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

import { GetCampaignPagesByHotelUid } from "../../../graphql/Query/CampaignPage/CampaignPagesByHotelUid.graphql"
import { request } from "../../../graphql/request"
import { generateTag } from "../../../utils/generateTag"
import { campaignPagesByHotelUidSchema } from "./output"

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

import type {
  CarouselCardsBlock,
  GetCampaignPagesByHotelUidData,
} from "../../../types/campaignPage"

export function getCarouselCardsBlockWithBookingCodeLinks(
  block: CarouselCardsBlock,
  bookingCode: string | null
): CarouselCardsBlock {
  if (!bookingCode) {
    return block
  }

  const { link, cards, ...carousel_cards } = block.carousel_cards
  return {
    ...block,
    carousel_cards: {
      ...carousel_cards,
      link: link
        ? {
            ...link,
            href: `${link.href}?bookingCode=${bookingCode}`,
          }
        : undefined,
      cards: cards.map(({ link, ...card }) => ({
        ...card,
        link: link
          ? {
              ...link,
              href: `${link.href}?bookingCode=${bookingCode}`,
            }
          : undefined,
      })),
    },
  }
}

export async function getCampaignPagesByHotelPageUid(
  hotelPageUid: string,
  lang: Lang
) {
  const today = dt().format("YYYY-MM-DD")

  const getCampaignPagesByHotelUidCounter = createCounter(
    "trpc.contentstack.campaignPage.byHotelUid.get"
  )
  const metricsGetCampaignPagesByHotelUid =
    getCampaignPagesByHotelUidCounter.init({
      lang,
      hotelPageUid,
      today,
    })

  metricsGetCampaignPagesByHotelUid.start()

  const variables = {
    locale: lang,
    hotelPageUid,
    today,
  }

  const response = await request<GetCampaignPagesByHotelUidData>(
    GetCampaignPagesByHotelUid,
    variables,
    {
      key: generateTag(lang, `${hotelPageUid}-${today}`),
      ttl: "1d",
    }
  )

  if (!response.data) {
    metricsGetCampaignPagesByHotelUid.noDataError()
    return null
  }

  const validatedResponse = campaignPagesByHotelUidSchema.safeParse(
    response.data
  )

  if (!validatedResponse.success) {
    metricsGetCampaignPagesByHotelUid.validationError(validatedResponse.error)
    return null
  }

  metricsGetCampaignPagesByHotelUid.success()

  return validatedResponse.data
}