using Microsoft.Extensions.Logging;
using TaskTrackerContracts.BindingModels;
using TaskTrackerContracts.BusinessLogicsContracts;
using TaskTrackerContracts.SearchModels;
using TaskTrackerDataModels.Models;
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 TaskTrackerView
{
	public partial class FormOrganization : Form
	{

		private readonly IOrganizationLogic _logic;

		private int? _id;

		private Dictionary<int, (IProjectModel, int)> _organizationProjects;

		public int Id { set { _id = value; } }
		public FormOrganization(IOrganizationLogic logic)
		{
			InitializeComponent();
			_logic = logic;
			_organizationProjects = new Dictionary<int, (IProjectModel, int)>();
		}
		private void FormReinforced_Load(object sender, EventArgs e)
		{
			if (_id.HasValue)
			{
				try
				{
					var view = _logic.ReadElement(new OrganizationSearchModel { Id = _id.Value });
					if (view != null)
					{
						textBoxName.Text = view.OrganizationName;
						_organizationProjects = view.OrganizationProjects ?? new Dictionary<int, (IProjectModel, int)>();
						LoadData();
					}
				}
				catch (Exception ex)
				{
					MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
				}
			}
		}
		private void LoadData()
		{
			try
			{
				if (_organizationProjects != null)
				{
					dataGridView.Rows.Clear();
					foreach (var pc in _organizationProjects)
					{
						dataGridView.Rows.Add(new object[] { pc.Key, pc.Value.Item1.ProjectName, pc.Value.Item2 });
					}
				}
			}
			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(FormOrganizationProject));
			if (service is FormOrganizationProject form)
			{
				if (form.ShowDialog() == DialogResult.OK)
				{
					if (form.ProjectModel == null)
					{
						return;
					}
					if (_organizationProjects.ContainsKey(form.Id))
					{
						_organizationProjects[form.Id] = (form.ProjectModel, form.NumberEmployees);
					}
					else
					{
						_organizationProjects.Add(form.Id, (form.ProjectModel, form.NumberEmployees));
					}
					LoadData();
				}
			}
		}

		private void ButtonEdit_Click(object sender, EventArgs e)
		{
			if (dataGridView.SelectedRows.Count == 1)
			{
				var service = Program.ServiceProvider?.GetService(typeof(FormOrganizationProject));
				if (service is FormOrganizationProject form)
				{
					int id = Convert.ToInt32(dataGridView.SelectedRows[0].Cells[0].Value);
					form.Id = id;
					form.NumberEmployees = _organizationProjects[id].Item2;
					if (form.ShowDialog() == DialogResult.OK)
					{
						if (form.ProjectModel == null)
						{
							return;
						}
						_organizationProjects[form.Id] = (form.ProjectModel, form.NumberEmployees);
						LoadData();
					}
				}
			}
		}

		private void ButtonDel_Click(object sender, EventArgs e)
		{
			if (dataGridView.SelectedRows.Count == 1)
			{
				if (MessageBox.Show("Удалить запись?", "Вопрос", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
				{
					try
					{
						_organizationProjects?.Remove(Convert.ToInt32(dataGridView.SelectedRows[0].Cells[0].Value));
					}
					catch (Exception ex)
					{
						MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
					}
					LoadData();
				}
			}
		}

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

		private void ButtonSave_Click(object sender, EventArgs e)
		{
			if (string.IsNullOrEmpty(textBoxName.Text))
			{
				MessageBox.Show("Заполните название", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
				return;
			}
			if (_organizationProjects == null || _organizationProjects.Count == 0)
			{
				MessageBox.Show("Заполните компоненты", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
				return;
			}
			try
			{
				var model = new OrganizationBindingModel
				{
					Id = _id ?? 0,
					OrganizationName = textBoxName.Text,
					OrganizationProjects = _organizationProjects
				};
				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)
			{
				MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
			}
		}

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

	}
}