import { defineConfig } from 'vite'
import react from '@vitejs/plugin-react'
import tailwindcss from '@tailwindcss/vite'
import fs from 'node:fs'
import path from 'node:path'
import { fileURLToPath } from 'node:url'

const __dirname = path.dirname(fileURLToPath(import.meta.url))

function getAppVersion(): string {
  if (process.env.VITE_APP_VERSION) {
    return process.env.VITE_APP_VERSION
  }
  const candidatePaths = [
    path.resolve(__dirname, '../version.ini'),
    path.resolve(__dirname, 'version.ini'),
    path.resolve(process.cwd(), '../version.ini'),
    path.resolve(process.cwd(), 'version.ini'),
  ]
  for (const p of candidatePaths) {
    if (fs.existsSync(p)) {
      try {
        const content = fs.readFileSync(p, 'utf-8')
        const match = content.match(/^version\s*=\s*([^\r\n]+)/m)
        if (match) {
          return match[1].trim().replace(/^["']|["']$/g, '')
        }
      } catch (err) {
        console.warn(`Failed to read version from ${p}:`, err)
      }
    }
  }
  return '1.0'
}

const appVersion = getAppVersion()

// https://vite.dev/config/
export default defineConfig({
  plugins: [
    react(),
    tailwindcss(),
  ],
  define: {
    'import.meta.env.VITE_APP_VERSION': JSON.stringify(appVersion),
  },
  server: {
    port: 5173,
    proxy: {
      '/api': {
        target: 'http://127.0.0.1:8000',
        changeOrigin: true,
      },
      '/ws': {
        target: 'ws://127.0.0.1:8000',
        ws: true,
      }
    }
  }
})