import React, { useEffect, useRef, useState } from 'react';
import type { WizardChallengeResult } from '../types';

interface WizardChallengeModalProps {
  challenge: WizardChallengeResult | null;
  onClose: () => void;
}

export const WizardChallengeModal: React.FC<WizardChallengeModalProps> = ({
  challenge,
  onClose,
}) => {
  const [countdown, setCountdown] = useState(5);
  const [progressPercent, setProgressPercent] = useState(100);

  const onCloseRef = useRef(onClose);
  useEffect(() => {
    onCloseRef.current = onClose;
  });

  const challengeKey = challenge
    ? `${challenge.challenger_id}_${challenge.player_bouts_won}_${challenge.wizard_bouts_won}_${challenge.reward_chosen}_${challenge.score_change}_${challenge.strength_change}_${challenge.health_change}_${challenge.wizard_respawn_position?.x}_${challenge.wizard_respawn_position?.y}`
    : null;

  useEffect(() => {
    if (!challengeKey) {
      setCountdown(5);
      setProgressPercent(100);
      return;
    }

    const DURATION_MS = 5000;
    const targetEndTime = Date.now() + DURATION_MS;
    setCountdown(5);
    setProgressPercent(100);

    const timer = window.setInterval(() => {
      const now = Date.now();
      const remainingMs = targetEndTime - now;

      if (remainingMs <= 0) {
        window.clearInterval(timer);
        setCountdown(0);
        setProgressPercent(0);
        onCloseRef.current();
        return;
      }

      const seconds = Math.ceil(remainingMs / 1000);
      const percent = Math.min(100, Math.max(0, (remainingMs / DURATION_MS) * 100));
      setCountdown(seconds);
      setProgressPercent(percent);
    }, 100);

    return () => {
      window.clearInterval(timer);
    };
  }, [challengeKey]);

  if (!challenge) return null;

  const playerName = challenge.challenger_name;
  const wizardName = challenge.wizard_name || 'Gary the Wizard';

  return (
    <div className="fixed inset-0 z-50 flex items-center justify-center bg-black/80 backdrop-blur-md p-4 animate-in fade-in duration-200">
      <div className="bg-slate-900 border-2 border-purple-500/80 rounded-2xl w-full max-w-xl shadow-2xl p-6 relative overflow-hidden">
        {/* Glowing cyber wizard header banner */}
        <div className="absolute top-0 left-0 right-0 h-2 bg-gradient-to-r from-purple-500 via-fuchsia-500 to-indigo-500" />

        {/* 5-second automatic progress bar */}
        <div className="absolute top-2 left-0 right-0 h-1 bg-slate-800">
          <div
            className="h-full bg-purple-400 transition-all duration-100 ease-linear"
            style={{ width: `${progressPercent}%` }}
          />
        </div>

        <div className="flex items-center justify-between mb-4 pb-2 border-b border-slate-800 mt-1">
          <div className="flex items-center gap-2">
            <span className="text-2xl">🧙‍♂️</span>
            <div>
              <h2 className="text-base font-bold text-slate-100 font-mono tracking-wide flex items-center gap-2">
                <span>WIZARD NPC DUEL: 3-BOUT D20 CHALLENGE</span>
              </h2>
              <p className="text-xs text-slate-400">
                <span className="text-sky-300 font-semibold">{playerName}</span> vs{' '}
                <span className="text-purple-300 font-semibold">{wizardName}</span>
              </p>
            </div>
          </div>
          <button
            onClick={() => onCloseRef.current()}
            className="text-slate-400 hover:text-slate-200 p-1 text-sm font-mono"
            title="Dismiss now"
          >
            ✕
          </button>
        </div>

        {/* 3 Bouts Breakdown */}
        <div className="space-y-3 mb-5">
          {challenge.bouts.map((bout) => (
            <div
              key={bout.bout_number}
              className={`p-3 rounded-xl border flex items-center justify-between transition-colors ${
                bout.winner === 'player'
                  ? 'bg-sky-950/30 border-sky-500/50'
                  : bout.winner === 'wizard'
                  ? 'bg-purple-950/30 border-purple-500/50'
                  : 'bg-slate-800/40 border-slate-700'
              }`}
            >
              {/* Bout Index */}
              <div className="w-16 font-mono text-xs font-bold text-slate-400">
                Bout #{bout.bout_number}
              </div>

              {/* Player Bout Score */}
              <div className="flex-1 text-left px-2">
                <div className="text-xs font-bold text-slate-200 truncate">
                  {playerName}
                </div>
                <div className="text-[11px] font-mono text-slate-400 flex items-center gap-1">
                  <span>🎲 D20({bout.player_roll})</span>
                  <span>×</span>
                  <span>⚡Str({bout.player_strength})</span>
                  <span>=</span>
                  <strong className="text-sky-400 text-xs">{bout.player_score}</strong>
                </div>
              </div>

              {/* VS Divider */}
              <div className="px-2 text-slate-600 font-mono text-xs font-black">VS</div>

              {/* Wizard Bout Score */}
              <div className="flex-1 text-right px-2">
                <div className="text-xs font-bold text-purple-300 truncate">
                  {wizardName}
                </div>
                <div className="text-[11px] font-mono text-slate-400 flex items-center justify-end gap-1">
                  <strong className="text-purple-400 text-xs">{bout.wizard_score}</strong>
                  <span>=</span>
                  <span>⚡Str({bout.wizard_strength})</span>
                  <span>×</span>
                  <span>🎲 D20({bout.wizard_roll})</span>
                </div>
              </div>

              {/* Bout Outcome Badge */}
              <div className="w-20 text-right">
                <span
                  className={`text-[10px] font-mono px-2 py-0.5 rounded font-bold uppercase ${
                    bout.winner === 'player'
                      ? 'bg-sky-900/80 text-sky-200 border border-sky-600'
                      : bout.winner === 'wizard'
                      ? 'bg-purple-900/80 text-purple-200 border border-purple-600'
                      : 'bg-slate-700 text-slate-300'
                  }`}
                >
                  {bout.winner === 'player'
                    ? 'Player'
                    : bout.winner === 'wizard'
                    ? 'Wizard'
                    : 'Tie'}
                </span>
              </div>
            </div>
          ))}
        </div>

        {/* Overall Match Outcome Banner */}
        <div
          className={`p-4 rounded-xl border mb-4 text-center ${
            challenge.player_won
              ? 'bg-emerald-950/40 border-emerald-500/60 text-emerald-200'
              : 'bg-rose-950/40 border-rose-500/60 text-rose-200'
          }`}
        >
          <div className="text-xs font-mono uppercase tracking-wider mb-1">
            Duel Outcome: {challenge.player_bouts_won} - {challenge.wizard_bouts_won}
          </div>
          <div className="text-base font-extrabold flex items-center justify-center gap-2">
            <span>{challenge.player_won ? '✨ CHALLENGE VICTORY ✨' : '💀 CHALLENGE DEFEAT 💀'}</span>
          </div>

          <div className="mt-2 text-xs font-mono space-y-1">
            {challenge.player_won ? (
              <div className="text-emerald-300 font-bold space-y-0.5">
                {challenge.reward_chosen === 'strength' ? (
                  <div>⚡ Victory Reward: +{challenge.strength_change || 2} Strength! (Total Strength: {challenge.new_strength ?? '?'})</div>
                ) : challenge.reward_chosen === 'health' ? (
                  <div>❤️ Victory Reward: +{challenge.health_change || 2} Health! (Total HP: {challenge.new_health})</div>
                ) : (
                  <div>🏆 Victory Reward: +{challenge.score_change || 2} Score Points! (Total Score: {challenge.new_score})</div>
                )}
              </div>
            ) : (
              <div className="text-rose-300 font-bold">
                {challenge.health_change < 0 ? (
                  <span>
                    💔 Lost {Math.abs(challenge.health_change)} Health! (Remaining HP: {challenge.new_health})
                  </span>
                ) : (
                  <span>
                    📉 Out of HP! Lost {Math.abs(challenge.score_change)} Score points! (Score: {challenge.new_score})
                  </span>
                )}
              </div>
            )}
            <div className="text-purple-300/80 text-[11px] pt-1">
              🔮 The Wizard vanished in a puff of smoke and teleported to ({challenge.wizard_respawn_position?.x}, {challenge.wizard_respawn_position?.y}).
            </div>
          </div>
        </div>

        {/* Modal Controls / Auto-close countdown */}
        <div className="flex items-center justify-between text-xs text-slate-400 font-mono">
          <span>Auto-closing in {countdown}s...</span>
          <button
            onClick={() => onCloseRef.current()}
            className="px-4 py-1.5 rounded-lg bg-slate-800 hover:bg-purple-700 text-slate-200 hover:text-white border border-slate-700 transition-colors font-semibold"
          >
            Acknowledge & Close
          </button>
        </div>
      </div>
    </div>
  );
};