import { NextResponse } from "next/server"

import { findLang } from "@/constants/languages"

import type { NextMiddleware } from "next/server"

import { MiddlewareMatcher } from "@/types/middleware"

export const middleware: NextMiddleware = async (request) => {
  const { nextUrl } = request
  const lang = findLang(nextUrl.pathname)

  const contentType = "currentContentPage"
  const pathNameWithoutLang = nextUrl.pathname.replace(`/${lang}`, "")
  const searchParams = new URLSearchParams(request.nextUrl.searchParams)

  if (request.nextUrl.pathname.includes("preview")) {
    searchParams.set("uri", pathNameWithoutLang.replace("/preview", ""))
    return NextResponse.rewrite(
      new URL(`/${lang}/preview-current?${searchParams.toString()}`, nextUrl)
    )
  }

  searchParams.set("uri", pathNameWithoutLang)
  switch (contentType) {
    case "currentContentPage":
      return NextResponse.rewrite(
        new URL(
          `/${lang}/current-content-page?${searchParams.toString()}`,
          nextUrl
        )
      )
    default:
      return NextResponse.next()
  }
}

export const matcher: MiddlewareMatcher = (request) => {
  return true
}