import type { Price } from "@/types/components/hotelReservation/price"
import {
  type RoomPackage,
  RoomPackageCodeEnum,
} from "@/types/components/hotelReservation/selectRate/roomFilter"
import type { Rate } from "@/types/components/hotelReservation/selectRate/selectRate"
import { CurrencyEnum } from "@/types/enums/currency"

export const calculateTotalPrice = (
  selectedRateSummary: Rate[],
  isUserLoggedIn: boolean,
  petRoomPackage: RoomPackage | undefined
) => {
  return selectedRateSummary.reduce<Price>(
    (total, room, idx) => {
      const rate =
        isUserLoggedIn && room.member && idx + 1 === 1
          ? room.member
          : room.public

      if (!rate) {
        return total
      }

      const isPetRoom = room.features.find(
        (feature) => feature.code === RoomPackageCodeEnum.PET_ROOM
      )

      let petRoomPrice = 0
      if (
        petRoomPackage &&
        isPetRoom &&
        room.package === RoomPackageCodeEnum.PET_ROOM
      ) {
        petRoomPrice = Number(petRoomPackage.localPrice.totalPrice)
      }

      const regularPrice = rate.localPrice.regularPricePerStay
        ? (total.local.regularPrice || 0) +
          (rate.localPrice.regularPricePerStay || 0)
        : undefined

      return {
        local: {
          currency: rate.localPrice.currency,
          price:
            total.local.price + rate.localPrice.pricePerStay + petRoomPrice,
          regularPrice,
        },
        requested: rate.requestedPrice
          ? {
              currency: rate.requestedPrice.currency,
              price:
                (total.requested?.price ?? 0) +
                rate.requestedPrice.pricePerStay +
                petRoomPrice,
            }
          : undefined,
      }
    },
    {
      local: {
        currency: (selectedRateSummary[0].public?.localPrice.currency ||
          selectedRateSummary[0].member?.localPrice.currency)!,
        price: 0,
        regularPrice: undefined,
      },
      requested: undefined,
    }
  )
}

export const calculateVoucherPrice = (selectedRateSummary: Rate[]) => {
  return selectedRateSummary.reduce<Price>(
    (total, room) => {
      const rate = room.voucher
      if (!rate) {
        return total
      }

      return <Price>{
        local: {
          currency: total.local.currency,
          price: total.local.price + rate.numberOfVouchers,
        },
        requested: undefined,
      }
    },
    {
      local: {
        currency: CurrencyEnum.Voucher,
        price: 0,
      },
      requested: undefined,
    }
  )
}

export const calculateChequePrice = (selectedRateSummary: Rate[]) => {
  return selectedRateSummary.reduce<Price>(
    (total, room) => {
      const rate = room.bonusCheque
      if (!rate) {
        return total
      }

      const price = total.local.price + rate.localPrice.numberOfBonusCheques

      const additionalPrice =
        rate.localPrice.numberOfBonusCheques &&
        (total.local.additionalPrice ?? 0) +
          (rate.localPrice.additionalPricePerStay ?? 0)
      const additionalPriceCurrency = (rate.localPrice.numberOfBonusCheques &&
        rate.localPrice.currency)!

      const requestedPrice = rate.requestedPrice?.numberOfBonusCheques
        ? (total.requested?.price ?? 0) +
          rate.requestedPrice?.numberOfBonusCheques
        : total.requested?.price

      const requestedAdditionalPrice =
        rate.requestedPrice?.additionalPricePerStay &&
        (total.requested?.additionalPrice ?? 0) +
          (rate.requestedPrice?.additionalPricePerStay ?? 0)

      return <Price>{
        local: {
          currency: CurrencyEnum.CC,
          price,
          additionalPrice,
          additionalPriceCurrency,
        },
        requested: rate.requestedPrice
          ? {
              currency: CurrencyEnum.CC,
              price: requestedPrice,
              additionalPrice: requestedAdditionalPrice,
              additionalPriceCurrency: rate.requestedPrice?.currency,
            }
          : undefined,
      }
    },
    {
      local: {
        currency: CurrencyEnum.CC,
        price: 0,
      },
      requested: undefined,
    }
  )
}