using System.Collections.ObjectModel;
using Gestor.Application.Servicos.Seguros.Itens;
using Gestor.Model.Common;
using Gestor.Model.Domain.Seguros;

namespace Gestor.Application.ViewModels.Generic;

public class SelecionarItensViewModel : BaseSegurosViewModel
{
	private ItemServico _itemServico;

	private ObservableCollection<Item> _itens = new ObservableCollection<Item>();

	private bool? _allSelected;

	private bool _allSelectedChanging;

	public ObservableCollection<Item> Itens
	{
		get
		{
			return _itens;
		}
		set
		{
			_itens = value;
			OnPropertyChanged("Itens");
		}
	}

	public bool? AllSelected
	{
		get
		{
			return _allSelected;
		}
		set
		{
			if (value != _allSelected)
			{
				_allSelected = value;
				AllSelectedChanged();
				OnPropertyChanged("AllSelected");
			}
		}
	}

	public SelecionarItensViewModel(long id)
	{
		_itemServico = new ItemServico();
		CarregarItens(id);
	}

	private async void CarregarItens(long id)
	{
		Itens = await _itemServico.BuscarItens(id, (StatusItem)0);
	}

	private void AllSelectedChanged()
	{
		if (_allSelectedChanging)
		{
			return;
		}
		try
		{
			_allSelectedChanging = true;
			if (!AllSelected.HasValue)
			{
				return;
			}
			foreach (Item iten in Itens)
			{
				iten.Selecionado = AllSelected.Value;
			}
		}
		finally
		{
			_allSelectedChanging = false;
		}
	}
}