import { PageContentTypeEnum } from "@scandic-hotels/trpc/enums/contentType"

import {
  getDestinationFilterSeoMetaTitle,
  getDestinationPageTitle,
} from "./destinationPage"
import { getHotelPageTitle } from "./hotelPage"

import type { RawMetadataSchema } from "@scandic-hotels/trpc/routers/contentstack/metadata/output"

function getTitleSuffix(contentType: string) {
  switch (contentType) {
    case PageContentTypeEnum.contentPage:
    case PageContentTypeEnum.collectionPage:
    case PageContentTypeEnum.campaignPage:
    case PageContentTypeEnum.campaignOverviewPage:
    case PageContentTypeEnum.destinationOverviewPage:
    case PageContentTypeEnum.destinationCityPage:
    case PageContentTypeEnum.destinationCountryPage:
      return " | Scandic Hotels"
    default:
      return ""
  }
}

export async function getTitle(data: RawMetadataSchema) {
  const suffix = getTitleSuffix(data.system.content_type_uid)
  const metadata = data.web?.seo_metadata
  const isDestinationPage = [
    PageContentTypeEnum.destinationCityPage,
    PageContentTypeEnum.destinationCountryPage,
  ].includes(data.system.content_type_uid as PageContentTypeEnum)

  if (isDestinationPage) {
    const destinationFilterSeoMetaTitle = getDestinationFilterSeoMetaTitle(
      data,
      suffix
    )
    if (destinationFilterSeoMetaTitle) {
      return destinationFilterSeoMetaTitle
    }
  }

  if (metadata?.title) {
    return `${metadata.title}${suffix}`
  }

  let title: string | null = null

  switch (data.system.content_type_uid) {
    case PageContentTypeEnum.hotelPage:
      title = await getHotelPageTitle(data)
      break
    case PageContentTypeEnum.destinationCityPage:
      title = await getDestinationPageTitle(data, "city", suffix)
      break
    case PageContentTypeEnum.destinationCountryPage:
      title = await getDestinationPageTitle(data, "country", suffix)
      break
    default:
      break
  }

  if (title) {
    return title
  }

  // Fallback titles from contentstack content
  if (data.web?.breadcrumbs?.title) {
    return `${data.web.breadcrumbs.title}${suffix}`
  }
  if (data.heading) {
    return `${data.heading}${suffix}`
  }
  if (data.header?.heading) {
    return `${data.header.heading}${suffix}`
  }
  return ""
}