using PersonnelDepartmentBusinessLogic.BusinessLogics;
using PersonnelDepartmentContracts.BindingModels;
using PersonnelDepartmentContracts.BusinessLogicContracts;
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 FormDepartments : Form
	{
		private readonly IDepartmentLogic _departmentLogic;
		public FormDepartments(IDepartmentLogic departmentLogic)
		{
			InitializeComponent();
			_departmentLogic = departmentLogic;
		}

		private void LoadData()
		{
			try
			{
				var list = _departmentLogic.ReadList(null);
				if (list != null)
				{
					dataGridView.DataSource = list;
					dataGridView.Columns["Id"].Visible = false;
					dataGridView.Columns["Name"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
					dataGridView.Columns["Telephone"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
				}
			}
			catch (Exception ex)
			{
				MessageBox.Show(ex.Message, "Ошибка загрузки", MessageBoxButtons.OK, MessageBoxIcon.Error);
			}
		}

		private void ButtonAdd_Click(object sender, EventArgs e)
		{
			var service = Program.ServiceProvider?.GetService(typeof(FormDepartment));
			if (service is FormDepartment form)
			{
				if (form.ShowDialog() == DialogResult.OK)
				{
					LoadData();
				}
			}
		}

		private void ButtonChange_Click(object sender, EventArgs e)
		{
			if (dataGridView.SelectedRows.Count == 1)
			{
				var service = Program.ServiceProvider?.GetService(typeof(FormDepartment));
				if (service is FormDepartment form)
				{
					form.Id = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["Id"].Value);
					if (form.ShowDialog() == DialogResult.OK)
					{
						LoadData();
					}
				}
			}
		}

		private void ButtonDelete_Click(object sender, EventArgs e)
		{
			if (dataGridView.SelectedRows.Count == 1)
			{
				if (MessageBox.Show("Удалить запись?", "Вопрос", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
				{
					int id = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["Id"].Value);
					try
					{
						if (!_departmentLogic.Delete(new DepartmentBindingModel
						{
							Id = id
						}))
						{
							throw new Exception("Ошибка при удалении.");
						}
						LoadData();
					}
					catch (Exception ex)
					{
						MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
					}
				}
			}
		}

		private void ButtonUpdate_Click(object sender, EventArgs e)
		{
			LoadData();
		}

		private void FormDepartments_Load(object sender, EventArgs e)
		{
			LoadData();
		}
	}
}