using System;
using System.Windows.Forms;
using YourNamespace.Entities;
using YourNamespace.Repositories;

namespace YourNamespace.Forms
{
    public partial class FormPlane : Form
    {
        private readonly IPlaneRepository _planeRepository;
        private int? _planeId;

        public int Id
        {
            set
            {
                try
                {
                    var plane = _planeRepository.ReadPlaneById(value);
                    if (plane == null)
                    {
                        throw new InvalidDataException(nameof(plane));
                    }
                    textBoxModel.Text = plane.Model;
                    numericUpDownCapacity.Value = plane.Capacity;
                    _planeId = value;
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message, "Ошибка при получении данных", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    return;
                }
            }
        }

        public FormPlane(IPlaneRepository planeRepository)
        {
            InitializeComponent();
            _planeRepository = planeRepository ?? throw new ArgumentNullException(nameof(planeRepository));
        }

        private void ButtonSave_Click(object sender, EventArgs e)
        {
            try
            {
                if (string.IsNullOrWhiteSpace(textBoxModel.Text))
                {
                    throw new Exception("Имеются незаполненные поля");
                }
                if (_planeId.HasValue)
                {
                    _planeRepository.UpdatePlane(CreatePlane(_planeId.Value));
                }
                else
                {
                    _planeRepository.CreatePlane(CreatePlane(0));
                }
                Close();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Ошибка при сохранении", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

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

        private Plane CreatePlane(int id) => Plane.CreateEntity(id, textBoxModel.Text, (int)numericUpDownCapacity.Value);
    }
}