using ProjectGarage.Entities;
using ProjectGarage.Entities.Enums;
using ProjectGarage.Repositories;

namespace ProjectGarage.Forms
{
    public partial class FormTruck : Form
    {

        private readonly ITruckRepository _truckRepository;
        private int? _truckId;
        public int Id
        {
            set
            {
                try
                {
                    var truck = _truckRepository.ReadTruckByID(value);
                    if (truck == null)
                    {
                        throw new InvalidDataException(nameof(truck));
                    }

                    textBoxTruckNumbers.Text = truck.Numbers;
                    comboBoxTruckType.SelectedItem = truck.Type;
                    numericUpDownMaxFuel.Value = truck.MaxFuel;
                    _truckId = value;
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message, "Ошибка при получении данных", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    return;
                }
            }
        }

        public FormTruck(ITruckRepository truckRepository)
        {
            InitializeComponent();
            _truckRepository = truckRepository ??
                throw new ArgumentNullException(nameof(truckRepository));
            comboBoxTruckType.DataSource = Enum.GetValues(typeof(TruckType));
        }

        private void ButtonTruckSave_Click(object sender, EventArgs e)
        {
            try
            {
                if (string.IsNullOrWhiteSpace(textBoxTruckNumbers.Text)
                    || comboBoxTruckType.SelectedIndex < 1)
                {
                    throw new Exception("Имеются незаполненные поля");
                }
                if (_truckId.HasValue)
                {
                    _truckRepository.UpdateTruck(CreateTruck(_truckId.Value));
                }
                else
                {
                    _truckRepository.CreateTruck(CreateTruck(0));
                }
                Close();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Ошибка при сохранении", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private void ButtonTruckCancel_Click(object sender, EventArgs e) => Close();

        private Truck CreateTruck(int id) => Truck.CreateTruck(id, textBoxTruckNumbers.Text,
            (TruckType)comboBoxTruckType.SelectedItem!, Convert.ToInt32(numericUpDownMaxFuel.Value));
    }
}