namespace Common.GUI.ViewModels.Base
{
    using System;
    using System.Windows.Input;

    public class Command : ICommand
    {
        private readonly Action executable;

        public Command(Action executable) 
            => this.executable = executable;

        public event EventHandler CanExecuteChanged
        {
            add => CommandManager.RequerySuggested += value;
            remove => CommandManager.RequerySuggested -= value;
        }

        public bool CanExecute(object _)
            => this.executable != null;

        public void Execute(object _)
            => this.executable?.Invoke();
    }
}