import {z} from 'zod'

export type GetApiV14MovieSearchArgs = {page?: number | undefined, limit?: number | undefined, query: string};

export type GetApiV14MovieSearchOptions = {baseUrl?: string | undefined, XAPIKEY?: string | undefined, fetch?: typeof fetch | undefined};

export const name = z.object({name: z.string().optional(), language: z.string().nullable().optional(), type: z.string().nullable().optional()});

export const externalId = z.object({kpHD: z.string().nullable().optional(), imdb: z.string().nullable().optional(), tmdb: z.number().nullable().optional()});

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

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

export const rating = z.object({kp: z.number().nullable().optional(), imdb: z.number().nullable().optional(), tmdb: z.number().nullable().optional(), filmCritics: z.number().nullable().optional(), russianFilmCritics: z.number().nullable().optional(), await: z.number().nullable().optional()});

export const votes = z.object({kp: z.string().nullable().optional(), imdb: z.number().nullable().optional(), tmdb: z.number().nullable().optional(), filmCritics: z.number().nullable().optional(), russianFilmCritics: z.number().nullable().optional(), await: z.number().nullable().optional()});

export const itemName = z.object({name: z.string().optional()});

export const yearRange = z.object({start: z.number().nullable().optional(), end: z.number().nullable().optional()});

export const searchMovieDtoV14 = z.object({id: z.number(), name: z.string(), alternativeName: z.string(), enName: z.string(), type: z.string(), year: z.number(), description: z.string(), shortDescription: z.string(), movieLength: z.number(), names: z.array(name), externalId: externalId.nullable().optional(), logo: logo.optional(), poster: shortImage.optional(), backdrop: shortImage.optional(), rating: rating.optional(), votes: votes.optional(), genres: z.array(itemName).optional(), countries: z.array(itemName).optional(), releaseYears: z.array(yearRange).optional(), isSeries: z.boolean(), ticketsOnSale: z.boolean(), totalSeriesLength: z.number(), seriesLength: z.number(), ratingMpaa: z.string(), ageRating: z.number(), top10: z.number().nullable().optional(), top250: z.number().nullable().optional(), typeNumber: z.number(), status: z.string(), internalNames: z.array(z.string()), internalRating: z.number(), internalVotes: z.number()});

export const searchMovieResponseDtoV14 = z.object({docs: z.array(searchMovieDtoV14), 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 фильмов по названию
 * 
 * GET /v1.4/movie/search
 */
export const getApiV14MovieSearch = async (args: GetApiV14MovieSearchArgs, options?: GetApiV14MovieSearchOptions) => {
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))
if (args.query != null) query.append("query", String(args.query))
if (XAPIKEY !== undefined) headers.set("X-API-KEY", XAPIKEY)

const url = `${baseUrl.replace(/\/+$/, '')}/v1.4/movie/search${query.size > 0 ? `?${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(searchMovieResponseDtoV14, await res.json())
};