app/api/flutter/list/route.ts

import { NextResponse } from 'next/server'
import fs from 'fs'
import path from 'path'

const DATA_DIR = process.env.NODE_ENV === 'production' && fs.existsSync('/data')
  ? '/data'
  : path.join(process.cwd(), 'data')
const FLUTTER_APPS_DIR = path.join(DATA_DIR, 'documents', 'flutter_apps')

export async function GET() {
  try {
    if (!fs.existsSync(FLUTTER_APPS_DIR)) {
      return NextResponse.json({
        success: true,
        apps: [],
        count: 0
      })
    }

    const files = fs.readdirSync(FLUTTER_APPS_DIR)
    const apps = []

    for (const file of files) {
      if (file.endsWith('.flutter.json')) {
        try {
          const filePath = path.join(FLUTTER_APPS_DIR, file)
          const fileContent = fs.readFileSync(filePath, 'utf-8')
          const appData = JSON.parse(fileContent)

          apps.push({
            name: appData.name || file.replace('.flutter.json', ''),
            created: appData.metadata?.created,
            modified: appData.metadata?.modified,
            dependenciesCount: appData.dependencies?.length || 0,
            filePath: `flutter_apps/${file}`
          })
        } catch (error) {
          // Skip malformed files
          console.error(`Error parsing ${file}:`, error)
          continue
        }
      }
    }

    return NextResponse.json({
      success: true,
      apps,
      count: apps.length
    })
  } catch (error) {
    console.error('Error listing Flutter apps:', error)
    return NextResponse.json(
      { success: false, error: 'Failed to list Flutter apps' },
      { status: 500 }
    )
  }
}