using PersonnelDepartmentBusinessLogic.BusinessLogics;
using PersonnelDepartmentContracts.BindingModels;
using PersonnelDepartmentContracts.BusinessLogicContracts;
using PersonnelDepartmentContracts.SearchModels;
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 PersonnelDepartmentView
{
	public partial class FormEmployee : Form
	{
		private readonly IEmployeeLogic _employeeLogic;
		private int? _id;
		public int Id { set { _id = value; } }
		public FormEmployee(IEmployeeLogic employeeLogic)
		{
			InitializeComponent();
			_employeeLogic = employeeLogic;
		}

		private void FormEmployee_Load(object sender, EventArgs e)
		{
			if (_id.HasValue)
			{
				try
				{
					var view = _employeeLogic.ReadElement(new EmployeeSearchModel
					{
						Id = _id.Value
					});
					if (view != null)
					{
						textBoxFirstName.Text = view.FirstName;
						textBoxLastName.Text = view.LastName;
						textBoxPatronymic.Text = view.Patronymic;
					}
				}
				catch (Exception ex)
				{
					MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK,
					MessageBoxIcon.Error);
				}
			}
		}

		private void ButtonSave_Click(object sender, EventArgs e)
		{
			if (string.IsNullOrEmpty(textBoxFirstName.Text))
			{
				MessageBox.Show("Введите название", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
				return;
			}
			if (string.IsNullOrEmpty(textBoxLastName.Text))
			{
				MessageBox.Show("Введите контактный номер", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
				return;
			}
			try
			{
				var model = new EmployeeBindingModel
				{
					Id = _id ?? 0,
					FirstName = textBoxFirstName.Text,
					LastName = textBoxLastName.Text,
					Patronymic = textBoxPatronymic.Text
				};
				var operationResult = _id.HasValue ? _employeeLogic.Update(model) : _employeeLogic.Create(model);
				if (!operationResult)
				{
					throw new Exception("Ошибка при сохранении. Дополнительная информация в логах.");
				}
				MessageBox.Show("Сохранение прошло успешно", "Сообщение", MessageBoxButtons.OK, MessageBoxIcon.Information);
				DialogResult = DialogResult.OK;
				Close();
			}
			catch (Exception ex)
			{
				MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
			}
		}

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