# Example Nginx Reverse Proxy Configuration
# This is an OPTIONAL configuration if you want to use Nginx as your reverse proxy
# The application runs on HTTP and does not require nginx - you can use any reverse proxy

# Step 1: Install nginx and certbot
# sudo apt install nginx certbot python3-certbot-nginx

# Step 2: Create this file at /etc/nginx/sites-available/faction-war
# Replace 'yourdomain.com' with your actual domain
# Replace '8000' with your application port if different

# HTTP - Redirect to HTTPS
server {
    listen 80;
    listen [::]:80;
    server_name yourdomain.com;  # REPLACE WITH YOUR DOMAIN

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

# HTTPS - Main Application
server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name yourdomain.com;  # REPLACE WITH YOUR DOMAIN

    # SSL Configuration (will be managed by Certbot)
    # After running certbot, these lines will be automatically added:
    # ssl_certificate /etc/letsencrypt/live/yourdomain.com/fullchain.pem;
    # ssl_certificate_key /etc/letsencrypt/live/yourdomain.com/privkey.pem;
    # include /etc/letsencrypt/options-ssl-nginx.conf;
    # ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem;

    # Security Headers
    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-XSS-Protection "1; mode=block" always;

    # Logging
    access_log /var/log/nginx/faction-war-access.log;
    error_log /var/log/nginx/faction-war-error.log;

    # Proxy settings
    location / {
        # Replace 8000 with your application port if different
        proxy_pass http://127.0.0.1:8000;
        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 (if needed in future)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        # Timeouts
        proxy_connect_timeout 60s;
        proxy_send_timeout 60s;
        proxy_read_timeout 60s;
    }

    # Static files (optional optimization)
    location /static/ {
        alias /opt/faction-war/app/static/;
        expires 1d;
        add_header Cache-Control "public, immutable";
    }
}

# Step 3: Enable the site
# sudo ln -s /etc/nginx/sites-available/faction-war /etc/nginx/sites-enabled/

# Step 4: Test configuration
# sudo nginx -t

# Step 5: Get SSL certificate with Certbot
# sudo certbot --nginx -d yourdomain.com

# Step 6: Reload nginx
# sudo systemctl reload nginx

# Step 7: Configure firewall
# sudo ufw allow 80/tcp
# sudo ufw allow 443/tcp

# Your application will now be accessible at https://yourdomain.com