#!/usr/bin/env bash
export LANG=en_US.UTF-8

# 当前脚本版本号和新增功能
VERSION=1.0.3
declare -A T

T[E0]="\n Language:\n  1.English (default) \n  2.简体中文\n"
T[C0]="${T[E0]}"
T[E1]="1. Menu + shortcuts for various usage scenarios; 2. Chinese and English language support"
T[C1]="1. 菜单 + 快捷 方式，适合各种使用场景; 2. 支持中英双语"
T[E2]="warp-go h (help menu)\n warp-go o (temporary warp-go switch)\n warp-go u (uninstall WARP web interface and warp-go)\n warp-go v (sync script to latest version)\n warp-go i (replace IP with Netflix support)\n warp-go 4/6 ( WARP IPv4/IPv6 single-stack)\n warp-go d (WARP dual-stack)\n warp-go n (WARP IPv4 non-global)\n warp-go g (WARP global/non-global switching)\n warp-go e (output wireguard configuration file)"
T[C2]="warp-go h (帮助菜单）\n warp-go o (临时 warp-go 开关)\n warp-go u (卸载 WARP 网络接口和 warp-go)\n warp-go v (同步脚本至最新版本)\n warp-go i (更换支持 Netflix 的IP)\n warp-go 4/6 (WARP IPv4/IPv6 单栈)\n warp-go d (WARP 双栈)\n warp-go n (WARP IPv4 非全局)\n warp-go g (WARP 全局 / 非全局相互切换)\n warp-go e (输出 wireguard 配置文件)"
T[E3]="This project is designed to add WARP network interface for VPS, using warp-go core, using various interfaces of CloudFlare-WARP, integrated wireguard-go, can completely replace WGCF. Save Hong Kong, Toronto and other VPS, can also get WARP IP. Thanks again @CoiaPrant and his team. Project address: https://gitlab.com/ProjectWARP/warp-go/-/tree/master/"
T[C3]="本项目专为 VPS 添加 WARP 网络接口，使用 wire-go 核心程序，利用CloudFlare-WARP 的各类接口，集成 wireguard-go，可以完全替代 WGCF。 救活了香港、多伦多等 VPS 也可以获取 WARP IP。再次感谢 @CoiaPrant 及其团队。项目地址: https://gitlab.com/ProjectWARP/warp-go/-/tree/master/"
T[E4]="Choose:"
T[C4]="请选择:"
T[E5]="You must run the script as root. You can type sudo -i and then download and run it again. Feedback:[https://github.com/fscarmen/warp/issues]"
T[C5]="必须以root方式运行脚本，可以输入 sudo -i 后重新下载运行，问题反馈:[https://github.com/fscarmen/warp/issues]"
T[E6]="This script only supports Debian, Ubuntu, CentOS, Arch or Alpine systems, Feedback: [https://github.com/fscarmen/warp/issues]"
T[C6]="本脚本只支持 Debian、Ubuntu、CentOS、Arch 或 Alpine 系统,问题反馈:[https://github.com/fscarmen/warp/issues]"
T[E7]="Curren operating system is \$SYS.\\\n The system lower than \$SYSTEM \${MAJOR[int]} is not supported. Feedback: [https://github.com/fscarmen/warp/issues]"
T[C7]="当前操作是 \$SYS\\\n 不支持 \$SYSTEM \${MAJOR[int]} 以下系统,问题反馈:[https://github.com/fscarmen/warp/issues]"
T[E8]="Installing curl..."
T[C8]="安装curl中……"
T[E9]="It is necessary to upgrade the latest package library before install curl.It will take a little time,please be patiently..."
T[C9]="先升级软件库才能继续安装 curl，时间较长，请耐心等待……"
T[E10]="Installation of curl fails. Script aborts. Feedback:[https://github.com/fscarmen/warp/issues]"
T[C10]="安装 curl 失败，脚本中止，问题反馈:[https://github.com/fscarmen/warp/issues]"
T[E11]="Warp-go is not installed yet."
T[C11]="还没有安装 warp-go"
T[E12]="To install, press [y] and other keys to exit:"
T[C12]="如需安装，请按[y]，其他键退出:"
T[E13]="\$(date +'%F %T') Try \${i}. Failed. IPv\$NF: \$WAN  \$COUNTRY  \$ASNORG. Retry after \${j} seconds. Brush ip runing time:\$DAY days \$HOUR hours \$MIN minutes \$SEC seconds"
T[C13]="\$(date +'%F %T') 尝试第\${i}次，解锁失败，IPv\$NF: \$WAN  \$COUNTRY  \$ASNORG，\${j}秒后重新测试，刷 IP 运行时长: \$DAY 天 \$HOUR 时 \$MIN 分 \$SEC 秒"
T[E14]="\n 1. Brush WARP IPv4 (default)\n 2. Brush WARP IPv6\n"
T[C14]="\n 1. 刷 WARP IPv4 (默认)\n 2. 刷 WARP IPv6\n"
T[E15]="The current Netflix region is:\$REGION. To unlock the current region please press [y]. For other addresses please enter two regional abbreviations \(e.g. hk,sg, default:\$REGION\):"
T[C15]="当前 Netflix 地区是:\$REGION，需要解锁当前地区请按 y , 如需其他地址请输入两位地区简写 \(如 hk ,sg，默认:\$REGION\):"
T[E16]="\$(date +'%F %T') Region: \$REGION Done. IPv\$NF: \$WAN  \$COUNTRY  \$ASNORG. Retest after 1 hour. Brush ip runing time:\$DAY days \$HOUR hours \$MIN minutes \$SEC seconds"
T[C16]="\$(date +'%F %T') 区域 \$REGION 解锁成功，IPv\$NF: \$WAN  \$COUNTRY  \$ASNORG，1 小时后重新测试，刷 IP 运行时长: \$DAY 天 \$HOUR 时 \$MIN 分 \$SEC 秒"
T[E17]="WARP network interface and warp-go have been completely removed!"
T[C17]="WARP 网络接口及 warp-go 已彻底删除!"
T[E18]="Successfully synchronized the latest version"
T[C18]="成功！已同步最新脚本，版本号"
T[E19]="New features"
T[C19]="功能新增"
T[E20]="Maximum \${j} attempts to get WARP IP..."
T[C20]="后台获取 WARP IP 中,最大尝试\${j}次……"
T[E21]="Try \${i}"
T[C21]="第\${i}次尝试"
T[E22]="Current Teams account is not available. Switch back to free account automatically."
T[C22]="当前 Teams 账户不可用，自动切换回免费账户"
T[E23]="Failed more than \${j} times, script aborted. Feedback: [https://github.com/fscarmen/warp/issues]"
T[C23]="失败已超过\${j}次，脚本中止，问题反馈:[https://github.com/fscarmen/warp/issues]"
T[E24]="non-"
T[C24]="非"
T[E25]="Successfully got WARP \$ACCOUNT_TYPE network.\\\n Running in \${GLOBAL_TYPE}global mode."
T[C25]="已成功获取 WARP \$ACCOUNT_TYPE 网络\\\n 运行在 \${GLOBAL_TYPE}全局 模式"
T[E26]="WARP+ quota"
T[C26]="剩余流量"
T[E27]="WARP is turned off. It could be turned on again by [warp-go o]"
T[C27]="已暂停 WARP，再次开启可以用 warp-go o"
T[E28]="WARP Non-global mode cannot switch between single and double stacks."
T[C28]="WARP 非全局模式下不能切换单双栈"
T[E29]="To switch to global mode, press [y] and other keys to exit:"
T[C29]="如需更换为全局模式，请按[y]，其他键退出:"
T[E30]="Cannot switch to the same form as the current one."
T[C30]="不能切换为当前一样的形态"
T[E31]="Switch \${WARP_BEFORE[m]} to \${WARP_AFTER1[m]}"
T[C31]="\${WARP_BEFORE[m]} 转为 \${WARP_AFTER1[m]}"
T[E32]="Switch \${WARP_BEFORE[m]} to \${WARP_AFTER2[m]}"
T[C32]="\${WARP_BEFORE[m]} 转为 \${WARP_AFTER2[m]}"
T[E33]="\\\n WARP network interface can be switched as follows:\\\n 1. \$OPTION1\\\n 2. \$OPTION2\\\n 0. Exit script\\\n"
T[C33]="\\\n WARP 网络接口可以切换为以下方式:\\\n 1. \$OPTION1\\\n 2. \$OPTION2\\\n 0. 退出脚本\\\n"
T[E34]="Please enter the correct number"
T[C34]="请输入正确数字"
T[E35]="Checking VPS infomation..."
T[C35]="检查环境中……"
T[E36]="The TUN module is not loaded. You should turn it on in the control panel. Ask the supplier for more help. Feedback: [https://github.com/fscarmen/warp/issues]"
T[C36]="没有加载 TUN 模块，请在管理后台开启或联系供应商了解如何开启，问题反馈:[https://github.com/fscarmen/warp/issues]"
T[E37]="Curren architecture \$(uname -m) is not supported. Feedback: [https://github.com/fscarmen/warp/issues]"
T[C37]="当前架构 \$(uname -m) 暂不支持,问题反馈:[https://github.com/fscarmen/warp/issues]"
T[E38]="If there is a WARP+ License, please enter it, otherwise press Enter to continue:"
T[C38]="如有 WARP+ License 请输入，没有可回车继续:"
T[E39]="Input errors up to 5 times.The script is aborted."
T[C39]="输入错误达5次，脚本退出"
T[E40]="License should be 26 characters, please re-enter WARP+ License. Otherwise press Enter to continue. \(\${i} times remaining\):"
T[C40]="License 应为26位字符，请重新输入 WARP+ License，没有可回车继续\(剩余\${i}次\):"
T[E41]="Please customize the WARP+ device name (Default is [warp-go] if left blank):"
T[C41]="请自定义 WARP+ 设备名 (如果不输入，默认为 [warp-go]):"
T[E42]="Please Input WARP+ license:"
T[C42]="请输入WARP+ License:"
T[E43]="License should be 26 characters, please re-enter WARP+ License. Otherwise press Enter to continue. \(\${i} times remaining\): "
T[C43]="License 应为26位字符,请重新输入 WARP+ License \(剩余\${i}次\): "
T[E44]="Please enter the Teams Token (You can easily available at https://warp-team-api.herokuapp.com/. Or use the one provided by the script if left blank):"
T[C44]="请输入 Teams Token (可通过 https://warp-team-api.herokuapp.com/ 轻松获取，如果留空，则使用脚本提供的):"
T[E45]="Token error, please re-enter Teams token \(remaining \{i} times):"
T[C45]="Token 错误,请重新输入 Teams token \(剩余\${i}次\):"
T[E46]="Can't find the account file: /opt/warp-go/warp.conf.You can uninstall and reinstall it."
T[C46]="找不到账户文件：/opt/warp-go/warp.conf，可以卸载后重装"
T[E47]="It is a WARP+ account already. Quota: \$QUOTA. Update is aborted."
T[C47]="已经是 WARP+ 账户，剩余流量: \$QUOTA，不需要升级"
T[E48]="It is a Teams account already. Update is aborted."
T[C48]="已经是 Teams 账户，不需要升级"
T[E49]="\n 1. Use WARP+ license to upgrade \n 2. Use Teams token to upgrade\n"
T[C49]="\n 1.使用 WARP+ license 升级\n 2.使用 Teams token 升级\n"
T[E50]="Registration of teams account failed, script aborted. Feedback: [https://github.com/fscarmen/warp/issues]"
T[C50]="注册 teams 账户失败，脚本中止，问题反馈: [https://github.com/fscarmen/warp/issues]"
T[E51]="Warp-go not yet installed. No account registered. Script aborted. Feedback: [https://github.com/fscarmen/warp/issues]"
T[C51]="warp-go 还没有安装，没有注册账户，脚本中止，问题反馈: [https://github.com/fscarmen/warp/issues]"
T[E52]="Path to wgcf.conf for this account: /opt/warp-go/wgcf.conf\n"
T[C52]="该账户的 wgcf.conf 路径: /opt/warp-go/wgcf.conf\n"
T[E53]="Warp-go installed. Script aborted. Feedback: [https://github.com/fscarmen/warp/issues]"
T[C53]="warp-go 已安装，脚本中止，问题反馈: [https://github.com/fscarmen/warp/issues]"
T[E54]="\n Is there a WARP+ or Teams account?\n  1. WARP+\n  2. Teams\n  3. use free account (default)\n"
T[C54]="\n 如有 WARP+ 或 Teams 账户请选择\n  1. WARP+\n  2. Teams\n  3. 使用免费账户 (默认)\n"
T[E55]="\n Please choose the priority:\n  1. IPv4 (default)\n  2. IPv6\n  3. Use initial settings\n"
T[C55]="\n 请选择优先级别:\n  1. IPv4 (默认)\n  2. IPv6\n  3. 使用 VPS 初始设置\n"
T[E56]="Download warp-go zip file unsuccessful. Script exits. Feedback: [https://github.com/fscarmen/warp/issues]"
T[C56]="下载 warp-go 压缩文件不成功，脚本退出，问题反馈: [https://github.com/fscarmen/warp/issues]"
T[E57]="Warp-go file does not exist, script exits. Feedback: [https://github.com/fscarmen/warp/issues]"
T[C57]="warp-go 文件不存在，脚本退出，问题反馈: [https://github.com/fscarmen/warp/issues]"
T[E58]="Registration of teams account failed. Script aborted. Feedback: [https://github.com/fscarmen/warp/issues]"
T[C58]="注册 teams 账户失败，脚本中止，问题反馈:[https://github.com/fscarmen/warp/issues]"
T[E59]="Registration of free account failed. Script aborted. Feedback: [https://github.com/fscarmen/warp/issues]"
T[C59]="注册 warp 账户失败，脚本中止，问题反馈: [https://github.com/fscarmen/warp/issues]"
T[E60]="\n Step 1/3: Install dependencies..."
T[C60]="\n 进度 2/3: 已安装 warp-go\n"
T[E61]="\n Step 1/3: Install dependencies...\n"
T[C61]="\n 进度 1/3: 安装系统依赖……\n"
T[E62]="Congratulations! WARP \$ACCOUNT_TYPE has been turn on. Total time spent:\$(( end - start )) seconds.\\\n Number of script runs in the day: \$TODAY. Total number of runs: \$TOTAL."
T[C62]="恭喜！WARP \$ACCOUNT_TYPE 已开启，总耗时:\$(( end - start ))秒\\\n 脚本当天运行次数: \$TODAY，累计运行次数：\$TOTAL"
T[E63]="Warp-go installation failed. Feedback: [https://github.com/fscarmen/warp/issues]"
T[C63]="warp-go 安装失败，问题反馈: [https://github.com/fscarmen/warp/issues]"
T[E64]="Add WARP IPv4 global network interface for \${NATIVE[m]}, IPv4 priority \(bash warp-go.sh 4\)"
T[C64]="为 \${NATIVE[m]} 添加 WARP IPv4 全局 网络接口，IPv4 优先 \(bash warp-go.sh 4\)"
T[E65]="Add WARP IPv4 global network interface for \${NATIVE[m]}, IPv6 priority \(bash warp-go.sh 4\)"
T[C65]="为 \${NATIVE[m]} 添加 WARP IPv4 全局 网络接口，IPv6 优先 \(bash warp-go.sh 4\)"
T[E66]="Add WARP IPv6 global network interface for \${NATIVE[m]}, IPv4 priority \(bash warp-go.sh 6\)"
T[C66]="为 \${NATIVE[m]} 添加 WARP IPv6 全局 网络接口，IPv4 优先 \(bash warp-go.sh 6\)"
T[E67]="Add WARP IPv6 global network interface for \${NATIVE[m]}, IPv6 priority \(bash warp-go.sh 6\)"
T[C67]="为 \${NATIVE[m]} 添加 WARP IPv6 全局 网络接口，IPv6 优先 \(bash warp-go.sh 6\)"
T[E68]="Add WARP dual-stacks global network interface for \${NATIVE[m]}, IPv4 priority \(bash warp-go.sh d\)"
T[C68]="为 \${NATIVE[m]} 添加 WARP 双栈 全局 网络接口，IPv4 优先 \(bash warp-go.sh d\)"
T[E69]="Add WARP dual-stacks global network interface for \${NATIVE[m]}, IPv6 priority \(bash warp-go.sh d\)"
T[C69]="为 \${NATIVE[m]} 添加 WARP 双栈 全局 网络接口，IPv6 优先 \(bash warp-go.sh d\)"
T[E70]="Add WARP IPv4 non-global network interface for \${NATIVE[m]}, IPv4 priority \(bash warp-go.sh n\)"
T[C70]="为 \${NATIVE[m]} 添加 WARP IPv4 非全局 网络接口，IPv4 优先 \(bash warp-go.sh n\)"
T[E71]="Add WARP IPv4 non-global network interface for \${NATIVE[m]}, IPv6 priority \(bash warp-go.sh n\)"
T[C71]="为 \${NATIVE[m]} 添加 WARP IPv4 非全局 网络接口，IPv6 优先 \(bash warp-go.sh n\)"
T[E72]="Turn off warp-go (warp-go o)"
T[C72]="关闭 warp-go (warp-go o)"
T[E73]="Turn on warp-go (warp-go o)"
T[C73]="打开 warp-go (warp-go o)"
T[E74]="\${WARP_BEFORE[m]} switch to \${WARP_AFTER1[m]} \${SHORTCUT1[m]}"
T[C74]="\${WARP_BEFORE[m]} 转为 \${WARP_AFTER1[m]} \${SHORTCUT1[m]}"
T[E75]="\${WARP_BEFORE[m]} switch to \${WARP_AFTER2[m]} \${SHORTCUT2[m]}"
T[C75]="\${WARP_BEFORE[m]} 转为 \${WARP_AFTER1[m]} \${SHORTCUT2[m]}"
T[E76]="Switch to WARP \${GLOBAL_AFTER}global network interface  \(warp-go g\)"
T[C76]="转为 WARP \${GLOBAL_AFTER}全局 网络接口  \(warp-go g\)"
T[E77]="Upgrade to WARP+ or Teams account \(warp-go a\)"
T[C77]="升级为 WARP+ 或 Teams 账户 \(warp-go a\)"
T[E78]="Change the WARP IP to support Netflix (warp-go i)"
T[C78]="更换支持 Netflix 的 IP (warp-go i)"
T[E79]="Export wgcf configuration file (warp-go e)"
T[C79]="输出 wgcf 配置文件 (warp-go e)"
T[E80]="Uninstall the WARP interface and warp-go (warp-go u)"
T[C80]="卸载 WARP 网络接口和 warp-go (warp-go u)"
T[E81]="Exit"
T[C81]="退出脚本"
T[E82]="Sync the latest version"
T[C82]="同步最新版本"
T[E83]="Device Name"
T[C83]="设备名"
T[E84]="Version"
T[C84]="脚本版本"
T[E85]="New features"
T[C85]="功能新增"
T[E86]="System infomation"
T[C86]="系统信息"
T[E87]="Operating System"
T[C87]="当前操作系统"
T[E88]="Kernel"
T[C88]="内核"
T[E89]="Architecture"
T[C89]="处理器架构"
T[E90]="Virtualization"
T[C90]="虚拟化"
T[E91]="WARP \$TYPE Interface is on"
T[C91]="WARP \$TYPE 网络接口已开启"
T[E92]="Running in \${GLOBAL_TYPE}global mode"
T[C92]="运行在 \${GLOBAL_TYPE}全局 模式"
T[E93]="WARP network interface is not turned on"
T[C93]="WARP 网络接口未开启"
T[E94]="Native dualstack"
T[C94]="原生双栈"
T[E95]="Run again with warp-go [option] [lisence], such as"
T[C95]="再次运行用 warp-go [option] [lisence]，如"
T[E96]="WARP dualstack"
T[C96]="WARP 双栈"

# 自定义字体彩色，read 函数，友道翻译函数
red(){ echo -e "\033[31m\033[01m$@\033[0m"; }
green(){ echo -e "\033[32m\033[01m$@\033[0m"; }
yellow(){ echo -e "\033[33m\033[01m$@\033[0m"; }
reading(){ read -rp "$(green "$1")" "$2"; }
translate(){ [[ -n "$1" ]] && curl -ksm8 "http://fanyi.youdao.com/translate?&doctype=json&type=AUTO&i=$1" | cut -d \" -f18 2>/dev/null; }

# 脚本当天及累计运行次数统计
statistics_of_run-times(){
  COUNT=$(curl -ksm1 "https://hits.seeyoufarm.com/api/count/incr/badge.svg?url=https%3A%2F%2Fraw.githubusercontent.com%2Ffscarmen%2Fwarp%2Fmain%2Fwarp-go.sh&count_bg=%2379C83D&title_bg=%23555555&icon=&icon_color=%23E7E7E7&title=hits&edge_flat=false" 2>&1) &&
  TODAY=$(expr "$COUNT" : '.*\s\([0-9]\{1,\}\)\s/.*') && TOTAL=$(expr "$COUNT" : '.*/\s\([0-9]\{1,\}\)\s.*')
  }

# 选择语言，先判断 /opt/warp-go/language 里的语言选择，没有的话再让用户选择，默认英语
select_language(){
  case $(cat /opt/warp-go/language 2>&1) in
    E ) L=E;;	C ) L=C;;
    * ) L=E && [[ -z $OPTION || $OPTION = [iv46dna] ]] && yellow " ${T[${L}0]} " && reading " ${T[${L}4]} " LANGUAGE
        [[ $LANGUAGE = 2 ]] && L=C;;
  esac
	}

# 必须以root运行脚本
check_root_virt(){
  [[ $(id -u) != 0 ]] && red " ${T[${L}5]} " && exit 1

  # 判断虚拟化，选择 Wireguard内核模块 还是 Wireguard-Go
  VIRT=$(systemd-detect-virt 2>/dev/null | tr '[:upper:]' '[:lower:]')
  [[ -z $VIRT ]] && VIRT=$(hostnamectl 2>/dev/null | tr '[:upper:]' '[:lower:]' | grep virtualization | sed "s/.*://g")
  }

# 检测 warp-go 的安装状态。 0-未安装; 1-已安装未启动; 2-已安装启动中
check_install(){
  if [[ -e /opt/warp-go/warp.conf ]]; then
    [[ $(ip a) =~ ": WARP:" ]] && STATUS=2 || STATUS=1
  else
    STATUS=0
  fi
}

# 多方式判断操作系统，试到有值为止。只支持 Debian 9/10/11、Ubuntu 18.04/20.04/22.04 或 CentOS 7/8 ,如非上述操作系统，退出脚本
check_operating_system(){
  CMD=(	"$(grep -i pretty_name /etc/os-release 2>/dev/null | cut -d \" -f2)"
        "$(hostnamectl 2>/dev/null | grep -i system | cut -d : -f2)"
        "$(lsb_release -sd 2>/dev/null)"
        "$(grep -i description /etc/lsb-release 2>/dev/null | cut -d \" -f2)"
        "$(grep . /etc/redhat-release 2>/dev/null)"
        "$(grep . /etc/issue 2>/dev/null | cut -d \\ -f1 | sed '/^[ ]*$/d')"
      )

  for i in "${CMD[@]}"; do
    SYS="$i" && [[ -n $SYS ]] && break
  done

  # 自定义 Alpine 系统若干函数
  alpine_warp_restart(){ kill -15 $(pgrep warp-go); /opt/warp-go/warp-go --config=/opt/warp-go/warp.conf; }
  alpine_wgcf_enable(){ echo 'nohup /opt/warp-go/warp-go --config=/opt/warp-go/warp-go/warp.conf &' > /etc/local.d/warp-go.start; chmod +x /etc/local.d/warp-go.start; rc-update add local; }

  REGEX=("debian" "ubuntu" "centos|red hat|kernel|oracle linux|alma|rocky|amazon linux" "alpine" "arch linux")
  RELEASE=("Debian" "Ubuntu" "CentOS" "Alpine" "Arch")
  EXCLUDE=("bookworm")
  MAJOR=("9" "16" "7" "3" "")
  PACKAGE_UPDATE=("apt -y update" "apt -y update" "yum -y update" "apk update -f" "pacman -Sy")
  PACKAGE_INSTALL=("apt -y install" "apt -y install" "yum -y install" "apk add -f" "pacman -S --noconfirm")
  PACKAGE_UNINSTALL=("apt -y autoremove" "apt -y autoremove" "yum -y autoremove" "apk del -f" "pacman -Rcnsu --noconfirm")
  SYSTEMCTL_START=("systemctl start warp-go" "systemctl start warp-go" "systemctl start warp-go" "/opt/warp-go/warp-go --config=/opt/warp-go/warp.conf" "systemctl start warp-go")
  SYSTEMCTL_STOP=("systemctl stop warp-go" "systemctl stop warp-go" "systemctl stop warp-go" "kill -15 \$(pgrep warp-go)" "systemctl stop warp-go")
  SYSTEMCTL_RESTART=("systemctl restart warp-go" "systemctl restart warp-go" "systemctl restart warp-go" "alpine_warp_restart" "systemctl restart wg-quick@wgcf")
  SYSTEMCTL_ENABLE=("systemctl enable --now warp-go" "systemctl enable --now warp-go" "systemctl enable --now warp-go" "alpine_wgcf_enable" "systemctl enable --now warp-go")

  for ((int=0; int<${#REGEX[@]}; int++)); do
    [[ $(echo "$SYS" | tr '[:upper:]' '[:lower:]') =~ ${REGEX[int]} ]] && SYSTEM="${RELEASE[int]}" && COMPANY="${COMPANY[int]}" && [[ -n $SYSTEM ]] && break
  done
  [[ -z $SYSTEM ]] && red " ${T[${L}6]} " && exit 1

  # 先排除 EXCLUDE 里包括的特定系统，其他系统需要作大发行版本的比较
  for ex in "${EXCLUDE[@]}"; do [[ ! $(echo "$SYS" | tr '[:upper:]' '[:lower:]')  =~ $ex ]]; done &&
  [[ $(echo $SYS | sed "s/[^0-9.]//g" | cut -d. -f1) -lt "${MAJOR[int]}" ]] && red " $(eval echo "${T[${L}7]}") " && exit 1
  }

# 安装 curl
check_dependencies(){
  type -P curl >/dev/null 2>&1 || (yellow " ${T[${L}8]} " && ${PACKAGE_INSTALL[int]} curl) || (yellow " ${T[${L}9]} " && ${PACKAGE_UPDATE[int]} && ${PACKAGE_INSTALL[int]} curl)
  ! type -P curl >/dev/null 2>&1 && red " ${T[${L}10]} " && exit 1
  [[ $SYSTEM = Alpine ]] && ! type -P curl >/dev/null 2>&1 && ${PACKAGE_UPDATE[int]} && ${PACKAGE_INSTALL[int]} curl wget grep
  }

# 检测 IPv4 IPv6 信息，WARP Ineterface 开启，普通还是 Plus账户 和 IP 信息
ip4_info(){
  unset IP4 LAN4 COUNTRY4 ASNORG4 TRACE4 PLUS4 WARPSTATUS4
  IP4=$(curl -ks4m8 https://ip.gs/json $INTERFACE)
  LAN4=$(ip route get 162.159.193.10 2>/dev/null | grep -oP 'src \K\S+')
  WAN4=$(expr "$IP4" : '.*ip\":\"\([^"]*\).*')
  COUNTRY4=$(expr "$IP4" : '.*country\":\"\([^"]*\).*')
  ASNORG4=$(expr "$IP4" : '.*asn_org\":\"\([^"]*\).*')
  TRACE4=$(curl -ks4m8 https://www.cloudflare.com/cdn-cgi/trace $INTERFACE | grep warp | sed "s/warp=//g")
  }

ip6_info(){
  unset IP6 LAN6 COUNTRY6 ASNORG6 TRACE6 PLUS6 WARPSTATUS6
  IP6=$(curl -ks6m8 https://ip.gs/json)
  LAN6=$(ip route get 2606:4700:d0::a29f:c001 2>/dev/null | grep -oP 'src \K\S+')
  WAN6=$(expr "$IP6" : '.*ip\":\"\([^"]*\).*')
  COUNTRY6=$(expr "$IP6" : '.*country\":\"\([^"]*\).*')
  ASNORG6=$(expr "$IP6" : '.*asn_org\":\"\([^"]*\).*')
  TRACE6=$(curl -ks6m8 https://www.cloudflare.com/cdn-cgi/trace | grep warp | sed "s/warp=//g")
  }

# 帮助说明
help(){	yellow " ${T[${L}2]} "; }

# IPv4 / IPv6 优先
stack_priority(){
  [[ -e /etc/gai.conf ]] && sed -i '/^precedence \:\:ffff\:0\:0/d;/^label 2002\:\:\/16/d' /etc/gai.conf
  case "$PRIORITY" in
    2 )	echo "label 2002::/16   2" >> /etc/gai.conf;;
    3 )	;;
    * )	echo "precedence ::ffff:0:0/96  100" >> /etc/gai.conf;;
  esac
  }

need_install(){
  [[ $STATUS = 0 ]] && red " ${T[${L}11]} " && reading " ${T[${L}12]} " TO_INSTALL
  [[ $TO_INSTALL = [Yy] ]] && install
  }

# 更换支持 Netflix WARP IP 改编自 [luoxue-bot] 的成熟作品，地址[https://github.com/luoxue-bot/warp_auto_change_ip]
change_ip(){
  need_install
  warp_restart(){ red " $(eval echo "${T[${L}13]}") " && ${SYSTEMCTL_RESTART[int]}; sleep $j; }

  # 设置时区，让时间戳时间准确，显示脚本运行时长，中文为 GMT+8，英文为 UTC; 设置 UA
  ip_start=$(date +%s)
  [[ $SYSTEM != Alpine ]] && ( [[ $L = C ]] && timedatectl set-timezone Asia/Shanghai || timedatectl set-timezone UTC )
  UA_Browser="Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.87 Safari/537.36"

  # 根据 lmc999 脚本检测 Netflix Title，如获取不到，使用兜底默认值
  LMC999=$(curl -sSLm4 https://raw.githubusercontent.com/lmc999/RegionRestrictionCheck/main/check.sh)
  RESULT_TITLE=$(echo "$LMC999" | grep "result.*netflix.com/title/" | sed "s/.*title\/\([^\"]*\).*/\1/")
  REGION_TITLE=$(echo "$LMC999" | grep "region.*netflix.com/title/" | sed "s/.*title\/\([^\"]*\).*/\1/")
  RESULT_TITLE=${RESULT_TITLE:-'81215567'}; REGION_TITLE=${REGION_TITLE:-'80018499'}

  # 检测 WARP 单双栈服务
  unset T4 T6
  INTERFACE='--interface WARP'
  if grep -q "#AllowedIPs" /opt/warp-go/warp.conf; then
    T4=1; T6=0
  else
    grep -q "0\.\0\/0" /opt/warp-go/warp.conf && T4=1 || T4=0
    grep -q "\:\:\/0" /opt/warp-go/warp.conf && T6=1 || T6=0
  fi
  case "$T4$T6" in
    01 ) NF='6';;
    10 ) NF='4';;
    11 ) yellow " ${T[${L}14]} " && reading " ${T[${L}4]} " NETFLIX
         NF='4' && [[ $NETFLIX = 2 ]] && NF='6';;
  esac

  # 输入解锁区域
  if [[ -z "$EXPECT" ]]; then
    [[ -n "$NF" ]] && REGION=$(tr '[:lower:]' '[:upper:]' <<< $(curl --user-agent "${UA_Browser}" $INTERFACE -$NF -fs --max-time 10 --write-out %{redirect_url} --output /dev/null "https://www.netflix.com/title/$REGION_TITLE" | sed 's/.*com\/\([^-/]\{1,\}\).*/\1/g'))
    REGION=${REGION:-'US'}
    reading " $(eval echo "${T[${L}15]}") " EXPECT
    until [[ -z $EXPECT || $EXPECT = [Yy] || $EXPECT =~ ^[A-Za-z]{2}$ ]]; do
      reading " $(eval echo "${T[${L}15]}") " EXPECT
    done
    [[ -z $EXPECT || $EXPECT = [Yy] ]] && EXPECT="$REGION"
  fi

  # 解锁检测程序
  i=0; j=5
  while true; do
    (( i++ )) || true
    ip_now=$(date +%s); RUNTIME=$((ip_now - ip_start)); DAY=$(( RUNTIME / 86400 )); HOUR=$(( (RUNTIME % 86400 ) / 3600 )); MIN=$(( (RUNTIME % 86400 % 3600) / 60 )); SEC=$(( RUNTIME % 86400 % 3600 % 60 ))
    ip${NF}_info
    WAN=$(eval echo \$WAN$NF) && ASNORG=$(eval echo \$ASNORG$NF)
    [[ $L = C ]] && COUNTRY=$(translate "$(eval echo \$COUNTRY$NF)") || COUNTRY=$(eval echo \$COUNTRY$NF)
    RESULT=$(curl --user-agent "${UA_Browser}" $INTERFACE -$NF -fsL --write-out %{http_code} --output /dev/null --max-time 10 "https://www.netflix.com/title/$RESULT_TITLE" 2>&1)
    if [[ $RESULT = 200 ]]; then
      REGION=$(tr '[:lower:]' '[:upper:]' <<< $(curl --user-agent "${UA_Browser}" $INTERFACE -$NF -fs --max-time 10 --write-out %{redirect_url} --output /dev/null "https://www.netflix.com/title/$REGION_TITLE" | sed 's/.*com\/\([^-/]\{1,\}\).*/\1/g'))
      REGION=${REGION:-'US'}
      echo "$REGION" | grep -qi "$EXPECT" && green " $(eval echo "${T[${L}16]}") " && i=0 && sleep 1h || warp_restart
    else warp_restart
    fi
  done
  }

# 关闭 WARP 网络接口，并删除 warp-go
uninstall(){
  unset IP4 IP6 WAN4 WAN6 COUNTRY4 COUNTRY6 ASNORG4 ASNORG6 INTERFACE
  # 卸载
  systemctl disable --now warp-go >/dev/null 2>&1
  kill -15 $(pgrep warp-go) >/dev/null 2>&1
  rule_del >/dev/null 2>&1
  /opt/warp-go/warp-go --config=/opt/warp-go/warp.conf --remove >/dev/null 2>&1
  rm -rf /opt/warp-go /lib/systemd/system/warp-go.service /usr/bin/warp-go
  [[ -e /opt/warp-go/tun.sh ]] && rm -f /opt/warp-go/tun.sh && sed -i '/tun.sh/d' /etc/crontab

  # 显示卸载结果
  ip4_info; [[ $L = C && -n "$COUNTRY4" ]] && COUNTRY4=$(translate "$COUNTRY4")
  ip6_info; [[ $L = C && -n "$COUNTRY6" ]] && COUNTRY6=$(translate "$COUNTRY6")
  green " ${T[${L}17]}\n IPv4: $WAN4 $COUNTRY4 $ASNORG4\n IPv6: $WAN6 $COUNTRY6 $ASNORG6 "
  }

# 同步脚本至最新版本
ver(){
  wget -N -P /opt/warp-go/ https://raw.githubusercontent.com/fscarmen/warp/main/warp-go.sh
  chmod +x /opt/warp-go/warp-go.sh
  ln -sf /opt/warp-go/warp-go.sh /usr/bin/warp-go
  green " ${T[${L}18]}: $(grep ^VERSION /opt/warp-go/warp-go.sh | sed "s/.*=//g")  ${T[${L}19]}: $(grep "T\[${L}1]" /opt/warp-go/warp-go.sh | cut -d \" -f2) "
  exit
  }

# i=当前尝试次数，j=要尝试的次数
net(){
  unset IP4 IP6 WAN4 WAN6 COUNTRY4 COUNTRY6 ASNORG4 ASNORG6 WARPSTATUS4 WARPSTATUS6
  i=1;j=5;
  grep -qE "^AllowedIPs[ ]+=.*0\.\0\/0|#AllowedIPs" /opt/warp-go/warp.conf && INTERFACE='--interface WARP'
  yellow " $(eval echo "${T[${L}20]}")\n $(eval echo "${T[${L}21]}") "
  ${SYSTEMCTL_RESTART[int]}
  sleep 5
  ip4_info; ip6_info
  until [[ $TRACE4$TRACE6 =~ on|plus ]]; do
    (( i++ )) || true
    yellow " $(eval echo "${T[${L}21]}") "
    ${SYSTEMCTL_RESTART[int]}
    sleep 5
    ip4_info; ip6_info
      if [[ $i = "$j" ]]; then
        if [[ -e /opt/warp-go/warp.conf.tmp1 ]]; then 
          i=0 && green " ${T[${L}22]} " &&
          mv -f /opt/warp-go/warp.conf.tmp1 /opt/warp-go/warp.conf
      else
          ${SYSTEMCTL_STOP[int]} >/dev/null 2>&1
          red " $(eval echo "${T[${L}23]}") " && exit 1
        fi
      fi
  done

  ACCOUNT_TYPE=$(grep "Type" /opt/warp-go/warp.conf | cut -d= -f2 | sed "s# ##g")
  [[ $ACCOUNT_TYPE = 'plus' ]] && check_quota
  [[ $WARP_STACK = 4 ]] || grep -q '#AllowedIPs' /opt/warp-go/warp.conf && GLOBAL_TYPE="${T[${L}24]}"

  green " $(eval echo "${T[${L}25]}") "
  [[ $L = C ]] && COUNTRY4=$(translate "$COUNTRY4")
  [[ $L = C ]] && COUNTRY6=$(translate "$COUNTRY6")
  [[ $OPTION = o ]] && green " IPv4: $WAN4 $WARPSTATUS4 $COUNTRY4 $ASNORG4\n IPv6: $WAN6 $WARPSTATUS6 $COUNTRY6 $ASNORG6 "
  [[ -n "$QUOTA" ]] && green " ${T[${L}26]}: $QUOTA "
  }

# WARP 开关，先检查是否已安装，再根据当前状态转向相反状态
onoff(){
  case "$STATUS" in
    0 ) need_install;;
    1 ) net;;
    2 ) ${SYSTEMCTL_STOP[int]}; green " ${T[${L}27]} ";;
  esac
  }

# 检查系统 WARP 单双栈情况。为了速度，先检查 warp-go 配置文件里的情况，再判断 trace
check_stack(){
  if [[ -e /opt/warp-go/warp.conf ]]; then
    grep -q ".*0\.\0\/0" /opt/warp-go/warp.conf && T4=1 || T4=0 
    grep -q ".*\:\:\/0" /opt/warp-go/warp.conf && T6=1 || T6=0
  else
    case "$TRACE4" in off ) T4='0';; 'on'|'plus' ) T4='1';; esac
    case "$TRACE6" in off ) T6='0';; 'on'|'plus' ) T6='1';; esac
  fi
  CASE=("@0" "0@" "0@0" "@1" "0@1" "1@" "1@0" "1@1")
  for ((m=0;m<${#CASE[@]};m++)); do [[ $T4@$T6 = ${CASE[m]} ]] && break; done
  NATIVE=("IPv6 only"	"IPv4 only"	"${T[${L}94]}")
  WARP_BEFORE=("" "" "" "WARP IPv6 only" "WARP IPv6" "WARP IPv4 only" "WARP IPv4" "${T[${L}94]}")
  WARP_AFTER1=("" "" "" "WARP IPv4" "WARP IPv4" "WARP IPv6" "WARP IPv6" "WARP IPv4")
  WARP_AFTER2=("" "" "" "${T[${L}96]}" "${T[${L}96]}" "${T[${L}96]}" "${T[${L}96]}" "WARP IPv6")
  TO1=("" "" "" "014" "014" "106" "106" "114")
  TO2=("" "" "" "01D" "01D" "10D" "10D" "116")
  SHORTCUT1=("" "" "" "(warp-go 4)" "(warp-go 4)" "(warp-go 6)" "(warp-go 6)" "(warp-go 4)")
  SHORTCUT2=("" "" "" "(warp-go d)" "(warp-go d)" "(warp-go d)" "(warp-go d)" "(warp-go 6)") 
  CONF1=("014" "104" "114")
  CONF2=("016" "106" "116")
  CONF3=("01D" "10D" "11D")
  }

# 检查全局状态
check_global(){
  [[ -e /opt/warp-go/warp.conf ]] && grep -q '#AllowedIPs' /opt/warp-go/warp.conf && NON_GLOBAL=1
  }

# 单双栈在线互换。先看菜单是否有选择，再看传参数值，再没有显示2个可选项
stack_switch(){
  need_install
  check_global
  if [[ $NON_GLOBAL = 1 ]]; then
    red " ${T[${L}28]} " && reading " ${T[${L}29]} " TO_GLOBAL
    [[ $TO_GLOBAL != [Yy] ]] && exit 0 || global_switch
  fi

  # WARP 单双栈切换选项
  SWITCH014='sed -i "s#AllowedIPs.*#AllowedIPs = 0.0.0.0/0#g" /opt/warp-go/warp.conf'
  SWITCH01D='sed -i "s#AllowedIPs.*#AllowedIPs = 0.0.0.0/0,::/0#g" /opt/warp-go/warp.conf'
  SWITCH106='sed -i "s#AllowedIPs.*#AllowedIPs = ::/0#g" /opt/warp-go/warp.conf'
  SWITCH10D='sed -i "s#AllowedIPs.*#AllowedIPs = 0.0.0.0/0,::/0#g" /opt/warp-go/warp.conf'
  SWITCH114='sed -i "s#AllowedIPs.*#AllowedIPs = 0.0.0.0/0#g" /opt/warp-go/warp.conf'
  SWITCH116='sed -i "s#AllowedIPs.*#AllowedIPs = ::/0#g" /opt/warp-go/warp.conf'

  check_stack
  
  if [[ $CHOOSE = [12] ]]; then
    TO=$(eval echo \${TO$CHOOSE[m]})
  elif [[ $SWITCHCHOOSE = [46D] ]]; then
    if [[ $TO_GLOBAL = [Yy] ]]; then
      if [[ "$T4@$T6@$SWITCHCHOOSE" =~ '1@0@4'|'0@1@6'|'1@1@D' ]]; then
        grep -q "^AllowedIPs.*0\.\0\/0" /opt/warp-go/warp.conf || unset INTERFACE
        OPTION=o && net
        exit 0
      else
        TO="$T4$T6$SWITCHCHOOSE"
      fi
    else
      [[ "$T4@$T6@$SWITCHCHOOSE" =~ '1@0@4'|'0@1@6'|'1@1@D' ]] && red " ${T[${L}30]} " && exit 1 || TO="$T4$T6$SWITCHCHOOSE"
    fi
  else
    OPTION1="$(eval echo "${T[${L}31]}")"; OPTION2="$(eval echo "${T[${L}32]}")"
    yellow " $(eval echo "${T[${L}33]}") " && reading " ${T[${L}4]} " SWITCHTO
    case "$SWITCHTO" in
      1 ) TO=${TO1[m]};;	2 ) TO=${TO2[m]};;	0 ) exit;;
      * ) red " ${T[${L}34]} [0-2] "; sleep 1; stack_switch;;
    esac
  fi

  sh -c "$(eval echo "\$SWITCH$TO")"
  ${SYSTEMCTL_RESTART[int]}
  grep -q "^AllowedIPs.*0\.\0\/0" /opt/warp-go/warp.conf || unset INTERFACE
  OPTION=o && net
  }

rule_add(){
  IP_ROUTE=$(ip -4 rule 2>/dev/null)
  [[ ! $(echo $IP_ROUTE) =~ 'from 172.16.0.2 lookup 60000' ]] && ip -4 rule add from 172.16.0.2 lookup 60000
  [[ ! $(echo $IP_ROUTE) =~ 'from all lookup main suppress_prefixlength 0' ]] && ip -4 rule add table main suppress_prefixlength 0
  sleep 1
  }

rule_del(){
  IP_ROUTE=$(ip -4 rule 2>/dev/null)
  [[ $(echo $IP_ROUTE) =~ 'from 172.16.0.2 lookup 60000' ]] && ip -4 rule delete from 172.16.0.2 lookup 60000
  [[ $(echo $IP_ROUTE) =~ 'from all lookup main suppress_prefixlength 0' ]] && ip -4 rule delete table main suppress_prefixlength 0
  }

route_add(){
  [[ $(ip -4 route list table 60000 2>/dev/null) =~ 'default dev WARP scope link' ]] || ip -4 route add default dev WARP table 60000
  }

# 全局 / 非全局在线互换
global_switch(){
  need_install
  if grep -q "^Allowed" /opt/warp-go/warp.conf; then
    sed -i "s/^AllowedIPs.*/#&/g" /opt/warp-go/warp.conf
    rule_add
  else
    sed -i "s/#AllowedIPs/AllowedIPs/g" /opt/warp-go/warp.conf
    rule_del
  fi

  [[ $TO_GLOBAL != [Yy] ]] && OPTION=o && net
  grep -q "#Allowed" /opt/warp-go/warp.conf && route_add
  }

# 检测系统信息
check_system_info(){
  green " ${T[${L}35]} "

  # 必须加载 TUN 模块，先尝试在线打开 TUN。尝试成功放到启动项，失败作提示并退出脚本
  TUN=$(cat /dev/net/tun 2>&1 | tr '[:upper:]' '[:lower:]')
  if [[ ! $TUN =~ 'in bad state' ]] && [[ ! $TUN =~ '处于错误状态' ]] && [[ ! $TUN =~ 'Die Dateizugriffsnummer ist in schlechter Verfassung' ]]; then
    mkdir -p /opt/warp-go/ >/dev/null 2>&1
    cat >/opt/warp-go/tun.sh << EOF
#!/usr/bin/env bash
mkdir -p /dev/net
mknod /dev/net/tun c 10 200
chmod 0666 /dev/net/tun
EOF
    bash /opt/warp-go/tun.sh
    TUN=$(cat /dev/net/tun 2>&1 | tr '[:upper:]' '[:lower:]')
    if [[ ! $TUN =~ 'in bad state' ]] && [[ ! $TUN =~ '处于错误状态' ]] && [[ ! $TUN =~ 'Die Dateizugriffsnummer ist in schlechter Verfassung' ]]; then
      rm -f /usr/bin//tun.sh && red " ${T[${L}36]} " && exit 1
    else 
      echo "@reboot root bash //opt/warp-go/tun.sh" >> /etc/crontab
    fi
  fi

  # 判断是否大陆 VPS。先尝试连接 CloudFlare WARP 服务的 Endpoint IP，如遇到 WARP 断网则先关闭、杀进程后重试一次，仍然不通则 WARP 项目不可用。
  ping6 -c2 -w8 2606:4700:d0::a29f:c001 >/dev/null 2>&1 && IPV6=1 && CDN=-6 || IPV6=0
  ping -c2 -W8 162.159.193.10 >/dev/null 2>&1 && IPV4=1 && CDN=-4 || IPV4=0
  if [[ $IPV4$IPV6 = 00 && $(ip a) =~ ": WARP:" ]]; then
    ${SYSTEMCTL_STOP[int]}
    ping6 -c2 -w10 2606:4700:d0::a29f:c001 >/dev/null 2>&1 && IPV6=1 && CDN=-6
    ping -c2 -W10 162.159.193.10 >/dev/null 2>&1 && IPV4=1 && CDN=-4
  fi

  # 判断处理器架构
  case $(uname -m) in
    aarch64 ) ARCHITECTURE=arm64;;
    x86)      ARCHITECTURE=386;;
    x86_64 )  CPU_FLAGS=$(cat /proc/cpuinfo | grep flags | head -n 1 | cut -d: -f2)
              case "$CPU_FLAGS" in
                *avx512* ) ARCHITECTURE=amd64v4;;
                *avx2* )   ARCHITECTURE=amd64v3;;
                *sse3* )   ARCHITECTURE=amd64v2;;
                * )        ARCHITECTURE=amd64;;
              esac;;
    s390x )   ARCHITECTURE=s390x;;
    * ) red " $(eval echo "${T[${L}37]}") " && exit 1;;
  esac

  # 判断当前 IPv4 与 IPv6 ，IP归属
  [[ $STATUS = 2 ]] && grep -qE "^AllowedIPs[ ]+=.*0\.\0\/0|#AllowedIPs" /opt/warp-go/warp.conf && INTERFACE='--interface WARP'
  [[ $IPV4 = 1 ]] && ip4_info
  [[ $IPV6 = 1 ]] && ip6_info
  [[ $L = C && -n "$COUNTRY4" ]] && COUNTRY4=$(translate "$COUNTRY4")
  [[ $L = C && -n "$COUNTRY6" ]] && COUNTRY6=$(translate "$COUNTRY6")
  }

# 输入 WARP+ 账户（如有），限制位数为空或者26位以防输入错误
input_license(){
  [[ -z $LICENSE ]] && reading " ${T[${L}38]} " LICENSE
  i=5
  until [[ -z $LICENSE || $LICENSE =~ ^[A-Z0-9a-z]{8}-[A-Z0-9a-z]{8}-[A-Z0-9a-z]{8}$ ]]; do
    (( i-- )) || true
    [[ $i = 0 ]] && red " ${T[${L}39]} " && exit 1 || reading " $(eval echo "${T[${L}40]}") " LICENSE
  done
  [[ -n $LICENSE && -z $NAME ]] && reading " ${T[${L}41]} " NAME
  [[ -n $NAME ]] && NAME="${NAME//[[:space:]]/_}" || NAME=${NAME:-'warp-go'}
  }

# 升级 WARP+ 账户（如有），限制位数为空或者26位以防输入错误，WARP interface 可以自定义设备名(不允许字符串间有空格，如遇到将会以_代替)
update_license(){
  [[ -z $LICENSE ]] && reading " ${T[${L}42]} " LICENSE
  i=5
  until [[ $LICENSE =~ ^[A-Z0-9a-z]{8}-[A-Z0-9a-z]{8}-[A-Z0-9a-z]{8}$ ]]; do
  (( i-- )) || true
    [[ $i = 0 ]] && red " ${T[${L}39]} " && exit 1 || reading " $(eval echo "${T[${L}43]}") " LICENSE
  done
  [[ -n $LICENSE && -z $NAME ]] && reading " ${T[${L}41]} " NAME
  [[ -n $NAME ]] && NAME="${NAME//[[:space:]]/_}" || NAME=${NAME:-'warp-go'}
  }

# 输入 Teams 账户 token（如有）,如果 TOKEN 以 com.cloudflare.warp 开头，将自动删除多余部分
input_token(){
  [[ -z $TOKEN ]] && reading " ${T[${L}44]} " TOKEN
  i=5
  until [[ -z $TOKEN || ${#TOKEN} -gt 1200 ]]; do
    (( i-- )) || true
    [[ $i = 0 ]] && red " ${T[${L}39]} " && exit 1 || reading " $(eval echo "${T[${L}45]}") " TOKEN
  done
  }

# 免费 WARP 账户升级 WARP+ 或 Teams 账户
update(){
  need_install
  [[ ! -e /opt/warp-go/warp.conf ]] && red " ${T[${L}46]} " && exit 1
  
  ACCOUNT_TYPE=$(grep "Type" /opt/warp-go/warp.conf | cut -d= -f2 | sed "s# ##g")
  case "$ACCOUNT_TYPE" in
    plus ) check_quota && red " $(eval echo "${T[${L}47]}") " && exit 1;;
    team ) red " $(eval echo "${T[${L}48]}") " && exit 1;;
  esac

  [[ -z $LICENSETYPE ]] && yellow " ${T[${L}49]} " && reading " ${T[${L}4]} " LICENSETYPE
  case $LICENSETYPE in
    1 ) update_license
        if [[ -n $LICENSE ]]; then
          cp -f /opt/warp-go/warp.conf{,.tmp1}
          /opt/warp-go/warp-go --config=/opt/warp-go/warp.conf --remove >/dev/null 2>&1
          until [[ -e /opt/warp-go/warp.conf ]]; do
            /opt/warp-go/warp-go --register --config=/opt/warp-go/warp.conf --license=$LICENSE  --device-name=$NAME >/dev/null 2>&1
            sleep 1
          done
          head -n +6 /opt/warp-go/warp.conf > /opt/warp-go/warp.conf.tmp2
          tail -n +7 /opt/warp-go/warp.conf.tmp1 >> /opt/warp-go/warp.conf.tmp2
          mv -f /opt/warp-go/warp.conf.tmp2 /opt/warp-go/warp.conf
          grep -qE 'Type[ ]+=[ ]+plus' /opt/warp-go/warp.conf && echo $NAME > /opt/warp-go/Device_Name
          check_quota
          OPTION=o && net
        fi;;

    2 ) input_token
        if [[ -n $TOKEN ]]; then
          i=0
          until [[ -e /opt/warp-go/warp.conf.tmp ]]; do
            ((i++)) || true
            [[ $i = 11 ]] && red " ${T[${L}50]} " && exit 1
            /opt/warp-go/warp-go --register --config=/opt/warp-go/warp.conf.tmp --team-config "$TOKEN" >/dev/null 2>&1
            sleep 3
          done
          for a in {2..5}; do sed -i "${a}s#.*#$(sed -ne ${a}p /opt/warp-go/warp.conf.tmp)#" /opt/warp-go/warp.conf; done
          rm -f warp.conf.tmp
        else
          sed -i "s#.*Device.*#Device = FSCARMEN-WARP-SHARE-TEAM#g; s#.*PrivateKey.*#PrivateKey = SHVqHEGI7k2+OQ/oWMmWY2EQObbRQjRBdDPimh0h1WY=#g; s#.*Token.*#Token = SB-KKKYG-YGKKK-SB#g; s#.*Type.*#Type = team#g" /opt/warp-go/warp.conf
        fi
        OPTION=o && net;;

    * ) red " ${T[${L}34]} [1-2] "; sleep 1; update;;
  esac
  }

# 输出 wgcf 配置文件
export_wireguard(){
  if [[ ! -e /opt/warp-go/wgcf.conf ]]; then
    if [[ -e /opt/warp-go/warp-go ]]; then
      if [[ -e /opt/warp-go/warp.conf ]]; then
        /opt/warp-go/warp-go --config=/opt/warp-go/warp.conf --export-wireguard=/opt/warp-go/wgcf.conf >/dev/null 2>&1
      else
        /opt/warp-go/warp-go --register --config=/opt/warp-go/warp.conf --team-config "$TOKEN" >/dev/null 2>&1
        /opt/warp-go/warp-go --config=/opt/warp-go/warp.conf --export-wireguard=/opt/warp-go/wgcf.conf >/dev/null 2>&1
      fi
    else
      red " ${T[${L}51]} " && exit 1
    fi
  fi
  
  green " ${T[${L}52]} "
  cat /opt/warp-go/wgcf.conf
  echo -e "\n\n"
  }

# warp-go 安装
install(){
  # 已经状态码不为 0 ，即已安装，脚本退出
  [[ $STATUS != 0 ]] && red " ${T[${L}53]} " && exit 1

  # 先删除之前安装，可能导致失败的文件
  rm -rf /opt/warp-go/warp-go /opt/warp-go/warp.conf

  # 询问是否有 WARP+ 或 Teams 账户
  [[ -z $LICENSETYPE ]] && yellow " ${T[${L}54]} " && reading " ${T[${L}4]} " LICENSETYPE
  case $LICENSETYPE in
    1 ) input_license;;
    2 ) input_token;;
  esac

  # 选择优先使用 IPv4 /IPv6 网络
  [[ -z $PRIORITY ]] && yellow " ${T[${L}55]} " && reading " ${T[${L}4]} " PRIORITY

  # 脚本开始时间
  start=$(date +%s)

  # 注册 WARP 账户 (将生成 warp 文件保存账户信息)
  # 判断 wgcf 的最新版本,如因 gitlab 接口问题未能获取，默认 v1.0.3
  {	
  latest=$(wget -qO- -T1 -t1 https://gitlab.com/api/v4/projects/ProjectWARP%2Fwarp-go/releases | grep -oP '"tag_name":"v\K[^\"]+' | head -n 1)
  latest=${latest:-'1.0.4'}

  # 安装 warp-go，尽量下载官方的最新版本，如官方 warp-go 下载不成功，将使用 githubusercontents 的 CDN，以更好的支持双栈。并添加执行权限
  mkdir -p /opt/warp-go/ >/dev/null 2>&1
  wget --no-check-certificate $CDN -O /opt/warp-go/warp-go_"$latest"_linux_"$ARCHITECTURE".tar.gz https://gitlab.com/ProjectWARP/warp-go/-/releases/v"$latest"/downloads/warp-go_"$latest"_linux_"$ARCHITECTURE".tar.gz
  [[ ! -e /opt/warp-go/warp-go_"$latest"_linux_"$ARCHITECTURE".tar.gz ]] && red " ${T[${L}56]} " && exit 1
  tar xzf /opt/warp-go/warp-go_"$latest"_linux_"$ARCHITECTURE".tar.gz -C /opt/warp-go/ warp-go
  [[ ! -e /opt/warp-go/warp-go ]] && red " ${T[${L}57]} " && exit 1 || chmod +x /opt/warp-go/warp-go
  rm -f /opt/warp-go/warp-go_"$latest"_linux_"$ARCHITECTURE".tar.gz

  # 注册用户自定义 token 的 Teams 账户
  if [[ $LICENSETYPE = 2 ]]; then
    if [[ -n $TOKEN ]]; then
      i=0
      until [[ -e /opt/warp-go/warp.conf ]]; do
        ((i++)) || true
        [[ $i = 11 ]] && red " ${T[${L}58]} " && exit 1
        /opt/warp-go/warp-go --register --config=/opt/warp-go/warp.conf --team-config "$TOKEN" >/dev/null 2>&1
        sleep 3
      done

  # 注册公用 token 的 Teams 账户
    else
      cat > /opt/warp-go/warp.conf << EOF
[Account]
Device = FSCARMEN-WARP-SHARE-TEAM
PrivateKey = SHVqHEGI7k2+OQ/oWMmWY2EQObbRQjRBdDPimh0h1WY=
Token = SB-KKKYG-YGKKK-SB
Type = team

[Peer]
PublicKey = bmXOC+F1FxEMF9dyiK2H5/1SUtzH0JuVo51h2wPfgyo=
Endpoint = 162.159.193.10:1701
KeepAlive = 30
#AllowedIPs = 0.0.0.0/0, ::/0

[Script]
#PostUp = 
#PostDown =
EOF
    fi

  # 注册免费和 Plus 账户
  else
    i=0
    until [[ -e /opt/warp-go/warp.conf ]]; do
      ((i++)) || true
      [[ $i = 11 ]] && red " ${T[${L}59]} " && exit 1
      /opt/warp-go/warp-go --register --config=/opt/warp-go/warp.conf --license=$LICENSE --device-name=$NAME >/dev/null 2>&1
      sleep 3
    done
  fi

  # 如为 Plus 账户，把设备名记录到文件 /opt/warp-go/Device_Name
  grep -qE 'Type[ ]+=[ ]+plus' /opt/warp-go/warp.conf && echo $NAME > /opt/warp-go/Device_Name

  green " ${T[${L}60]} "
  }&

  # 对于 IPv4 only VPS 开启 IPv6 支持
  {
  [[ $IPV4$IPV6 = 10 ]] && [[ $(sysctl -a 2>/dev/null | grep 'disable_ipv6.*=.*1') || $(grep -s "disable_ipv6.*=.*1" /etc/sysctl.{conf,d/*} ) ]] &&
  (sed -i '/disable_ipv6/d' /etc/sysctl.{conf,d/*}
  echo 'net.ipv6.conf.all.disable_ipv6 = 0' >/etc/sysctl.d/ipv6.conf
  sysctl -w net.ipv6.conf.all.disable_ipv6=0)
  }&

  # 优先使用 IPv4 /IPv6 网络
  { stack_priority; }&

  # 根据系统选择需要安装的依赖, 安装一些必要的网络工具包
  green " ${T[${L}61]} "

  Debian(){ ! type -p ip >/dev/null 2>&1 && (${PACKAGE_UPDATE[int]}; ${PACKAGE_INSTALL[int]} --no-install-recommends iproute2); }

  Ubuntu(){ ! type -p ip >/dev/null 2>&1 && (${PACKAGE_UPDATE[int]}; ${PACKAGE_INSTALL[int]} --no-install-recommends iproute2); }

  CentOS(){ :; }

  Alpine(){ ${PACKAGE_INSTALL[int]} iproute2 openrc; }

  Arch(){ ${PACKAGE_INSTALL[int]} openresolv; }

  $SYSTEM

  wait

  # warp-go 配置修改，其中用到的 162.159.193.10 和 2606:4700:d0::a29f:c001 均是 engage.cloudflareclient.com 的 IP
  MODIFY014='sed -i "/Endpoint6/d;/PreUp/d;s/162.159.*/[2606:4700:d0::a29f:c003]:1701/g;s#.*AllowedIPs.*#AllowedIPs = 0.0.0.0/0#g;s#.*PostUp.*#PostUp = ip -6 rule add from '$LAN6' lookup main#g;s#.*PostDown.*#PostDown = ip -6 rule delete from '$LAN6' lookup main#g" /opt/warp-go/warp.conf'
  MODIFY016='sed -i "/Endpoint6/d;/PreUp/d;s/162.159.*/[2606:4700:d0::a29f:c003]:1701/g;s#.*AllowedIPs.*#AllowedIPs = ::/0#g;s#.*PostUp.*#PostUp   = ip -6 rule add from '$LAN6' lookup main#g;s#.*PostDown.*#PostDown = ip -6 rule delete from '$LAN6' lookup main#g" /opt/warp-go/warp.conf'
  MODIFY01D='sed -i "/Endpoint6/d;/PreUp/d;s/162.159.*/[2606:4700:d0::a29f:c003]:1701/g;s#.*AllowedIPs.*#AllowedIPs = 0.0.0.0/0,::/0#g;s#.*PostUp.*#PostUp = ip -6 rule add from '$LAN6' lookup main#g;s#.*PostDown.*#PostDown = ip -6 rule delete from '$LAN6' lookup main#g" /opt/warp-go/warp.conf'
  MODIFY104='sed -i "/Endpoint6/d;/PreUp/d;s/162.159.*/162.159.193.10:1701/g;s#.*AllowedIPs.*#AllowedIPs = 0.0.0.0/0#g;s#.*PostUp.*#PostUp = ip -4 rule add from '$LAN4' lookup main#g;s#.*PostDown.*#PostDown = ip -4 rule delete from '$LAN4' lookup main#g" /opt/warp-go/warp.conf'
  MODIFY106='sed -i "/Endpoint6/d;/PreUp/d;s/162.159.*/162.159.193.10:1701/g;s#.*AllowedIPs.*#AllowedIPs = ::/0#g;s#.*PostUp.*#PostUp = ip -4 rule add from '$LAN4' lookup main#g;s#.*PostDown.*#PostDown = ip -4 rule delete from '$LAN4' lookup main#g" /opt/warp-go/warp.conf'
  MODIFY10D='sed -i "/Endpoint6/d;/PreUp/d;s/162.159.*/162.159.193.10:1701/g;s#.*AllowedIPs.*#AllowedIPs = 0.0.0.0/0,::/0#g;s#.*PostUp.*#PostUp = ip -4 rule add from '$LAN4' lookup main#g;s#.*PostDown.*#PostDown = ip -4 rule delete from '$LAN4' lookup main#g" /opt/warp-go/warp.conf'
  MODIFY114='sed -i "/Endpoint6/d;/PreUp/d;s/162.159.*/162.159.193.10:1701/g;s#.*AllowedIPs.*#AllowedIPs = 0.0.0.0/0#g;s#.*PostUp.*#PostUp = ip -4 rule add from '$LAN4' lookup main; ip -6 rule add from '$LAN6' lookup main#g;s#.*PostDown.*#PostDown = ip -4 rule delete from '$LAN4' lookup main; ip -6 rule delete from '$LAN6' lookup main#g" /opt/warp-go/warp.conf'
  MODIFY116='sed -i "/Endpoint6/d;/PreUp/d;s/162.159.*/162.159.193.10:1701/g;s#.*AllowedIPs.*#AllowedIPs = ::/0#g;s#.*PostUp.*#PostUp = ip -4 rule add from '$LAN4' lookup main; ip -6 rule add from '$LAN6' lookup main#g;s#.*PostDown.*#PostDown = ip -4 rule delete from '$LAN4' lookup main; ip -6 rule delete from '$LAN6' lookup main#g" /opt/warp-go/warp.conf'
  MODIFY11D='sed -i "/Endpoint6/d;/PreUp/d;s/162.159.*/162.159.193.10:1701/g;s#.*AllowedIPs.*#AllowedIPs = 0.0.0.0/0,::/0#g;s#.*PostUp.*#PostUp = ip -4 rule add from '$LAN4' lookup main; ip -6 rule add from '$LAN6' lookup main#g;s#.*PostDown.*#PostDown = ip -4 rule delete from '$LAN4' lookup main; ip -6 rule delete from '$LAN6' lookup main#g" /opt/warp-go/warp.conf'

  sh -c "$(eval echo "\$MODIFY$CONF")"

  # 如为 WARP IPv4 非全局，修改配置文件，在路由表插入规则
  [[ $WARP_STACK = 4 || $OPTION = n ]] && sed -i "s/^#//g; s/^AllowedIPs.*/#&/g" /opt/warp-go/warp.conf && rule_add

  # 创建 warp-go systemd 进程守护
  cat > /lib/systemd/system/warp-go.service << EOF
[Unit]
Description=warp-go service
After=network.target
Documentation=https://github.com/fscarmen/warp
Documentation=https://gitlab.com/ProjectWARP/warp-go

[Service]
WorkingDirectory=/opt/warp-go/
ExecStart=/opt/warp-go/warp-go --config=/opt/warp-go/warp.conf --foreground
Environment="LOG_LEVEL=verbose"
RemainAfterExit=yes
Restart=always

[Install]
WantedBy=multi-user.target
EOF

  # 运行 warp-go
  net

  # 如为 WARP IPv4 非全局，把 WARP 网络接口添加到路由表
  [[ $WARP_STACK = 4 || $OPTION = n ]] && route_add

  # 设置开机启动
  ${SYSTEMCTL_ENABLE[int]} >/dev/null 2>&1

  # 创建软链接快捷方式，再次运行可以用 warp-go 指令，设置默认语言
  mv $0 /opt/warp-go/
  chmod +x /opt/warp-go/warp-go.sh
  ln -sf /opt/warp-go/warp-go.sh /usr/bin/warp-go
  echo "$L" > /opt/warp-go/language

  # 结果提示，脚本运行时间，次数统计
  end=$(date +%s)
  ACCOUNT_TYPE=$(grep "Type" /opt/warp-go/warp.conf | cut -d= -f2 | sed "s# ##g")
  [[ $ACCOUNT_TYPE = 'plus' ]] && check_quota

  red "\n==============================================================\n"
  green " IPv4: $WAN4 $WARPSTATUS4 $COUNTRY4  $ASNORG4 "
  green " IPv6: $WAN6 $WARPSTATUS6 $COUNTRY6  $ASNORG6 "
  green " $(eval echo "${T[${L}62]}") "
  [[ -n "$QUOTA" ]] && green " ${T[${L}26]}: $QUOTA "
  red "\n==============================================================\n"
  yellow " ${T[${L}95]}\n " && help
  [[ $TRACE4$TRACE6 = offoff ]] && red " ${T[${L}63]} "
  exit
  }

# 查 WARP+ 余额流量接口
check_quota(){
  ACCESS_TOKEN=$(grep 'Token' /opt/warp-go/warp.conf | cut -d= -f2 | sed 's# ##g')
  DEVICE_ID=$(grep 'Device' /opt/warp-go/warp.conf | cut -d= -f2 | sed 's# ##g')
  API=$(curl -s "https://api.cloudflareclient.com/v0a884/reg/$DEVICE_ID" -H "User-Agent: okhttp/3.12.1" -H "Authorization: Bearer $ACCESS_TOKEN")
  QUOTA=$(grep -oP '"quota":\K\d+' <<< $API)

  if type -p bc >/dev/null 2>&1; then
    [[ $QUOTA -gt 10000000000000 ]] && QUOTA="$(echo "scale=2; $QUOTA/1000000000000" | bc) TB" ||  QUOTA="$(echo "scale=2; $QUOTA/1000000000" | bc) GB"
  else
    [[ $QUOTA -gt 10000000000000 ]] && QUOTA="$((QUOTA/1000000000000)) TB" ||  QUOTA="$((QUOTA/1000000000)) GB"
  fi
  }

# 判断当前 WARP 网络接口及 Client 的运行状态，并对应的给菜单和动作赋值
menu_setting(){
  if [[ $STATUS = 0 ]]; then
    OPTION1="$(eval echo "${T[${L}64]}")"
    OPTION2="$(eval echo "${T[${L}65]}")"
    OPTION3="$(eval echo "${T[${L}66]}")"
    OPTION4="$(eval echo "${T[${L}67]}")"
    OPTION5="$(eval echo "${T[${L}68]}")"
    OPTION6="$(eval echo "${T[${L}69]}")"
    OPTION7="$(eval echo "${T[${L}70]}")"
    OPTION8="$(eval echo "${T[${L}71]}")"
    ACTION1(){ CONF=${CONF1[m]}; PRIORITY=1; install; }
    ACTION2(){ CONF=${CONF1[m]}; PRIORITY=2; install; }
    ACTION3(){ CONF=${CONF2[m]}; PRIORITY=1; install; }
    ACTION4(){ CONF=${CONF2[m]}; PRIORITY=2; install; }
    ACTION5(){ CONF=${CONF3[m]}; PRIORITY=1; install; }
    ACTION6(){ CONF=${CONF3[m]}; PRIORITY=2; install; }
    ACTION7(){ CONF=${CONF3[m]}; PRIORITY=1; WARP_STACK=4; install; }
    ACTION8(){ CONF=${CONF3[m]}; PRIORITY=2; WARP_STACK=4; install; }
  else
    [[ $NON_GLOBAL = 1 ]] || GLOBAL_AFTER="${T[${L}24]}"
    [[ $STATUS = 2 ]] && ON_OFF="${T[${L}72]}" || ON_OFF="${T[${L}73]}"
    OPTION1="$(eval echo "${T[${L}74]}")"
    OPTION2="$(eval echo "${T[${L}75]}")"
    OPTION3="$(eval echo "${T[${L}76]}")"
    OPTION4="$ON_OFF"
    OPTION5="$(eval echo "${T[${L}77]}")"

    OPTION6="${T[${L}78]}"
    OPTION7="${T[${L}79]}"
    OPTION8="${T[${L}80]}"
    ACTION1(){ stack_switch; }
    ACTION2(){ stack_switch; }
    ACTION3(){ global_switch; }
    ACTION4(){ OPTION=o; onoff; }
    ACTION5(){ update; }
    ACTION6(){ change_ip; }
    ACTION7(){ export_wireguard; }
    ACTION8(){ uninstall; }
  fi

  OPTION0="${T[${L}81]}"
  OPTION9="${T[${L}82]} (warp-go v)"
  ACTION0(){ exit; }
  ACTION9(){ ver; }

  [[ -e /opt/warp-go/warp.conf ]] && TYPE=$(grep "Type" /opt/warp-go/warp.conf | cut -d= -f2 | sed "s# ##g") &&
  [[ $TYPE = plus ]] && check_quota && PLUSINFO="${T[${L}83]}: $(cat /opt/warp-go/Device_Name)\t ${T[${L}26]}: $QUOTA"
  }

# 显示菜单
menu(){
	clear
	yellow " ${T[${L}3]} "
	red "======================================================================================================================\n"
	green " ${T[${L}84]}: $VERSION\t ${T[${L}85]}: ${T[${L}1]}\n ${T[${L}86]}:\n\t ${T[${L}87]}: $SYS\n\t ${T[${L}88]}: $(uname -r)\n\t ${T[${L}89]}: $ARCHITECTURE\n\t ${T[${L}90]}: $VIRT "
	green "\t IPv4: $WAN4 $WARPSTATUS4 $COUNTRY4  $ASNORG4 "
	green "\t IPv6: $WAN6 $WARPSTATUS6 $COUNTRY6  $ASNORG6 "
  if [[ $STATUS = 2 ]]; then
    green "\t $(eval echo "${T[${L}91]}") "
    grep -q '#AllowedIPs' /opt/warp-go/warp.conf && GLOBAL_TYPE="${T[${L}24]}"
    green "\t $(eval echo "${T[${L}92]}") "
  else
    green "\t ${T[${L}93]} "
  fi
  [[ -n "$PLUSINFO" ]] && green "\t $PLUSINFO "
 	red "\n======================================================================================================================\n"
	green " 1.  $OPTION1\n 2.  $OPTION2\n 3.  $OPTION3\n 4.  $OPTION4\n 5.  $OPTION5\n 6.  $OPTION6\n 7.  $OPTION7\n 8.  $OPTION8\n 9.  $OPTION9 \n 0.  $OPTION0\n "
	reading " ${T[${L}4]} " CHOOSE

  # 输入必须是数字且少于等于最大可选项
  if grep -wqP "\d+" <<< $CHOOSE && [ $CHOOSE -le 9 ]; then
    ACTION$CHOOSE
  else
    red " ${T[${L}34]} [0-9] " && sleep 1 && menu
  fi
  }

# 传参选项 OPTION：1=为 IPv4 或者 IPv6 补全另一栈WARP; 2=安装双栈 WARP; u=卸载 WARP
[[ $1 != '[option]' ]] && OPTION=$(tr '[:upper:]' '[:lower:]' <<< "$1")

# 参数选项 URL 或 License 或转换 WARP 单双栈
if [[ $2 != '[lisence]' ]]; then
  if [[ $2 =~ ^[A-Z0-9a-z]{8}-[A-Z0-9a-z]{8}-[A-Z0-9a-z]{8}$ ]]; then
    LICENSETYPE=1 && LICENSE=$2
  elif [[ $2 =~ [A-Z0-9a-z]{1200,} ]]; then LICENSETYPE=2 && TOKEN=$2
  elif [[ $2 =~ ^[A-Za-z]{2}$ ]]; then EXPECT=$2
  fi
fi

# 自定义 WARP+ 设备名
NAME=$3

# 主程序运行 1/3
statistics_of_run-times
select_language
check_install
check_operating_system

# 设置部分后缀 1/3
case "$OPTION" in
  h ) help; exit 0;;
  i ) change_ip; exit 0;;
  e ) export_wireguard; exit 0;;
esac

# 主程序运行 2/3
check_root_virt

# 设置部分后缀 2/3
case "$OPTION" in
  u ) uninstall; exit 0;;
  v ) ver; exit 0;;
  o ) onoff; exit 0;;
  g ) global_switch; exit 0;;
esac

# 主程序运行 3/3
check_dependencies
check_system_info
check_stack
check_global
menu_setting

# 设置部分后缀 3/3
case "$OPTION" in
  [46dn] )	
    if [[ $STATUS != 0 ]]; then
      SWITCHCHOOSE="$(tr '[:lower:]' '[:upper:]' <<< "$OPTION")"
      stack_switch
    else
      case "$OPTION" in
        4 ) CONF=${CONF1[m]};; 
        6 ) CONF=${CONF2[m]};;
        d|n ) CONF=${CONF3[m]};;
      esac
      install
    fi;;

  a ) update;;

  * ) menu;;
esac