import {
  PromoCampaignPageEnum,
  type PromoCampaignPageRefs,
} from "../../../types/promoCampaignPage"
import {
  generateTag,
  generateTagsFromAssetSystem,
  generateTagsFromSystem,
} from "../../../utils/generateTag"

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

import type { AssetSystem, System } from "../schemas/system"

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

export function getConnections({ promo_campaign_page }: PromoCampaignPageRefs) {
  const connections: System["system"][] = [promo_campaign_page.system]
  const assetConnections: AssetSystem[] = []

  if (promo_campaign_page.blocks) {
    promo_campaign_page.blocks.forEach((block) => {
      switch (block.__typename) {
        case PromoCampaignPageEnum.ContentStack.blocks.Accordion:
          if (block.accordion.length) {
            connections.push(...block.accordion.filter((c) => !!c))
          }
          break
        case PromoCampaignPageEnum.ContentStack.blocks.Content:
          if (block?.content?.length) {
            block.content.forEach((contentBlock) => {
              if ("system" in contentBlock) {
                assetConnections.push(contentBlock)
              } else {
                connections.push(contentBlock)
              }
            })
          }
          break
      }
    })
  }
  return { connections, assetConnections }
}