlainLen);
    console.log(borderCh + filtersText + " ".repeat(padding) + borderCh);
    console.log(chalk.bold.hex("#4A90E2")("└" + "─".repeat(cols - 2) + "┘"));

    // Keyboard controls help line
    let fullHelpLine =
      " [?] Help  [↑/↓] Navigate  [Enter] View  [C] Create  [/] Search  [S] Sort  [F] State  [T] Type  [L] Labels  [N/P] Page  [R] Reload  [O] Settings  [Esc] Quit";
    if (isSettings) {
      fullHelpLine =
        " [?] Help  [Tab] Back to List  [←/→] Select Setting  [Enter] Select/Toggle  [C] Create  [R] Reload  [Esc] Quit";
    }
    const repoStr = chalk.bold.cyan(
      ` repo: ${this.state.config.owner}/${this.state.config.repo} `,
    );
    const repoLen = stripAnsi(repoStr).length;

    // We want total length to be cols - 1 to prevent any wrapping
    const maxHelpLen = cols - repoLen - 1;
    let helpLinePlain = fullHelpLine;
    if (helpLinePlain.length > maxHelpLen) {
      helpLinePlain = helpLinePlain.substring(0, maxHelpLen - 3) + "...";
    }

    const spaces = cols - helpLinePlain.length - repoLen - 1;
    process.stdout.write(
      chalk.gray(helpLinePlain) + " ".repeat(Math.max(0, spaces)) + repoStr,
    );

    // If search active, position terminal cursor in search box
    if (this.activeSearchInput) {
      const searchCursorCol = 11 + this.searchInputBuffer.length;
      process.stdout.write(`\x1B[${rows - 1};${searchCursorCol}H\x1B[?25h`); // Show cursor
    }
  }

  /**
   * Draw Issue Detail scrollable view
   */
  private renderDetailsScreen(cols: number, rows: number) {
    const issue = this.state.selectedIssue;
    if (!issue) return;

    // Header info line
    const isPR = !!issue.pull_request;
    const typeTag = isPR
      ? chalk.bold.magenta("[PR] ")
      : chalk.bold.green("[Issue] ");
    const rightHeader = `repo: ${chalk.bold.cyan(`${this.state.config.owner}/${this.state.config.repo}`)} `;
    const rightLen = stripAnsi(rightHeader).length;

    const maxLeftWidth = cols - rightLen - 2;
    const prefix = ` ${typeTag}#${issue.number} ─ `;
    const prefixLen = stripAnsi(prefix).length;
    const titleWidth = Math.max(10, maxLeftWidth - prefixLen);

    const leftHeader =
      prefix + chalk.bold.white(truncate(issue.title, titleWidth));
    const leftLen = stripAnsi(leftHeader).length;

    let spacesCount = cols - leftLen - rightLen;
    if (spacesCount < 1) spacesCount = 1;

    console.log(leftHeader + " ".repeat(spacesCount) + rightHeader);
    console.log(chalk.bold.hex("#4A90E2")("┌" + "─".repeat(cols - 2) + "┐"));

    // Metadata lines
    const borderCh = chalk.bold.hex("#4A90E2")("│");

    let stateLabel = issue.state.toUpperCase();
    if (issue.state === "open") {
      stateLabel = isPR
        ? chalk.bold.magenta(stateLabel)
        : chalk.bold.green(stateLabel);
    } else {
      stateLabel = chalk.bold.red(stateLabel);
    }

    const labels = issue.labels
      .map((l) => chalk.bgHex("#" + l.color).black(` ${l.name} `))
      .join(" ");
    const assigneesStr = (issue.assignees || []).map((u) => u.login).join(", ");
    const assigneesDisp = assigneesStr
      ? chalk.magenta(assigneesStr)
      : chalk.gray("none");
    const timeStr = formatTime(issue.total_tracked_time);

    const metaLine = ` State: ${stateLabel}   Author: ${chalk.cyan(issue.user.login)}   Assignees: ${assigneesDisp}   Created: ${formatDate(issue.created_at)}   Updated: ${formatDate(issue.updated_at)}   Time: ${chalk.yellow(timeStr)}`;
    const metaPlainLen = stripAnsi(metaLine).length;
    const padding = Math.max(0, cols - 2 - metaPlainLen);
    console.log(borderCh + metaLine + " ".repeat(padding) + borderCh);

    if (labels) {
      const labelsLine = ` Labels: ${labels}`;
      const labelsPlainLen = stripAnsi(labelsLine).length;
      const labelsPadding = Math.max(0, cols - 2 - labelsPlainLen);
      console.log(borderCh + labelsLine + " ".repeat(labelsPadding) + borderCh);
    }
    console.log(chalk.bold.hex("#4A90E2")("├" + "─".repeat(cols - 2) + "┤"));

    // Gather and format all detail text (Body + Comments)
    const contentLines: string[] = [];

    // 1. Render Body
    contentLines.push(chalk.bold.yellow("--- DESCRIPTION ---"));
    if (issue.body.trim()) {
      const wrappedBody = wordWrap(issue.body, cols - 6);
      contentLines.push(...wrappedBody);
    } else {
      contentLines.push(chalk.italic.gray("No description provided."));
    }
    contentLines.push("");

    // 2. Render Comments Section
    contentLines.push(
      chalk.bold.yellow(`--- COMMENTS (${issue.comments}) ---`),
    );

    if (this.state.commentsLoading) {
      contentLines.push(chalk.cyan(" Loading comments..."));
    } else if (this.state.selectedIssueComments.length === 0) {
      contentLines.push(chalk.italic.gray(" No comments."));
    } else {
      for (const comment of this.state.selectedIssueComments) {
        contentLines.push(
          chalk.bold.cyan(`▶ ${comment.user.login}`) +
            chalk.gray(` at ${formatDate(comment.created_at)}`),
        );
        const wrappedComment = wordWrap(comment.body, cols - 8);
        for (const cLine of wrappedComment) {
          contentLines.push("  " + cLine);
        }
        contentLines.push(""); // blank line between comments
      }
    }

    // Paginate/Scroll calculations
    const metaHeight = labels ? 3 : 2; // Meta 1, optionally Meta 2 (Labels), and Separator
    const displayHeight = rows - 7 - metaHeight; // Header: 1, Borders: 3, Meta, Settings: 1, Help: 1, and -1
    const maxScroll = Math.max(0, contentLines.length - displayHeight);

    // Bounds check scroll offset
    if (this.state.detailScrollOffset > maxScroll) {
      this.state.detailScrollOffset = maxScroll;
    }

    // Print visible window of content
    for (let r = 0; r < displayHeight; r++) {
      const lineIndex = r + this.state.detailScrollOffset;
      if (lineIndex < contentLines.length) {
        const line = contentLines[lineIndex];
        const linePlainLen = stripAnsi(line).length;
        const padding = Math.max(0, cols - 4 - linePlainLen);
        console.log(
          borderCh + " " + line + " ".repeat(padding) + " " + borderCh,
        );
      } else {
        console.log(borderCh + " ".repeat(cols - 2) + borderCh);
      }
    }

    console.log(chalk.bold.hex("#4A90E2")("├" + "─".repeat(cols - 2) + "┤"));

    const isSettings = this.state.focusedPane === "settings";
    let refreshStr = "Off";
    if (this.state.autoRefreshInterval) {
      if (this.state.autoRefreshInterval >= 60) {
        refreshStr = `${this.state.autoRefreshInterval / 60}m`;
      } else {
        refreshStr = `${this.state.autoRefreshInterval}s`;
      }
    }
    const text = ` Auto-Refresh: ${refreshStr} `;
    const coloredText = isSettings
      ? chalk.bgHex("#2E4E7E").white.bold(text)
      : chalk.gray(` Auto-Refresh: `) + chalk.bold(refreshStr);
    const paddingLength = Math.max(0, cols - 2 - stripAnsi(text).length - 1);
    console.log(
      borderCh + " " + coloredText + " ".repeat(paddingLength) + borderCh,
    );

    console.log(chalk.bold.hex("#4A90E2")("└" + "─".repeat(cols - 2) + "┘"));

    // Footer Scroll percentage
    let scrollHelp = " Scroll: [↑/↓] / [PgUp/PgDn]";
    if (maxScroll > 0) {
      const pct = Math.round((this.state.detailScrollOffset / maxScroll) * 100);
      scrollHelp += chalk.yellow(` (${pct}%)`);
    }

    const actionKey = issue.state === "open" ? "Close" : "Reopen";
    let helpLine = chalk.gray(
      ` [?] Help  [Esc/Backspace] Back to List  [C] Add Comment  [A] Assign  [E] Edit  [T] Add Time  [X] ${actionKey}  [R] Reload  [Tab] Menu ${scrollHelp}`,
    );
    if (isSettings) {
      helpLine = chalk.gray(
        ` [?] Help  [Tab] Back to Details  [Enter] Toggle Auto-Refresh  [Esc] Quit menu`,
      );
    }
    process.stdout.write(helpLine);
  }

  /**
   * Draw Repository Picker Screen
   */
  private renderRepoPickerScreen(cols: number, rows: number) {
    const title = "SELECT REPOSITORY";
    const subtitle = `Connected to ${normalizeUrl(this.state.setupForm.url).replace(/^https?:\/\//, "")} as ${this.state.setupForm.userid}`;

    console.log(
      ` ${chalk.bold.hex("#4A90E2")(title)} ─ ${chalk.gray(subtitle)}`,
    );
    console.log(chalk.bold.hex("#4A90E2")("┌" + "─".repeat(cols - 2) + "┐"));

    const borderCh = chalk.bold.hex("#4A90E2")("│");

    // Filter repositories based on query
    const filteredRepos = this.state.repos.filter(
      (r) =>
        r.full_name
          .toLowerCase()
          .includes(this.state.repoSearchQuery.toLowerCase()) ||
        (r.description &&
          r.description
            .toLowerCase()
            .includes(this.state.repoSearchQuery.toLowerCase())),
    );

    const listHeight = rows - 7; // Header, borders, search, footer

    // Scroll window calculation
    let startIndex = 0;
    if (this.state.selectedRepoIndex >= listHeight) {
      startIndex = this.state.selectedRepoIndex - listHeight + 1;
    }

    if (filteredRepos.length === 0) {
      const msg = this.state.repoSearchQuery
        ? "No repositories match your filter."
        : "No repositories found.";
      const paddingRows = Math.floor((listHeight - 1) / 2);
      for (let i = 0; i < paddingRows; i++)
        console.log(borderCh + " ".repeat(cols - 2) + borderCh);
      console.log(
        borderCh +
          (
            " ".repeat(Math.max(0, Math.floor((cols - 2 - msg.length) / 2))) +
            chalk.gray(msg)
          ).padEnd(cols - 2) +
          borderCh,
      );
      for (let i = 0; i < listHeight - paddingRows - 1; i++)
        console.log(borderCh + " ".repeat(cols - 2) + borderCh);
    } else {
      for (let i = 0; i < listHeight; i++) {
        const repoIdx = i + startIndex;
        if (repoIdx < filteredRepos.length) {
          const repo = filteredRepos[repoIdx];
          const isSelected = repoIdx === this.state.selectedRepoIndex;

          const typeStr = repo.private
            ? chalk.bold.yellow("[Private]")
            : chalk.bold.green("[Public] ");
          const nameStr = chalk.bold(repo.full_name);
          const descStr = repo.description
            ? chalk.gray(
                ` ─ ${truncate(repo.description, cols - repo.full_name.length - 20)}`,
              )
            : "";

          let lineContent = `  ${typeStr} ${nameStr}${descStr}`;

          // Pad the line content properly to match terminal width
          const visibleLen = stripAnsi(lineContent).length;
          const padding = " ".repeat(Math.max(0, cols - 4 - visibleLen));
          lineContent = lineContent + padding;

          if (isSelected) {
            lineContent = chalk.bgHex("#2E4E7E").white.bold(lineContent);
          }

          console.log(borderCh + " " + lineContent + " " + borderCh);
        } else {
          console.log(borderCh + " ".repeat(cols - 2) + borderCh);
        }
      }
    }

    console.log(chalk.bold.hex("#4A90E2")("├" + "─".repeat(cols - 2) + "┤"));

    // Filter status line
    let filterLabel = this.state.repoSearchQuery
      ? chalk.yellow(`"${this.state.repoSearchQuery}"`)
      : chalk.gray("none");
    if (this.state.repoPickerActiveSearch) {
      filterLabel = chalk.inverse(this.state.repoSearchQuery + " ");
    }
    const filterText = ` Filter: ${filterLabel}`;
    console.log(borderCh + filterText.padEnd(cols - 2) + borderCh);
    console.log(chalk.bold.hex("#4A90E2")("└" + "─".repeat(cols - 2) + "┘"));

    const helpLine = chalk.gray(
      " [↑/↓] Navigate  [Enter] Select  [/] Filter  [Esc] Back to Setup",
    );
    process.stdout.write(helpLine);

    if (this.state.repoPickerActiveSearch) {
      const searchCursorCol = 10 + this.state.repoSearchQuery.length;
      process.stdout.write(`\x1B[${rows - 1};${searchCursorCol}H\x1B[?25h`); // Show cursor
    }
  }

  /**
   * Draw Create Issue Screen
   */
  private renderCreateIssueScreen(cols: number, rows: number) {
    const borderCh = chalk.bold.hex("#4A90E2")("│");

    // Header
    const title = " Create New Issue ";
    const leftLen = stripAnsi(title).length;
    let leftHeader = chalk.bold.hex("#4A90E2")(title);

    console.log(leftHeader + " ".repeat(Math.max(1, cols - leftLen - 1)));
    console.log(chalk.bold.hex("#4A90E2")("┌" + "─".repeat(cols - 2) + "┐"));

    if (this.state.error) {
      console.log(
        borderCh +
          chalk.red(` Error: ${this.state.error}`).padEnd(cols - 2) +
          borderCh,
      );
      console.log(chalk.bold.hex("#4A90E2")("├" + "─".repeat(cols - 2) + "┤"));
    }

    const form = this.state.createIssueForm;

    // Title Field
    let titleLabel = " Title: ";
    let titleVisible = form.title;
    let titleContent = "";

    if (form.activeField === "title") {
      titleLabel = chalk.yellow(" Title: ");
      const c = Math.min(form.cursor || 0, form.title.length);

      let startIdx = 0;
      if (c > cols - 13) {
        startIdx = c - (cols - 13) + 1;
      }

      const visTitle = form.title.substring(startIdx);
      const visCursor = c - startIdx;

      const visBefore = visTitle.substring(0, visCursor);
      const visChar = visCursor < visTitle.length ? visTitle[visCursor] : " ";
      const visAfter = visTitle
        .substring(visCursor + 1)
        .padEnd(Math.max(0, cols - 13 - visBefore.length - 1), " ")
        .substring(0, Math.max(0, cols - 13 - visBefore.length - 1));

      titleContent = visBefore + chalk.inverse(visChar) + visAfter;
    } else {
      titleVisible =
        titleVisible.length > cols - 13
          ? titleVisible.substring(titleVisible.length - (cols - 13))
          : titleVisible;
      titleContent = titleVisible.padEnd(cols - 12);
    }

    console.log(borderCh + titleLabel + titleContent + borderCh);
    console.log(chalk.bold.hex("#4A90E2")("├" + "─".repeat(cols - 2) + "┤"));

    // Body Field
    let bodyLabel = chalk.bold(" Body (markdown supported): ");
    if (form.activeField === "body") {
      bodyLabel = chalk.yellow.bold(" Body (markdown supported): ");
    }
    console.log(
      borderCh +
        bodyLabel +
        " ".repeat(cols - stripAnsi(bodyLabel).length - 2) +
        borderCh,
    );
    console.log(chalk.bold.hex("#4A90E2")("├" + "─".repeat(cols - 2) + "┤"));

    // Body Content (multiline)
    const errorOffset = this.state.error ? 2 : 0;
    const bodyRows = rows - 10 - errorOffset; // available space for body

    const lines = form.body.split("\n");
    let cursorLine = 0;
    let cursorCol = 0;
    let remaining = Math.min(form.cursor || 0, form.body.length);

    for (let i = 0; i < lines.length; i++) {
      if (remaining <= lines[i].length) {
        cursorLine = i;
        cursorCol = remaining;
        break;
      }
      remaining -= lines[i].length + 1;
    }

    let startLine = Math.max(0, lines.length - bodyRows);
    if (form.activeField === "body") {
      if (cursorLine < startLine) {
        startLine = cursorLine;
      } else if (cursorLine >= startLine + bodyRows) {
        startLine = cursorLine - bodyRows + 1;
      }
    }

    for (let i = 0; i < bodyRows; i++) {
      const lineIdx = startLine + i;
      let lineContent = "";
      if (lineIdx < lines.length) {
        lineContent = lines[lineIdx];
      }

      if (form.activeField === "body" && lineIdx === cursorLine) {
        let startCol = 0;
        if (cursorCol > cols - 6) {
          startCol = cursorCol - (cols - 6) + 1;
        }

        const visLineStr = lineContent.substring(startCol);
        const visCursorCol = cursorCol - startCol;

        const before = visLineStr.substring(0, visCursorCol);
        const char =
          visCursorCol < visLineStr.length ? visLineStr[visCursorCol] : " ";
        const after = visLineStr.substring(visCursorCol + 1);

        let visLine = before + chalk.inverse(char) + after;
        const plainLen = stripAnsi(visLine).length;
        if (plainLen < cols - 4) {
          visLine += " ".repeat(cols - 4 - plainLen);
        }

        console.log(borderCh + " " + visLine + " " + borderCh);
      } else {
        let visLineStr = lineContent;
        if (visLineStr.length > cols - 5) {
          visLineStr = visLineStr.substring(visLineStr.length - (cols - 5));
        }
        visLineStr = visLineStr.padEnd(cols - 4);
        console.log(borderCh + " " + visLineStr + " " + borderCh);
      }
    }

    console.log(chalk.bold.hex("#4A90E2")("└" + "─".repeat(cols - 2) + "┘"));

    // Help line
    const helpLine = chalk.gray(
      " [Tab] Switch Fields  [Ctrl+S] Submit  [Esc] Cancel",
    );
    const repoStr = chalk.bold.cyan(
      ` repo: ${this.state.config.owner}/${this.state.config.repo} `,
    );
    const repoLen = stripAnsi(repoStr).length;

    const maxHelpLen = cols - repoLen - 1;
    let helpLinePlain = helpLine;
    if (stripAnsi(helpLinePlain).length > maxHelpLen) {
      helpLinePlain = chalk.gray(
        stripAnsi(helpLinePlain).substring(0, maxHelpLen - 3) + "...",
      );
    }

    const spaces = cols - stripAnsi(helpLinePlain).length - repoLen - 1;
    process.stdout.write(
      helpLinePlain + " ".repeat(Math.max(0, spaces)) + repoStr,
    );
  }

  /**
   * Handle Keypress for Create Issue Screen
   */
  private async handleCreateIssueKeypress(str: string, key: any) {
    if (key && key.name === "escape") {
      this.state.screen = "confirm-cancel-create";
      this.state.error = null;
      this.render();
      return;
    }

    if (key && key.ctrl && key.name === "s") {
      // Submit issue
      if (!this.state.createIssueForm.title.trim()) {
        this.state.error = "Title is required to create an issue.";
        this.render();
        return;
      }

      this.state.error = null;
      this.state.loading = true;
      this.render();
      try {
        await createIssue(
          this.state.config,
          this.state.createIssueForm.title,
          this.state.createIssueForm.body,
        );
        this.state.screen = "list";
        this.state.loading = false;
        // Refresh issues
        this.state.currentPage = 1;
        this.state.selectedIssueIndex = 0;
        this.loadIssues();
      } catch (err: any) {
        this.state.error = err.message;
        this.state.loading = false;
        this.render();
      }
      return;
    }

    if (key && key.name === "tab") {
      this.state.createIssueForm.activeField =
        this.state.createIssueForm.activeField === "title" ? "body" : "title";
      this.state.createIssueForm.cursor =
        this.state.createIssueForm[
          this.state.createIssueForm.activeField
        ].length;
      this.render();
      return;
    }

    // Text input handling
    const activeField = this.state.createIssueForm.activeField;
    let val = this.state.createIssueForm[activeField];
    let cursor = this.state.createIssueForm.cursor;
    if (cursor === undefined || cursor > val.length) cursor = val.length;

    if (key && key.name === "left") {
      this.state.createIssueForm.cursor = Math.max(0, cursor - 1);
      this.render();
      return;
    }

    if (key && key.name === "right") {
      this.state.createIssueForm.cursor = Math.min(val.length, cursor + 1);
      this.render();
      return;
    }

    if (
      key &&
      (key.name === "up" || key.name === "down") &&
      activeField === "body"
    ) {
      const lines = val.split("\n");
      let lineIdx = 0,
        col = 0,
        count = 0;
      for (let i = 0; i < lines.length; i++) {
        if (count + lines[i].length >= cursor) {
          lineIdx = i;
          col = cursor - count;
          break;
        }
        count += lines[i].length + 1;
      }

      if (key.name === "up" && lineIdx > 0) {
        const prevLine = lines[lineIdx - 1];
        const newCol = Math.min(col, prevLine.length);
        let newCursor = 0;
        for (let i = 0; i < lineIdx - 1; i++) newCursor += lines[i].length + 1;
        this.state.createIssueForm.cursor = newCursor + newCol;
        this.render();
      } else if (key.name === "down" && lineIdx < lines.length - 1) {
        const nextLine = lines[lineIdx + 1];
        const newCol = Math.min(col, nextLine.length);
        let newCursor = 0;
        for (let i = 0; i <= lineIdx; i++) newCursor += lines[i].length + 1;
        this.state.createIssueForm.cursor = newCursor + newCol;
        this.render();
      }
      return;
    }

    if (key && (key.name === "backspace" || key.name === "delete")) {
      if (key.name === "backspace" && cursor > 0) {
        this.state.createIssueForm[activeField] =
          val.slice(0, cursor - 1) + val.slice(cursor);
        this.state.createIssueForm.cursor = cursor - 1;
        this.render();
      } else if (key.name === "delete" && cursor < val.length) {
        this.state.createIssueForm[activeField] =
          val.slice(0, cursor) + val.slice(cursor + 1);
        this.render();
      }
      return;
    }

    if (key && key.name === "return") {
      if (activeField === "body") {
        this.state.createIssueForm.body =
          val.slice(0, cursor) + "\n" + val.slice(cursor);
        this.state.createIssueForm.cursor = cursor + 1;
        this.render();
      } else {
        this.state.createIssueForm.activeField = "body";
        this.state.createIssueForm.cursor =
          this.state.createIssueForm.body.length;
        this.render();
      }
      return;
    }

    if (str && str.length === 1 && !key.ctrl && !key.meta) {
      this.state.error = null;
      this.state.createIssueForm[activeField] =
        val.slice(0, cursor) + str + val.slice(cursor);
      this.state.createIssueForm.cursor = cursor + 1;
      this.render();
    }
  }

  private renderAddCommentScreen(cols: number, rows: number) {
    const borderCh = chalk.bold.hex("#4A90E2")("│");

    // Header
    const title = " Add Comment ";
    const leftLen = stripAnsi(title).length;
    let leftHeader = chalk.bold.hex("#4A90E2")(title);

    console.log(leftHeader + " ".repeat(Math.max(1, cols - leftLen - 1)));
    console.log(chalk.bold.hex("#4A90E2")("┌" + "─".repeat(cols - 2) + "┐"));

    if (this.state.error) {
      console.log(
        borderCh +
          chalk.red(` Error: ${this.state.error}`).padEnd(cols - 2) +
          borderCh,
      );
      console.log(chalk.bold.hex("#4A90E2")("├" + "─".repeat(cols - 2) + "┤"));
    }

    const form = this.state.addCommentForm;

    // Body Field
    const bodyLabel = chalk.yellow.bold(" Comment (markdown supported): ");
    console.log(
      borderCh +
        bodyLabel +
        " ".repeat(cols - stripAnsi(bodyLabel).length - 2) +
        borderCh,
    );
    console.log(chalk.bold.hex("#4A90E2")("├" + "─".repeat(cols - 2) + "┤"));

    // Body Content (multiline)
    const errorOffset = this.state.error ? 2 : 0;
    const bodyRows = rows - 8 - errorOffset; // available space for body
    const lines = form.body.split("\n");

    // Pagination for body if it gets too long
    const startLine = Math.max(0, lines.length - bodyRows);

    for (let i = 0; i < bodyRows; i++) {
      const lineIdx = startLine + i;
      let lineContent = "";
      if (lineIdx < lines.length) {
        lineContent = lines[lineIdx];
      }

      let visLine = lineContent;
      if (visLine.length > cols - 5) {
        visLine = visLine.substring(visLine.length - (cols - 5));
      }

      if (lineIdx === lines.length - 1) {
        visLine =
          visLine +
          chalk.inverse(" ") +
          " ".repeat(Math.max(0, cols - 5 - stripAnsi(visLine).length));
      } else {
        visLine = visLine.padEnd(cols - 4);
      }

      console.log(borderCh + " " + visLine + " " + borderCh);
    }

    console.log(chalk.bold.hex("#4A90E2")("└" + "─".repeat(cols - 2) + "┘"));

    // Help line
    const helpLine = chalk.gray(" [Ctrl+S] Submit  [Esc] Cancel");
    const issueStr = this.state.selectedIssue
      ? chalk.bold.cyan(` Issue #${this.state.selectedIssue.number} `)
      : "";
    const issueLen = stripAnsi(issueStr).length;

    const maxHelpLen = cols - issueLen - 1;
    let helpLinePlain = helpLine;
    if (stripAnsi(helpLinePlain).length > maxHelpLen) {
      helpLinePlain = chalk.gray(
        stripAnsi(helpLinePlain).substring(0, maxHelpLen - 3) + "...",
      );
    }

    const spaces = cols - stripAnsi(helpLinePlain).length - issueLen - 1;
    process.stdout.write(
      helpLinePlain + " ".repeat(Math.max(0, spaces)) + issueStr,
    );
  }

  private async handleAddCommentKeypress(str: string, key: any) {
    if (key && key.name === "escape") {
      this.state.screen = "details";
      this.state.error = null;
      this.render();
      return;
    }

    if (key && key.ctrl && key.name === "s") {
      // Submit comment
      if (!this.state.addCommentForm.body.trim()) {
        this.state.error = "Comment cannot be empty.";
        this.render();
        return;
      }

      if (!this.state.selectedIssue) {
        this.state.error = "No issue selected.";
        this.render();
        return;
      }

      this.state.error = null;
      this.state.loading = true;
      this.render();
      try {
        await createIssueComment(
          this.state.config,
          this.state.selectedIssue.number,
          this.state.addCommentForm.body,
        );
        this.state.screen = "details";
        this.state.loading = false;
        // Refresh comments
        this.loadComments(this.state.selectedIssue);
      } catch (err: any) {
        this.state.error = err.message;
        this.state.loading = false;
        this.render();
      }
      return;
    }

    let val = this.state.addCommentForm.body;

    if (key && key.name === "backspace") {
      if (val.length > 0) {
        this.state.addCommentForm.body = val.slice(0, -1);
        this.render();
      }
      return;
    }

    if (key && key.name === "return") {
      this.state.addCommentForm.body += "\n";
      this.render();
      return;
    }

    if (str && str.length === 1 && !key.ctrl && !key.meta) {
      this.state.error = null;
      this.state.addCommentForm.body += str;
      this.render();
    }
  }

  private renderEditIssueScreen(cols: number, rows: number) {
    const borderCh = chalk.bold.hex("#4A90E2")("│");

    // Header
    const title = " Edit Issue ";
    const leftLen = stripAnsi(title).length;
    let leftHeader = chalk.bold.hex("#4A90E2")(title);

    console.log(leftHeader + " ".repeat(Math.max(1, cols - leftLen - 1)));
    console.log(chalk.bold.hex("#4A90E2")("┌" + "─".repeat(cols - 2) + "┐"));

    if (this.state.error) {
      console.log(
        borderCh +
          chalk.red(` Error: ${this.state.error}`).padEnd(cols - 2) +
          borderCh,
      );
      console.log(chalk.bold.hex("#4A90E2")("├" + "─".repeat(cols - 2) + "┤"));
    }

    const form = this.state.editIssueForm;

    // Title Field
    let titleLabel = " Title: ";
    let titleVisible = form.title;
    let titleContent = "";

    if (form.activeField === "title") {
      titleLabel = chalk.yellow(" Title: ");
      const c = Math.min(form.cursor || 0, form.title.length);

      let startIdx = 0;
      if (c > cols - 13) {
        startIdx = c - (cols - 13) + 1;
      }

      const visTitle = form.title.substring(startIdx);
      const visCursor = c - startIdx;

      const visBefore = visTitle.substring(0, visCursor);
      const visChar = visCursor < visTitle.length ? visTitle[visCursor] : " ";
      const visAfter = visTitle
        .substring(visCursor + 1)
        .padEnd(Math.max(0, cols - 13 - visBefore.length - 1), " ")
        .substring(0, Math.max(0, cols - 13 - visBefore.length - 1));

      titleContent = visBefore + chalk.inverse(visChar) + visAfter;
    } else {
      titleVisible =
        titleVisible.length > cols - 13
          ? titleVisible.substring(titleVisible.length - (cols - 13))
          : titleVisible;
      titleContent = titleVisible.padEnd(cols - 12);
    }

    console.log(borderCh + titleLabel + titleContent + borderCh);
    console.log(chalk.bold.hex("#4A90E2")("├" + "─".repeat(cols - 2) + "┤"));

    // Body Field
    let bodyLabel = chalk.bold(" Body (markdown supported): ");
    if (form.activeField === "body") {
      bodyLabel = chalk.yellow.bold(" Body (markdown supported): ");
    }
    console.log(
      borderCh +
        bodyLabel +
        " ".repeat(cols - stripAnsi(bodyLabel).length - 2) +
        borderCh,
    );
    console.log(chalk.bold.hex("#4A90E2")("├" + "─".repeat(cols - 2) + "┤"));

    // Body Content (multiline)
    const errorOffset = this.state.error ? 2 : 0;
    const bodyRows = rows - 10 - errorOffset; // available space for body

    const lines = form.body.split("\n");
    let cursorLine = 0;
    let cursorCol = 0;
    let remaining = Math.min(form.cursor || 0, form.body.length);

    for (let i = 0; i < lines.length; i++) {
      if (remaining <= lines[i].length) {
        cursorLine = i;
        cursorCol = remaining;
        break;
      }
      remaining -= lines[i].length + 1;
    }

    let startLine = Math.max(0, lines.length - bodyRows);
    if (form.activeField === "body") {
      if (cursorLine < startLine) {
        startLine = cursorLine;
      } else if (cursorLine >= startLine + bodyRows) {
        startLine = cursorLine - bodyRows + 1;
      }
    }

    for (let i = 0; i < bodyRows; i++) {
      const lineIdx = startLine + i;
      let lineContent = "";
      if (lineIdx < lines.length) {
        lineContent = lines[lineIdx];
      }

      if (form.activeField === "body" && lineIdx === cursorLine) {
        let startCol = 0;
        if (cursorCol > cols - 6) {
          startCol = cursorCol - (cols - 6) + 1;
        }

        const visLineStr = lineContent.substring(startCol);
        const visCursorCol = cursorCol - startCol;

        const before = visLineStr.substring(0, visCursorCol);
        const char =
          visCursorCol < visLineStr.length ? visLineStr[visCursorCol] : " ";
        const after = visLineStr.substring(visCursorCol + 1);

        let visLine = before + chalk.inverse(char) + after;
        const plainLen = stripAnsi(visLine).length;
        if (plainLen < cols - 4) {
          visLine += " ".repeat(cols - 4 - plainLen);
        }

        console.log(borderCh + " " + visLine + " " + borderCh);
      } else {
        let visLineStr = lineContent;
        if (visLineStr.length > cols - 5) {
          visLineStr = visLineStr.substring(visLineStr.length - (cols - 5));
        }
        visLineStr = visLineStr.padEnd(cols - 4);
        console.log(borderCh + " " + visLineStr + " " + borderCh);
      }
    }

    console.log(chalk.bold.hex("#4A90E2")("└" + "─".repeat(cols - 2) + "┘"));

    // Help line
    const helpLine = chalk.gray(
      " [Tab] Switch Fields  [Ctrl+S] Save  [Esc] Cancel",
    );
    const issueStr = this.state.selectedIssue
      ? chalk.bold.cyan(` Issue #${this.state.selectedIssue.number} `)
      : "";
    const issueLen = stripAnsi(issueStr).length;

    const maxHelpLen = cols - issueLen - 1;
    let helpLinePlain = helpLine;
    if (stripAnsi(helpLinePlain).length > maxHelpLen) {
      helpLinePlain = chalk.gray(
        stripAnsi(helpLinePlain).substring(0, maxHelpLen - 3) + "...",
      );
    }

    const spaces = cols - stripAnsi(helpLinePlain).length - issueLen - 1;
    process.stdout.write(
      helpLinePlain + " ".repeat(Math.max(0, spaces)) + issueStr,
    );
  }

  private async handleEditIssueKeypress(str: string, key: any) {
    if (key && key.name === "escape") {
      this.state.screen = "confirm-cancel-edit";
      this.state.error = null;
      this.render();
      return;
    }

    if (key && key.ctrl && key.name === "s") {
      // Save issue
      if (!this.state.editIssueForm.title.trim()) {
        this.state.error = "Title is required.";
        this.render();
        return;
      }

      if (!this.state.selectedIssue) {
        this.state.error = "No issue selected.";
        this.render();
        return;
      }

      this.state.error = null;
      this.state.loading = true;
      this.render();
      try {
        const updatedIssue = await editIssue(
          this.state.config,
          this.state.selectedIssue.number,
          this.state.editIssueForm.title,
          this.state.editIssueForm.body,
        );

        // Update the list and selected issue with the new data
        this.state.selectedIssue = updatedIssue;
        const listIndex = this.state.issues.findIndex(
          (i) => i.number === updatedIssue.number,
        );
        if (listIndex !== -1) {
          this.state.issues[listIndex] = updatedIssue;
        }

        this.state.screen = "details";
        this.state.loading = false;
        this.render();
      } catch (err: any) {
        this.state.error = err.message;
        this.state.loading = false;
        this.render();
      }
      return;
    }

    if (key && key.name === "tab") {
      this.state.editIssueForm.activeField =
        this.state.editIssueForm.activeField === "title" ? "body" : "title";
      this.state.editIssueForm.cursor =
        this.state.editIssueForm[this.state.editIssueForm.activeField].length;
      this.render();
      return;
    }

    // Text input handling
    const activeField = this.state.editIssueForm.activeField;
    let val = this.state.editIssueForm[activeField];
    let cursor = this.state.editIssueForm.cursor;
    if (cursor === undefined || cursor > val.length) cursor = val.length;

    if (key && key.name === "left") {
      this.state.editIssueForm.cursor = Math.max(0, cursor - 1);
      this.render();
      return;
    }

    if (key && key.name === "right") {
      this.state.editIssueForm.cursor = Math.min(val.length, cursor + 1);
      this.render();
      return;
    }

    if (
      key &&
      (key.name === "up" || key.name === "down") &&
      activeField === "body"
    ) {
      const lines = val.split("\n");
      let lineIdx = 0,
        col = 0,
        count = 0;
      for (let i = 0; i < lines.length; i++) {
        if (count + lines[i].length >= cursor) {
          lineIdx = i;
          col = cursor - count;
          break;
        }
        count += lines[i].length + 1;
      }

      if (key.name === "up" && lineIdx > 0) {
        const prevLine = lines[lineIdx - 1];
        const newCol = Math.min(col, prevLine.length);
        let newCursor = 0;
        for (let i = 0; i < lineIdx - 1; i++) newCursor += lines[i].length + 1;
        this.state.editIssueForm.cursor = newCursor + newCol;
        this.render();
      } else if (key.name === "down" && lineIdx < lines.length - 1) {
        const nextLine = lines[lineIdx + 1];
        const newCol = Math.min(col, nextLine.length);
        let newCursor = 0;
        for (let i = 0; i <= lineIdx; i++) newCursor += lines[i].length + 1;
        this.state.editIssueForm.cursor = newCursor + newCol;
        this.render();
      }
      return;
    }

    if (key && (key.name === "backspace" || key.name === "delete")) {
      if (key.name === "backspace" && cursor > 0) {
        this.state.editIssueForm[activeField] =
          val.slice(0, cursor - 1) + val.slice(cursor);
        this.state.editIssueForm.cursor = cursor - 1;
        this.render();
      } else if (key.name === "delete" && cursor < val.length) {
        this.state.editIssueForm[activeField] =
          val.slice(0, cursor) + val.slice(cursor + 1);
        this.render();
      }
      return;
    }

    if (key && key.name === "return") {
      if (activeField === "body") {
        this.state.editIssueForm.body =
          val.slice(0, cursor) + "\n" + val.slice(cursor);
        this.state.editIssueForm.cursor = cursor + 1;
        this.render();
      } else {
        this.state.editIssueForm.activeField = "body";
        this.state.editIssueForm.cursor = this.state.editIssueForm.body.length;
        this.render();
      }
      return;
    }

    if (str && str.length === 1 && !key.ctrl && !key.meta) {
      this.state.error = null;
      this.state.editIssueForm[activeField] =
        val.slice(0, cursor) + str + val.slice(cursor);
      this.state.editIssueForm.cursor = cursor + 1;
      this.render();
    }
  }

  private renderAddTimeScreen(cols: number, rows: number) {
    const borderCh = chalk.bold.hex("#4A90E2")("│");

    // Header
    const title = " Add Time ";
    const leftLen = stripAnsi(title).length;
    let leftHeader = chalk.bold.hex("#4A90E2")(title);

    console.log(leftHeader + " ".repeat(Math.max(1, cols - leftLen - 1)));
    console.log(chalk.bold.hex("#4A90E2")("┌" + "─".repeat(cols - 2) + "┐"));

    if (this.state.error) {
      console.log(
        borderCh +
          chalk.red(` Error: ${this.state.error}`).padEnd(cols - 2) +
          borderCh,
      );
      console.log(chalk.bold.hex("#4A90E2")("├" + "─".repeat(cols - 2) + "┤"));
    }

    const form = this.state.addTimeForm;

    // Time Field
    const timeLabel = chalk.yellow.bold(" Time Spent (e.g. 1h 30m, 45m): ");
    console.log(
      borderCh +
        timeLabel +
        " ".repeat(Math.max(0, cols - stripAnsi(timeLabel).length - 2)) +
        borderCh,
    );
    console.log(chalk.bold.hex("#4A90E2")("├" + "─".repeat(cols - 2) + "┤"));

    // Input Box
    let visLine = form.timeInput;
    if (visLine.length > cols - 5) {
      visLine = visLine.substring(visLine.length - (cols - 5));
    }

    visLine =
      visLine +
      chalk.inverse(" ") +
      " ".repeat(Math.max(0, cols - 5 - stripAnsi(visLine).length));

    console.log(borderCh + " " + visLine + " " + borderCh);

    console.log(chalk.bold.hex("#4A90E2")("└" + "─".repeat(cols - 2) + "┘"));

    // Help line
    const helpLine = chalk.gray(" [Ctrl+S] Submit  [Esc] Cancel");
    const issueStr = this.state.selectedIssue
      ? chalk.bold.cyan(` Issue #${this.state.selectedIssue.number} `)
      : "";
    const issueLen = stripAnsi(issueStr).length;

    const maxHelpLen = cols - issueLen - 1;
    let helpLinePlain = helpLine;
    if (stripAnsi(helpLinePlain).length > maxHelpLen) {
      helpLinePlain = chalk.gray(
        stripAnsi(helpLinePlain).substring(0, maxHelpLen - 3) + "...",
      );
    }

    const spaces = cols - stripAnsi(helpLinePlain).length - issueLen - 1;
    process.stdout.write(
      helpLinePlain + " ".repeat(Math.max(0, spaces)) + issueStr,
    );
  }

  private async handleAddTimeKeypress(str: string, key: any) {
    if (key && key.name === "escape") {
      this.state.screen = "details";
      this.state.error = null;
      this.render();
      return;
    }

    if (key && key.ctrl && key.name === "s") {
      const input = this.state.addTimeForm.timeInput.trim();
      if (!input) {
        this.state.error = "Time input cannot be empty.";
        this.render();
        return;
      }

      if (!this.state.selectedIssue) {
        this.state.error = "No issue selected.";
        this.render();
        return;
      }

      // Parse time input (e.g. 1h 30m, 45m, 2h)
      let totalSeconds = 0;
      const hMatch = input.match(/(\d+)\s*h/);
      const mMatch = input.match(/(\d+)\s*m/);

      if (hMatch) {
        totalSeconds += parseInt(hMatch[1], 10) * 3600;
      }
      if (mMatch) {
        totalSeconds += parseInt(mMatch[1], 10) * 60;
      }

      // If neither h nor m matched, but it's just a number, assume minutes
      if (!hMatch && !mMatch && /^\d+$/.test(input)) {
        totalSeconds += parseInt(input, 10) * 60;
      } else if (!hMatch && !mMatch) {
        this.state.error =
          "Invalid format. Use '1h 30m', '45m', or just minutes like '45'.";
        this.render();
        return;
      }

      if (totalSeconds <= 0) {
        this.state.error = "Time must be greater than 0.";
        this.render();
        return;
      }

      this.state.error = null;
      this.state.loading = true;
      this.render();

      try {
        await addIssueTime(
          this.state.config,
          this.state.selectedIssue.number,
          totalSeconds,
        );
        this.state.screen = "details";
        this.state.loading = false;
        // Reload to show the time tracked
        this.reloadSingleIssue();
      } catch (err: any) {
        this.state.error = err.message;
        this.state.loading = false;
        this.render();
      }
      return;
    }

    let val = this.state.addTimeForm.timeInput;

    if (key && key.name === "backspace") {
      if (val.length > 0) {
        this.state.addTimeForm.timeInput = val.slice(0, -1);
        this.render();
      }
      return;
    }

    if (
      str &&
      str.length === 1 &&
      !key.ctrl &&
      !key.meta &&
      str !== "\n" &&
      str !== "\r"
    ) {
      this.state.error = null;
      this.state.addTimeForm.timeInput += str;
      this.render();
    }
  }

  private renderConfirmStateChangeScreen(cols: number, rows: number) {
    const borderCh = chalk.bold.hex("#4A90E2")("│");

    const issue = this.state.selectedIssue;
    if (!issue) return;

    const action = issue.state === "open" ? "Close" : "Reopen";
    const title = ` Confirm ${action} `;
    const leftLen = stripAnsi(title).length;
    let leftHeader = chalk.bold.hex("#4A90E2")(title);

    console.log(leftHeader + " ".repeat(Math.max(1, cols - leftLen - 1)));
    console.log(chalk.bold.hex("#4A90E2")("┌" + "─".repeat(cols - 2) + "┐"));

    if (this.state.error) {
      console.log(
        borderCh +
          chalk.red(` Error: ${this.state.error}`).padEnd(cols - 2) +
          borderCh,
      );
      console.log(chalk.bold.hex("#4A90E2")("├" + "─".repeat(cols - 2) + "┤"));
    }

    const question = `Are you sure you want to ${action.toLowerCase()} issue #${issue.number}?`;
    const promptPlain = ` ${question} [y/N] `;

    const paddingRows = Math.floor((rows - 8) / 2);
    for (let i = 0; i < paddingRows; i++)
      console.log(borderCh + " ".repeat(cols - 2) + borderCh);

    const contentLine = (
      " ".repeat(Math.max(0, Math.floor((cols - 2 - promptPlain.length) / 2))) +
      chalk.yellow.bold(question) +
      " [y/N] "
    ).padEnd(cols - 2 + (chalk.yellow.bold(question).length - question.length));
    console.log(borderCh + contentLine + borderCh);

    for (let i = 0; i < rows - 8 - paddingRows; i++)
      console.log(borderCh + " ".repeat(cols - 2) + borderCh);

    console.log(chalk.bold.hex("#4A90E2")("└" + "─".repeat(cols - 2) + "┘"));

    const helpLinePlain = " [y] Yes  [n/Esc] No";
    process.stdout.write(chalk.gray(helpLinePlain));
  }

  private async handleConfirmStateChangeKeypress(str: string, key: any) {
    if (
      (key && (key.name === "escape" || key.name === "n")) ||
      str === "n" ||
      str === "N"
    ) {
      this.state.screen = "details";
      this.state.error = null;
      this.render();
      return;
    }

    if (str === "y" || str === "Y") {
      const issue = this.state.selectedIssue;
      if (!issue) return;

      this.state.error = null;
      const newState = issue.state === "open" ? "closed" : "open";
      this.state.screen =
        newState === "closed" ? "animating-close" : "animating-reopen";
      this.animationFrame = 0;
      this.render();

      if (this.animationInterval) {
        clearInterval(this.animationInterval);
      }

      this.animationInterval = setInterval(() => {
        this.animationFrame++;
        const frameCount =
          newState === "closed"
            ? GRAVESTONE_FRAMES.length
            : ZOMBIE_FRAMES.length;
        this.render();

        if (this.animationFrame >= frameCount - 1) {
          if (this.animationInterval) {
            clearInterval(this.animationInterval);
            this.animationInterval = null;
          }

          setTimeout(async () => {
            this.state.loading = true;
            this.render();
            try {
              await changeIssueState(this.state.config, issue.number, newState);
              this.state.screen = "details";
              this.state.loading = false;
              this.reloadSingleIssue();
            } catch (err: any) {
              this.state.error = err.message;
              this.state.screen = "details";
              this.state.loading = false;
              this.render();
            }
          }, 300);
        }
      }, 300);

      return;
    }
  }

  private renderConfirmCancelCreateScreen(cols: number, rows: number) {
    const borderCh = chalk.bold.hex("#4A90E2")("│");

    const title = " Confirm Cancel ";
    const leftLen = stripAnsi(title).length;
    let leftHeader = chalk.bold.hex("#4A90E2")(title);

    console.log(leftHeader + " ".repeat(Math.max(1, cols - leftLen - 1)));
    console.log(chalk.bold.hex("#4A90E2")("┌" + "─".repeat(cols - 2) + "┐"));

    const question = "Are you sure you want to cancel creating this issue?";
    const promptPlain = ` ${question} [y/N] `;

    const paddingRows = Math.floor((rows - 8) / 2);
    for (let i = 0; i < paddingRows; i++)
      console.log(borderCh + " ".repeat(cols - 2) + borderCh);

    const padContentLeft = Math.max(
      0,
      Math.floor((cols - 2 - promptPlain.length) / 2),
    );
    const contentLine = (
      " ".repeat(padContentLeft) +
      chalk.yellow.bold(question) +
      " [y/N] "
    ).padEnd(cols - 2 + (chalk.yellow.bold(question).length - question.length));
    console.log(borderCh + contentLine + borderCh);

    for (let i = 0; i < rows - 8 - paddingRows; i++)
      console.log(borderCh + " ".repeat(cols - 2) + borderCh);

    console.log(chalk.bold.hex("#4A90E2")("└" + "─".repeat(cols - 2) + "┘"));

    const helpLinePlain = " [y] Yes  [n/Esc] No";
    process.stdout.write(chalk.gray(helpLinePlain));
  }

  private async handleConfirmCancelCreateKeypress(str: string, key: any) {
    if (
      (key && (key.name === "escape" || key.name === "n")) ||
      str === "n" ||
      str === "N"
    ) {
      this.state.screen = "create-issue";
      this.state.error = null;
      this.render();
      return;
    }

    if (str === "y" || str === "Y") {
      this.state.screen = "list";
      this.state.error = null;
      this.render();
      return;
    }
  }

  private renderConfirmCancelEditScreen(cols: number, rows: number) {
    const borderCh = chalk.bold.hex("#4A90E2")("│");

    const title = " Confirm Cancel ";
    const leftLen = stripAnsi(title).length;
    let leftHeader = chalk.bold.hex("#4A90E2")(title);

    console.log(leftHeader + " ".repeat(Math.max(1, cols - leftLen - 1)));
    console.log(chalk.bold.hex("#4A90E2")("┌" + "─".repeat(cols - 2) + "┐"));

    const question = "Are you sure you want to cancel editing this issue?";
    const promptPlain = ` ${question} [y/N] `;

    const paddingRows = Math.floor((rows - 8) / 2);
    for (let i = 0; i < paddingRows; i++)
      console.log(borderCh + " ".repeat(cols - 2) + borderCh);

    const padContentLeft = Math.max(
      0,
      Math.floor((cols - 2 - promptPlain.length) / 2),
    );
    const contentLine = (
      " ".repeat(padContentLeft) +
      chalk.yellow.bold(question) +
      " [y/N] "
    ).padEnd(cols - 2 + (chalk.yellow.bold(question).length - question.length));
    console.log(borderCh + contentLine + borderCh);

    for (let i = 0; i < rows - 8 - paddingRows; i++)
      console.log(borderCh + " ".repeat(cols - 2) + borderCh);

    console.log(chalk.bold.hex("#4A90E2")("└" + "─".repeat(cols - 2) + "┘"));

    const helpLinePlain = " [y] Yes  [n/Esc] No";
    process.stdout.write(chalk.gray(helpLinePlain));
  }

  private async handleConfirmCancelEditKeypress(str: string, key: any) {
    if (
      (key && (key.name === "escape" || key.name === "n")) ||
      str === "n" ||
      str === "N"
    ) {
      this.state.screen = "edit-issue";
      this.state.error = null;
      this.render();
      return;
    }

    if (str === "y" || str === "Y") {
      this.state.screen = "details";
      this.state.error = null;
      this.render();
      return;
    }
  }

  private renderSetAssigneesScreen(cols: number, rows: number) {
    const borderCh = chalk.bold.hex("#4A90E2")("│");

    const title = " Set Assignees ";
    const leftLen = stripAnsi(title).length;
    let leftHeader = chalk.bold.hex("#4A90E2")(title);

    console.log(leftHeader + " ".repeat(Math.max(1, cols - leftLen - 1)));
    console.log(chalk.bold.hex("#4A90E2")("┌" + "─".repeat(cols - 2) + "┐"));

    if (this.state.error) {
      console.log(
        borderCh +
          chalk.red(` Error: ${this.state.error}`).padEnd(cols - 2) +
          borderCh,
      );
      console.log(chalk.bold.hex("#4A90E2")("├" + "─".repeat(cols - 2) + "┤"));
    }

    const label = chalk.yellow(" Assignees (comma-separated usernames): ");
    console.log(
      borderCh +
        label +
        " ".repeat(cols - stripAnsi(label).length - 2) +
        borderCh,
    );
    console.log(chalk.bold.hex("#4A90E2")("├" + "─".repeat(cols - 2) + "┤"));

    const inputVal = this.state.assigneesInput;
    let visVal = inputVal;
    if (visVal.length > cols - 5) {
      visVal = visVal.substring(visVal.length - (cols - 5));
    }
    visVal =
      visVal +
      chalk.inverse(" ") +
      " ".repeat(Math.max(0, cols - 5 - stripAnsi(visVal).length));
    console.log(borderCh + " " + visVal + " " + borderCh);

    const fillRows = rows - (this.state.error ? 8 : 6) - 1;
    for (let i = 0; i < fillRows; i++) {
      console.log(borderCh + " ".repeat(cols - 2) + borderCh);
    }

    console.log(chalk.bold.hex("#4A90E2")("└" + "─".repeat(cols - 2) + "┘"));

    const helpLine = chalk.gray(
      " [Enter] Submit  [Esc] Cancel  (leave blank to clear assignees)",
    );
    const issueStr = this.state.selectedIssue
      ? chalk.bold.cyan(` Issue #${this.state.selectedIssue.number} `)
      : "";
    const spaces =
      cols - stripAnsi(helpLine).length - stripAnsi(issueStr).length;
    process.stdout.write(helpLine + " ".repeat(Math.max(0, spaces)) + issueStr);
  }

  private async handleSetAssigneesKeypress(str: string, key: any) {
    if (key && key.name === "escape") {
      this.state.screen = "details";
      this.state.error = null;
      this.render();
      return;
    }

    if (key && key.name === "backspace") {
      if (this.state.assigneesInput.length > 0) {
        this.state.assigneesInput = this.state.assigneesInput.slice(0, -1);
        this.render();
      }
      return;
    }

    if (key && key.name === "return") {
      const issue = this.state.selectedIssue;
      if (!issue) return;

      this.state.error = null;
      this.state.loading = true;
      this.render();

      const assignees = this.state.assigneesInput
        .split(",")
        .map((s) => s.trim())
        .filter((s) => s.length > 0);

      try {
        await setIssueAssignees(this.state.config, issue.number, assignees);
        this.state.screen = "details";
        this.state.loading = false;
        this.reloadSingleIssue();
      } catch (err: any) {
        this.state.error = err.message;
        this.state.loading = false;
        this.render();
      }
      return;
    }

    if (str && str.length === 1 && !key.ctrl && !key.meta) {
      this.state.error = null;
      this.state.assigneesInput += str;
      this.render();
    }
  }

  // LAUNCH ANIMATION IMPLEMENTATION
  private startLaunchAnimation() {
    this.launchFrameIndex = 0;
    this.render();

    this.launchInterval = setInterval(() => {
      this.launchFrameIndex++;
      this.render();

      if (this.launchFrameIndex >= this.maxLaunchFrames - 1) {
        this.skipLaunchAnimation();
      }
    }, 60); // 60ms interval for fast, smooth fluid color shifting
  }

  private skipLaunchAnimation() {
    if (this.launchInterval) {
      clearInterval(this.launchInterval);
      this.launchInterval = null;
    }

    // Transition to target destination screen
    if (this.launchDestScreen === "list") {
      this.state.screen = "list";
      this.loadIssues();
    } else {
      this.state.screen = "setup";
      this.render();
    }
  }

  private loadLaunchFrames() {
    try {
      const __filename = fileURLToPath(import.meta.url);
      const __dirname = path.dirname(__filename);
      // Resolve path to the root folder where ascii-art.txt is located
      const artPath = path.resolve(__dirname, "..", "ascii-art.txt");

      if (fs.existsSync(artPath)) {
        const rawArt = fs.readFileSync(artPath, "utf8").split(/\r?\n/);
        this.launchFrame = this.preprocessArt(rawArt);
      } else {
        // Fallback frames if file not found
        this.launchFrame = ["   ( (  ", "    ) ) ", "  [===] ", "  \\___/ "];
      }
    } catch (e) {
      this.launchFrame = ["   ( (  ", "    ) ) ", "  [===] ", "  \\___/ "];
    }
  }

  private preprocessArt(lines: string[]): string[] {
    let startIdx = 0;
    while (startIdx < lines.length && lines[startIdx].trim() === "") {
      startIdx++;
    }
    let endIdx = lines.length - 1;
    while (endIdx >= 0 && lines[endIdx].trim() === "") {
      endIdx--;
    }

    if (startIdx > endIdx) return [];
    const activeLines = lines.slice(startIdx, endIdx + 1);

    let minPadding = Infinity;
    for (const line of activeLines) {
      if (line.trim() === "") continue;
      const match = line.match(/^[ \t]*/);
      const padding = match ? match[0].length : 0;
      if (padding < minPadding) {
        minPadding = padding;
      }
    }

    if (minPadding === Infinity || minPadding === 0) return activeLines;
    return activeLines.map((line) =>
      line.length >= minPadding ? line.substring(minPadding) : "",
    );
  }

  private renderLaunchScreen(cols: number, rows: number) {
    if (this.launchFrame.length === 0) {
      this.loadLaunchFrames();
    }

    const frame = this.launchFrame;
    if (frame.length === 0) return;

    const W = Math.max(...frame.map((line) => line.length));
    const H = frame.length;

    const padLeftCount = Math.max(0, Math.floor((cols - W) / 2));
    const padTopCount = Math.max(0, Math.floor((rows - H - 5) / 2));

    for (let i = 0; i < padTopCount; i++) {
      console.log("");
    }

    // HSL helper function to generate HSL-based hex colors
    const hslToHex = (h: number, s: number, l: number): string => {
      l /= 100;
      const a = (s * Math.min(l, 1 - l)) / 100;
      const f = (n: number) => {
        const k = (n + h / 30) % 12;
        const color = l - a * Math.max(Math.min(k - 3, 9 - k, 1), -1);
        return Math.round(255 * color)
          .toString(16)
          .padStart(2, "0");
      };
      return `#${f(0)}${f(8)}${f(4)}`;
    };

    const step = this.launchFrameIndex;

    for (let i = 0; i < frame.length; i++) {
      const line = frame[i];
      const leftPad = " ".repeat(padLeftCount);

      let coloredLine = "";
      if (i < 20) {
        // Steam gradient: waving light intensity using sine wave based on time and row index
        const factor = i / 20; // 0 to 1

        // Wave lightness of the steam
        const wave = Math.sin(step * 0.4 - i * 0.3);
        const lightness = Math.max(
          10,
          Math.min(80, Math.round(25 + wave * 15 + factor * 25)),
        );

        // Soft cyan/blue steam hue = 195
        const hex = hslToHex(195, 30, lightness);
        coloredLine = chalk.hex(hex)(line);
      } else {
        // Cup body gradient: shifting rainbow wave
        const rowOffset = i - 20;

        // Cycle the hue over time and rows
        const hue = (step * 8 + rowOffset * 12) % 360;
        const hex = hslToHex(hue, 95, 55);
        coloredLine = chalk.hex(hex).bold(line);
      }

      console.log(leftPad + coloredLine);
    }

    console.log("");
    const titlePlain = "   G I T E A   &   F O R G E J O   T U I   ";
    const subtitlePlain = "Interactive Issue & Pull Request Explorer";

    // Cycle the title box background color too!
    const titleHue = (step * 6) % 360;
    const titleColor = hslToHex(titleHue, 95, 50);

    const titleLeftPad = Math.max(
      0,
      Math.floor((cols - titlePlain.length) / 2),
    );
    const subtitleLeftPad = Math.max(
      0,
      Math.floor((cols - subtitlePlain.length) / 2),
    );

    console.log(
      " ".repeat(titleLeftPad) + chalk.bold.bgHex(titleColor).black(titlePlain),
    );
    console.log(" ".repeat(subtitleLeftPad) + chalk.gray(subtitlePlain));
    console.log("");

    const skipPlain = "Press any key to skip animation";
    const skipLeftPad = Math.max(0, Math.floor((cols - skipPlain.length) / 2));
    console.log(" ".repeat(skipLeftPad) + chalk.gray.italic(skipPlain));

    const printedRows = H + padTopCount + 5;
    const remainingRows = Math.max(0, rows - printedRows - 1);
  }

  // --- Labels Logic ---
  private async loadLabels() {
    this.state.labelsLoading = true;
    this.state.error = null;
    this.render();
    try {
      this.state.labels = await fetchLabels(this.state.config);
    } catch (err: any) {
      this.state.error = `Failed to load labels: ${err.message}`;
    } finally {
      this.state.labelsLoading = false;
      this.render();
    }
  }

  private async handleLabelsListKeypress(str: string, key: any) {
    if (this.state.labelsLoading) return;

    if (
      (key && key.name === "escape") ||
      str === "\u001b" ||
      str === "q" ||
      str === "Q"
    ) {
      this.state.screen = "list";
      this.render();
      return;
    }

    if ((key && key.name === "up") || str === "k") {
      if (this.state.selectedLabelIndex > 0) {
        this.state.selectedLabelIndex--;
        this.render();
      }
      return;
    }

    if ((key && key.name === "down") || str === "j") {
      if (this.state.selectedLabelIndex < this.state.labels.length - 1) {
        this.state.selectedLabelIndex++;
        this.render();
      }
      return;
    }

    if (str === "c" || str === "C") {
      this.state.screen = "create-label";
      this.state.labelForm = {
        name: "",
        color: "000000",
        description: "",
        exclusive: false,
        activeField: "name",
      };
      this.render();
      return;
    }

    if (str === "e" || str === "E") {
      if (this.state.labels.length > 0) {
        const lbl = this.state.labels[this.state.selectedLabelIndex];
        this.state.screen = "edit-label";
        this.state.labelForm = {
          name: lbl.name,
          color: lbl.color,
          description: lbl.description || "",
          exclusive: lbl.exclusive || false,
          activeField: "name",
        };
        this.render();
      }
      return;
    }

    if ((key && key.name === "delete") || str === "d" || str === "D") {
      if (this.state.labels.length > 0) {
        const lbl = this.state.labels[this.state.selectedLabelIndex];
        this.state.labelsLoading = true;
        this.render();
        try {
          await deleteLabel(this.state.config, lbl.id);
          await this.loadLabels();
        } catch (err: any) {
          this.state.error = `Failed to delete label: ${err.message}`;
          this.state.labelsLoading = false;
          this.render();
        }
      }
      return;
    }
  }

  private async handleLabelFormKeypress(str: string, key: any) {
    if ((key && key.name === "escape") || str === "\u001b") {
      this.state.screen = "labels-list";
      this.render();
      return;
    }

    const form = this.state.labelForm;
    const fields: Array<"name" | "color" | "description" | "exclusive"> = [
      "name",
      "color",
      "description",
      "exclusive",
    ];
    const currentIdx = fields.indexOf(form.activeField);

    if (key && key.name === "up") {
      form.activeField =
        fields[(currentIdx - 1 + fields.length) % fields.length];
      this.render();
      return;
    }

    if (key && key.name === "down") {
      form.activeField = fields[(currentIdx + 1) % fields.length];
      this.render();
      return;
    }

    if (key && key.name === "tab") {
      form.activeField = fields[(currentIdx + 1) % fields.length];
      this.render();
      return;
    }

    if (str === " " && form.activeField === "exclusive") {
      form.exclusive = !form.exclusive;
      this.render();
      return;
    }

    if ((key && key.name === "return") || str === "\r" || str === "\n") {
      if (form.activeField === "exclusive") {
        form.exclusive = !form.exclusive;
        this.render();
        return;
      }
      if (!form.name.trim() || !form.color.trim()) {
        this.state.error = "Name and Color are required.";
        this.render();
        return;
      }
      this.state.labelsLoading = true;
      this.state.error = null;
      this.render();

      try {
        if (this.state.screen === "create-label") {
          await createLabel(this.state.config, {
            name: form.name.trim(),
            color: form.color.trim(),
            description: form.description.trim(),
            exclusive: form.exclusive,
          });
        } else {
          const lbl = this.state.labels[this.state.selectedLabelIndex];
          await updateLabel(this.state.config, lbl.id, {
            name: form.name.trim(),
            color: form.color.trim(),
            description: form.description.trim(),
            exclusive: form.exclusive,
          });
        }
        this.state.screen = "labels-list";
        await this.loadLabels();
      } catch (err: any) {
        this.state.error = err.message;
        this.state.labelsLoading = false;
        this.render();
      }
      return;
    }

    if (key && key.name === "backspace") {
      if (form.activeField === "name") form.name = form.name.slice(0, -1);
      if (form.activeField === "color") form.color = form.color.slice(0, -1);
      if (form.activeField === "description")
        form.description = form.description.slice(0, -1);
      this.render();
      return;
    }

    if (
      str &&
      !key.ctrl &&
      !key.meta &&
      str.length === 1 &&
      str.charCodeAt(0) >= 32
    ) {
      if (form.activeField === "name") form.name += str;
      if (form.activeField === "color") form.color += str;
      if (form.activeField === "description") form.description += str;
      this.render();
    }
  }

  private renderLabelsList(cols: number, rows: number) {
    const header = chalk.bgBlue.white.bold(
      ` Repository Labels - ${this.state.config.owner}/${this.state.config.repo} `,
    );
    const headerPad = Math.max(
      0,
      Math.floor((cols - stripAnsi(header).length) / 2),
    );
    console.log(" ".repeat(headerPad) + header);
    console.log(chalk.gray("─".repeat(cols)));

    if (this.state.labelsLoading) {
      console.log(
        chalk.yellow(` Loading labels... ${SPINNER_FRAMES[spinnerIndex]}`),
      );
    } else if (this.state.labels.length === 0) {
      console.log(chalk.gray(" No labels found."));
    } else {
      const listHeight = rows - 6; // header(2), footer(2), errors etc.
      let startIdx = 0;
      if (this.state.selectedLabelIndex >= listHeight) {
        startIdx = this.state.selectedLabelIndex - listHeight + 1;
      }

      for (let i = 0; i < listHeight; i++) {
        const itemIdx = startIdx + i;
        if (itemIdx >= this.state.labels.length) break;

        const lbl = this.state.labels[itemIdx];
        const isSelected = itemIdx === this.state.selectedLabelIndex;

        let prefix = isSelected ? chalk.green(" > ") : "   ";
        let lblDisplay = chalk.bgHex("#" + lbl.color).black(` ${lbl.name} `);
        if (lbl.exclusive) lblDisplay += " (exclusive)";

        let line = prefix + lblDisplay;
        if (lbl.description) {
          line += chalk.gray(` - ${truncate(lbl.description, cols - 30)}`);
        }

        if (isSelected) {
          console.log(
            chalk.bgGray(
              line + " ".repeat(Math.max(0, cols - stripAnsi(line).length)),
            ),
          );
        } else {
          console.log(line);
        }
      }
    }

    // Fill remaining space
    const currentLine = this.state.labelsLoading
      ? 3
      : Math.min(this.state.labels.length, rows - 6) + 2;
    for (let i = currentLine; i < rows - 3; i++) console.log("");

    if (this.state.error) {
      console.log(chalk.red(` Error: ${this.state.error}`));
    } else {
      console.log("");
    }

    console.log(chalk.gray("─".repeat(cols)));
    console.log(
      chalk.gray(" [c] Create  [e] Edit  [d] Delete  [esc] Back to Issues"),
    );
  }

  private renderLabelForm(cols: number, rows: number) {
    const isEdit = this.state.screen === "edit-label";
    const title = isEdit ? "Edit Label" : "Create Label";
    const header = chalk.bgBlue.white.bold(` ${title} `);
    const headerPad = Math.max(
      0,
      Math.floor((cols - stripAnsi(header).length) / 2),
    );
    console.log(" ".repeat(headerPad) + header);
    console.log(chalk.gray("─".repeat(cols)));

    const form = this.state.labelForm;
    const width = Math.min(60, cols - 4);
    const leftPadStr = " ".repeat(Math.max(0, Math.floor((cols - width) / 2)));

    console.log("");

    // Name
    const nameLabel =
      form.activeField === "name" ? chalk.cyan.bold("> Name: ") : "  Name: ";
    console.log(leftPadStr + nameLabel + (form.name || chalk.gray("(empty)")));
    console.log("");

    // Color
    const colorLabel =
      form.activeField === "color"
        ? chalk.cyan.bold("> Color (hex without #): ")
        : "  Color: ";
    console.log(
      leftPadStr + colorLabel + (form.color || chalk.gray("e.g. ff0000")),
    );
    if (form.color && form.color.length >= 3) {
      try {
        console.log(
          leftPadStr +
            "  Preview: " +
            chalk.bgHex("#" + form.color).black(` ${form.name || "Label"} `),
        );
      } catch (e) {
        console.log(leftPadStr + "  Preview: " + chalk.red("Invalid color"));
      }
    }
    console.log("");

    // Description
    const descLabel =
      form.activeField === "description"
        ? chalk.cyan.bold("> Description: ")
        : "  Description: ";
    console.log(
      leftPadStr + descLabel + (form.description || chalk.gray("(empty)")),
    );
    console.log("");

    // Exclusive
    const exclLabel =
      form.activeField === "exclusive"
        ? chalk.cyan.bold("> Exclusive: ")
        : "  Exclusive: ";
    console.log(
      leftPadStr + exclLabel + (form.exclusive ? chalk.green("[x]") : "[ ]"),
    );
    console.log("");

    for (let i = 13; i < rows - 3; i++) console.log("");

    if (this.state.error) {
      console.log(leftPadStr + chalk.red(` Error: ${this.state.error}`));
    } else if (this.state.labelsLoading) {
      console.log(
        leftPadStr + chalk.yellow(` Saving... ${SPINNER_FRAMES[spinnerIndex]}`),
      );
    } else {
      console.log("");
    }

    console.log(chalk.gray("─".repeat(cols)));
    console.log(chalk.gray(" [↑/↓/Tab] Navigate  [Enter] Save  [Esc] Cancel"));
  }

  private renderHelpScreen(cols: number, rows: number) {
    const isDetails = this.state.previousScreen === "details";

    // Command lists:
    const commands: Array<{ key: string; desc: string }> = isDetails
      ? [
          { key: "Esc / Backspace", desc: "Back to Issues List" },
          { key: "C", desc: "Add Comment to Issue" },
          { key: "A", desc: "Assign User(s)" },
          { key: "E", desc: "Edit Title & Description" },
          { key: "T", desc: "Track Time (add time)" },
          { key: "X", desc: "Close / Reopen Issue" },
          { key: "R", desc: "Reload Single Issue" },
          { key: "O", desc: "Global Setup / Connection Settings" },
          { key: "↑ / ↓", desc: "Scroll description & comments" },
          { key: "PgUp / PgDn", desc: "Scroll faster (10 lines)" },
          { key: "?", desc: "Show / Close Help Menu" },
        ]
      : [
          { key: "↑ / ↓ / j/k", desc: "Navigate issues list" },
          { key: "Enter", desc: "View selected issue details" },
          { key: "C", desc: "Create new issue" },
          { key: "/", desc: "Focus Search input field" },
          { key: "S", desc: "Cycle Sort fields and order" },
          { key: "F", desc: "Cycle State filter (open/closed/all)" },
          { key: "T", desc: "Cycle Type filter (issues/pulls/all)" },
          { key: "L", desc: "View and manage Labels list" },
          { key: "N / PageDown", desc: "Next page of issues" },
          { key: "P / PageUp", desc: "Previous page of issues" },
          { key: "R", desc: "Reload issues list" },
          { key: "Tab", desc: "Toggle focus (Issues List <=> Settings)" },
          { key: "O", desc: "Global Setup / Connection Settings" },
          { key: "Q / Esc", desc: "Quit application" },
          { key: "?", desc: "Show / Close Help Menu" },
        ];

    const title = ` KEYBOARD COMMANDS HELP (${isDetails ? "DETAILS VIEW" : "LIST VIEW"}) `;
    const width = Math.min(74, cols - 4);
    const height = commands.length + 6; // list + borders + title + instructions

    const leftPadStr = " ".repeat(Math.max(0, Math.floor((cols - width) / 2)));

    // Top border
    console.log("\n"); // blank line
    const borderCh = chalk.bold.hex("#4A90E2");

    const titlePadding = "─".repeat(
      Math.max(0, Math.floor((width - 2 - title.length) / 2)),
    );
    const titleLine =
      borderCh("┌" + titlePadding + title + titlePadding) +
      borderCh(
        "─".repeat(
          Math.max(0, width - 2 - title.length - 2 * titlePadding.length),
        ) + "┐",
      );
    console.log(leftPadStr + titleLine);

    // Render lines
    for (const cmd of commands) {
      const keyStr = chalk.bold.cyan(cmd.key.padStart(22));
      const descStr = chalk.white(cmd.desc);
      const row = `  ${keyStr} ─ ${descStr}`;
      const rowPlainLen = stripAnsi(row).length;
      const rowPadding = " ".repeat(Math.max(0, width - 2 - rowPlainLen));
      console.log(
        leftPadStr + borderCh("│") + row + rowPadding + borderCh("│"),
      );
    }

    // Separator line
    console.log(leftPadStr + borderCh("├" + "─".repeat(width - 2) + "┤"));

    // Instructions line
    const instructions = "Press [Esc], [q], or [?] to close";
    const instrPadding = " ".repeat(
      Math.max(0, Math.floor((width - 2 - instructions.length) / 2)),
    );
    const instrLine =
      borderCh("│") +
      instrPadding +
      chalk.yellow.bold(instructions) +
      " ".repeat(
        Math.max(0, width - 2 - instructions.length - instrPadding.length),
      ) +
      borderCh("│");
    console.log(leftPadStr + instrLine);

    // Bottom border
    console.log(leftPadStr + borderCh("└" + "─".repeat(width - 2) + "┘"));

    // Fill remaining rows
    const filledRows = 1 + 1 + height + 1; // offset + top border + height + newlines
    for (let i = filledRows; i < rows; i++) {
      console.log("");
    }
  }
}