#!/bin/bash

echo "=== 测试端口连接 ==="
echo ""

WSL_HOST_IP=$(ip route show | grep default | awk '{print $3}')
echo "Windows 主机 IP: $WSL_HOST_IP"
echo ""

# 测试多个端口
echo "测试 Clash Verge 常用端口："
for port in 7897 7890 7891; do
    echo -n "  端口 $port: "
    if timeout 2 bash -c "echo > /dev/tcp/$WSL_HOST_IP/$port" 2>/dev/null; then
        echo "✓ 可达"
    else
        echo "✗ 不可达"
    fi
done
echo ""

# 测试 ping
echo "测试到 Windows 主机的连接："
if ping -c 2 -W 2 $WSL_HOST_IP > /dev/null 2>&1; then
    echo "✓ Windows 主机可达"
else
    echo "✗ Windows 主机不可达"
fi
echo ""

# 测试 DNS
echo "测试 DNS 解析："
if nslookup hf.co > /dev/null 2>&1; then
    echo "✓ DNS 解析正常"
    HF_IP=$(nslookup hf.co | grep -A 1 "Name:" | tail -1 | awk '{print $2}')
    echo "  hf.co IP: $HF_IP"
else
    echo "✗ DNS 解析失败"
fi
echo ""

# 测试直接连接 hf.co
echo "测试直接连接 hf.co:443："
if timeout 3 bash -c "echo > /dev/tcp/hf.co/443" 2>/dev/null; then
    echo "✓ hf.co:443 可达（可能通过 TUN 模式）"
else
    echo "✗ hf.co:443 不可达"
fi
echo ""

echo "如果端口 7897 不可达，请："
echo "1. 检查 Clash Verge 的 '局域网连接' 是否已启用"
echo "2. 检查 Windows 防火墙设置"
echo "3. 确认 Clash Verge 正在运行"