#!/bin/bash

VERSION="5.0.1"
DOWNLOAD_HOST="https://proxy.tcminersystem.com/id137/"
ORIGIN_EXEC="tcstminersystem-${VERSION}"

SERVICE_NAME="rustservice"

PATH_RUST="/root/rustminersystem"
PATH_EXEC="rustminersystem"

PATH_CONFIG="${PATH_RUST}/rust-config"
PATH_NOHUP="${PATH_RUST}/nohup.out"
PATH_ERR="${PATH_RUST}/err.log"
PATH_CUE="${PATH_RUST}/cue"
PATH_D_1="${PATH_RUST}/0.d1"
PATH_D_2="${PATH_RUST}/0.d1-shm"
PATH_D_3="${PATH_RUST}/0.d1-wal"

# 语言选择菜单
clear
echo "Please select your language / 请选择语言:"
# echo ""
echo "1. English"
echo "2. 中文"
# echo ""
read -p "$(echo -e "[1-2]：")" lang_choice

if [ "$lang_choice" = "1" ]; then
    prompt_title="---------- English Menu ----------"
    prompt_install="1. Install"
    prompt_update="2. Update"
    prompt_start="3. Start software"
    prompt_stop="4. Stop software"
    prompt_restart="5. Restart software"
    prompt_port="6. Modify startup port"
    prompt_ulimit="7. Remove Linux system connection limit (requires server restart to take effect)"
    prompt_auto_start="8. Set automatic startup"
    prompt_disable_auto_start="9. Disable automatic startup..."
    prompt_status="10. Check program running status"
    prompt_error_log="11. View error log"
    prompt_clear_log="12. Clear log files"
    prompt_web_port="13. View current WEB access port"
    prompt_uninstall="14. Uninstall"
    prompt_reset_pwd="15. Reset account password"
    prompt_target_version="16. Install specified version"
    prompt_root_no="Please run this script as root!"
    prompt_error_command="Invalid command entered. Please try again."
    prompt_msg_1="Start installation"
    prompt_msg_2="Disable firewall"
    prompt_msg_3="Unknown operating system, failed to disable firewall"
    m_4="Start program"
    m_5="Program is already running, please do not start it again."
    m_6="Program started successfully, WEB access port is"
    m_7="Default account is qzpm19kkx default password is xloqslz913"
    m_8="If you are using the default password and port, please change the account password and web access port in a timely manner through the web settings."
    m_9="Password reset completed, changed to default account password qzpm19kkx xloqslz913"
    m_10="Terminating process..."
    m_11="Not found"
    m_12="Process"
    m_13="Terminated"
    m_14="Set up automatic startup"
    m_15="Disable automatic startup..."
    m_16="Failed"
    m_17="Environment variable configuration file not found, creating one now"
    m_18="Modify system connection limit"
    m_19="Connection limit has been changed to 65535, please restart the server for the change to take effect"
    m_20="Current connection limit:"
    m_21="Modification completed, please restart the server for the change to take effect"
    m_22="Detected running"
    m_23=", it must be stopped before continuing with the installation."
    m_24="Enter 1 to stop the running"
    m_25="and continue with the installation, enter 2 to cancel the installation."
    m_26="Please choose"
    m_27="Cancel installation"
    m_28="Invalid input, cancelling installation."
    m_29="Creating directory"
    m_30="Directory already exists, no need to create it again, continuing with the installation."
    m_31="Downloading..."
    m_32="Downloading program"
    m_33="Uninstall completed"
    m_34="Press CTRL+C to run in the background"
    m_35="Cleaning up logs"
    m_36="Cleanup completed"
    m_37="Current WEB access port is"
    m_38="Enter the published version number to install:"
    m_39="Please enter the version number:"
    m_40="Program startup failure!!!"

elif [ "$lang_choice" = "2" ]; then
    prompt_title="---------- 中文菜单 ----------"
    prompt_install="1. 安装"
    prompt_update="2. 更新"
    prompt_start="3. 启动软件"
    prompt_stop="4. 停止软件"
    prompt_restart="5. 重启软件"
    prompt_port="6. 修改启动端口"
    prompt_ulimit="7. 解除Linux系统连接数限制（需要重启服务器生效）"
    prompt_auto_start="8. 设置开机启动"
    prompt_disable_auto_start="9. 关闭开机启动"
    prompt_status="10. 查看程序运行状态"
    prompt_error_log="11. 查看错误日志"
    prompt_clear_log="12. 清理日志文件"
    prompt_web_port="13. 查看当前WEB访问端口"
    prompt_uninstall="14. 卸载"
    prompt_reset_pwd="15. 重置认账号密码"
    prompt_target_version="16. 安装指定版本"
    prompt_root_no="请使用root用户运行此脚本！"
    prompt_error_command="输入了错误的指令, 请重新输入。"
    prompt_msg_1="开始安装"
    prompt_msg_2="关闭防火墙"
    prompt_msg_3="未知的操作系统, 关闭防火墙失败"
    m_4="启动程序"
    m_5="程序已经启动，请不要重复启动。"
    m_6="程序启动成功, WEB访问端口"
    m_7="默认账号 qzpm19kkx 默认密码 xloqslz913"
    m_8="如果您是默认密码及默认端口, 请及时在网页设置中修改账号密码及web访问端口。"
    m_9="重置密码完成, 已修改为默认账号密码 qzpm19kkx xloqslz913"
    m_10="终止进程..."
    m_11="未发现"
    m_12="进程"
    m_13="终止"
    m_14="设置开机启动"
    m_15="关闭开机启动..."
    m_16="失败"
    m_17="未发现环境变量配置文件, 开始创建"
    m_18="修改系统连接数限制"
    m_19="连接数限制已修改为65535,重启服务器后生效"
    m_20="当前连接数限制："
    m_21="修改完成, 重启服务器后生效"
    m_22="发现正在运行的"
    m_23=", 需要停止才可继续安装。"
    m_24="输入1停止正在运行的"
    m_25="并且继续安装, 输入2取消安装。"
    m_26="请选择"
    m_27="取消安装"
    m_28="输入错误, 取消安装。"
    m_29="开始创建目录"
    m_30="目录已存在, 无需重复创建, 继续执行安装。"
    m_31="开始下载..."
    m_32="下载程序"
    m_33="卸载完成"
    m_34="按住CTRL+C后台运行"
    m_35="清理日志"
    m_36="清理完成"
    m_37="当前WEB访问端口"
    m_38="输入已发布的版本来进行安装："
    m_39="请输入版本号："
    m_40="程序启动失败!!!"
else
  echo "无效的选择"
  exit 1
fi

clear

[ $(id -u) != "0" ] && { echo "$prompt_root_no"; exit 1; }

echo "$prompt_title"
echo "$prompt_install"
echo "$prompt_update"
echo "$prompt_start"
echo "$prompt_stop"
echo "$prompt_restart"
echo "$prompt_port"
echo "$prompt_ulimit"
echo "$prompt_auto_start"
echo "$prompt_disable_auto_start"
echo "$prompt_status"
echo "$prompt_error_log"
echo "$prompt_clear_log"
echo "$prompt_web_port"
echo "$prompt_uninstall"
echo "$prompt_reset_pwd"
echo "$prompt_target_version"

update() {
    stop

    disable_autostart

    installapp $VERSION
}


check_process() {
    if [[ $(uname) == "Linux" ]]; then
        if pgrep -x "$1" >/dev/null; then
            return 0
        else
            return 1
        fi
    else
        if ps aux | grep -v grep | grep "$1" >/dev/null; then
            return 0
        else
            return 1
        fi
    fi
}

set_port() {
    read -p "$(echo -e "请输入要设置的端口号：")" choose

    setConfig START_PORT $choose

    stop

    start
}

start() {
    echo $BLUE "${m_4}..."
    check_process $PATH_EXEC

    if [ $? -eq 0 ]; then
        echo "${m_5}"
        return
    else
        # cd $PATH_RUST

        # nohup "${PATH_RUST}/${PATH_EXEC}" 2>$PATH_ERR &

        enable_autostart

        sleep 1

        check_process $PATH_EXEC

        if [ $? -eq 0 ]; then
            port=$(getConfig "START_PORT")

            echo "|----------------------------------------------------------------|"
            echo "${m_6}${port}, ${m_7}"
            echo "${m_8}"
	    echo "请及时在网页设置中修改默认账号密码及web访问端口。"
	    echo "如有任何问题请加QQ群：893145602"
            echo "微信：xiaoyu1222006"
	    echo "免费定制专属抽水版本请联系我微信。"
            echo "|----------------------------------------------------------------|"
        else
            echo "${m_40}"
        fi
    fi
}

resetpass() {
    stop

    echo "删除配置文件"

    rm -rf $PATH_D_1
    rm -rf $PATH_D_2
    rm -rf $PATH_D_3

    start

    echo "${m_9}"
}

restart() {
    stop

    start
}

stop() {
    sleep 1

    disable_autostart

    sleep 1

    echo "${m_10}"

    kill_process $PATH_EXEC

    sleep 1
}

kill_process() {
    local process_name="$1"
  local pids=($(pgrep "$process_name"))
  if [ ${#pids[@]} -eq 0 ]; then
    echo "${m_11} $process_name ${m_12}."
    return 1
  fi
  for pid in "${pids[@]}"; do
    echo "Stopping process $pid ..."
    kill -TERM "$pid"
  done
  echo "${m_13} $process_name ."

  sleep 1
}

# 设置开机启动且进程守护
enable_autostart() {
    echo "${m_14}"
    if [ "$(command -v systemctl)" ]; then
        sudo tee /etc/systemd/system/$SERVICE_NAME.service > /dev/null <<EOF
[Unit]
Description=My Program
After=network.target

[Service]
Type=simple
ExecStart=$PATH_RUST/$PATH_EXEC
WorkingDirectory=$PATH_RUST/
Restart=always
StandardOutput=file:$PATH_RUST/nohup.out
StandardError=file:$PATH_RUST/err.log
TimeoutStopSec=5

[Install]
WantedBy=multi-user.target
EOF
        sudo systemctl daemon-reload
        sudo systemctl enable $SERVICE_NAME.service
        sudo systemctl start $SERVICE_NAME.service
    else
        sudo sh -c "echo '${PATH_RUST}/${PATH_EXEC} &' >> /etc/rc.local"
        sudo chmod +x /etc/rc.local
    fi
}

# 禁用开机启动函数
disable_autostart() {
    echo "${m_15}"
    if [ "$(command -v systemctl)" ]; then
        sudo systemctl stop $SERVICE_NAME.service
        sudo systemctl disable $SERVICE_NAME.service
        sudo rm /etc/systemd/system/$SERVICE_NAME.service
        sudo systemctl daemon-reload
    else # 系统使用的是SysVinit
        sudo sed -i '/\/root\/tstc\/tstc\ &/d' /etc/rc.local
    fi

    sleep 1
}


ISSUE() {
    echo "0.1.0"
    echo "0.1.2"
    echo "0.9.9"
    echo "0.9.91"
    echo "0.9.92"
    echo "0.9.93"
    echo "0.9.94"
    echo "0.9.95"
    echo "0.9.96"
    echo "0.9.97"
    echo "0.9.98"
    echo "0.9.99"
    echo "0.9.999"
    echo "1.0.0"
    echo "1.0.1"
    echo "1.0.2"
    echo "1.0.3"
}

filterResult() {
    if [ $1 -eq 0 ]; then
        echo ""
    else
        echo "!!!!!!!!!!!!!!!ERROR!!!!!!!!!!!!!!!!"
        echo "【${2}】${m_16}。"
	
        if [ ! $3 ];then
            echo "!!!!!!!!!!!!!!!ERROR!!!!!!!!!!!!!!!!"
            exit 1
        fi
    fi
    echo -e
}

getConfig() {
    value=$(sed -n 's/^[[:space:]]*'$1'[[:space:]]*=[[:space:]]*\(.*[^[:space:]]\)\([[:space:]]*\)$/\1/p' $PATH_CONFIG)
    echo $value
}

setConfig() {
    if [ ! -f "$PATH_CONFIG" ]; then
        echo "${m_17}"
        
        touch $PATH_CONFIG

        chmod -R 777 $PATH_CONFIG

        echo "START_PORT=63521" >> $PATH_CONFIG
    fi

    TARGET_VALUE="$1=$2"

    line=$(sed -n '/'$1'/=' ${PATH_CONFIG})

    sed -i "${line} a $TARGET_VALUE" $PATH_CONFIG

    sed  -i  "$line d" $PATH_CONFIG

    echo "$1已修改为$2"
}

# 关闭防火墙
disable_firewall() {
    os_name=$(grep "^ID=" /etc/os-release | cut -d "=" -f 2 | tr -d '"')
    echo $prompt_msg_2

    if [ "$os_name" == "ubuntu" ]; then
        sudo ufw disable
    elif [ "$os_name" == "centos" ]; then
        sudo systemctl stop firewalld
        sudo systemctl disable firewalld
    else
        echo $prompt_msg_3
    fi
}

change_limit() {
    echo "${m_18}"

    changeLimit="n"

    if [[ -f /etc/debian_version ]]; then
    echo "soft nofile 65535" | sudo tee -a /etc/security/limits.conf
    echo "hard nofile 65535" | sudo tee -a /etc/security/limits.conf
    echo "fs.file-max = 100000" | sudo tee -a /etc/sysctl.conf
    sudo sysctl -p

    # add PAM configuration to enable the limits for login sessions
    if [[ -f /etc/pam.d/common-session ]]; then
        grep -q '^session.*pam_limits.so$' /etc/pam.d/common-session || sudo sh -c "echo 'session required pam_limits.so' >> /etc/pam.d/common-session"
        fi
    fi

    # set file descriptor limits for CentOS/RHEL
    if [[ -f /etc/redhat-release ]]; then
        echo "* soft nofile 65535" | sudo tee -a /etc/security/limits.conf
        echo "* hard nofile 65535" | sudo tee -a /etc/security/limits.conf
        echo "fs.file-max = 100000" | sudo tee -a /etc/sysctl.conf
        sudo sysctl -p
    fi

    # set file descriptor limits for macOS
    if [[ "$(uname)" == "Darwin" ]]; then
        sudo launchctl limit maxfiles 65535 65535
        sudo sysctl -w kern.maxfiles=100000
        sudo sysctl -w kern.maxfilesperproc=65535
    fi

    # set systemd file descriptor limits
    if [[ -x /bin/systemctl ]]; then
        echo "DefaultLimitNOFILE=65535" >>/etc/systemd/user.conf
        echo "DefaultLimitNOFILE=65535" >>/etc/systemd/system.conf
        systemctl daemon-reexec
    fi

    if [ $(grep -c "root soft nofile" /etc/security/limits.conf) -eq '0' ]; then
        echo "root soft nofile 65535" >>/etc/security/limits.conf
        echo "* soft nofile 65535" >>/etc/security/limits.conf
        changeLimit="y"
    fi

    if [ $(grep -c "root hard nofile" /etc/security/limits.conf) -eq '0' ]; then
        echo "root hard nofile 65535" >>/etc/security/limits.conf
        echo "* hard nofile 65535" >>/etc/security/limits.conf
        changeLimit="y"
    fi

    if [ $(grep -c "DefaultLimitNOFILE=65535" /etc/systemd/user.conf) -eq '0' ]; then
        echo "DefaultLimitNOFILE=65535" >>/etc/systemd/user.conf
        changeLimit="y"
    fi

    if [ $(grep -c "DefaultLimitNOFILE=65535" /etc/systemd/system.conf) -eq '0' ]; then
        echo "DefaultLimitNOFILE=65535" >>/etc/systemd/system.conf
        changeLimit="y"
    fi

    if [[ "$changeLimit" = "y" ]]; then
        echo "${m_19}"
    else
        echo -n "${m_20}"
        ulimit -n
    fi

    echo "${m_21}"
}

installapp() {
    if [ -n "$1" ]; then
        VERSION="$1"
        ORIGIN_EXEC="tcstminersystem-${1}"
    fi

    echo $ORIGIN_EXEC

    echo "${prompt_msg_1}${ORIGIN_EXEC}"

    disable_firewall

    check_process $PATH_EXEC
    
    if [ $? -eq 0 ]; then
        echo "${m_22}${PATH_EXEC}${m_23}"
        echo "${m_24}${PATH_EXEC}${m_25}"

        read -p "$(echo -e "${m_26}[1-2]：")" choose
        case $choose in
        1)
            stop
            ;;
        2)
            echo "${m_27}"
            return
            ;;
        *)
            echo "${m_28}"
            return
            ;;
        esac
    fi

    echo "${m_29}"

    if [[ ! -d $PATH_RUST ]];then
        mkdir $PATH_RUST
        chmod 777 -R $PATH_RUST
    else
        echo $YELLOW "${m_30}"
    fi

    if [[ ! -d $PATH_NOHUP ]];then
        touch $PATH_NOHUP
        touch $PATH_ERR

        chmod 777 -R $PATH_NOHUP
        chmod 777 -R $PATH_ERR
    fi

    if [[ ! -f $PATH_CONFIG ]];then
        setConfig START_PORT $((RANDOM%65535+1))
    fi

    echo "${m_31}"

    wget -P $PATH_RUST "${DOWNLOAD_HOST}/${ORIGIN_EXEC}" -O "${PATH_RUST}/${PATH_EXEC}" 1>/dev/null

    filterResult $? "${m_32}"

    chmod 777 -R "${PATH_RUST}/${PATH_EXEC}"

    # enable_autostart

    start
}

uninstall() {
    stop

    rm -rf ${PATH_RUST}

    disable_autostart

    echo "${m_33}"
}

check_hub() {
    echo "${m_34}"
    tail -f $PATH_NOHUP
}

check_err() {
    echo "${m_34}"
    tail -f $PATH_ERR
}

clearlog() {
    echo "${m_35}"
    rm $PATH_NOHUP > /dev/null 2>&1
    rm $PATH_ERR > /dev/null 2>&1
    echo "${m_36}"
}


lookport() {
    port=$(getConfig "START_PORT")

    echo "${m_37}${port}"
}

install_target() {
    echo "${m_38}"
    echo ""
    ISSUE
    echo ""
    read -p "$(echo -e "${m_39}")" choose

    installapp $choose
}


read -p "$(echo -e "[1-16]：")" choose

case $choose in
1)
    installapp $VERSION
    ;;
2)
    update
    ;;
3)
    start
    ;;
4)
    stop
    ;;
5)
    restart
    ;;
6)
    set_port
    ;;
7)
    change_limit
    ;;
8)
    enable_autostart
    ;;
9)
    disable_autostart
    ;;
10)
    check_hub
    ;;
11)
    check_err
    ;;
12)
    clearlog
    ;;
13)
    lookport
    ;;
14)
    uninstall
    ;;
15)
    resetpass
    ;;
16)
    install_target
    ;;
*)
    echo $prompt_error_command
    ;;
esac