import { APPS_DIR, allApps } from '$apps'
import { generateManifest } from '../sync'
import { existsSync, mkdirSync, readFileSync, unlinkSync, writeFileSync } from 'fs'
import { dirname, join } from 'path'
import { Hype } from '@because/hype'

const router = Hype.router()

router.get('/apps', c => c.json(allApps().map(a => a.name)))

router.get('/apps/:app/manifest', c => {
  const appName = c.req.param('app')
  if (!appName) return c.json({ error: 'App not found' }, 404)

  const appPath = join(APPS_DIR, appName)
  if (!existsSync(appPath)) return c.json({ error: 'App not found' }, 404)

  const manifest = generateManifest(appPath, appName)
  return c.json(manifest)
})

router.get('/apps/:app/files/:path{.+}', c => {
  const appName = c.req.param('app')
  const filePath = c.req.param('path')

  if (!appName || !filePath) return c.json({ error: 'Invalid path' }, 400)

  const fullPath = join(APPS_DIR, appName, filePath)
  if (!existsSync(fullPath)) return c.json({ error: 'File not found' }, 404)

  const content = readFileSync(fullPath)
  return new Response(content)
})

router.put('/apps/:app/files/:path{.+}', async c => {
  const appName = c.req.param('app')
  const filePath = c.req.param('path')

  if (!appName || !filePath) return c.json({ error: 'Invalid path' }, 400)

  const fullPath = join(APPS_DIR, appName, filePath)
  const dir = dirname(fullPath)

  // Ensure directory exists
  if (!existsSync(dir)) {
    mkdirSync(dir, { recursive: true })
  }

  const body = await c.req.arrayBuffer()
  writeFileSync(fullPath, new Uint8Array(body))

  return c.json({ ok: true })
})

router.delete('/apps/:app/files/:path{.+}', c => {
  const appName = c.req.param('app')
  const filePath = c.req.param('path')

  if (!appName || !filePath) return c.json({ error: 'Invalid path' }, 400)

  const fullPath = join(APPS_DIR, appName, filePath)
  if (!existsSync(fullPath)) return c.json({ error: 'File not found' }, 404)

  unlinkSync(fullPath)
  return c.json({ ok: true })
})

export default router