events {
    worker_connections  1024;
}

http {
    include       /etc/nginx/mime.types;
    default_type  application/octet-stream;

    sendfile        on;
    keepalive_timeout  65;

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

    # Training HTTP server
    server {
        listen 80;
        server_name _;
        root /var/www/public;
        index index.php index.html;

        # Security headers
        add_header X-Frame-Options "SAMEORIGIN" always;
        add_header X-XSS-Protection "1; mode=block" always;
        add_header X-Content-Type-Options "nosniff" always;
        add_header Referrer-Policy "no-referrer-when-downgrade" always;

        # API routes - pass directly to Laravel with original REQUEST_URI
        location /api/ {
            fastcgi_pass 127.0.0.1:9000;
            fastcgi_index index.php;
            fastcgi_param SCRIPT_FILENAME $document_root/index.php;
            include fastcgi_params;
            fastcgi_param HTTP_PROXY "";
            fastcgi_param HTTPS $https if_not_empty;
            fastcgi_read_timeout 300;
            fastcgi_send_timeout 300;
        }

        # Training SPA (built with base=/training/)
        # Serve training frontend routes from /var/www/public/training
        location ^~ /training/ {
            add_header Content-Security-Policy "default-src 'self' http: https: data: blob: 'unsafe-inline'" always;
            try_files $uri $uri/ /training/index.html;
        }

        # Serve assets under /training/assets/
        location ~* ^/training/.*\.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
            expires 1y;
            add_header Cache-Control "public, immutable";
            add_header Content-Security-Policy "default-src 'self' http: https: data: blob: 'unsafe-inline'" always;
            try_files $uri =404;
        }

        # Handle PHP files - connect to localhost PHP-FPM
        location ~ \.php$ {
            fastcgi_pass 127.0.0.1:9000;
            fastcgi_index index.php;
            fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
            include fastcgi_params;
            
            # Additional FastCGI parameters
            fastcgi_param HTTP_PROXY "";
            fastcgi_param HTTPS $https if_not_empty;
            fastcgi_read_timeout 300;
            fastcgi_send_timeout 300;
        }

        # Deny access to hidden files
        location ~ /\. {
            deny all;
        }

        # Health check endpoint for Docker
        location = /health {
            fastcgi_pass 127.0.0.1:9000;
            fastcgi_index index.php;
            fastcgi_param SCRIPT_FILENAME $document_root/index.php;
            include fastcgi_params;
            fastcgi_param HTTP_PROXY "";
        }

        location ^~ /horizon {
            add_header Content-Security-Policy "default-src 'self' http: https: data: blob 'unsafe-inline' 'unsafe-eval'" always;
            fastcgi_pass 127.0.0.1:9000;
            fastcgi_index index.php;
            fastcgi_param SCRIPT_FILENAME $document_root/index.php;
            include fastcgi_params;
            fastcgi_param HTTP_PROXY "";
            fastcgi_param HTTPS $https if_not_empty;
            fastcgi_read_timeout 300;
            fastcgi_send_timeout 300;
        }

        # TRAINING: Root path disabled - redirect to /training/
        location = / {
            return 302 /training/;
        }

        # TRAINING: All other paths return 404 (production frontend disabled)
        location / {
            return 404;
        }
    }
}