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

import { router } from "../../.."
import { batchRequest } from "../../../graphql/batchRequest"
import {
  GetContentPage,
  GetContentPageBlocksBatch1,
  GetContentPageBlocksBatch2,
} from "../../../graphql/Query/ContentPage/ContentPage.graphql"
import { contentstackExtendedProcedureUID } from "../../../procedures"
import { contentPageSchema } from "./output"
import { fetchContentPageRefs, generatePageTags } from "./utils"

import type { GetContentPageSchema } from "../../../types/contentPage"
import type { TrackingPageData } from "../../types"

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

    const contentPageRefs = await fetchContentPageRefs(lang, uid)

    if (!contentPageRefs) {
      return null
    }

    const tags = generatePageTags(contentPageRefs, lang)

    const getContentPageCounter = createCounter(
      "trpc.contentstack.contentPage.get"
    )
    const metricsGetContentPage = getContentPageCounter.init({
      lang,
      uid,
    })

    metricsGetContentPage.start()

    const contentPageRequest = await batchRequest<GetContentPageSchema>([
      {
        document: GetContentPage,
        variables: { locale: lang, uid },
        cacheOptions: {
          key: `${tags.join(",")}:contentPage`,
          ttl: "max",
        },
      },

      {
        document: GetContentPageBlocksBatch1,
        variables: { locale: lang, uid },
        cacheOptions: {
          key: `${tags.join(",")}:contentPageBlocksBatch1`,
          ttl: "max",
        },
      },

      {
        document: GetContentPageBlocksBatch2,
        variables: { locale: lang, uid },
        cacheOptions: {
          key: `${tags.join(",")}:contentPageBlocksBatch2`,
          ttl: "max",
        },
      },
    ])

    const contentPage = contentPageSchema.safeParse(contentPageRequest.data)
    if (!contentPage.success) {
      metricsGetContentPage.validationError(contentPage.error)
      return null
    }

    metricsGetContentPage.success()

    const tracking: TrackingPageData = {
      pageId: contentPage.data.content_page.system.uid,
      domainLanguage: lang,
      publishDate: contentPage.data.content_page.system.updated_at,
      createDate: contentPage.data.content_page.system.created_at,
      channel: createChannel(contentPage.data.content_page.system.uid),
      pageType: createPageType(contentPage.data.content_page.system.uid),
      pageName: contentPage.data.trackingProps.url,
      siteSections: contentPage.data.trackingProps.url,
      siteVersion: "new-web",
    }

    return {
      contentPage: contentPage.data.content_page,
      tracking,
    }
  }),
})

const signupContentPageUid = "blt0e6bd6c4d7224f07"
const signupVerifyContentPageUid = "blt3247a2a29b34a8e8"

export function createChannel(uid: string): TrackingPageData["channel"] {
  switch (uid) {
    case signupContentPageUid:
    case signupVerifyContentPageUid:
      return "scandic-friends"
    default:
      return "static-content-page"
  }
}

export function createPageType(uid: string): string {
  switch (uid) {
    case signupContentPageUid:
      return "memberprofilecreatepage"
    case signupVerifyContentPageUid:
      return "memberprofilecreatesuccesspage"
    default:
      return "staticcontentpage"
  }
}