middleware.js

import { NextResponse } from 'next/server';

const locales = ['en', 'ar'];
const defaultLocale = 'en';

export function middleware(request) {
  const pathname = request.nextUrl.pathname;

  // Skip static files, images, and PostHog ingest paths
  if (
    pathname.startsWith('/_next') ||
    pathname.startsWith('/api') ||
    pathname.startsWith('/ingest') || // Add this line to exclude PostHog paths
    pathname.includes('.') // This catches files with extensions like .png, .jpg, .ico, etc.
  ) {
    return NextResponse.next();
  }

  // Check if there is any supported locale in the pathname
  const pathnameIsMissingLocale = locales.every(
    (locale) => !pathname.startsWith(`/${locale}/`) && pathname !== `/${locale}`
  );

  // Redirect if there is no locale
  if (pathnameIsMissingLocale) {
    const locale = defaultLocale;

    // e.g. incoming request is /products
    // The new URL is now /en/products
    return NextResponse.redirect(
      new URL(`/${locale}${pathname}`, request.url)
    );
  }
}

export const config = {
  matcher: [
    // Skip all internal paths (_next) and files with extensions
    '/((?!_next|ingest|api|.*\\.).*)',
  ],
};