import {z} from 'zod'

export type GetApiV14SeasonArgs = {page?: number | undefined, limit?: number | undefined, selectFields?: (Array<'movieId' | 'poster' | 'number' | 'name' | 'enName' | 'duration' | 'description' | 'enDescription' | 'episodesCount' | 'airDate' | 'episodes' | 'updatedAt' | 'createdAt'>) | undefined, notNullFields?: (Array<'movieId' | 'poster.url' | 'poster.previewUrl' | 'number' | 'name' | 'enName' | 'episodesCount' | 'airDate' | 'duration' | 'description' | 'enDescription' | 'episodes.number' | 'episodes.name' | 'episodes.enName' | 'episodes.airDate' | 'episodes.date' | 'episodes.description' | 'episodes.enDescription' | 'updatedAt' | 'createdAt'>) | undefined, sortField?: (Array<'movieId' | 'poster.url' | 'poster.previewUrl' | 'number' | 'name' | 'enName' | 'episodesCount' | 'airDate' | 'duration' | 'description' | 'enDescription' | 'episodes.number' | 'episodes.name' | 'episodes.enName' | 'episodes.airDate' | 'episodes.date' | 'episodes.description' | 'episodes.enDescription' | 'updatedAt' | 'createdAt'>) | undefined, sortType?: Array<string> | undefined, movieId?: (Array<string> | null) | undefined, number?: (Array<string> | null) | undefined, 'episodes.number'?: (Array<string> | null) | undefined, airDate?: (Array<string> | null) | undefined, 'episodes.airDate'?: (Array<string> | null) | undefined, updatedAt?: (Array<string> | null) | undefined, createdAt?: (Array<string> | null) | undefined};

export type GetApiV14SeasonOptions = {baseUrl?: string | undefined, XAPIKEY?: string | undefined, fetch?: typeof fetch | undefined};

export const shortImage = z.object({url: z.string().nullable().optional(), previewUrl: z.string().nullable().optional()});

export const episodeV14 = z.object({number: z.number().optional(), name: z.string().optional(), enName: z.string().optional(), date: z.string().optional(), description: z.string().optional(), still: shortImage.optional(), airDate: z.string().optional(), enDescription: z.string().optional()});

export const seasonV14 = z.object({movieId: z.number().optional(), number: z.number().optional(), episodesCount: z.number().optional(), episodes: z.array(episodeV14).optional(), poster: shortImage.optional(), name: z.string().optional(), enName: z.string().optional(), duration: z.number().optional(), description: z.string().optional(), enDescription: z.string().optional(), airDate: z.string().optional(), updatedAt: z.string(), createdAt: z.string()});

export const seasonDocsResponseDtoV14 = z.object({docs: z.array(seasonV14), total: z.number(), limit: z.number(), page: z.number(), pages: z.number()});

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
};

/**
 * Поиск сезонов
 * 
 * GET /v1.4/season
 */
export const getApiV14Season = async (args: GetApiV14SeasonArgs, options?: GetApiV14SeasonOptions) => {
const {baseUrl = "https://api.kinopoisk.dev", fetch: fetchFn = fetch, XAPIKEY} = 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))
for (const item of args.selectFields ?? []) query.append("selectFields", String(item))
for (const item of args.notNullFields ?? []) query.append("notNullFields", String(item))
for (const item of args.sortField ?? []) query.append("sortField", String(item))
for (const item of args.sortType ?? []) query.append("sortType", String(item))
for (const item of args.movieId ?? []) query.append("movieId", String(item))
for (const item of args.number ?? []) query.append("number", String(item))
for (const item of args['episodes.number'] ?? []) query.append("episodes.number", String(item))
for (const item of args.airDate ?? []) query.append("airDate", String(item))
for (const item of args['episodes.airDate'] ?? []) query.append("episodes.airDate", String(item))
for (const item of args.updatedAt ?? []) query.append("updatedAt", String(item))
for (const item of args.createdAt ?? []) query.append("createdAt", String(item))
if (XAPIKEY !== undefined) headers.set("X-API-KEY", XAPIKEY)

const url = `${baseUrl.replace(/\/+$/, '')}/v1.4/season${query.size > 0 ? `?${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(seasonDocsResponseDtoV14, await res.json())
};