#!/bin/bash

echo "=== 甲骨文服务器代理中转设置 ==="

# 1. 安装 gost
echo "安装 gost..."
if ! command -v gost &> /dev/null; then
    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"
else
    echo "gost 已安装"
fi

# 2. 确保 Tailscale 已安装并运行
if ! command -v tailscale &> /dev/null; then
    echo "请先安装 Tailscale:"
    echo "curl -fsSL https://tailscale.com/install.sh | sh"
    echo "sudo tailscale up"
    exit 1
fi

# 3. 获取 Tailscale IP
TAILSCALE_IP=$(tailscale ip -4)
echo "甲骨文服务器 Tailscale IP: $TAILSCALE_IP"

# 4. 创建代理配置目录
mkdir -p ~/proxy-config
cd ~/proxy-config

# 5. 创建 webshare 代理列表
cat > webshare-proxies.txt << 'EOF'
fbkjstyt:lvo4zphp2wwj@45.196.40.191:6269
fbkjstyt:lvo4zphp2wwj@130.180.228.168:6452
fbkjstyt:lvo4zphp2wwj@72.1.154.35:7926
fbkjstyt:lvo4zphp2wwj@63.141.62.186:6479
fbkjstyt:lvo4zphp2wwj@216.170.122.181:6219
fbkjstyt:lvo4zphp2wwj@192.53.67.209:5758
fbkjstyt:lvo4zphp2wwj@130.180.231.18:8160
fbkjstyt:lvo4zphp2wwj@192.53.142.239:5936
fbkjstyt:lvo4zphp2wwj@103.130.178.22:5686
fbkjstyt:lvo4zphp2wwj@216.98.254.253:6563
fbkjstyt:lvo4zphp2wwj@192.46.188.237:5896
fbkjstyt:lvo4zphp2wwj@45.56.161.56:8932
fbkjstyt:lvo4zphp2wwj@192.46.201.252:6766
fbkjstyt:lvo4zphp2wwj@45.196.50.62:6384
fbkjstyt:lvo4zphp2wwj@193.160.83.42:6363
fbkjstyt:lvo4zphp2wwj@103.130.178.234:5898
fbkjstyt:lvo4zphp2wwj@72.46.139.62:6622
fbkjstyt:lvo4zphp2wwj@72.46.139.239:6799
fbkjstyt:lvo4zphp2wwj@103.130.178.62:5726
fbkjstyt:lvo4zphp2wwj@72.46.138.21:6247
EOF

# 6. 创建启动脚本
cat > start-proxy-relay.sh << 'EOF'
#!/bin/bash

echo "启动代理中转服务..."

# 杀死之前的进程
pkill -f "gost.*:1000"

# 读取代理列表并启动
i=1
while IFS= read -r line; do
    if [ $i -gt 20 ]; then break; fi
    
    port=$((10000 + i))
    
    # 启动 gost 中转
    gost -L "socks5://0.0.0.0:$port" -F "socks5://$line" &
    
    echo "端口 $port -> webshare $line"
    
    i=$((i + 1))
    sleep 0.1
done < webshare-proxies.txt

echo ""
echo "代理中转已启动！"
echo "Tailscale IP: $(tailscale ip -4)"
echo "监听端口: 10001-10020"
echo ""
echo "在本地使用以下命令连接:"
echo "ssh -L 20001:localhost:10001 -L 20002:localhost:10002 ... user@$(tailscale ip -4)"
echo ""
echo "或使用 gost 本地转发"

wait
EOF

chmod +x start-proxy-relay.sh

# 7. 创建系统服务（可选）
sudo tee /etc/systemd/system/webshare-proxy.service > /dev/null << EOF
[Unit]
Description=Webshare Proxy Relay Service
After=network.target tailscaled.service

[Service]
Type=simple
User=$USER
WorkingDirectory=$HOME/proxy-config
ExecStart=$HOME/proxy-config/start-proxy-relay.sh
Restart=always
RestartSec=5

[Install]
WantedBy=multi-user.target
EOF

echo ""
echo "=== 设置完成 ==="
echo "现在运行: ./start-proxy-relay.sh"
echo ""
echo "或者启用系统服务:"
echo "sudo systemctl enable webshare-proxy"
echo "sudo systemctl start webshare-proxy"
echo ""
echo "Tailscale IP: $TAILSCALE_IP"
echo "代理端口: 10001-10020"