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

import { router } from "../../.."
import { notFoundError } from "../../../errors"
import {
  GetPromoCampaignPage,
  GetPromoCampaignPageRefs,
} from "../../../graphql/Query/PromoCampaignPage/PromoCampaignPage.graphql"
import { request } from "../../../graphql/request"
import { contentStackUidWithServiceProcedure } from "../../../procedures"
import { generateRefsResponseTag } from "../../../utils/generateTag"
import { promoCampaignPageRefsSchema, promoCampaignPageSchema } from "./output"
import { generatePageTags } from "./utils"

import type {
  GetPromoCampaignPageData,
  GetPromoCampaignPageRefsData,
} from "../../../types/promoCampaignPage"
import type { TrackingPageData } from "../../types"

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

    const getPromoCampaignPageRefsCounter = createCounter(
      "trpc.contentstack.promoCampaignPage.get.refs"
    )
    const metricsGetPromoCampaignPageRefs =
      getPromoCampaignPageRefsCounter.init({
        lang,
        uid,
      })

    metricsGetPromoCampaignPageRefs.start()

    const refsResponse = await request<GetPromoCampaignPageRefsData>(
      GetPromoCampaignPageRefs,
      { locale: lang, uid },
      {
        key: generateRefsResponseTag(lang, uid),
        ttl: "max",
      }
    )
    if (!refsResponse.data) {
      metricsGetPromoCampaignPageRefs.noDataError()
      throw notFoundError({
        message: "GetPromoCampaignPageRefs returned no data",
        errorDetails: { lang, uid },
      })
    }

    const validatedRefsData = promoCampaignPageRefsSchema.safeParse(
      refsResponse.data
    )
    if (!validatedRefsData.success) {
      metricsGetPromoCampaignPageRefs.validationError(validatedRefsData.error)
      return null
    }

    metricsGetPromoCampaignPageRefs.success()

    const tags = generatePageTags(validatedRefsData.data, lang)

    const getPromoCampaignPageCounter = createCounter(
      "trpc.contentstack.promoCampaignPage.get"
    )
    const metricsGetPromoCampaignPage = getPromoCampaignPageCounter.init({
      lang,
      uid,
    })

    metricsGetPromoCampaignPage.start()

    const response = await request<GetPromoCampaignPageData>(
      GetPromoCampaignPage,
      {
        locale: lang,
        uid,
      },
      {
        key: tags,
        ttl: "max",
      }
    )
    if (!response.data) {
      metricsGetPromoCampaignPage.noDataError()
      throw notFoundError({
        message: "GetPromoCampaignPage returned no data",
        errorDetails: { lang, uid },
      })
    }

    const validatedResponse = promoCampaignPageSchema.safeParse(response.data)

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

    const { promo_campaign_page, trackingProps } = validatedResponse.data

    metricsGetPromoCampaignPage.success()

    const system = promo_campaign_page.system
    const pageName = trackingProps.url

    const tracking: TrackingPageData = {
      pageId: system.uid,
      domainLanguage: system.locale,
      publishDate: system.updated_at,
      createDate: system.created_at,
      channel: "promo-campaign",
      pageType: "promocampaignpage",
      pageName,
      siteSections: pageName,
      siteVersion: "new-web",
    }

    return {
      promo_campaign_page,
      tracking,
    }
  }),
})