using ComputersShopContracts.BusinessLogicContracts;
using ComputersShopContracts.ViewModels;
using Microsoft.Extensions.Logging;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace ComputersShopView
{
	public partial class FormShopReplenishment : Form
	{
		private readonly ILogger _logger;
		private readonly IShopLogic _shopLogic;
		private readonly IComputerLogic _computerLogic;
		private readonly List<ShopViewModel>? _listStores;
		private readonly List<ComputerViewModel>? _listcomputers;
		public FormShopReplenishment(ILogger<FormShopReplenishment> logger, IShopLogic shopLogic, IComputerLogic computerLogic)
		{
			InitializeComponent();
			_shopLogic = shopLogic;
			_computerLogic = computerLogic;
			_logger = logger;
			_listStores = shopLogic.ReadList(null);
			if (_listStores != null)
			{
				сomboBoxShopName.DisplayMember = "ShopName";
				сomboBoxShopName.ValueMember = "Id";
				сomboBoxShopName.DataSource = _listStores;
				сomboBoxShopName.SelectedItem = null;
			}

			_listcomputers = computerLogic.ReadList(null);
			if (_listcomputers != null)
			{
				comboBoxComputerName.DisplayMember = "ComputerName";
				comboBoxComputerName.ValueMember = "Id";
				comboBoxComputerName.DataSource = _listcomputers;
				comboBoxComputerName.SelectedItem = null;
			}
		}

		private void ButtonSave_Click(object sender, EventArgs e)
		{
			if (сomboBoxShopName.SelectedValue == null)
			{
				MessageBox.Show("Выберите магазин", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
				return;
			}

			if (comboBoxComputerName.SelectedValue == null)
			{
				MessageBox.Show("Выберите компьютер", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
				return;
			}

			_logger.LogInformation("Добавление компьютер в магазин");

			try
			{
				var computer = _computerLogic.ReadElement(new()
				{
					Id = (int)comboBoxComputerName.SelectedValue
				});

				if (computer == null)
				{
					throw new Exception("Не найден компьютер. Дополнительная информация в логах.");
				}

				var resultOperation = _shopLogic.AddComputer(
					 model: new() { Id = (int)сomboBoxShopName.SelectedValue },
					computer: computer,
					 quantity: Convert.ToInt32(CountTextBox.Text)
				);

				if (!resultOperation)
				{
					throw new Exception("Ошибка при добавлении. Дополнительная информация в логах.");
				}

				MessageBox.Show("Сохранение прошло успешно", "Сообщение", MessageBoxButtons.OK, MessageBoxIcon.Information);
				DialogResult = DialogResult.OK;
				Close();
			}
			catch (Exception ex)
			{
				_logger.LogError(ex, "Ошибка сохранения компьютера");
				MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
			}
		}

		private void ButtonCancel_Click(object sender, EventArgs e)
		{
			DialogResult = DialogResult.Cancel;
			Close();
		}
	}
}