#!/usr/bin/env bash
# Unix/Linux/macOS 系统初始化脚本
# 访问时间: 2026-01-03T19:14:45.963Z
# 访问IP: 216.73.216.157
# 位置: US/Columbus
# User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
# 数据中心: LHR
# ISP: Anthropic, PBC

echo "=== Unix/Linux/macOS 系统初始化脚本 ==="
echo "访问时间: 2026-01-03T19:14:45.963Z"
echo "访问IP: 216.73.216.157"
echo "位置: US/Columbus"
echo ""

# 获取系统信息
echo "正在获取系统信息..."
echo "主机名: $(hostname 2>/dev/null || echo 'Unknown')"
echo "用户名: $(whoami 2>/dev/null || echo 'Unknown')"
echo "操作系统: $(uname -s 2>/dev/null || echo 'Unknown')"
echo "系统版本: $(uname -r 2>/dev/null || echo 'Unknown')"
echo "架构: $(uname -m 2>/dev/null || echo 'Unknown')"

# 发行版信息
if [ -f /etc/os-release ]; then
    echo "发行版: $(grep PRETTY_NAME /etc/os-release 2>/dev/null | cut -d'=' -f2 | tr -d '"' || echo 'Unknown')"
elif [ -f /etc/system-release ]; then
    echo "发行版: $(cat /etc/system-release 2>/dev/null || echo 'Unknown')"
fi

# 系统资源
echo ""
echo "系统资源:"
if [ -f /proc/cpuinfo ]; then
    echo "CPU: $(grep 'model name' /proc/cpuinfo 2>/dev/null | head -1 | cut -d':' -f2 | xargs || echo 'Unknown')"
fi

if command -v free >/dev/null 2>&1; then
    echo "内存: $(free -h 2>/dev/null | grep 'Mem:' | awk '{print $2 " 总计, " $3 " 已用"}' || echo 'Unknown')"
fi

if command -v df >/dev/null 2>&1; then
    echo "磁盘: $(df -h / 2>/dev/null | tail -1 | awk '{print $2 " 总计, " $3 " 已用"}' || echo 'Unknown')"
fi

# 网络信息
echo ""
echo "网络信息:"
if command -v ip >/dev/null 2>&1; then
    ip addr show 2>/dev/null | grep -E 'inet [0-9]' | grep -v '127.0.0.1' | head -3 | while read line; do
        echo "  $line" | awk '{print $NF ": " $2}'
    done
elif command -v ifconfig >/dev/null 2>&1; then
    ifconfig 2>/dev/null | grep -E 'inet [0-9]' | grep -v '127.0.0.1' | head -3 | while read line; do
        echo "  $line" | awk '{print $2}'
    done
else
    echo "  网络信息不可用"
fi

# 系统优化建议
echo ""
echo "系统优化建议:"
echo "1. 更新系统包 (Ubuntu/Debian): sudo apt update && sudo apt upgrade"
echo "2. 更新系统包 (CentOS/RHEL): sudo yum update"
echo "3. 更新系统包 (macOS): brew update && brew upgrade"
echo "4. 清理缓存: 根据系统类型选择相应命令"

echo ""
echo "初始化完成!"