import {z} from 'zod'

export type GetApiV1HotelsHotelIdRatesArgs = {hotelId: number, searchId: string, currency?: string | undefined, locale?: string | undefined};

export type GetApiV1HotelsHotelIdRatesOptions = {baseUrl?: string | undefined, oauth2?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiV1HotelsHotelIdRatesResponse = z.object({hotelId: z.number(), searchId: z.string(), currencyCode: z.string(), searchComplete: z.boolean(), stay: z.object({checkIn: z.string(), checkOut: z.string(), nights: z.number().int().gte(-9007199254740991).lte(9007199254740991), occupancy: z.object({adults: z.number().int().gte(-9007199254740991).lte(9007199254740991), childrenAges: z.array(z.number().int().gte(-9007199254740991).lte(9007199254740991)), rooms: z.number().int().gte(-9007199254740991).lte(9007199254740991)})}).optional(), rates: z.array(z.object({id: z.string(), roomName: z.string(), board: z.string().optional(), refundable: z.boolean(), cancellationPolicy: z.string().optional(), price: z.object({scope: z.literal("booking"), amountPerNight: z.number(), taxAmountPerNight: z.number().optional(), taxInclusive: z.boolean().optional(), localTaxPerNight: z.number().gte(0).optional(), totalLocalTax: z.number().gte(0).optional(), total: z.number().optional(), totalUsd: z.number(), currency: z.string(), deal: z.object({label: z.string().optional(), percentOff: z.number().int().gte(1).lte(99), wasPerNight: z.number().optional(), wasTotal: z.number().optional(), promoCode: z.string().optional()}).optional()}), roomsLeft: z.number().optional(), images: z.array(z.string()).optional()})), metadata: z.object({currencyCode: z.string(), currencyCodeSource: z.enum(["explicit", "default"]), locale: z.string(), localeSource: z.enum(["explicit", "default"])})});

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
};

/**
 * List a hotel's rooms & rates
 * 
 * GET /v1/hotels/{hotelId}/rates
 * 
 * Also accepts auth: bearerAuth
 */
export const getApiV1HotelsHotelIdRates = async (args: GetApiV1HotelsHotelIdRatesArgs, options?: GetApiV1HotelsHotelIdRatesOptions) => {
const {baseUrl = "https://api.wego.com", fetch: fetchFn = fetch, oauth2} = options ?? {}

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

if (args.searchId != null) query.append("searchId", String(args.searchId))
if (args.currency != null) query.append("currency", String(args.currency))
if (args.locale != null) query.append("locale", String(args.locale))
if (oauth2 !== undefined) headers.set('authorization', `Bearer ${oauth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/hotels/${encodeURIComponent(String(args.hotelId))}/rates${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(getApiV1HotelsHotelIdRatesResponse, await res.json())
};