using Microsoft.Extensions.Logging;
using System;
using System.Collections.Generic;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using TransportGuideContracts.BusinessLogicsContracts;
using TransportGuideContracts.SearchModels;
using TransportGuideDataModels.Models;
using TransportGuideContracts.BindingModels;

namespace TransportGuide
{
	public partial class FormRoute : Form
	{
		private readonly ILogger _logger;
		private readonly IRouteLogic _logic;
		private readonly ITransportTypeLogic _logicTT;
		private int? _id;
		private Dictionary<int, (IStopModel, int)> _RouteStops;
		public int Id { set { _id = value; } }
		public FormRoute(ILogger<FormRoute> logger, IRouteLogic logic, ITransportTypeLogic logicTT)
		{
			InitializeComponent();
			_logger = logger;
			_logic = logic;
			_RouteStops = new Dictionary<int, (IStopModel, int)>();
			_logicTT = logicTT;
		}

		private void FormRoute_Load(object sender, EventArgs e)
		{
			if (_id.HasValue)
			{
				try
				{
					var view = _logic.ReadElement(new RouteSearchModel
					{
						Id = _id.Value
					});
					if (view != null)
					{
						textBoxName.Text = view.Name;
						textBoxIP.Text = view.IP.ToString();
						_RouteStops = view.StopRoutes ?? new
						Dictionary<int, (IStopModel, int)>();
						LoadData();
					}
				}
				catch (Exception ex)
				{
					MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK,
					MessageBoxIcon.Error);
				}
			}

			try
			{
				var list = _logicTT.ReadList(null);
				if (list != null)
				{
					comboBoxTransportType.DisplayMember = "Type";
					comboBoxTransportType.ValueMember = "Id";
					comboBoxTransportType.DataSource = list.Select(c => c.Name).ToList();
					comboBoxTransportType.SelectedItem = null;
				}

			}
			catch (Exception ex)
			{
				_logger.LogError(ex, "Ошибка загрузки списка");
				MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
			}

		}
		private void LoadData()
		{
			try
			{
				if (_RouteStops != null)
				{
					dataGridView.Rows.Clear();
					foreach (var pc in _RouteStops)
					{
						dataGridView.Rows.Add(new object[] { pc.Key, pc.Value.Item1.Name, pc.Value.Item2 });
					}
					//textBoxIP.Text = CalcIP().ToString();
				}
			}
			catch (Exception ex)
			{
				MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK,
			   MessageBoxIcon.Error);
			}
		}

		private void buttonAdd_Click(object sender, EventArgs e)
		{
			var service = Program.ServiceProvider?.GetService(typeof(FormStopRoute));
			if (service is FormStopRoute form)
			{
				if (form.ShowDialog() == DialogResult.OK)
				{
					if (form.StopModel == null)
					{
						return;
					}
					if (_RouteStops.ContainsKey(form.Id))
					{
						_RouteStops[form.Id] = (form.StopModel, form.Nomer);
					}
					else
					{
						_RouteStops.Add(form.Id, (form.StopModel, form.Nomer));
					}
					LoadData();
				}
			}

		}

		private void buttonChange_Click(object sender, EventArgs e)
		{
			if (dataGridView.SelectedRows.Count == 1)
			{
				var service = Program.ServiceProvider?.GetService(typeof(FormStopRoute));
				if (service is FormStopRoute form)
				{
					int id = Convert.ToInt32(dataGridView.SelectedRows[0].Cells[0].Value);
					form.Id = id;
					form.Nomer = _RouteStops[id].Item2;
					if (form.ShowDialog() == DialogResult.OK)
					{
						if (form.StopModel == null)
						{
							return;
						}
						_RouteStops[form.Id] = (form.StopModel, form.Nomer);
						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)
				{
					try
					{
						_RouteStops?.Remove(Convert.ToInt32(dataGridView.SelectedRows[0].Cells[0].Value));
					}
					catch (Exception ex)
					{
						MessageBox.Show(ex.Message, "Ошибка",
					   MessageBoxButtons.OK, MessageBoxIcon.Error);
					}
					LoadData();
				}
			}

		}

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

		private void buttonSave_Click(object sender, EventArgs e)
		{
			if (string.IsNullOrEmpty(textBoxName.Text))
			{
				MessageBox.Show("Fill in Name", "Ошибка",
			   MessageBoxButtons.OK, MessageBoxIcon.Error);
				return;
			}
			if (string.IsNullOrEmpty(textBoxIP.Text))
			{
				MessageBox.Show("Fill in IP", "Ошибка", MessageBoxButtons.OK,
			   MessageBoxIcon.Error);
				return;
			}
			if (_RouteStops == null || _RouteStops.Count == 0)
			{
				MessageBox.Show("Fill in Stops", "Ошибка",
			   MessageBoxButtons.OK, MessageBoxIcon.Error);
				return;
			}

			if (comboBoxTransportType.SelectedItem == null)
			{
				MessageBox.Show("Fill in Type", "Ошибка",
			   MessageBoxButtons.OK, MessageBoxIcon.Error);
				return;
			}
			try
			{
				var model = new RouteBindingModel
				{
					Id = _id ?? 0,
					Name = textBoxName.Text,
					IP = textBoxIP.Text,
					TransportTypeId = comboBoxTransportType.SelectedIndex,
					StopRoutes = _RouteStops
				};
				var operationResult = _id.HasValue ? _logic.Update(model) :
			   _logic.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)
			{
				_logger.LogError(ex, "Ошибка сохранения драгоценности");
				MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
			}

		}

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