limit_req_zone $binary_remote_addr zone=api:10m rate=30r/s;
limit_req_zone $binary_remote_addr zone=uploads:10m rate=5r/s;

server {
    listen 80;
    server_name demoplace.my.id www.demoplace.my.id;

    server_tokens off;

    # Allow large file uploads for profile pictures (max 10MB)
    client_max_body_size 10m;

    # Security Headers
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-XSS-Protection "1; mode=block" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header Referrer-Policy "no-referrer-when-downgrade" always;
    add_header Content-Security-Policy "default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval';" always;
    add_header Permissions-Policy "camera=(), microphone=(), geolocation=()" always;

    # Rate limiting on API endpoints
    location /api/auth/ {
        limit_req zone=api burst=20 nodelay;
        proxy_pass http://127.0.0.1:3000;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        proxy_set_header Host $host;
        proxy_cache_bypass $http_upgrade;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_hide_header X-Powered-By;
        proxy_read_timeout 30s;
    }

    # Profile picture uploads — rate limited more strictly
    location /api/auth/upload-profile-picture {
        limit_req zone=uploads burst=5 nodelay;
        client_max_body_size 10m;
        proxy_pass http://127.0.0.1:3000;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_read_timeout 60s;
        proxy_hide_header X-Powered-By;
    }

    # All other traffic goes to Next.js frontend
    location / {
        proxy_pass http://127.0.0.1:3000;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        proxy_set_header Host $host;
        proxy_cache_bypass $http_upgrade;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_hide_header X-Powered-By;
        proxy_read_timeout 30s;
        proxy_connect_timeout 10s;
    }
}