import { getCacheClient } from "@scandic-hotels/common/dataCache"
import { chunk } from "@scandic-hotels/common/utils/chunk"

import { getHotelPageUrls } from "../../contentstack/hotelPage/utils"
import { getHotel } from "./getHotel"

import type { Lang } from "@scandic-hotels/common/constants/language"

import type { HotelListingHotelData } from "../../../types/hotel"

export async function getHotelsByHotelIds({
  hotelIds,
  lang,
  serviceToken,
  contentType = "hotel",
}: {
  hotelIds: string[]
  lang: Lang
  serviceToken: string
  contentType?: "hotel" | "restaurant" | "meeting"
}) {
  const cacheClient = await getCacheClient()
  const cacheKey = `${lang}:getHotelsByHotelIds:hotels:${contentType}:${[...hotelIds].sort().join(",")}`

  return await cacheClient.cacheOrGet(
    cacheKey,
    async () => {
      const hotelPages = await getHotelPageUrls(lang)
      const chunkedHotelIds = chunk(hotelIds, 10)

      const hotels: HotelListingHotelData[] = []
      for (const hotelIdChunk of chunkedHotelIds) {
        const chunkedHotels = await Promise.all(
          hotelIdChunk.map(async (hotelId) => {
            const hotelResponse = await getHotel(
              { hotelId, language: lang, isCardOnlyPayment: false },
              serviceToken
            )

            if (!hotelResponse) {
              throw new Error(`Hotel not found: ${hotelId}`)
            }

            const hotelPage = hotelPages.find(
              (page) => page.hotelId === hotelId
            )
            const { hotel, cities, additionalData } = hotelResponse

            const content = {
              description: hotel.hotelContent?.texts.descriptions?.short,
              galleryImages: hotel.galleryImages,
              url: hotelPage?.url ?? "",
              openInNewTab: false,
            }

            if (contentType === "restaurant") {
              const restaurantDescription =
                additionalData?.restaurantsOverviewPage
                  .restaurantsContentDescriptionShort
              const restaurantImages =
                additionalData.restaurantImages?.heroImages
              if (restaurantDescription) {
                content.description = restaurantDescription
              }
              if (restaurantImages && restaurantImages.length > 0) {
                content.galleryImages = restaurantImages
              }
            } else if (contentType === "meeting") {
              const meetingDescription =
                hotel.hotelContent.texts.meetingDescription?.short
              const meetingImages =
                additionalData?.conferencesAndMeetings?.heroImages
              if (meetingDescription) {
                content.description = meetingDescription
              }
              if (meetingImages && meetingImages.length > 0) {
                content.galleryImages = meetingImages
              }
            }

            const data: HotelListingHotelData = {
              hotel: {
                id: hotel.id,
                countryCode: hotel.countryCode,
                galleryImages: content.galleryImages,
                name: hotel.name,
                tripadvisor: hotel.ratings?.tripAdvisor?.rating || null,
                detailedFacilities: hotel.detailedFacilities.sort(
                  (a, b) => b.sortOrder - a.sortOrder
                ),
                location: hotel.location,
                hotelType: hotel.hotelType,
                type: hotel.type,
                address: hotel.address,
                cityIdentifier: cities[0]?.cityIdentifier || null,
                description: content.description || null,
              },
              url: content.url,
              meetingUrl: additionalData.meetingRooms.meetingOnlineLink || null,
            }

            return data
          })
        )

        hotels.push(...chunkedHotels)
      }
      return hotels.filter((hotel): hotel is HotelListingHotelData => !!hotel)
    },
    "1d"
  )
}