import {z} from 'zod'

export type GetApiOcapiV1FilmScreeningDatesArgs = {siteIds?: Array<string> | undefined, filmIds?: Array<string> | undefined, 'Connect-Region-Code'?: string | undefined};

export type GetApiOcapiV1FilmScreeningDatesOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const ocapiV1BrowsingMasterDataFilmScreeningsFilmScreeningSite = z.object({siteId: z.string().min(1), showtimeAttributeIds: z.array(z.string())});

export const ocapiV1BrowsingMasterDataFilmScreeningsFilmScreening = z.object({filmId: z.string().min(1), sites: z.array(ocapiV1BrowsingMasterDataFilmScreeningsFilmScreeningSite)});

export const ocapiV1BrowsingMasterDataFilmScreeningsFilmScreeningDate = z.object({businessDate: z.string(), filmScreenings: z.array(ocapiV1BrowsingMasterDataFilmScreeningsFilmScreening)});

export const ocapiV1BrowsingMasterDataFilmScreeningsFilmScreeningDateListDetails = z.object({filmScreeningDates: z.array(ocapiV1BrowsingMasterDataFilmScreeningsFilmScreeningDate)});

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
};

/**
 * Gets Screening Dates
 * 
 * GET /ocapi/v1/film-screening-dates
 */
export const getApiOcapiV1FilmScreeningDates = async (args: GetApiOcapiV1FilmScreeningDatesArgs, options: GetApiOcapiV1FilmScreeningDatesOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

for (const item of args.siteIds ?? []) query.append("siteIds", String(item))
for (const item of args.filmIds ?? []) query.append("filmIds", String(item))
if (args['Connect-Region-Code'] != null) headers.set("Connect-Region-Code", String(args['Connect-Region-Code']))

const url = `${baseUrl.replace(/\/+$/, '')}/ocapi/v1/film-screening-dates${query.size > 0 ? `?${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(ocapiV1BrowsingMasterDataFilmScreeningsFilmScreeningDateListDetails, await res.json())
};