import {z} from 'zod'

export type GetApiV1HotelsHotelIdArgs = {hotelId: number, locale?: string | undefined, view?: ('default' | 'detail') | undefined};

export type GetApiV1HotelsHotelIdOptions = {baseUrl?: string | undefined, oauth2?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiV1HotelsHotelIdResponse = z.object({hotelId: z.number(), name: z.string(), pageUrl: z.string(), star: z.number().optional(), review: z.object({score: z.number(), count: z.number()}).optional(), location: z.object({lat: z.number().optional(), lng: z.number().optional(), address: z.string().optional(), cityName: z.string().optional(), districtName: z.string().optional(), countryName: z.string().optional()}), propertyType: z.string().optional(), brandName: z.string().optional(), chainName: z.string().optional(), description: z.string().optional(), amenities: z.array(z.string()).optional(), images: z.array(z.string()).optional(), distanceToCityCentre: z.number().optional(), distanceToNearestAirport: z.number().optional(), categorizedImages: z.array(z.object({category: z.string(), images: z.array(z.object({url: z.string(), altText: z.string().optional()}))})).optional(), reviewHighlights: z.array(z.object({sentiment: z.string().optional(), text: z.string()})).optional(), highlights: z.array(z.object({text: z.string(), subtext: z.string().optional()})).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
};

/**
 * Get hotel detail
 * 
 * GET /v1/hotels/{hotelId}
 * 
 * Also accepts auth: bearerAuth
 */
export const getApiV1HotelsHotelId = async (args: GetApiV1HotelsHotelIdArgs, options?: GetApiV1HotelsHotelIdOptions) => {
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.locale != null) query.append("locale", String(args.locale))
if (args.view != null) query.append("view", String(args.view))
if (oauth2 !== undefined) headers.set('authorization', `Bearer ${oauth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/hotels/${encodeURIComponent(String(args.hotelId))}${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(getApiV1HotelsHotelIdResponse, await res.json())
};