using Contracts.BindingModels;
using Contracts.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 Library
{
	public partial class FormAuthor : Form
	{
		private readonly IAuthorLogic authorLogic;
		BindingList<AuthorBindingModel> authorBindingList;

		public FormAuthor(IAuthorLogic _authorLogic)
		{
			InitializeComponent();
			authorLogic = _authorLogic;
			authorBindingList = new BindingList<AuthorBindingModel>();
			dataGridView1.AllowUserToAddRows = false;
		}

		private void LoadData()
		{
			try
			{
				var list1 = authorLogic.Read(null);
				authorBindingList.Clear();
				foreach (var item in list1)
				{
					authorBindingList.Add(new AuthorBindingModel
					{
						Id = item.Id,
						FIO = item.FIO,
					});
				}
				if (authorLogic != null)
				{
					dataGridView1.DataSource = authorBindingList;
					dataGridView1.Columns[0].Visible = false;
					dataGridView1.Columns[1].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
				}
			}
			catch (Exception ex)
			{
				MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
			}
		}

		private void dataGridView_CellEndEdit(object sender, DataGridViewCellEventArgs e)
		{
			var typeName = (string)dataGridView1.CurrentRow.Cells[1].Value;
			if (!string.IsNullOrEmpty(typeName))
			{
				if (dataGridView1.CurrentRow.Cells[0].Value != null)
				{
					authorLogic.CreateOrUpdate(new AuthorBindingModel()
					{
						Id = Convert.ToInt32(dataGridView1.CurrentRow.Cells[0].Value),
						FIO = (string)dataGridView1.CurrentRow.Cells[1].EditedFormattedValue
					});
				}
				else
				{
					authorLogic.CreateOrUpdate(new AuthorBindingModel()
					{
						FIO = (string)dataGridView1.CurrentRow.Cells[1].EditedFormattedValue
					});
				}
			}
			else
			{
				MessageBox.Show("Введена пустая строка", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
			}
			LoadData();
		}


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

		private void dataGridView_KeyDown(object sender, KeyEventArgs e)
		{
			if (e.KeyData == Keys.Insert)
			{
				if (dataGridView1.Rows.Count == 0)
				{
					authorBindingList.Add(new AuthorBindingModel());
					dataGridView1.DataSource = new BindingList<AuthorBindingModel>(authorBindingList);
					dataGridView1.CurrentCell = dataGridView1.Rows[0].Cells[1];
					return;
				}
				if (dataGridView1.Rows[dataGridView1.Rows.Count - 1].Cells[1].Value != null)
				{
					authorBindingList.Add(new AuthorBindingModel());
					dataGridView1.DataSource = new BindingList<AuthorBindingModel>(authorBindingList);
					dataGridView1.CurrentCell = dataGridView1.Rows[dataGridView1.Rows.Count - 1].Cells[1];
					return;
				}
			}
			if (e.KeyData == Keys.Delete)
			{
				if (MessageBox.Show("Удалить выбранный элемент", "Удаление",
							MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
				{
					authorLogic.Delete(new AuthorBindingModel() { Id = (int)dataGridView1.CurrentRow.Cells[0].Value });
					LoadData();
				}
			}
		}
	}
}