using System.Diagnostics;

namespace LeagueAPI.Utils;

public class ProcessWatcher : IDisposable
{
    private bool _isDisposed;
    private Timer _timer;

    public bool IsGameRunning { get; private set; } = false;

    public event EventHandler? LeagueOfLegendsExeFound;

    public TimeSpan Interval
    {
        get => field;
        set
        {
            if (field != value)
            {
                field = value;
                _timer?.Change(TimeSpan.Zero, value);
            }
        }
    } = TimeSpan.FromSeconds(10);

    public ProcessWatcher()
    {
        _timer = new(OnTimerTick, null, TimeSpan.Zero, Interval);
    }

    private void OnTimerTick(object? state)
    {
        if (Process.GetProcessesByName("League of Legends").Length != 0)
        {
            if (!IsGameRunning)
            {
                LeagueOfLegendsExeFound?.Invoke(this, EventArgs.Empty);
            }
            IsGameRunning = true;
        }
        else
        {
            IsGameRunning = false;
        }
    }

    #region IDisposable
    protected virtual void Dispose(bool disposing)
    {
        if (!_isDisposed)
        {
            if (disposing)
            {
                _timer?.Dispose();
            }

            _isDisposed = true;
        }
    }

    public void Dispose()
    {
        // Do not change this code. Put cleanup code in 'Dispose(bool disposing)' method
        Dispose(disposing: true);
        GC.SuppressFinalize(this);
    }
    #endregion
}