# Nginx configuration for Umami Analytics subdomain
# analytics.agenticgovernance.digital

# HTTP to HTTPS redirect
server {
    listen 80;
    listen [::]:80;
    server_name analytics.agenticgovernance.digital;

    # Let's Encrypt ACME challenge
    location /.well-known/acme-challenge/ {
        root /var/www/certbot;
    }

    # Redirect all other HTTP traffic to HTTPS
    location / {
        return 301 https://$host$request_uri;
    }
}

# HTTPS server for Umami Analytics
server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name analytics.agenticgovernance.digital;

    # SSL certificate paths (managed by Certbot)
    ssl_certificate /etc/letsencrypt/live/analytics.agenticgovernance.digital/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/analytics.agenticgovernance.digital/privkey.pem;

    # SSL security settings (Mozilla Intermediate configuration)
    ssl_session_timeout 1d;
    ssl_session_cache shared:SSL:10m;
    ssl_session_tickets off;
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384;
    ssl_prefer_server_ciphers off;

    # HSTS (optional, 6 months)
    add_header Strict-Transport-Security "max-age=15768000; includeSubDomains" always;

    # 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;

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

    # Proxy to Umami container
    location / {
        proxy_pass http://localhost:3000;
        proxy_http_version 1.1;

        # WebSocket support (for real-time updates)
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        # Standard 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;
        proxy_set_header X-Forwarded-Host $host;

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

        # Buffer settings
        proxy_buffering off;
        proxy_request_buffering off;
    }

    # Health check endpoint
    location /api/heartbeat {
        proxy_pass http://localhost:3000/api/heartbeat;
        access_log off;
    }
}