import {z} from 'zod'

export type GetApiAudioAudioIdTranscriptionArgs = {audio_id: string, engine?: string | undefined, start?: number | undefined, end?: number | undefined};

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

export const getApiAudioAudioIdTranscriptionResponse = z.object({success: z.boolean().optional(), status: z.enum(["completed", "processing", "failed"]).optional(), data: z.object({transcript: z.array(z.object({text: z.string().optional(), start: z.number().optional(), end: z.number().optional()})).optional()}).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
};

/**
 * Get audio transcription
 * 
 * GET /audio/{audio_id}/transcription/
 */
export const getApiAudioAudioIdTranscription = async (args: GetApiAudioAudioIdTranscriptionArgs, options?: GetApiAudioAudioIdTranscriptionOptions) => {
const {baseUrl = "https://api.videodb.io", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (args.engine != null) query.append("engine", String(args.engine))
if (args.start != null) query.append("start", String(args.start))
if (args.end != null) query.append("end", String(args.end))
if (ApiKeyAuth !== undefined) headers.set("x-access-token", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/audio/${encodeURIComponent(String(args.audio_id))}/transcription/${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

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

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