import {z} from 'zod'

export type FocusHotelInSessionRequest = {hotel_id: number, criteria_hash: string};

export type CreateApiHotelSearchSessionsSessionIdHotelsArgs = {session_id: string, body: FocusHotelInSessionRequest};

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

export const money = z.object({amount: z.number().int(), currency: z.string()});

export const hotelObservedDeal = z.object({provider: z.enum(["Expedia", "Booking.com", "Hotel website"]), axel_total: money, public_total: money, savings_percent: z.number().int().gte(2).lte(99), link: z.string().nullable().optional(), check_in: z.string(), check_out: z.string(), axel_observed_at: z.string(), public_observed_at: z.string()});

export const mandatoryFee = z.object({name: z.string(), fee_type: z.string().nullable().optional(), unit_amount: money.nullable().optional(), pricing_unit: z.string().nullable().optional(), total: money.nullable().optional(), source: z.string().nullable().optional()});

export const exactPublicRateComparison = z.object({source: z.string().min(1), public_total: money, customer_total: money, savings_bucket_percent: z.number().int().gte(5).lte(90).multipleOf(5)});

export const hotelPrice = z.object({nightly_rate: money, total: money, member_nightly_rate: money.nullable().optional(), member_total: money.nullable().optional(), flight_discount: money.nullable().optional(), is_approximate: z.boolean(), cached_at: z.string(), room_name: z.string().nullable().optional(), provider: z.string().nullable().optional(), breakfast_included: z.boolean().nullable().optional(), is_refundable: z.boolean().nullable().optional(), free_cancellation_until: z.string().nullable().optional(), meal_plan: z.string().nullable().optional(), bed_type: z.string().nullable().optional(), mandatory_fees: z.array(mandatoryFee).optional(), retail_comparison_total: money.nullable().optional(), retail_comparison_nightly: money.nullable().optional(), exact_public_rate_comparison: exactPublicRateComparison.nullable().optional(), all_in_total: money.nullable().optional(), all_in_nightly: money.nullable().optional(), member_all_in_total: money.nullable().optional(), member_all_in_nightly: money.nullable().optional()});

export const comparePriceConfidence = z.enum(["estimated", "cached", "live", "detail"]);

export const comparePrice = z.object({nightly_rate: money, total: money, savings_percent: z.number(), confidence: comparePriceConfidence, source: z.string().optional(), provider: z.string().nullable().optional(), fetched_at: z.string().nullable().optional()});

export const hotelPriceProofPublic = z.object({provider: z.enum(["Expedia", "Booking.com", "Hotel website"]), axel_total: money, public_total: money, savings_percent: z.number().int().gte(2).lte(99), link: z.string().nullable().optional()});

export const hotelPriceProofTiming = z.object({percent_below_usual: z.number().int().gte(1).lte(99)});

export const hotelPriceProofProvider = z.object({provider: z.enum(["hotel_website", "expedia", "booking.com"]), total: money});

export const hotelPriceProofComparison = z.object({axel_total: money, check_in: z.string(), check_out: z.string(), adults: z.number().int().gte(1), children_ages: z.array(z.number().int()), providers: z.array(hotelPriceProofProvider)});

export const hotelPriceProof = z.object({checked_at: z.string(), expires_at: z.string(), breakfast_only: z.boolean().optional(), public: hotelPriceProofPublic.nullable().optional(), timing: hotelPriceProofTiming.nullable().optional(), comparison: hotelPriceProofComparison.nullable().optional()});

export const hotelMapPinKind = z.enum(["known_unpriced", "live_price", "unavailable", "pricing_failed"]);

export const hotelMapPin = z.object({hotel_id: z.number().int(), observed_winning_dates: z.number().int().gte(0).nullable().optional(), observed_deal: hotelObservedDeal.nullable().optional(), name: z.string(), latitude: z.number(), longitude: z.number(), star_rating: z.number().nullable().optional(), review_rating: z.number().nullable().optional(), review_rating_source: z.string().nullable().optional(), expedia_rating: z.number().gt(0).lte(10).nullable().optional(), google_rating: z.number().gt(0).lte(5).nullable().optional(), google_review_count: z.number().int().gt(0).nullable().optional(), comparison_property_key: z.string().nullable().optional(), hotel_chain: z.string().nullable().optional(), address: z.string(), city: z.string().nullable().optional(), country_code: z.string().nullable().optional(), amenities: z.array(z.string()).optional(), image_url: z.string().nullable().optional(), image_urls: z.array(z.string()).optional(), price: hotelPrice.nullable().optional(), compare_price: comparePrice.nullable().optional(), price_proof: hotelPriceProof.nullable().optional(), score: z.number().nullable().optional(), distance_km: z.number().nullable().optional(), cluster_id: z.string().nullable().optional(), cluster_below_zoom: z.number().int().nullable().optional(), debug: z.record(z.string(), z.unknown()).nullable().optional(), pin_kind: hotelMapPinKind, is_pick: z.boolean().optional()});

export const focusHotelInSessionResponse = z.object({payment_requirement: z.literal("pay_now").nullable().optional(), hotel_search_session_id: z.string(), criteria_hash: z.string().min(8), pin: hotelMapPin, update_mode: z.literal("price_patch")});

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
};

/**
 * Focus Hotel In Session
 * 
 * POST /hotel-search/sessions/{session_id}/hotels/
 */
export const createApiHotelSearchSessionsSessionIdHotels = async (args: CreateApiHotelSearchSessionsSessionIdHotelsArgs, options: CreateApiHotelSearchSessionsSessionIdHotelsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, HTTPBearer} = options ?? {}

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

if (HTTPBearer !== undefined) headers.set('authorization', `Bearer ${HTTPBearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/hotel-search/sessions/${encodeURIComponent(String(args.session_id))}/hotels/${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(focusHotelInSessionResponse, await res.json())
};