import { createCounter } from "@scandic-hotels/common/telemetry"

import { router } from "../../.."
import { notFoundError } from "../../../errors"
import { GetHotelPage } from "../../../graphql/Query/HotelPage/HotelPage.graphql"
import { request } from "../../../graphql/request"
import { contentstackExtendedProcedureUID } from "../../../procedures"
import { generateTag } from "../../../utils/generateTag"
import { getCampaignPagesByHotelPageUid } from "../campaignPage/utils"
import { hotelPageSchema } from "./output"
import { getSortedCampaigns } from "./utils"

import type { GetHotelPageData } from "../../../types/hotelPage"

export const hotelPageQueryRouter = router({
  get: contentstackExtendedProcedureUID.query(async ({ ctx }) => {
    const { lang, uid } = ctx

    const getHotelPageCounter = createCounter("trpc.contentstack.hotelPage.get")
    const metricsGetHotelPage = getHotelPageCounter.init({ lang, uid })

    metricsGetHotelPage.start()

    const variables = { locale: lang, uid }
    const hotelPageResponse = await request<GetHotelPageData>(
      GetHotelPage,
      variables,
      {
        key: generateTag(lang, uid),
        ttl: "max",
      }
    )

    if (!hotelPageResponse.data) {
      metricsGetHotelPage.noDataError()

      throw notFoundError({
        message: "GetHotelPage returned no data",
        errorDetails: variables,
      })
    }

    const validatedHotelPage = hotelPageSchema.safeParse(hotelPageResponse.data)

    if (!validatedHotelPage.success) {
      metricsGetHotelPage.validationError(validatedHotelPage.error)
      return null
    }

    metricsGetHotelPage.success()

    const hotelCampaigns = await getCampaignPagesByHotelPageUid(uid, lang)

    const hotelPage = validatedHotelPage.data.hotel_page
    const { prioritizedCampaigns, ...campaignsBlockContent } =
      hotelPage.campaigns
    return {
      ...hotelPage,
      campaignsBlock: hotelCampaigns?.length
        ? {
            ...campaignsBlockContent,
            campaigns: getSortedCampaigns(prioritizedCampaigns, hotelCampaigns),
          }
        : null,
    }
  }),
})