import {
  GetDestinationCityPage,
  GetDestinationCityPageRefs,
} from "@/lib/graphql/Query/DestinationCityPage/DestinationCityPage.graphql"
import { request } from "@/lib/graphql/request"
import { notFound } from "@/server/errors/trpc"
import { contentStackUidWithServiceProcedure, router } from "@/server/trpc"

import { generateRefsResponseTag } from "@/utils/generateTag"

import { getCityByCityIdentifier } from "../../hotels/utils"
import {
  destinationCityPageRefsSchema,
  destinationCityPageSchema,
} from "./output"
import {
  getDestinationCityPageCounter,
  getDestinationCityPageFailCounter,
  getDestinationCityPageRefsCounter,
  getDestinationCityPageRefsFailCounter,
  getDestinationCityPageRefsSuccessCounter,
  getDestinationCityPageSuccessCounter,
} from "./telemetry"
import { generatePageTags } from "./utils"

import {
  TrackingChannelEnum,
  type TrackingSDKPageData,
} from "@/types/components/tracking"
import type {
  GetDestinationCityPageData,
  GetDestinationCityPageRefsSchema,
} from "@/types/trpc/routers/contentstack/destinationCityPage"

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

    getDestinationCityPageRefsCounter.add(1, { lang, uid })
    console.info(
      "contentstack.destinationCityPage.refs start",
      JSON.stringify({ query: { lang, uid } })
    )

    const refsResponse = await request<GetDestinationCityPageRefsSchema>(
      GetDestinationCityPageRefs,
      { locale: lang, uid },
      {
        key: generateRefsResponseTag(lang, uid),
        ttl: "max",
      }
    )

    if (!refsResponse.data) {
      const notFoundError = notFound(refsResponse)
      getDestinationCityPageRefsFailCounter.add(1, {
        lang,
        uid: `${uid}`,
        error_type: "not_found",
        error: JSON.stringify({ code: notFoundError.code }),
      })
      console.error(
        "contentstack.destinationCityPage.refs not found error",
        JSON.stringify({
          query: { lang, uid },
          error: { code: notFoundError.code },
        })
      )
      throw notFoundError
    }

    const validatedRefsData = destinationCityPageRefsSchema.safeParse(
      refsResponse.data
    )
    if (!validatedRefsData.success) {
      getDestinationCityPageRefsFailCounter.add(1, {
        lang,
        uid: `${uid}`,
        error_type: "validation_error",
        error: JSON.stringify(validatedRefsData.error),
      })
      console.error(
        "contentstack.destinationCityPage.refs validation error",
        JSON.stringify({ query: { lang, uid }, error: validatedRefsData.error })
      )
      return null
    }
    getDestinationCityPageRefsSuccessCounter.add(1, { lang, uid: `${uid}` })
    console.info(
      "contentstack.destinationCityPage.refs success",
      JSON.stringify({ query: { lang, uid } })
    )

    const tags = generatePageTags(validatedRefsData.data, lang)

    getDestinationCityPageCounter.add(1, { lang, uid: `${uid}` })
    console.info(
      "contentstack.destinationCityPage start",
      JSON.stringify({
        query: { lang, uid },
      })
    )
    const response = await request<GetDestinationCityPageData>(
      GetDestinationCityPage,
      {
        locale: lang,
        uid,
      },
      {
        key: tags,
        ttl: "max",
      }
    )
    if (!response.data) {
      const notFoundError = notFound(response)
      getDestinationCityPageFailCounter.add(1, {
        lang,
        uid: `${uid}`,
        error_type: "not_found",
        error: JSON.stringify({ code: notFoundError.code }),
      })
      console.error(
        "contentstack.destinationCityPage not found error",
        JSON.stringify({
          query: { lang, uid },
          error: { code: notFoundError.code },
        })
      )
      throw notFoundError
    }

    const validatedResponse = destinationCityPageSchema.safeParse(response.data)

    if (!validatedResponse.success) {
      getDestinationCityPageFailCounter.add(1, {
        lang,
        uid: `${uid}`,
        error_type: "validation_error",
        error: JSON.stringify(validatedResponse.error),
      })
      console.error(
        "contentstack.destinationCityPage validation error",
        JSON.stringify({
          query: { lang, uid },
          error: validatedResponse.error,
        })
      )
      return null
    }
    const destinationCityPage = validatedResponse.data.destination_city_page
    const cityIdentifier = destinationCityPage.destination_settings.city
    if (!cityIdentifier) {
      return null
    }

    const city = await getCityByCityIdentifier({
      cityIdentifier,
      lang,
      serviceToken,
    })

    if (!city) {
      getDestinationCityPageFailCounter.add(1, {
        lang,
        uid: `${uid}`,
        error_type: "not_found",
        error: `Couldn't find city with cityIdentifier: ${cityIdentifier}`,
      })

      console.error(
        "contentstack.destinationCityPage not found error",
        JSON.stringify({
          query: { lang, uid },
          error: `Couldn't find city with cityIdentifier: ${cityIdentifier}`,
        })
      )
      return null
    }

    getDestinationCityPageSuccessCounter.add(1, { lang, uid: `${uid}` })
    console.info(
      "contentstack.destinationCityPage success",
      JSON.stringify({
        query: { lang, uid },
      })
    )

    const system = destinationCityPage.system
    const pageName = `destinations|${city.country}|${city.name}`

    const tracking: TrackingSDKPageData = {
      pageId: system.uid,
      domainLanguage: system.locale,
      publishDate: system.updated_at,
      createDate: system.created_at,
      channel: TrackingChannelEnum.hotels,
      pageType: "citypage",
      pageName,
      siteSections: pageName,
      siteVersion: "new-web",
    }

    return {
      destinationCityPage,
      cityIdentifier,
      city,
      tracking,
    }
  }),
})