import fs from 'node:fs'
import path from 'node:path'

export default defineEventHandler(async () => {
  const gameRulesDir = path.resolve(process.cwd(), 'public/policy/game-rules')

  const baseRules = [
    { id: 'general', name: 'General Rules' },
    { id: 'conduct', name: 'Code of Conduct' },
    { id: 'privacy', name: 'Privacy Policy' }
  ]

  const games: Array<{ id: string, name: string, version: string }> = []

  try {
    if (fs.existsSync(gameRulesDir)) {
      const folders = await fs.promises.readdir(gameRulesDir)

      for (const folder of folders) {
        const folderPath = path.join(gameRulesDir, folder)

        if (!folderPath.startsWith(gameRulesDir)) {
          continue
        }

        const stat = await fs.promises.stat(folderPath)

        if (stat.isDirectory()) {
          const metadataPath = path.join(folderPath, 'metadata.json')

          if (fs.existsSync(metadataPath)) {
            try {
              const metaContent = await fs.promises.readFile(metadataPath, 'utf-8')
              const parsedMeta = JSON.parse(metaContent)

              games.push({
                id: folder,
                name: parsedMeta.name || folder,
                version: parsedMeta.version || '1.0.0'
              })
            } catch (jsonError) {
              console.error(`Malformed metadata.json in ${folder}:`, jsonError)
            }
          }
        }
      }
    }
  } catch (error) {
    console.error('Error scanning public policy tree:', error)
  }

  return {
    baseRules,
    games
  }
})