using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.ComponentModel;
using System.Windows.Input;
using System.Collections.ObjectModel;
using Haley.Models;
using Haley.Abstractions;
using Haley.MVVM;

namespace QuickMVVMSetup;

public class MainVM : ChangeNotifier
{

    private Person person;

    public Person TargetPerson
    {
        get { return person; }
        set { person = value; OnPropertyChanged(nameof(TargetPerson)); }
    } 

    private ObservableCollection<Person> _persons; //only when added/or removed (not for internal property changes)

    public ObservableCollection<Person> Persons
    {
        get { return _persons; }
        set { _persons = value; }
    }

    public void AddPerson()
    {
        Persons.Add(TargetPerson);  // Adding to collection
        TargetPerson = new Person(); //Resetting it
    }


    //public ICommand CMDAdd { get; set; }
    public ICommand CMDAdd => new DelegateCommand(AddPerson);
    public ICommand CMDDelete => new DelegateCommand<Person>(DeletePerson);

    private void DeletePerson(Person obj)
    {
        if (obj == null) return;
        if (!Persons.Contains(obj)) return;
        Persons.Remove(obj);
    }

    public MainVM()
    {
        //CMDAdd = new AddCommand(this);
        Persons = new ObservableCollection<Person>();
        TargetPerson = new Person();
    }
}