import {z} from 'zod'

export type CreateApiSttV1AsyncTranscriptsArgs = {body: {audio: {source: {url: string}}, sttConfig?: ({model?: 'general' | undefined, language?: ('ko-KR' | 'en-US' | 'mixed' | 'ja-JP' | 'cmn-Hans-CN' | 'de-DE' | 'fr-FR' | 'es-ES' | 'it-IT' | 'nl-NL' | 'sv-SE' | 'hi-IN' | 'ru-RU' | 'vi-VN' | 'th-TH' | 'id-ID' | 'fa-IR' | 'cs-CZ') | undefined, keywordBoost?: ({enable?: boolean | undefined, keywords?: Array<string> | undefined, boost?: number | undefined}) | undefined, multiChannel?: ({channelCount?: number | undefined}) | undefined, speakerDiarization?: ({enable?: boolean | undefined, speakerCountHint?: number | undefined}) | undefined}) | undefined, nlpConfig?: ({keywordExtraction?: ({enable?: boolean | undefined, maxCount?: number | undefined}) | undefined, sentimentAnalysis?: ({enable?: boolean | undefined}) | undefined}) | undefined, callback?: ({url?: string | undefined, headers?: Record<string, never> | undefined}) | undefined, callbackUrl?: string | undefined, custom?: Record<string, never> | undefined}};

export type CreateApiSttV1AsyncTranscriptsOptions = {baseUrl: string, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const createApiSttV1AsyncTranscriptsResponse = z.object({rid: z.string().optional(), fileName: z.string().optional(), custom: z.object({}).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
};

/**
 * Send long audio to transcribe
 * 
 * POST /stt/v1/async/transcripts
 */
export const createApiSttV1AsyncTranscripts = async (args: CreateApiSttV1AsyncTranscriptsArgs, options: CreateApiSttV1AsyncTranscriptsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/stt/v1/async/transcripts${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", 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(createApiSttV1AsyncTranscriptsResponse, await res.json())
};