import createMiddleware from "next-intl/middleware";
import { locales } from "./config";
import { NextRequest, NextResponse } from "next/server";
import {
  ONLY_UNAUTHENTICATED_ROUTES,
  DEFAULT_UNAUTHENTICATED_REDIRECT,
  PROTECTED_ROUTES,
  DEFAULT_LOGIN_REDIRECT,
} from "./consts/routes";
import { absoluteURL } from "./lib/utils";

const intlMiddleware = createMiddleware({
  // A list of all locales that are supported
  locales,

  // Used when no locale matches
  defaultLocale: "ar",
});

export default async function middleware(req: NextRequest) {
  const data = await fetch(absoluteURL("/api/auth/get-session"), {
    headers: {
      cookie: req.headers.get("cookie") || "",
    },
  });
  const session = await data.json();

  // Remove locale and clean pathname
  const localeMatch = req.nextUrl.pathname.match(/^\/(ar|en)(\/|$)/);
  const locale = localeMatch ? localeMatch[1] : null;
  const pathnameWithoutLocale = locale
    ? req.nextUrl.pathname.replace(`/${locale}`, "") || "/"
    : req.nextUrl.pathname;

  const isProtectedRoute = PROTECTED_ROUTES.some((route) =>
    pathnameWithoutLocale.startsWith(route),
  );

  if (isProtectedRoute && !session) {
    return NextResponse.redirect(
      new URL(DEFAULT_UNAUTHENTICATED_REDIRECT, req.url),
    );
  }

  if (
    session &&
    ONLY_UNAUTHENTICATED_ROUTES.some((route) =>
      pathnameWithoutLocale.startsWith(route),
    )
  ) {
    return NextResponse.redirect(new URL(DEFAULT_LOGIN_REDIRECT, req.url));
  }

  return intlMiddleware(req);
}

export const config = {
  // Matcher entries are linked with a logical "or", therefore
  // if one of them matches, the middleware will be invoked.
  // Copied from https://next-intl-docs.vercel.app/docs/routing/middleware#matcher-no-prefix
  matcher: [
    // Match all pathnames except for
    "/((?!api|_next|_vercel|.*\\..*).*)",
    // However, match all pathnames
    "/([\\w-]+)",
  ],
};

import createMiddleware from "next-intl/middleware";
import { locales } from "./config";
import { NextRequest, NextResponse } from "next/server";
import {
  ONLY_UNAUTHENTICATED_ROUTES,
  DEFAULT_UNAUTHENTICATED_REDIRECT,
  PROTECTED_ROUTES,
  DEFAULT_LOGIN_REDIRECT,
} from "./consts/routes";
import { absoluteURL } from "./lib/utils";

const intlMiddleware = createMiddleware({
  // A list of all locales that are supported
  locales,

  // Used when no locale matches
  defaultLocale: "ar",
});

export default async function middleware(req: NextRequest) {
  const data = await fetch(absoluteURL("/api/auth/get-session"), {
    headers: {
      cookie: req.headers.get("cookie") || "",
    },
  });
  const session = await data.json();

  // Remove locale and clean pathname
  const localeMatch = req.nextUrl.pathname.match(/^\/(ar|en)(\/|$)/);
  const locale = localeMatch ? localeMatch[1] : null;
  const pathnameWithoutLocale = locale
    ? req.nextUrl.pathname.replace(`/${locale}`, "") || "/"
    : req.nextUrl.pathname;

  const isProtectedRoute = PROTECTED_ROUTES.some((route) =>
    pathnameWithoutLocale.startsWith(route),
  );

  if (isProtectedRoute && !session) {
    return NextResponse.redirect(
      new URL(DEFAULT_UNAUTHENTICATED_REDIRECT, req.url),
    );
  }

  if (
    session &&
    ONLY_UNAUTHENTICATED_ROUTES.some((route) =>
      pathnameWithoutLocale.startsWith(route),
    )
  ) {
    return NextResponse.redirect(new URL(DEFAULT_LOGIN_REDIRECT, req.url));
  }

  return intlMiddleware(req);
}

export const config = {
  // Matcher entries are linked with a logical "or", therefore
  // if one of them matches, the middleware will be invoked.
  // Copied from https://next-intl-docs.vercel.app/docs/routing/middleware#matcher-no-prefix
  matcher: [
    // Match all pathnames except for
    "/((?!api|_next|_vercel|.*\\..*).*)",
    // However, match all pathnames
    "/([\\w-]+)",
  ],
};