import {z} from 'zod'

export type GetApiPaasV4VoiceListArgs = {voiceName?: string | undefined, voiceType?: ('PRIVATE' | 'OFFICIAL') | undefined};

export type GetApiPaasV4VoiceListOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const voiceVO = z.object({voice: z.string().optional(), voice_name: z.string().optional(), voice_type: z.string().optional(), download_url: z.string().optional(), create_time: z.string().optional()});

export const voiceListResponse = z.object({voice_list: z.array(voiceVO).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
};

/**
 * 音色列表
 * 
 * GET /paas/v4/voice/list
 */
export const getApiPaasV4VoiceList = async (args: GetApiPaasV4VoiceListArgs, options?: GetApiPaasV4VoiceListOptions) => {
const {baseUrl = "https://open.bigmodel.cn/api", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args.voiceName != null) query.append("voiceName", String(args.voiceName))
if (args.voiceType != null) query.append("voiceType", String(args.voiceType))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/paas/v4/voice/list${query.size > 0 ? `?${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(voiceListResponse, await res.json())
};