#!/bin/bash

show_menu() {
    echo "Supervisor Control Menu"
    echo "------------------------"
    echo "1) Show process status"
    echo "2) Shutdown supervisor"
    echo "3) Start supervisord in background"
    echo "0) Exit"
    echo -n "Enter your choice [0-3]: "
}

while true; do
    show_menu
    read -r choice

    case "$choice" in
        1)
            echo
            supervisorctl status
            echo
            ;;
        2)
            echo
            supervisorctl shutdown
            echo "Supervisor has been shut down."
            echo
            ;;
        3)
            echo
            if ! pgrep -f "supervisord.*supervisord.conf" > /dev/null; then
                nohup supervisord -n -c supervisord.conf > /dev/null 2>&1 &
                echo "supervisord started in background (PID: $!)"
            else
                echo "supervisord is already running."
            fi
            echo
            ;;
        0)
            echo "Goodbye."
            exit 0
            ;;
        *)
            echo
            echo "Invalid choice. Please enter 0, 1, 2, or 3."
            echo
            ;;
    esac

    # 按任意键继续（可选，提升体验）
    read -n 1 -s -r -p "Press any key to continue..."
    echo $'\n'
done