import { BreakfastPackageEnum } from "@scandic-hotels/trpc/enums/breakfast"
import { ChildBedMapEnum } from "@scandic-hotels/trpc/enums/childBedMapEnum"
import { PackageTypeEnum } from "@scandic-hotels/trpc/enums/packages"
import {
  breakfastPackageSchema,
  packageSchema,
} from "@scandic-hotels/trpc/routers/hotels/schemas/packages"

import type { Package } from "@scandic-hotels/trpc/types/packages"

import type { BreakfastPackage } from "@/types/components/hotelReservation/breakfast"
import type { Room } from "@/types/stores/booking-confirmation"

export function mapToPrice(rooms: (Room | null)[], nights: number) {
  return rooms
    .filter((room): room is Room => !!room)
    .map((room) => {
      let price
      if (room.cheques) {
        price = {
          corporateCheque: {
            additionalPricePerStay: room.roomPrice ? room.roomPrice : undefined,
            currency: room.roomPrice ? room.currencyCode : undefined,
            numberOfCheques: room.cheques,
          },
        }
      } else if (room.roomPoints) {
        price = {
          redemption: {
            additionalPricePerStay: room.roomPrice ? room.roomPrice : undefined,
            currency: room.roomPrice ? room.currencyCode : undefined,
            pointsPerNight: room.roomPoints / nights,
            pointsPerStay: room.roomPoints,
          },
        }
      } else if (room.vouchers) {
        price = {
          voucher: {
            numberOfVouchers: room.vouchers,
          },
        }
      } else {
        price = {
          regular: {
            currency: room.currencyCode,
            pricePerNight: room.roomPrice / nights,
            pricePerStay: room.roomPrice,
          },
        }
      }

      let breakfast:
        | false
        | undefined
        | Omit<BreakfastPackage, "requestedPrice">
      if (room.breakfast) {
        const breakfastPackage = breakfastPackageSchema.safeParse({
          code: room.breakfast?.code,
          description: room.breakfast?.description,
          localPrice: {
            currency: room.breakfast?.currency,
            price: room.breakfast?.unitPrice,
            totalPrice: room.breakfast?.totalPrice,
          },
          packageType:
            room.breakfast?.code === BreakfastPackageEnum.REGULAR_BREAKFAST
              ? PackageTypeEnum.BreakfastAdult
              : "",
          requestedPrice: {
            currency: room.breakfast?.currency,
            price: room.breakfast?.unitPrice,
            totalPrice: room.breakfast?.totalPrice,
          },
        })
        if (breakfastPackage.success) {
          breakfast = breakfastPackage.data
        }
      }

      if (!room.breakfastIncluded && !breakfast) {
        breakfast = false
      }

      const packages = room.roomFeatures
        ?.map((featPkg) => {
          const pkg = packageSchema.safeParse({
            code: featPkg.code,
            description: featPkg.description,
            inventories: [],
            localPrice: {
              currency: featPkg.currency,
              price: featPkg.unitPrice,
              totalPrice: featPkg.totalPrice,
            },
            requestedPrice: {
              currency: featPkg.currency,
              price: featPkg.unitPrice,
              totalPrice: featPkg.totalPrice,
            },
          })
          if (pkg.success) {
            return pkg.data
          }
          return null
        })
        .filter((pkg): pkg is Package => !!pkg)

      return {
        ...room,
        adults: room.adults,
        bedType: {
          description: room.bedDescription,
          roomTypeCode: room.roomTypeCode || "",
          type: room.bedType,
        },
        breakfast,
        breakfastIncluded: room.rateDefinition.breakfastIncluded,
        childrenInRoom: room.childrenAges?.map((age) => ({
          age,
          bed: ChildBedMapEnum.UNKNOWN,
        })),
        packages,
        price,
        roomType: room.name,
      }
    })
}