import { baseUrls } from "@/constants/routes/baseUrls"
import { findMyBooking } from "@/constants/routes/findMyBooking"
import { hotelreservation } from "@/constants/routes/hotelReservation"
import { publicProcedure, router } from "@/server/trpc"

import { getUidAndContentTypeByPath } from "@/services/cms/getUidAndContentTypeByPath"

import { getLanguageSwitcherInput } from "./input"
import { getUrlsOfAllLanguages } from "./utils"

import type { LanguageSwitcherData } from "@/types/requests/languageSwitcher"
import type { Lang } from "@/constants/languages"

export const languageSwitcherQueryRouter = router({
  get: publicProcedure
    .input(getLanguageSwitcherInput)
    .query(async ({ input }) => {
      const { pathName, lang } = input
      const { uid, contentType } = await getUidAndContentTypeByPath(pathName)

      if (!uid || !contentType) {
        // we have pages that are not currently routed within contentstack context,
        // therefor this fix is needed for some of these pages
        if (Object.values(findMyBooking).includes(pathName)) {
          const urls: LanguageSwitcherData = {}
          return {
            lang,
            urls: Object.entries(findMyBooking).reduce((acc, [lang, url]) => {
              acc[lang as Lang] = { url }
              return urls
            }, urls),
          }
        }
        if (pathName.startsWith(hotelreservation(lang))) {
          return { lang, urls: baseUrls }
        }

        return { lang, urls: { [lang]: { url: pathName } } }
      }

      const urls = await getUrlsOfAllLanguages(lang, uid, contentType)

      return {
        lang,
        urls,
      }
    }),
})