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

    charset utf-8;

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

    # WebSocket proxy - must come before generic proxy rules
    location /ws {
        proxy_pass http://php:20108;
        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_read_timeout 86400;
    }

    # Admin management frontend (Vue SPA)
    location /admin {
        alias /var/www/html/public/admin;
        try_files $uri $uri/ /admin/index.html;
        index index.html;
    }

    # Demo pages (user-side chat)
    location /demo {
        alias /var/www/html/public/demo;
        try_files $uri $uri/ /demo/index.html;
        index index.html;
    }

    # Install wizard static assets (CSS/JS/images)
    location /install/statics {
        alias /var/www/html/public/install;
    }

    # Static assets
    location /statics {
        alias /var/www/html/public/statics;
    }

    # Favicon
    location = /favicon.ico {
        alias /var/www/html/public/favicon.ico;
    }

    # All other requests proxy to Swoole (ThinkPHP handles routing)
    location / {
        proxy_pass http://php:20108;
        proxy_http_version 1.1;
        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_read_timeout 300;
    }
}