# ==============================================================================
# PeopleFlow HRIS - Production Nginx Server Configuration
# ==============================================================================
server {
    listen 80;
    listen [::]:80;
    server_name localhost _;

    root /var/www/html/public;
    index index.php index.html;

    charset utf-8;
    client_max_body_size 64M;

    # 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;

    # Gzip Compression
    gzip on;
    gzip_vary on;
    gzip_proxied any;
    gzip_comp_level 6;
    gzip_types text/plain text/css text/xml application/json application/javascript application/rss+xml application/atom+xml image/svg+xml;

    location / {
        try_files $uri $uri/ /index.php?$query_string;
    }

    location = /favicon.ico { 
        access_log off; 
        log_not_found off; 
    }
    
    location = /robots.txt  { 
        access_log off; 
        log_not_found off; 
    }

    # Static assets caching
    location ~* \.(jpg|jpeg|gif|png|css|js|ico|xml|svg|woff|woff2|ttf|eot)$ {
        expires 30d;
        access_log off;
        add_header Cache-Control "public, no-transform";
    }

    # PHP-FPM FastCGI proxy
    location ~ \.php$ {
        fastcgi_pass app:9000;
        fastcgi_index index.php;
        fastcgi_param SCRIPT_FILENAME $realpath_root$fastcgi_script_name;
        include fastcgi_params;
        fastcgi_hide_header X-Powered-By;
        fastcgi_buffer_size 16k;
        fastcgi_buffers 4 16k;
        fastcgi_connect_timeout 60s;
        fastcgi_send_timeout 60s;
        fastcgi_read_timeout 60s;
    }

    # Deny access to hidden files (.env, .git, etc.)
    location ~ /\.(?!well-known).* {
        deny all;
    }
}