Initialize frontend project with Next.js, Tailwind CSS, and essential configurations

frontend/src/middleware.ts

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+import { NextResponse } from 'next/server';
+import type { NextRequest } from 'next/server';
+import { headers } from 'next/headers';
+
+// Paths that don't require authentication
+const PUBLIC_PATHS = [
+  '/api/auth/login',
+  '/api/auth/register',
+  '/api/parks',
+  '/api/parks/search',
+];
+
+// Function to check if path is public
+const isPublicPath = (path: string) => {
+  return PUBLIC_PATHS.some(publicPath => {
+    if (publicPath.endsWith('*')) {
+      return path.startsWith(publicPath.slice(0, -1));
+    }
+    return path === publicPath;
+  });
+};
+
+export async function middleware(request: NextRequest) {
+  const path = request.nextUrl.pathname;
+  const isApiRoute = path.startsWith('/api/');
+
+  // Only apply middleware to API routes
+  if (!isApiRoute) {
+    return NextResponse.next();
+  }
+
+  // Allow public paths
+  if (isPublicPath(path)) {
+    return NextResponse.next();
+  }
+
+  // Check for auth token
+  const authHeader = request.headers.get('authorization');
+  if (!authHeader || !authHeader.startsWith('Bearer ')) {
+    return NextResponse.json(
+      { success: false, error: 'Unauthorized' },
+      { status: 401 }
+    );
+  }
+
+  try {
+    // TODO: Implement token verification
+    // For now, just check if token exists
+    const token = authHeader.split(' ')[1];
+    if (!token) {
+      throw new Error('Invalid token');
+    }
+
+    // Add user info to request headers for API routes
+    const requestHeaders = new Headers(request.headers);
+    requestHeaders.set('x-user-token', token);
+
+    // Clone the request with modified headers
+    const response = NextResponse.next({
+      request: {
+        headers: requestHeaders,
+      },
+    });
+
+    return response;
+  } catch (error) {
+    return NextResponse.json(
+      { success: false, error: 'Invalid token' },
+      { status: 401 }
+    );
+  }
+}
+
+export const config = {
+  matcher: [
+    /*
+     * Match all API routes:
+     * - /api/auth/login
+     * - /api/parks
+     * - /api/reviews
+     * etc.
+     */
+    '/api/:path*',
+  ],
+};