events {
    worker_connections 1024;
}

http {
    resolver 127.0.0.11 ipv6=off valid=30s;

    map $http_upgrade $connection_upgrade {
        default upgrade;
        '' close;
    }

    server {
        listen 80;
        server_name www.linearvoid.tv;

        return 301 https://linearvoid.tv$request_uri;
    }

    server {
        listen 80 default_server;
        server_name linearvoid.tv localhost 127.0.0.1;

        root /srv/frontend;
        index index.html;

        # Serve static frontend
        location / {
            try_files $uri $uri/ /index.html;
        }

        # Proxy chat WebSocket
        location /ws {
            set $chat_upstream http://chat:3000;
            proxy_pass $chat_upstream;
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection $connection_upgrade;
            proxy_set_header Host $host;
            proxy_set_header X-Forwarded-Host $host;
            proxy_set_header X-Forwarded-Proto $scheme;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        }

        # Local/dev fallback HLS origin. Production media should use MEDIA_DOMAIN.
        location /hls/ {
            alias /srv/hls/;
            add_header Cache-Control "public, max-age=3600";
            add_header Access-Control-Allow-Origin "*";
        }

        # Health checks
        location /health {
            return 200 "healthy";
            add_header Content-Type text/plain;
        }
    }
}