import {z} from 'zod'

export type GetApi3MovieUpcomingArgs = {language?: string | undefined, page?: number | undefined, region?: string | undefined};

export type GetApi3MovieUpcomingOptions = {baseUrl?: string | undefined, sec0?: string | undefined, fetch?: typeof fetch | undefined};

export const getApi3MovieUpcomingResponse = z.object({dates: z.object({maximum: z.string().optional(), minimum: z.string().optional()}).optional(), page: z.number().int().optional(), results: z.array(z.object({adult: z.boolean().optional(), backdrop_path: z.string().optional(), genre_ids: z.array(z.number().int()).optional(), id: z.number().int().optional(), original_language: z.string().optional(), original_title: z.string().optional(), overview: z.string().optional(), popularity: z.number().optional(), poster_path: z.string().optional(), release_date: z.string().optional(), title: z.string().optional(), video: z.boolean().optional(), vote_average: z.number().int().optional(), vote_count: z.number().int().optional()})).optional(), total_pages: z.number().int().optional(), total_results: z.number().int().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
};

/**
 * Upcoming
 * 
 * GET /3/movie/upcoming
 */
export const getApi3MovieUpcoming = async (args: GetApi3MovieUpcomingArgs, options?: GetApi3MovieUpcomingOptions) => {
const {baseUrl = "https://api.themoviedb.org", fetch: fetchFn = fetch, sec0} = options ?? {}

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

if (args.language != null) query.append("language", String(args.language))
if (args.page != null) query.append("page", String(args.page))
if (args.region != null) query.append("region", String(args.region))
if (sec0 !== undefined) headers.set("Authorization", sec0)

const url = `${baseUrl.replace(/\/+$/, '')}/3/movie/upcoming${query.size > 0 ? `?${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(getApi3MovieUpcomingResponse, await res.json())
};