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

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

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

function makeImageVaultImage(image: any) {
  return image && !!Object.keys(image).length
    ? insertResponseToImageVaultAsset(image as InsertResponse)
    : undefined
}

function makeButtonObject(button: any) {
  if (!button) return null

  const isContenstackLink =
    button?.is_contentstack_link || button.linkConnection?.edges?.length

  return {
    openInNewTab: button?.open_in_new_tab,
    title:
      button.cta_text ||
      (isContenstackLink
        ? button.linkConnection.edges[0].node.title
        : button.external_link.title),
    href: isContenstackLink
      ? button.linkConnection.edges[0].node.web?.original_url ||
        removeMultipleSlashes(
          `/${button.linkConnection.edges[0].node.system.locale}/${button.linkConnection.edges[0].node.url}`
        )
      : button.external_link.href,
    isExternal: !isContenstackLink,
  }
}

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

    const refsResponse = await request<LoyaltyPageRefsDataRaw>(
      GetLoyaltyPageRefs,
      {
        locale: lang,
        uid,
      },
      {
        tags: [generateRefsResponseTag(lang, uid)],
      }
    )

    if (!refsResponse.data) {
      throw notFound(refsResponse)
    }

    const cleanedData = removeEmptyObjects(refsResponse.data)

    const validatedLoyaltyPageRefs =
      validateLoyaltyPageRefsSchema.safeParse(cleanedData)
    if (!validatedLoyaltyPageRefs.success) {
      console.error(
        `Failed to validate Loyaltypage Refs - (lang: ${lang}, uid: ${uid})`
      )
      console.error(validatedLoyaltyPageRefs.error)
      return null
    }

    const connections = getConnections(validatedLoyaltyPageRefs.data)

    const tags = [
      generateTags(lang, connections),
      generateTag(lang, validatedLoyaltyPageRefs.data.loyalty_page.system.uid),
    ].flat()

    const response = await request<any>(
      GetLoyaltyPage,
      {
        locale: lang,
        uid,
      },
      { tags }
    )

    if (!response.data) {
      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,
      system: response.data.loyalty_page.system,
      blocks,
      sidebar,
    }

    const validatedLoyaltyPage =
      validateLoyaltyPageSchema.safeParse(loyaltyPage)

    if (!validatedLoyaltyPage.success) {
      console.error(
        `Failed to validate Loyaltypage Data - (lang: ${lang}, uid: ${uid})`
      )
      console.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",
    }

    // Assert LoyaltyPage type to get correct typings for RTE fields
    return {
      loyaltyPage: validatedLoyaltyPage.data as LoyaltyPage,
      tracking: loyaltyTrackingData,
    }
  }),
})