using Microsoft.Win32;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Timers;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace ExternalProgramBatcher
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        private string _path;
        private int _interval;

        private System.Timers.Timer _timer;

        public MainWindow()
        {
            InitializeComponent();
            InitInstance();
        }

        private void InitInstance()
        {
            _timer = new System.Timers.Timer();
            _timer.Elapsed += _timer_Elapsed;
        }

        

        private void btnPath_Click(object sender, RoutedEventArgs e)
        {
            OpenFileDialog dlg = new OpenFileDialog();
            if (dlg.ShowDialog() != true)
                return;

            tbPath.Text = dlg.FileName;
        }

        private void btnStart_Click(object sender, RoutedEventArgs e)
        {
            if (string.IsNullOrEmpty(tbPath.Text)) 
                return;

            if (string.IsNullOrEmpty(tbInterval.Text))
                return;

            try
            {
                _path = tbPath.Text;
                _timer.Interval = int.Parse(tbInterval.Text);

                _timer.Start();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        private bool _isStartAction = true;
        private void _timer_Elapsed(object? sender, ElapsedEventArgs e)
        {
            if (_isStartAction)
            {
                Process.Start(_path);

                _isStartAction = !_isStartAction;
            }
            else
            {
                string processName = System.IO.Path.GetFileNameWithoutExtension(_path);
                foreach (Process process in Process.GetProcesses())
                {
                    if (process.ProcessName.StartsWith(processName))
                        process.Kill();
                }

                _isStartAction = !_isStartAction;
            }
        }
    }
}