# =============================================================================
# MOPC Platform - Nginx Reverse Proxy Configuration
# =============================================================================
# Install: sudo ln -s /opt/mopc/docker/nginx/mopc-platform.conf /etc/nginx/sites-enabled/
# Test:    sudo nginx -t
# Reload:  sudo systemctl reload nginx

# Rate limiting zone
limit_req_zone $binary_remote_addr zone=mopc_limit:10m rate=10r/s;

# MOPC Platform - HTTPS
server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name portal.monaco-opc.com;

    # SSL certificates (managed by Certbot)
    ssl_certificate /etc/letsencrypt/live/portal.monaco-opc.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/portal.monaco-opc.com/privkey.pem;
    include /etc/letsencrypt/options-ssl-nginx.conf;
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem;

    # Security headers
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-XSS-Protection "1; mode=block" always;
    add_header Referrer-Policy "strict-origin-when-cross-origin" always;
    add_header Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval'; style-src 'self' 'unsafe-inline'; img-src 'self' data: blob:; font-src 'self' data:; connect-src 'self';" always;

    # File upload size (500MB for videos)
    client_max_body_size 500M;

    # Rate limiting
    limit_req zone=mopc_limit burst=20 nodelay;

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

    # Next.js application
    location / {
        proxy_pass http://127.0.0.1:7600;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        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_cache_bypass $http_upgrade;

        # Timeouts for large file uploads
        proxy_connect_timeout 300s;
        proxy_send_timeout 300s;
        proxy_read_timeout 300s;
    }

    # Static files caching
    location /_next/static {
        proxy_pass http://127.0.0.1:7600;
        proxy_cache_valid 200 365d;
        add_header Cache-Control "public, max-age=31536000, immutable";
    }

    # Health check endpoint (no access log noise)
    location /api/health {
        proxy_pass http://127.0.0.1:7600;
        access_log off;
    }
}

# HTTP to HTTPS redirect
server {
    listen 80;
    listen [::]:80;
    server_name portal.monaco-opc.com;
    return 301 https://$host$request_uri;
}