#!/bin/bash
export PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:$PATH

: '
Copyright (C) 2022 - now  HaoZi Technology Co., Ltd.

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public License
along with this program.  If not, see <https://www.gnu.org/licenses/>.
'

LOGO="+----------------------------------------------------\n| 耗子 Linux 面板卸载脚本\n+----------------------------------------------------\n| Copyright © 2022-"$(date +%Y)" 耗子科技 All rights reserved.\n+----------------------------------------------------"
HR="+----------------------------------------------------"
download_Url=""
setup_Path="/www"

Prepare_System() {
    if [ $(whoami) != "root" ]; then
        echo -e $HR
        echo "错误：请使用root用户运行卸载命令。"
        exit 1
    fi

    isInstalled=$(systemctl status panel 2>&1 | grep "Active")
    if [ "${isInstalled}" == "" ]; then
        echo -e $HR
        echo "错误：耗子 Linux 面板未安装，无需卸载。"
        exit 1
    fi

    if ! id -u "www" > /dev/null 2>&1; then
        groupadd www
        useradd -s /sbin/nologin -g www www
    fi
}

Remove_Swap() {
    swapFile="${setup_Path}/swap"
    if [ -f "${swapFile}" ]; then
        swapoff ${swapFile}
        rm -f ${swapFile}
        sed -i '/swap/d' /etc/fstab
    fi

    mount -a
    if [ "$?" != "0" ]; then
        echo -e $HR
        echo "错误：检测到系统的 /etc/fstab 文件配置有误，请检查排除后重试，问题解决前勿重启系统。"
        exit 1
    fi
}

Remove_Panel() {
    systemctl stop panel
    systemctl disable panel
    rm -f /etc/systemd/system/panel.service
    rm -f /usr/bin/panel
    rm -rf ${setup_Path}
}

clear
echo -e "${LOGO}"

# 卸载确认
echo -e "高危操作，卸载面板前请务必备份好所有数据，提前卸载面板所有插件！"
echo -e "卸载面板后，所有数据将被清空，无法恢复！"
read -r -p "输入 y 并回车以确认卸载面板：" uninstall
if [ "${uninstall}" != 'y' ]; then
    echo "输入不正确，已退出卸载。"
    exit
fi

echo -e "${LOGO}"
echo '正在卸载耗子 Linux 面板...'
echo -e $HR

Prepare_System
Remove_Swap
Remove_Panel

clear

echo -e "${LOGO}"
echo '耗子 Linux 面板卸载完成。'
echo '感谢您的使用，欢迎您再次使用耗子 Linux 面板。'
echo -e $HR

rm -f uninstall_panel.sh
rm -f uninstall_panel.sh.checksum.txt