using SoftwareInstallationContracts.BindingModels;
using SoftwareInstallationContracts.BusinessLogicsContracts;
using SoftwareInstallationContracts.SearchModels;
using SoftwareInstallationContracts.ViewModels;
using Microsoft.Extensions.Logging;
using SoftwareInstallationBusinessLogic;

namespace SoftwareInstallationView
{
	public partial class FormCreateOrder : Form
	{
		private readonly ILogger _logger;
		private readonly IPackageLogic _logicP;
		private readonly IOrderLogic _logicO;
		private readonly IClientLogic _clientLogic;
		private readonly List<PackageViewModel>? _list;
		public FormCreateOrder(ILogger<FormCreateOrder> logger, IPackageLogic logicP, IOrderLogic logicO, IClientLogic clientLogic)
		{
			InitializeComponent();
			_logger = logger;
			_logicP = logicP;
			_logicO = logicO;
			_clientLogic = clientLogic;
			_list = logicP.ReadList(null);
			if (_list != null)
			{
				comboBoxPackage.DisplayMember = "PackageName";
				comboBoxPackage.ValueMember = "Id";
				comboBoxPackage.DataSource = _list;
				comboBoxPackage.SelectedItem = null;
			}
			var clients = _clientLogic.ReadList(null);
			if (clients != null)
			{
				comboBoxClient.DisplayMember = "clientFIO";
				comboBoxClient.ValueMember = "Id";
				comboBoxClient.DataSource = clients;
				comboBoxClient.SelectedItem = null;
			}
		}
		private void FormCreateOrder_Load(object sender, EventArgs e)
		{
			_logger.LogInformation("Загрузка изделий для заказа");
			comboBoxPackage.DataSource = _logicP.ReadList(null) ?? new();
		}
		private void CalcSum()
		{
			if (comboBoxPackage.SelectedValue != null && !string.IsNullOrEmpty(textBoxCount.Text))
			{
				try
				{
					int id = Convert.ToInt32(comboBoxPackage.SelectedValue);
					var package = _logicP.ReadElement(new PackageSearchModel
					{
						Id = id
					});
					int count = Convert.ToInt32(textBoxCount.Text);
					textBoxSum.Text = Math.Round(count * (package?.Price ?? 0), 2).ToString();
					_logger.LogInformation("Расчет суммы заказа");
				}
				catch (Exception ex)
				{
					_logger.LogError(ex, "Ошибка расчета суммы заказа");
					MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
				}
			}
		}
		private void TextBoxCount_TextChanged(object sender, EventArgs e)
		{
			CalcSum();
		}
		private void ComboBoxPackage_SelectedIndexChanged(object sender, EventArgs e)
		{
			CalcSum();
		}
		private void ButtonSave_Click(object sender, EventArgs e)
		{
			if (string.IsNullOrEmpty(textBoxCount.Text))
			{
				MessageBox.Show("Заполните поле Количество", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
				return;
			}
			if (comboBoxPackage.SelectedValue == null)
			{
				MessageBox.Show("Выберите изделие", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
				return;
			}
			if (comboBoxClient.SelectedValue == null)
			{
				MessageBox.Show("Выберите клиента", "Ошибка",
				MessageBoxButtons.OK, MessageBoxIcon.Error);
				return;
			}
			_logger.LogInformation("Создание заказа");
			try
			{
				var operationResult = _logicO.CreateOrder(new OrderBindingModel
				{
					ClientId = Convert.ToInt32(comboBoxClient.SelectedValue),
					PackageId = Convert.ToInt32(comboBoxPackage.SelectedValue),
					Count = Convert.ToInt32(textBoxCount.Text),
					Sum = Convert.ToDouble(textBoxSum.Text)
				});
				if (!operationResult)
				{
					throw new Exception("Ошибка при создании заказа. 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 создания заказа");
				MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
			}
		}
		private void ButtonCancel_Click(object sender, EventArgs e)
		{
			DialogResult = DialogResult.Cancel;
			Close();
		}
	}
}