using System;
using System.Windows.Input;

namespace BackgroundBuilder.Utils
{
    public class RelayCommand(Action<object?> execute, Func<object?, bool>? canExecute = null) : ICommand
    {
        private readonly Action<object?> _execute = execute;
        private readonly Func<object?, bool>? _canExecute = canExecute;

        public bool CanExecute(object? parameter) => _canExecute?.Invoke(parameter) ?? true;
        public void Execute(object? parameter) => _execute(parameter);

        public event EventHandler? CanExecuteChanged;
        public void RaiseCanExecuteChanged()
            => CanExecuteChanged?.Invoke(this, EventArgs.Empty);
    }
}