import {
  CampaignPageEnum,
  type CampaignPageRefs,
} from "../../../types/campaignPage"
import { generateTag, generateTagsFromSystem } from "../../../utils/generateTag"

import type { Lang } from "@scandic-hotels/common/constants/language"

import type { CarouselCardsBlock } from "../../../types/campaignPage"
import type { System } from "../schemas/system"

export function generatePageTags(
  validatedData: CampaignPageRefs,
  lang: Lang
): string[] {
  const connections = getConnections(validatedData)
  return [
    generateTagsFromSystem(lang, connections),
    generateTag(lang, validatedData.campaign_page.system.uid),
  ].flat()
}

export function getConnections({ campaign_page }: CampaignPageRefs) {
  const connections: System["system"][] = [campaign_page.system]

  if (campaign_page.blocks) {
    campaign_page.blocks.forEach((block) => {
      switch (block.__typename) {
        case CampaignPageEnum.ContentStack.blocks.CarouselCards: {
          block.carousel_cards.card_groups.forEach((group) => {
            group.cardConnection.edges.forEach(({ node }) => {
              connections.push(node.system)
            })
          })
          break
        }
        case CampaignPageEnum.ContentStack.blocks.Accordion: {
          if (block.accordion.length) {
            connections.push(...block.accordion)
          }
          break
        }
      }
    })
  }

  return connections
}

export function getCarouselCardsBlockWithBookingCodeLinks(
  block: CarouselCardsBlock,
  bookingCode: string | null
): CarouselCardsBlock {
  if (!bookingCode) {
    return block
  }

  const { link, cards, ...carousel_cards } = block.carousel_cards
  return {
    ...block,
    carousel_cards: {
      ...carousel_cards,
      link: link
        ? {
            ...link,
            href: `${link.href}?bookingCode=${bookingCode}`,
          }
        : undefined,
      cards: cards.map(({ link, ...card }) => ({
        ...card,
        link: link
          ? {
              ...link,
              href: `${link.href}?bookingCode=${bookingCode}`,
            }
          : undefined,
      })),
    },
  }
}