#!/bin/bash

echo "=== 本地客户端设置 ==="

# 配置你的甲骨文 Tailscale IP
ORACLE_IP="100.x.x.x"  # 请替换为实际的甲骨文 Tailscale IP

echo "请先设置甲骨文服务器的 Tailscale IP:"
read -p "输入甲骨文服务器的 Tailscale IP: " ORACLE_IP

if [ -z "$ORACLE_IP" ]; then
    echo "IP 地址不能为空"
    exit 1
fi

# 1. 安装 gost（如果没有）
echo "检查 gost..."
if ! command -v gost &> /dev/null; then
    echo "安装 gost..."
    wget -O gost.gz https://github.com/ginuerzh/gost/releases/download/v2.11.5/gost-linux-amd64-2.11.5.gz
    gunzip gost.gz
    chmod +x gost-linux-amd64-2.11.5
    sudo mv gost-linux-amd64-2.11.5 /usr/local/bin/gost
    echo "gost 安装完成"
fi

# 2. 创建本地转发脚本
cat > start-local-forward.sh << EOF
#!/bin/bash

echo "启动本地代理转发..."
echo "甲骨文服务器: $ORACLE_IP"

# 杀死之前的进程
pkill -f "gost.*:2000"

# 启动20个本地转发
for i in {1..20}; do
    local_port=\$((20000 + i))
    oracle_port=\$((10000 + i))
    
    # 本地端口 -> 甲骨文端口
    gost -L "socks5://127.0.0.1:\$local_port" -F "socks5://$ORACLE_IP:\$oracle_port" &
    
    echo "本地端口 \$local_port -> 甲骨文 $ORACLE_IP:\$oracle_port"
    
    sleep 0.1
done

echo ""
echo "本地代理转发已启动！"
echo "SOCKS5 代理地址: 127.0.0.1:20001-20020"
echo ""
echo "测试命令:"
echo "curl --socks5 127.0.0.1:20001 http://httpbin.org/ip"
echo ""
echo "按 Ctrl+C 停止"

wait
EOF

chmod +x start-local-forward.sh

# 3. 创建测试脚本
cat > test-proxies.sh << 'EOF'
#!/bin/bash

echo "测试代理连接..."

for i in {1..5}; do  # 只测试前5个
    port=$((20000 + i))
    echo -n "测试端口 $port: "
    
    result=$(timeout 10 curl -s --socks5 127.0.0.1:$port http://httpbin.org/ip 2>/dev/null | jq -r '.origin' 2>/dev/null)
    
    if [ -n "$result" ]; then
        echo "✓ $result"
    else
        echo "✗ 连接失败"
    fi
done
EOF

chmod +x test-proxies.sh

# 4. 创建 Clash 配置
cat > clash-webshare-config.yaml << 'EOF'
port: 7890
socks-port: 7891
allow-lan: true
mode: Rule
log-level: info
external-controller: 127.0.0.1:9090

proxies:
EOF

for i in {1..20}; do
    port=$((20000 + i))
    cat >> clash-webshare-config.yaml << EOF
  - name: "WebShare-$i"
    type: socks5
    server: 127.0.0.1
    port: $port

EOF
done

cat >> clash-webshare-config.yaml << 'EOF'
proxy-groups:
  - name: "WebShare"
    type: select
    proxies:
EOF

for i in {1..20}; do
    echo "      - \"WebShare-$i\"" >> clash-webshare-config.yaml
done

cat >> clash-webshare-config.yaml << 'EOF'

  - name: "LoadBalance"
    type: load-balance
    url: http://www.gstatic.com/generate_204
    interval: 300
    proxies:
EOF

for i in {1..20}; do
    echo "      - \"WebShare-$i\"" >> clash-webshare-config.yaml
done

cat >> clash-webshare-config.yaml << 'EOF'

rules:
  - MATCH,WebShare
EOF

echo ""
echo "=== 设置完成 ==="
echo ""
echo "使用步骤:"
echo "1. 确保甲骨文服务器已启动代理中转"
echo "2. 运行: ./start-local-forward.sh"
echo "3. 测试: ./test-proxies.sh"
echo "4. 使用 Clash: clash -f clash-webshare-config.yaml"
echo ""
echo "本地 SOCKS5 代理: 127.0.0.1:20001-20020"