# Note: Default server blocks are defined in forgejo configuration
# This configuration only handles vscode.mnemo-cards.online domain

server {
    listen 80;
    server_name vscode.mnemo-cards.online;

    # Redirect HTTP to HTTPS
    return 301 https://$server_name$request_uri;
}

server {
    listen 443 ssl http2;
    server_name vscode.mnemo-cards.online;

    # SSL configuration - Let's Encrypt
    ssl_certificate /etc/letsencrypt/live/vscode.mnemo-cards.online/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/vscode.mnemo-cards.online/privkey.pem;

    # Fallback to self-signed certificates if Let's Encrypt fails
    # ssl_certificate /etc/ssl/certs/nginx-selfsigned-vscode.crt;
    # ssl_certificate_key /etc/ssl/private/nginx-selfsigned-vscode.key;
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers ECDHE-RSA-AES256-GCM-SHA512:DHE-RSA-AES256-GCM-SHA512:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-GCM-SHA384;
    ssl_prefer_server_ciphers off;

    # Client upload size limit (for large file uploads, git push, etc)
    client_max_body_size 100M;

    # 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 Strict-Transport-Security "max-age=31536000; includeSubDomains" always;

    # Special rate limiting for login attempts
    location /login {
        # Strict rate limiting for login
        limit_req zone=vscode_login burst=2 nodelay;
        limit_req_status 429;

        proxy_pass http://127.0.0.1:8443;
        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;

        # WebSocket support for VSCode
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        # Timeout settings
        proxy_connect_timeout 60s;
        proxy_send_timeout 60s;
        proxy_read_timeout 60s;

        # Buffer settings
        proxy_buffering off;
        proxy_request_buffering off;
    }

    # Proxy to code-server running on port 8443
    location / {
        # Apply rate limiting
        limit_req zone=vscode_general burst=10 nodelay;
        limit_req_status 429;

        proxy_pass http://127.0.0.1:8443;
        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;

        # WebSocket support for VSCode
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        # Timeout settings
        proxy_connect_timeout 60s;
        proxy_send_timeout 60s;
        proxy_read_timeout 60s;

        # Buffer settings
        proxy_buffering off;
        proxy_request_buffering off;
    }

    # Gzip compression
    gzip on;
    gzip_vary on;
    gzip_min_length 1024;
    gzip_proxied expired no-cache no-store private auth;
    gzip_types text/plain text/css text/xml text/javascript application/x-javascript application/xml+rss application/javascript;

    # Security - deny access to hidden files
    location ~ /\. {
        deny all;
    }
}