import type { NextRequest } from 'next/server'
import { getStorageProvider } from '@admin/actions/storage/provider'
import { decodeStorageKey } from '@admin/utils/storage/decode-storage-key'
import { storageError } from '@admin/utils/storage/storage-error'
import { NextResponse } from 'next/server'

type SignedReadStorageProvider = ReturnType<typeof getStorageProvider> & {
  createReadUrl?: (storageKey: string) => Promise<string>
}

export async function GET(request: NextRequest) {
  const encodedKey = request.nextUrl.pathname.split('/').filter(Boolean).at(-1)
  const key = encodedKey ? decodeStorageKey(encodedKey) : undefined
  const provider: SignedReadStorageProvider = getStorageProvider()

  if (!key || !provider.createReadUrl) {
    return storageError('Media object not found', 404)
  }

  try {
    const signedUrl = await provider.createReadUrl(key)
    return new NextResponse(null, {
      status: 307,
      headers: {
        Location: signedUrl,
        'Cache-Control': 'no-store'
      }
    })
  } catch {
    return storageError('Could not create a media read URL', 502)
  }
}