import { mkdir, writeFile } from 'node:fs/promises'
import path from 'node:path'
import type {
  AdminStorageProvider,
  AdminStorageUploadInput,
  AdminStorageUploadResult
} from '@admin/actions/storage/types'
import { buildLocalStorageKey } from '@admin/utils/storage/build-local-storage-key'

async function saveLocally({
  buffer,
  filename,
  prefix
}: AdminStorageUploadInput): Promise<AdminStorageUploadResult> {
  const key = buildLocalStorageKey(filename, prefix)
  const outputPath = path.join(process.cwd(), 'public', key)

  await mkdir(path.dirname(outputPath), { recursive: true })
  await writeFile(outputPath, buffer)

  return {
    key,
    url: `/${key}`
  }
}

export const localStorageProvider: AdminStorageProvider = {
  id: 'local',
  isConfigured: () => true,
  saveFile: saveLocally
}