events {
    worker_connections 1024;
}

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

    # 日志
    log_format main '$remote_addr - $remote_user [$time_local] "$request" '
                    '$status $body_bytes_sent "$http_referer" '
                    '"$http_user_agent" "$http_x_forwarded_for"';

    access_log /var/log/nginx/access.log main;

    # Gzip
    gzip on;
    gzip_vary on;
    gzip_proxied any;
    gzip_types text/plain text/css application/json application/javascript text/xml;

    # 上游服务
    upstream iptv_backend {
        server iptv-web:3000;
    }

    # HTTP 服务器
    server {
        listen 80;
        server_name localhost;

        # 静态文件缓存
        location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg)$ {
            proxy_pass http://iptv_backend;
            expires 1d;
            add_header Cache-Control "public, immutable";
        }

        # API 和代理
        location / {
            proxy_pass http://iptv_backend;
            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_cache_bypass $http_upgrade;
            
            # 超时设置
            proxy_connect_timeout 60s;
            proxy_send_timeout 60s;
            proxy_read_timeout 60s;
        }

        # 流媒体代理（长连接）
        location /proxy/ {
            proxy_pass http://iptv_backend;
            proxy_http_version 1.1;
            proxy_buffering off;
            proxy_request_buffering off;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            
            # 长超时（流媒体需要）
            proxy_connect_timeout 300s;
            proxy_send_timeout 300s;
            proxy_read_timeout 300s;
        }
    }

    # HTTPS 服务器（需要证书）
    server {
        listen 443 ssl http2;
        server_name localhost;

        ssl_certificate /etc/nginx/ssl/cert.pem;
        ssl_certificate_key /etc/nginx/ssl/key.pem;

        location / {
            proxy_pass http://iptv_backend;
            proxy_http_version 1.1;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
        }
    }
}