import {z} from 'zod'

export type PBEpisodeUpload = {fileUrl: string, title?: string | undefined, description?: string | undefined, author?: string | undefined, originalFilename?: string | undefined, duration?: number | undefined, fileSize?: number | undefined, publishDate?: string | undefined, explicit?: boolean | undefined};

export type UpdateApiPodcastBotPodcastsPodcastKeyEpisodesEpisodeKeyUploadArgs = {podcastKey: string, episodeKey: string, body: PBEpisodeUpload};

export type UpdateApiPodcastBotPodcastsPodcastKeyEpisodesEpisodeKeyUploadOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const pBEpisodeUploadResult = z.object({episodeKey: z.string().optional(), status: z.string().optional(), alreadyExisted: z.boolean().optional()});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Ingest an uploaded audio file as the episode with this key: copy it into the podcast's storage and run the post-recording jobs
 * 
 * PUT /podcast-bot/podcasts/{podcastKey}/episodes/{episodeKey}/upload
 */
export const updateApiPodcastBotPodcastsPodcastKeyEpisodesEpisodeKeyUpload = async (args: UpdateApiPodcastBotPodcastsPodcastKeyEpisodesEpisodeKeyUploadArgs, options?: UpdateApiPodcastBotPodcastsPodcastKeyEpisodesEpisodeKeyUploadOptions) => {
const {baseUrl = "https://api.zeno.fm", fetch: fetchFn = fetch} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('content-type', "application/json")
headers.set('accept', "application/json")

const url = `${baseUrl.replace(/\/+$/, '')}/podcast-bot/podcasts/${encodeURIComponent(String(args.podcastKey))}/episodes/${encodeURIComponent(String(args.episodeKey))}/upload${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "PUT", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(pBEpisodeUploadResult, await res.json())
};