# nginx/contentmachine.conf
# Place in: /etc/nginx/sites-available/contentmachine
# Then: sudo ln -s /etc/nginx/sites-available/contentmachine /etc/nginx/sites-enabled/

server {
    listen 80;
    server_name yourdomain.com www.yourdomain.com;
    return 301 https://$host$request_uri;
}

server {
    listen 443 ssl http2;
    server_name yourdomain.com www.yourdomain.com;

    # SSL - managed by Certbot
    ssl_certificate /etc/letsencrypt/live/yourdomain.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/yourdomain.com/privkey.pem;
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384;
    ssl_prefer_server_ciphers off;

    # Security headers
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header Referrer-Policy "strict-origin-when-cross-origin" always;
    add_header X-XSS-Protection "1; mode=block" always;

    # Gzip
    gzip on;
    gzip_types text/plain text/css application/json application/javascript text/xml application/xml;
    gzip_min_length 1024;

    # Frontend (React SPA)
    root /var/www/contentmachine/frontend/dist;
    index index.html;

    # API proxy → Node.js backend
    location /api/ {
        proxy_pass http://127.0.0.1:4000;
        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;
        proxy_read_timeout 300s;  # Long timeout for pipeline runs
        proxy_connect_timeout 10s;

        # Stripe webhook: raw body
        location /api/stripe/webhook {
            proxy_pass http://127.0.0.1:4000;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
        }
    }

    # SPA: all other routes → index.html
    location / {
        try_files $uri $uri/ /index.html;
        expires 1h;
        add_header Cache-Control "public, no-transform";
    }

    # Static assets: long cache
    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2)$ {
        expires 1y;
        add_header Cache-Control "public, immutable";
    }

    # Health check
    location /health {
        proxy_pass http://127.0.0.1:4000/health;
    }
}