import {z} from 'zod'

export type CogVideoX3Request = {model: 'cogvideox-3', prompt?: string | undefined, quality?: ('speed' | 'quality') | undefined, with_audio?: boolean | undefined, image_url?: (Array<string | string>) | undefined, size?: ('1280x720' | '720x1280' | '1024x1024' | '1920x1080' | '1080x1920' | '2048x1080' | '3840x2160') | undefined, fps?: (30 | 60) | undefined, duration?: (5 | 10) | undefined, request_id?: string | undefined, user_id?: string | undefined};

export type CreateApiPaasV4VideosGenerationsArgs = {'Accept-Language'?: 'en-US,en' | undefined, body: CogVideoX3Request};

export type CreateApiPaasV4VideosGenerationsOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const videoResponse = z.object({model: z.string().optional(), id: z.string().optional(), request_id: z.string().optional(), task_status: z.string().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
};

/**
 * CogVideoX is a video generation large model developed by Z.AI, equipped with powerful video generation capabilities. Simply inputting text or images allows for effortless video creation.
 * 
 * POST /paas/v4/videos/generations
 */
export const createApiPaasV4VideosGenerations = async (args: CreateApiPaasV4VideosGenerationsArgs, options?: CreateApiPaasV4VideosGenerationsOptions) => {
const {baseUrl = "https://api.z.ai/api", 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 (args['Accept-Language'] != null) headers.set("Accept-Language", String(args['Accept-Language']))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

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