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

import { makeImageVaultImage } from "@/utils/imageVault"
import { removeMultipleSlashes } from "@/utils/url"

import { removeEmptyObjects } from "../../utils"
import {
  Block,
  ContentPage,
  ContentPageDataRaw,
  validateContentPageSchema,
} from "./output"
import {
  fetchContentPageRefs,
  generatePageTags,
  getContentPageCounter,
  makeButtonObject,
  validateContentPageRefs,
} from "./utils"

import {
  CardsGridEnum,
  ContentBlocksTypenameEnum,
} from "@/types/components/content/enums"
import {
  TrackingChannelEnum,
  TrackingSDKPageData,
} from "@/types/components/tracking"

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

    const cleanedRefsData = await fetchContentPageRefs(lang, uid)
    const validatedRefsData = validateContentPageRefs(
      cleanedRefsData,
      lang,
      uid
    )
    const tags = generatePageTags(validatedRefsData, lang)

    getContentPageCounter.add(1, { lang, uid })
    console.info(
      "contentstack.contentPage start",
      JSON.stringify({
        query: { lang, uid },
      })
    )

    const response = await request<ContentPageDataRaw>(
      GetContentPage,
      { locale: lang, uid },
      {
        cache: "force-cache",
        next: {
          tags,
        },
      }
    )

    const { content_page } = removeEmptyObjects(response.data)
    if (!content_page) {
      throw notFound(response)
    }

    const processedBlocks = content_page.blocks
      ? content_page.blocks.map((block: any) => {
          switch (block.__typename) {
            case ContentBlocksTypenameEnum.ContentPageBlocksContent:
              return block
            case ContentBlocksTypenameEnum.ContentPageBlocksShortcuts:
              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 ContentBlocksTypenameEnum.ContentPageBlocksCardsGrid:
              return {
                ...block,
                cards_grid: {
                  ...block.cards_grid,
                  cards: block.cards_grid.cardConnection.edges.map(
                    ({ node: card }: { node: any }) => {
                      switch (card.__typename) {
                        case CardsGridEnum.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,
                          }
                        case CardsGridEnum.LoyaltyCard:
                          return {
                            ...card,
                            image: makeImageVaultImage(card.image),
                            link: makeButtonObject(card.link),
                          }
                      }
                    }
                  ),
                },
              }
            default:
              return block
          }
        })
      : null

    const heroImage = makeImageVaultImage(content_page.hero_image)
    const validatedContentPage = validateContentPageSchema.safeParse({
      content_page: {
        ...content_page,
        blocks: processedBlocks,
        hero_image: heroImage,
      },
    })

    if (!validatedContentPage.success) {
      console.error(
        `Failed to validate Contentpage Data - (lang: ${lang}, uid: ${uid})`
      )
      console.error(validatedContentPage.error?.format())
      return null
    }

    const { hero_image, blocks, ...restContentPage } =
      validatedContentPage.data.content_page

    const contentPage: ContentPage = {
      ...restContentPage,
      heroImage,
      blocks: blocks as Block[],
    }

    const tracking: TrackingSDKPageData = {
      pageId: contentPage.system.uid,
      lang: contentPage.system.locale as Lang,
      publishedDate: contentPage.system.updated_at,
      createdDate: contentPage.system.created_at,
      channel: TrackingChannelEnum["static-content-page"],
      pageType: "staticcontentpage",
    }

    return {
      contentPage,
      tracking,
    }
  }),
})