import {z} from 'zod'

export type GetApiV2RatesCalendarArgs = {houseId: number, roomTypeId: number, startDate: string, endDate: string};

export type GetApiV2RatesCalendarOptions = {baseUrl?: string | undefined, ApiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const lodgifyAppTypesMoney = z.number();

export const lodgifyApiRatesModelsV2CalendarPrice = z.object({min_stay: z.number().int().optional(), max_stay: z.number().int().optional(), price_per_day: lodgifyAppTypesMoney.optional(), price_per_additional_guest: lodgifyAppTypesMoney.optional(), additional_guests_starts_from: z.number().int().optional()});

export const lodgifyApiRatesModelsV2CalendarResponseItem = z.object({date: z.string().nullable().optional(), is_default: z.boolean().optional(), prices: z.array(lodgifyApiRatesModelsV2CalendarPrice).nullable().optional()});

export const lodgifyApiRatesModelsV2RateFeePrice = z.object({is_vat_exclusive: z.boolean().optional(), vat_percentage: z.number().optional(), rate_type: z.string().nullable().optional(), amount: lodgifyAppTypesMoney.optional(), percentage: z.number().nullable().optional()});

export const lodgifyApiRatesModelsV2RateFee = z.object({fee_name: z.string().nullable().optional(), fee_type: z.string().nullable().optional(), applied_for_nights: z.number().int().nullable().optional(), charge_type: z.string().nullable().optional(), frequency: z.string().nullable().optional(), price: lodgifyApiRatesModelsV2RateFeePrice.optional()});

export const lodgifyApiRatesModelsV2RatePrice = z.object({rate_type: z.string().nullable().optional(), amount: lodgifyAppTypesMoney.optional(), percentage: z.number().nullable().optional()});

export const lodgifyApiRatesModelsV2RateTax = z.object({tax_name: z.string().nullable().optional(), tax_type: z.string().nullable().optional(), charge_type: z.string().nullable().optional(), frequency: z.string().nullable().optional(), price: lodgifyApiRatesModelsV2RatePrice.optional()});

export const lodgifyRatesModelsV1DateRangeModel = z.object({lower: z.string().optional(), upper: z.string().optional()});

export const lodgifyApiRatesModelsV2RatePromotionCode = z.object({code: z.string().nullable().optional(), is_active: z.boolean().optional()});

export const lodgifyApiRatesModelsV2RatePromotion = z.object({name: z.string().nullable().optional(), price: lodgifyApiRatesModelsV2RatePrice.optional(), early_booker_days: z.number().int().nullable().optional(), last_minute_days: z.number().int().nullable().optional(), minimum_stay_days: z.number().int().nullable().optional(), booking_dates: z.array(lodgifyRatesModelsV1DateRangeModel).nullable().optional(), stay_dates: z.array(lodgifyRatesModelsV1DateRangeModel).nullable().optional(), codes: z.array(lodgifyApiRatesModelsV2RatePromotionCode).nullable().optional()});

export const lodgifyApiRatesModelsV2RateSettings = z.object({bookability: z.number().int().optional(), check_in_hour: z.number().int().nullable().optional(), check_out_hour: z.number().int().nullable().optional(), booking_window_days: z.number().int().optional(), advance_notice_days: z.number().int().optional(), advance_notice_hours: z.number().int().nullable().optional(), preparation_time_days: z.number().int().optional(), currency_code: z.string().nullable().optional(), vat: z.number().optional(), is_vat_exclusive: z.boolean().optional(), fees: z.array(lodgifyApiRatesModelsV2RateFee).nullable().optional(), taxes: z.array(lodgifyApiRatesModelsV2RateTax).nullable().optional(), promotions: z.array(lodgifyApiRatesModelsV2RatePromotion).nullable().optional()});

export const lodgifyApiRatesModelsV2CalendarResponse = z.object({calendar_items: z.array(lodgifyApiRatesModelsV2CalendarResponseItem).nullable().optional(), rate_settings: lodgifyApiRatesModelsV2RateSettings.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
};

/**
 * Nightly rates
 * 
 * GET /v2/rates/calendar
 */
export const getApiV2RatesCalendar = async (args: GetApiV2RatesCalendarArgs, options?: GetApiV2RatesCalendarOptions) => {
const {baseUrl = "https://api.lodgify.com", fetch: fetchFn = fetch, ApiKey} = options ?? {}

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

if (args.houseId != null) query.append("houseId", String(args.houseId))
if (args.roomTypeId != null) query.append("roomTypeId", String(args.roomTypeId))
if (args.startDate != null) query.append("startDate", String(args.startDate))
if (args.endDate != null) query.append("endDate", String(args.endDate))
if (ApiKey !== undefined) headers.set("X-ApiKey", ApiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/rates/calendar${query.size > 0 ? `?${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(lodgifyApiRatesModelsV2CalendarResponse, await res.json())
};