import {z} from 'zod'

export type APIVersion = 'v1';

export type DevToggles = {disable_token_validation?: boolean | undefined, disable_postgresql?: boolean | undefined, disable_mongodb?: boolean | undefined, disable_rate_limiter?: boolean | undefined, disable_concurrency_limiter?: boolean | undefined, disable_pubsub?: boolean | undefined, disable_language_detector?: boolean | undefined, disable_sentence_splitter?: boolean | undefined, disable_normalizer?: boolean | undefined, disable_phonemizer?: boolean | undefined, disable_stp?: boolean | undefined, disable_xcodec?: boolean | undefined, disable_transcript_validation?: boolean | undefined, disable_stp_short_target_standalone?: (boolean | null) | undefined};

export type AIModelVersion = 'async_flash_v1.0' | 'async_flash_v1.5' | 'async_pro_v1.0';

export type LanguageEnum = 'en' | 'fr' | 'it' | 'de' | 'es' | 'pt' | 'ar' | 'ru' | 'ro' | 'ja' | 'he' | 'hy' | 'tr' | 'hi' | 'zh' | 'cmn' | 'ur';

export type LangDetectionMode = 'llm' | 'fasttext';

export type VoiceIdSpecifier = {mode: 'id', id: string, __experimental_controls?: ({[key: string]: unknown} | null) | undefined};

export type RawOutputFormat = {container: 'raw', encoding?: ('pcm_f32le' | 'pcm_s16le' | 'pcm_mulaw') | undefined, sample_rate: number, bit_rate?: (number | null) | undefined};

export type WavOutputFormat = {container: 'wav', encoding?: ('pcm_f32le' | 'pcm_s16le') | undefined, sample_rate: number, bit_rate?: (number | null) | undefined};

export type Mp3OutputFormat = {container: 'mp3', encoding?: ('pcm_f32le' | 'pcm_s16le') | undefined, bit_rate?: number | undefined, sample_rate: number};

export type TTSRequest = {__dev_toggles?: (DevToggles | null) | undefined, model_id?: AIModelVersion | undefined, normalize?: boolean | undefined, experimental_streaming_mode?: boolean | undefined, experimental_stp_v2?: boolean | undefined, transcript: string, previous_request_id?: (string | null) | undefined, language?: (LanguageEnum | null) | undefined, lang_detection_mode?: LangDetectionMode | undefined, voice: VoiceIdSpecifier, output_format?: (RawOutputFormat | WavOutputFormat | Mp3OutputFormat) | undefined, sentence_splitter_chunk_size?: (number | null) | undefined, duration?: (number | null) | undefined, stability?: number | undefined, speed_control?: number | undefined};

export type CreateApiTextToSpeechWithSignedUrlOutputArgs = {version?: APIVersion | undefined, 'X-Api-Key'?: string | undefined, body: TTSRequest};

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

export const syncTTSWithSUAudioResponse = z.object({signed_url: z.string()});

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
};

/**
 * Sync Text To Speech With Signed Url Output
 * 
 * POST /text_to_speech/with_signed_url_output
 */
export const createApiTextToSpeechWithSignedUrlOutput = async (args: CreateApiTextToSpeechWithSignedUrlOutputArgs, options: CreateApiTextToSpeechWithSignedUrlOutputOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.version != null) headers.set("version", String(args.version))
if (args['X-Api-Key'] != null) headers.set("X-Api-Key", String(args['X-Api-Key']))

const url = `${baseUrl.replace(/\/+$/, '')}/text_to_speech/with_signed_url_output${query.size > 0 ? `?${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(syncTTSWithSUAudioResponse, await res.json())
};