import fs from 'fs'
import path from 'path'
import { defineConfig } from 'vite'
import react from '@vitejs/plugin-react'
import { SONGS } from './src/features/song-select/song-data'

// Song folders to include in the build (only YouTube-enabled songs).
// Other song folders stay in the repo but are excluded from dist.
const activeSongIds = new Set(SONGS.map((s) => s.id))

// https://vite.dev/config/
export default defineConfig({
  plugins: [
    react(),
    {
      name: 'exclude-inactive-songs',
      closeBundle() {
        const songsDir = path.resolve(__dirname, 'dist/songs')
        if (!fs.existsSync(songsDir)) return
        for (const dir of fs.readdirSync(songsDir)) {
          if (!activeSongIds.has(dir)) {
            fs.rmSync(path.join(songsDir, dir), { recursive: true })
          }
        }
      },
    },
  ],
})