import ContentstackLivePreview from "@contentstack/live-preview-utils";
import { NextResponse } from "next/server";
import type { NextRequest } from "next/server";

// This function can be marked `async` if using `await` inside
export async function middleware(request: NextRequest) {
  // const locales = await fetch(CMS_API, {
  //     locales: true
  // })
  const locales = ["en", "sv", "no", "fi", "da", "de"]

  const locale = locales.find(
    (locale) =>
      request.nextUrl.pathname.startsWith(`/${locale}/`) ||
      request.nextUrl.pathname === `/${locale}`
  )

  if (!locale) {
    //return <LocalePicker />
    return Response.json("Not found!!!", { status: 404 })
  }

  // const data = await fetch(CMS_API, {
  //     uri: request.nextUrl.pathname,
  //     locale
  // }).json()

  //const contentType = data.response.meta.contentType;
  const contentType = "currentContentPage"

  const pathNameWithoutLocale = request.nextUrl.pathname.replace(
    `/${locale}`,
    ""
  )

  const searchParams = new URLSearchParams(request.nextUrl.searchParams)

  if (request.nextUrl.pathname.includes("preview")) {
    searchParams.set("uri", pathNameWithoutLocale.replace("/preview", ""))

    return NextResponse.rewrite(
      new URL(`/${locale}/preview?${searchParams.toString()}`, request.url)
    )
  }

  searchParams.set("uri", pathNameWithoutLocale)

  switch (contentType) {
    case "currentContentPage":
      return NextResponse.rewrite(
        new URL(
          `/${locale}/current-content-page?${searchParams.toString()}`,
          request.url
        )
      )
  }
  return NextResponse.redirect(new URL("/home", request.url))
}

// See "Matching Paths" below to learn more
export const config = {
  matcher: [
    /*
     * Match all request paths except for the ones starting with:
     * - api (API routes)
     * - _next/static (static files)
     * - _next/image (image optimization files)
     * - favicon.ico (favicon file)
     */
    "/((?!api|_next/static|_next/image|Static|imageVault|contentassets|favicon.ico).*)",
  ],
};