# =============================================================================
# iConsulting 系统 Nginx 反向代理配置
#
# 使用方法:
#   1. 复制此文件到系统nginx配置目录:
#      sudo cp nginx/system-nginx-proxy.conf /etc/nginx/sites-available/iconsulting.conf
#   2. 创建软链接启用:
#      sudo ln -s /etc/nginx/sites-available/iconsulting.conf /etc/nginx/sites-enabled/
#   3. 测试配置:
#      sudo nginx -t
#   4. 重载nginx:
#      sudo systemctl reload nginx
# =============================================================================

# HTTP -> HTTPS 重定向
server {
    listen 80;
    listen [::]:80;
    server_name iconsulting.szaiai.com;

    # Let's Encrypt 验证
    location /.well-known/acme-challenge/ {
        root /var/www/html;
    }

    # 重定向到 HTTPS
    location / {
        return 301 https://$server_name$request_uri;
    }
}

# HTTPS 主配置
server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name iconsulting.szaiai.com;

    # SSL 证书 (使用系统nginx的证书，或Let's Encrypt证书)
    ssl_certificate /etc/letsencrypt/live/iconsulting.szaiai.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/iconsulting.szaiai.com/privkey.pem;

    # SSL 安全配置
    ssl_session_timeout 1d;
    ssl_session_cache shared:SSL:50m;
    ssl_session_tickets off;
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384;
    ssl_prefer_server_ciphers off;

    # HSTS
    add_header Strict-Transport-Security "max-age=63072000" always;

    # 日志
    access_log /var/log/nginx/iconsulting.access.log;
    error_log /var/log/nginx/iconsulting.error.log;

    # 反向代理到 iConsulting Docker Nginx (8080端口)
    location / {
        proxy_pass http://127.0.0.1:8080;
        proxy_http_version 1.1;

        # WebSocket 支持
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        # 传递原始请求信息
        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_set_header X-Forwarded-Host $host;
        proxy_set_header X-Forwarded-Port $server_port;

        # 超时设置
        proxy_connect_timeout 60s;
        proxy_send_timeout 60s;
        proxy_read_timeout 60s;

        # 缓冲设置
        proxy_buffering on;
        proxy_buffer_size 4k;
        proxy_buffers 8 4k;
    }

    # API 请求直接转发到 Kong (可选，如果需要绕过Docker Nginx)
    # location /api/ {
    #     proxy_pass http://127.0.0.1:8000/;
    #     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;
    # }
}