import {z} from 'zod'

export type VideoExtensionRequest = {prompt: string, video: {url?: string | undefined}, duration?: number | undefined, model?: 'grok-imagine-video' | undefined};

export type CreateApiGrokV1VideosExtensionsArgs = {body: VideoExtensionRequest};

export type CreateApiGrokV1VideosExtensionsOptions = {baseUrl?: string | undefined, CustomApiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const createApiGrokV1VideosExtensionsResponse = z.object({request_id: 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
};

/**
 * Extend a video by generating continuation content. This is an asynchronous operation that returns a request_id for polling.<br/><br/>**Note: Synced with official rules, content moderation failure will also be charged.**
 * 
 * POST /grok/v1/videos/extensions
 */
export const createApiGrokV1VideosExtensions = async (args: CreateApiGrokV1VideosExtensionsArgs, options?: CreateApiGrokV1VideosExtensionsOptions) => {
const {baseUrl = "https://api.ttapi.io", fetch: fetchFn = fetch, CustomApiKey} = options ?? {}

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

if (CustomApiKey !== undefined) headers.set("TT-API-KEY", CustomApiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/grok/v1/videos/extensions${query.size > 0 ? `?${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(createApiGrokV1VideosExtensionsResponse, await res.json())
};