# Firefrost Arbiter - Nginx Configuration
# Location: /etc/nginx/sites-available/arbiter
# Enable with: sudo ln -s /etc/nginx/sites-available/arbiter /etc/nginx/sites-enabled/
# Then: sudo nginx -t && sudo systemctl reload nginx

# HTTP -> HTTPS Redirect
server {
    listen 80;
    server_name discord-bot.firefrostgaming.com;
    return 301 https://$host$request_uri;
}

# HTTPS Server Block
server {
    listen 443 ssl http2;
    server_name discord-bot.firefrostgaming.com;

    # SSL Configuration (Let's Encrypt)
    ssl_certificate /etc/letsencrypt/live/discord-bot.firefrostgaming.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/discord-bot.firefrostgaming.com/privkey.pem;
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers HIGH:!aNULL:!MD5;
    ssl_prefer_server_ciphers on;

    # 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;

    # Access Logs
    access_log /var/log/nginx/arbiter-access.log;
    error_log /var/log/nginx/arbiter-error.log;

    # Proxy Configuration
    location / {
        proxy_pass http://127.0.0.1:3500;
        proxy_http_version 1.1;
        
        # WebSocket Support (for Discord.js if needed)
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        
        # Proxy Headers
        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;
        
        # Timeouts
        proxy_connect_timeout 60s;
        proxy_send_timeout 60s;
        proxy_read_timeout 60s;
        
        # Cache Control
        proxy_cache_bypass $http_upgrade;
    }

    # Health Check Endpoint (optional monitoring)
    location /health {
        proxy_pass http://127.0.0.1:3500/health;
        access_log off;
    }
}