import { metrics } from "@opentelemetry/api"

import { Lang } from "@/constants/languages"
import {
  GetLoyaltyPage,
  GetLoyaltyPageRefs,
} from "@/lib/graphql/Query/LoyaltyPage.graphql"
import { request } from "@/lib/graphql/request"
import { notFound } from "@/server/errors/trpc"
import { contentstackExtendedProcedureUID, router } from "@/server/trpc"

import {
  generateRefsResponseTag,
  generateTag,
  generateTags,
} from "@/utils/generateTag"
import { makeImageVaultImage } from "@/utils/imageVault"
import { removeMultipleSlashes } from "@/utils/url"

import { removeEmptyObjects } from "../../utils"
import {
  type LoyaltyPageRefsDataRaw,
  validateLoyaltyPageRefsSchema,
  validateLoyaltyPageSchema,
} from "./output"
import { getConnections, makeButtonObject } from "./utils"

import {
  LoyaltyBlocksTypenameEnum,
  LoyaltyCardsGridEnum,
  SidebarTypenameEnum,
} from "@/types/components/loyalty/enums"
import {
  TrackingChannelEnum,
  TrackingSDKPageData,
} from "@/types/components/tracking"

const meter = metrics.getMeter("trpc.loyaltyPage")
// OpenTelemetry metrics: LoyaltyPage
const getLoyaltyPageRefsCounter = meter.createCounter(
  "trpc.contentstack.loyaltyPage.get"
)
const getLoyaltyPageRefsSuccessCounter = meter.createCounter(
  "trpc.contentstack.loyaltyPage.get-success"
)
const getLoyaltyPageRefsFailCounter = meter.createCounter(
  "trpc.contentstack.loyaltyPage.get-fail"
)
const getLoyaltyPageCounter = meter.createCounter(
  "trpc.contentstack.loyaltyPage.get"
)
const getLoyaltyPageSuccessCounter = meter.createCounter(
  "trpc.contentstack.loyaltyPage.get-success"
)
const getLoyaltyPageFailCounter = meter.createCounter(
  "trpc.contentstack.loyaltyPage.get-fail"
)

export const loyaltyPageQueryRouter = router({
  get: contentstackExtendedProcedureUID.query(async ({ ctx }) => {
    const { lang, uid } = ctx
    getLoyaltyPageRefsCounter.add(1, { lang, uid })
    console.info(
      "contentstack.loyaltyPage.refs start",
      JSON.stringify({
        query: { lang, uid },
      })
    )
    const refsResponse = await request<LoyaltyPageRefsDataRaw>(
      GetLoyaltyPageRefs,
      {
        locale: lang,
        uid,
      },
      {
        tags: [generateRefsResponseTag(lang, uid)],
      }
    )

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

    const cleanedData = removeEmptyObjects(refsResponse.data)

    const validatedLoyaltyPageRefs =
      validateLoyaltyPageRefsSchema.safeParse(cleanedData)
    if (!validatedLoyaltyPageRefs.success) {
      getLoyaltyPageRefsFailCounter.add(1, {
        lang,
        uid,
        error_type: "validation_error",
        error: JSON.stringify(validatedLoyaltyPageRefs.error),
      })
      console.error(
        "contentstack.loyaltyPage.refs validation error",
        JSON.stringify({
          query: { lang, uid },
          error: validatedLoyaltyPageRefs.error,
        })
      )
      return null
    }
    getLoyaltyPageRefsSuccessCounter.add(1, { lang, uid })
    console.info(
      "contentstack.loyaltyPage.refs success",
      JSON.stringify({
        query: { lang, uid },
      })
    )
    const connections = getConnections(validatedLoyaltyPageRefs.data)

    const tags = [
      generateTags(lang, connections),
      generateTag(lang, validatedLoyaltyPageRefs.data.loyalty_page.system.uid),
    ].flat()
    getLoyaltyPageCounter.add(1, { lang, uid })
    console.info(
      "contentstack.loyaltyPage start",
      JSON.stringify({
        query: { lang, uid },
      })
    )
    const response = await request<any>(
      GetLoyaltyPage,
      {
        locale: lang,
        uid,
      },
      { tags }
    )

    if (!response.data) {
      const notFoundError = notFound(response)
      getLoyaltyPageFailCounter.add(1, {
        lang,
        uid,
        error_type: "http_error",
        error: JSON.stringify({ code: notFoundError.code }),
      })
      console.error(
        "contentstack.loyaltyPage not found error",
        JSON.stringify({
          query: { lang, uid },
          error: { code: notFoundError.code },
        })
      )
      throw notFound(response)
    }

    const blocks = response.data.loyalty_page.blocks
      ? response.data.loyalty_page.blocks.map((block: any) => {
          switch (block.__typename) {
            case LoyaltyBlocksTypenameEnum.LoyaltyPageBlocksDynamicContent:
              return {
                ...block,
                dynamic_content: {
                  ...block.dynamic_content,
                  link: block.dynamic_content.link.pageConnection.edges.length
                    ? {
                        text: block.dynamic_content.link.text,
                        href: removeMultipleSlashes(
                          `/${block.dynamic_content.link.pageConnection.edges[0].node.system.locale}/${block.dynamic_content.link.pageConnection.edges[0].node.url}`
                        ),
                        title:
                          block.dynamic_content.link.pageConnection.edges[0]
                            .node.title,
                      }
                    : undefined,
                },
              }
            case LoyaltyBlocksTypenameEnum.LoyaltyPageBlocksShortcuts:
              return {
                ...block,
                shortcuts: {
                  ...block.shortcuts,
                  shortcuts: block.shortcuts.shortcuts.map((shortcut: any) => ({
                    text: shortcut.text,
                    openInNewTab: shortcut.open_in_new_tab,
                    ...shortcut.linkConnection.edges[0].node,
                    url:
                      shortcut.linkConnection.edges[0].node.web?.original_url ||
                      removeMultipleSlashes(
                        `/${shortcut.linkConnection.edges[0].node.system.locale}/${shortcut.linkConnection.edges[0].node.url}`
                      ),
                  })),
                },
              }
            case LoyaltyBlocksTypenameEnum.LoyaltyPageBlocksCardsGrid:
              return {
                ...block,
                cards_grid: {
                  ...block.cards_grid,
                  cards: block.cards_grid.cardConnection.edges.map(
                    ({ node: card }: { node: any }) => {
                      switch (card.__typename) {
                        case LoyaltyCardsGridEnum.LoyaltyCard:
                          return {
                            ...card,
                            image: makeImageVaultImage(card.image),
                            link: makeButtonObject(card.link),
                          }
                        case LoyaltyCardsGridEnum.Card:
                          return {
                            ...card,
                            backgroundImage: makeImageVaultImage(
                              card.background_image
                            ),
                            primaryButton: card.has_primary_button
                              ? makeButtonObject(card.primary_button)
                              : undefined,
                            secondaryButton: card.has_secondary_button
                              ? makeButtonObject(card.secondary_button)
                              : undefined,
                          }
                      }
                    }
                  ),
                },
              }
            default:
              return block
          }
        })
      : null

    const sidebar = response.data.loyalty_page.sidebar
      ? response.data.loyalty_page.sidebar.map((item: any) => {
          switch (item.__typename) {
            case SidebarTypenameEnum.LoyaltyPageSidebarJoinLoyaltyContact:
              return {
                ...item,
                join_loyalty_contact: {
                  ...item.join_loyalty_contact,
                  button: makeButtonObject(item.join_loyalty_contact.button),
                },
              }
            default:
              return item
          }
        })
      : null

    const loyaltyPage = {
      heading: response.data.loyalty_page.heading,
      preamble: response.data.loyalty_page.preamble,
      heroImage: makeImageVaultImage(response.data.loyalty_page.hero_image),
      system: response.data.loyalty_page.system,
      blocks,
      sidebar,
    }

    const validatedLoyaltyPage =
      validateLoyaltyPageSchema.safeParse(loyaltyPage)
    if (!validatedLoyaltyPage.success) {
      getLoyaltyPageFailCounter.add(1, {
        lang,
        uid,
        error_type: "validation_error",
        error: JSON.stringify(validatedLoyaltyPage.error),
      })
      console.error(
        "contentstack.loyaltyPage validation error",
        JSON.stringify({
          query: { lang, uid },
          error: validatedLoyaltyPage.error,
        })
      )
      return null
    }

    const loyaltyTrackingData: TrackingSDKPageData = {
      pageId: response.data.loyalty_page.system.uid,
      lang: response.data.loyalty_page.system.locale as Lang,
      publishedDate: response.data.loyalty_page.system.updated_at,
      createdDate: response.data.loyalty_page.system.created_at,
      channel: TrackingChannelEnum["scandic-friends"],
      pageType: "loyaltycontentpage",
    }
    getLoyaltyPageSuccessCounter.add(1, { lang, uid })
    console.info(
      "contentstack.loyaltyPage success",
      JSON.stringify({ query: { lang, uid } })
    )
    // Assert LoyaltyPage type to get correct typings for RTE fields
    return {
      loyaltyPage,
      tracking: loyaltyTrackingData,
    }
  }),
})