#!/bin/bash
# Nginx 配置更新脚本
# 在 HTTPS server 块中添加 AgentChat 代理配置

echo "========================================="
echo "Nginx 配置更新 - 添加 AgentChat 代理"
echo "========================================="

# 备份原配置
echo "1. 备份原配置文件..."
sudo cp /etc/nginx/sites-available/valuefrontier /etc/nginx/sites-available/valuefrontier.backup.$(date +%Y%m%d_%H%M%S)

echo "2. 添加 AgentChat 配置..."
echo ""
echo "请在 valuefrontier.conf 的 HTTPS server 块中（大约第 228 行，chat/ 配置之前）添加以下内容："
echo ""
cat << 'EOF'
    # ============================================
    # AI Chat 应用 (Next.js) - MCP 集成
    # ============================================

    # AgentChat 应用代理
    location /ai-chat {
        # 重写路径，去掉 /ai-chat 前缀
        rewrite ^/ai-chat(.*)$ $1 break;

        proxy_pass http://127.0.0.1:3000;
        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;

        # 保持 Cookie 传递（重要：Session 共享）
        proxy_set_header Cookie $http_cookie;
        proxy_pass_request_headers on;

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

        # 禁用缓冲，支持流式响应
        proxy_buffering off;
        proxy_cache off;

        # 超时设置
        proxy_connect_timeout 60s;
        proxy_send_timeout 300s;
        proxy_read_timeout 300s;
    }

    # Next.js 静态资源
    location ~ ^/ai-chat/(_next|__nextjs) {
        rewrite ^/ai-chat(.*)$ $1 break;

        proxy_pass http://127.0.0.1:3000;
        proxy_http_version 1.1;
        proxy_set_header Host $host;

        # 静态资源缓存
        expires 1y;
        add_header Cache-Control "public, immutable";
    }

EOF

echo ""
echo "3. 编辑配置文件："
echo "   sudo nano /etc/nginx/sites-available/valuefrontier"
echo ""
echo "4. 在第 227 行（location /chat/ { 之前）插入上述配置"
echo ""
echo "5. 保存并测试配置："
echo "   sudo nginx -t"
echo ""
echo "6. 如果测试通过，重载 Nginx："
echo "   sudo nginx -s reload"
echo ""
echo "========================================="