import {z} from 'zod'

export type GetApiPublicYoutubeRelatedVideoIdArgs = {page?: string | undefined, limit?: string | undefined};

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

export const getApiPublicYoutubeRelatedVideoIdResponse = z.object({data: z.object({currentPageItems: z.number().optional(), data: z.array(z.object({items: z.object({contentDetails: z.object({caption: z.string().optional(), contentRating: z.object({}).optional(), definition: z.string().optional(), dimension: z.string().optional(), duration: z.string().optional(), licensedContent: z.boolean().optional(), projection: z.string().optional()}).optional(), id: z.string().optional(), kind: z.string().optional(), snippet: z.object({categoryId: z.string().optional(), channelId: z.string().optional(), channelTitle: z.string().optional(), defaultAudioLanguage: z.string().optional(), description: z.string().optional(), liveBroadcastContent: z.string().optional(), localized: z.object({description: z.string().optional(), title: z.string().optional()}).optional(), publishedAt: z.string().optional(), tags: z.array(z.string()).optional(), thumbnails: z.object({default: z.object({height: z.number().optional(), url: z.string().optional(), width: z.number().optional()}).optional(), high: z.object({height: z.number().optional(), url: z.string().optional(), width: z.number().optional()}).optional(), maxres: z.object({height: z.number().optional(), url: z.string().optional(), width: z.number().optional()}).optional(), medium: z.object({height: z.number().optional(), url: z.string().optional(), width: z.number().optional()}).optional(), standard: z.object({height: z.number().optional(), url: z.string().optional(), width: z.number().optional()}).optional()}).optional(), title: z.string().optional()}).optional(), statistics: z.object({commentCount: z.string().optional(), favoriteCount: z.string().optional(), likeCount: z.string().optional(), viewCount: z.string().optional()}).optional()}).optional(), kind: z.string().optional()})).optional(), limit: z.number().optional(), nextPage: z.boolean().optional(), page: z.number().optional(), previousPage: z.boolean().optional(), totalItems: z.number().optional(), totalPages: z.number().optional()}).optional(), message: z.string().optional(), statusCode: z.number().optional(), success: z.boolean().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
};

/**
 * Get related videos
 * 
 * GET /public/youtube/related/{videoId}
 */
export const getApiPublicYoutubeRelatedVideoId = async (args: GetApiPublicYoutubeRelatedVideoIdArgs, options?: GetApiPublicYoutubeRelatedVideoIdOptions) => {
const {baseUrl = "https://api.freeapi.app/api/v1", fetch: fetchFn = fetch} = options ?? {}

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

if (args.page != null) query.append("page", String(args.page))
if (args.limit != null) query.append("limit", String(args.limit))

const url = `${baseUrl.replace(/\/+$/, '')}/public/youtube/related/${encodeURIComponent(String(args.videoId))}${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(getApiPublicYoutubeRelatedVideoIdResponse, await res.json())
};