using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;

namespace MauiMvvm.ViewModels;

public class GreetingViewModel : ObservableObject
{
    private string name = "";
    private string greeting = "Enter a name to begin.";

    public string Name
    {
        get => name;
        set => SetProperty(ref name, value);
    }

    public string Greeting
    {
        get => greeting;
        set => SetProperty(ref greeting, value);
    }

    public IRelayCommand GreetCommand { get; }

    public GreetingViewModel()
    {
        GreetCommand = new RelayCommand(Greet);
    }

    private void Greet()
    {
        Greeting = string.IsNullOrWhiteSpace(Name)
            ? "Hello from MVVM!"
            : $"Welcome, {Name.Trim()}!";
    }
}