using DesktopTools.BaseControls;
using ModuleTools.Attributes;
using ModuleTools.BindingModels;
using ModuleTools.BusinessLogics;
using ModuleTools.Enums;
using ModuleTools.Extensions;
using ModuleTools.ViewModels;
using System;
using System.Linq;
using System.Reflection;
using System.Windows.Forms;

namespace DesktopTools.Controls
{
	public partial class GenericControlEntityElement<G, S, L, E, BL> : AbstractControlViewEntityElement
		where G : GetBindingModel, new()
		where S : SetBindingModel, new()
		where L : ListViewModel<E>
		where E : ElementViewModel
		where BL : GenericBusinessLogic<G, S, L, E>
	{
		/// <summary>
		/// Объект бизнес-логики для получения данных
		/// </summary>
		private readonly BL _businessLogic;

		private event Action<int> SetTitleWidth;

		private event Action<object> SetValues;

		private event Action DropValues;

		private event Func<bool> CheckValues;

		private event Action<object> GetValues;

		private E _element = null;
		private E Element { get { return _element; } set { _element = value; SetValues?.Invoke(_element); _haveChages = false; } }

		public GenericControlEntityElement()
		{
			InitializeComponent();
			InitEvents();
			_businessLogic = DependencyManager.Instance.Resolve<BL>();
		}

		public override void Open(Guid? id)
		{
			if (panelContainer.Controls.Count == 0)
			{
				Configurate();
			}
			Element = _businessLogic.GetElement(new G { Id = id });
		}

		private void InitEvents()
		{
			toolStripButtonSave.Click += (object sender, EventArgs e) => { Save(); };
			toolStripButtonReload.Click += (object sender, EventArgs e) => { DropValues?.Invoke(); };
			toolStripButtonClose.Click += (object sender, EventArgs e) => { Close(); };
		}

		private void Configurate()
		{
			int positionY = 5;
			int positionX = 5;
			int interval = 15;

			int titleWidth = 0;

			foreach (var property in typeof(E).GetProperties())
			{
				var attribute = property.GetCustomAttribute<ViewModelOnElementPropertyAttribute>();
				if (attribute != null)
				{
					AbstractBaseControl control = null;
					switch (attribute.ControlType)
					{
						case ControlType.ControlString:
							control = new BaseControlString(property.Name, attribute.MustHaveValue, attribute.ReadOnly, attribute.MaxLength);
							break;
						case ControlType.ControlText:
							control = new BaseControlText(property.Name, attribute.MustHaveValue, attribute.ReadOnly, attribute.MaxLength, attribute.Height);
							break;
						case ControlType.ControlInt:
							control = new BaseControlInt(property.Name, attribute.MustHaveValue, attribute.ReadOnly, attribute.MinValue, attribute.MaxValue);
							break;
						case ControlType.ControlDecimal:
							control = new BaseControlDecimal(property.Name, attribute.MustHaveValue, attribute.ReadOnly, attribute.MinValue,
								attribute.MaxValue, attribute.DecimalPlaces);
							break;
						case ControlType.ControlBool:
							control = new BaseControlBool(property.Name, attribute.MustHaveValue, attribute.ReadOnly);
							break;
						case ControlType.ControlDateTime:
							control = new BaseControlDateTime(property.Name, attribute.MustHaveValue, attribute.ReadOnly, attribute.MinDate, 
								attribute.MaxDate, attribute.CustomDateFormat);
							break;
						case ControlType.ControlImage:
							control = new BaseControlImage(property.Name, attribute.MustHaveValue, attribute.ReadOnly, attribute.Width, attribute.Height);
							break;
						case ControlType.ControlEnum:
							control = new BaseControlEnum(property.Name, attribute.MustHaveValue, attribute.ReadOnly, property.PropertyType);
							break;
						case ControlType.ControlGuid:
							if (attribute.ControlTypeObject.IsNotEmpty())
							{
								control = new BaseControlGuid(property.Name, attribute.MustHaveValue, attribute.ReadOnly,
									DependencyManager.Instance.Resolve(Type.GetType(attribute.ControlTypeObject)) as AbstractControlViewEntityList);
							}
							break;
					}
					if (control == null)
					{
						continue;
					}

					var widthTitle = control.SetTitle(attribute.DisplayName);
					if (widthTitle > titleWidth)
					{
						titleWidth = widthTitle;
					}

					control.OnValueChangeEvent += ValueChange;
					SetValues += control.SetValue;
					DropValues += control.DropValue;
					CheckValues += control.CheckValue;
					SetTitleWidth += control.SetTitleWidth;
					GetValues += control.GetValue;

					control.Location = new System.Drawing.Point(positionX, positionY);
					control.Width = Width - positionX * 2;
					control.Anchor = AnchorStyles.Right | AnchorStyles.Top | AnchorStyles.Left;
					positionY += control.Height + interval;

					panelContainer.Controls.Add(control);
				}
			}

			SetTitleWidth(titleWidth);
		}

		protected override bool Save()
		{
			if (CheckValues.GetInvocationList().Select(x => (bool)x.DynamicInvoke()).ToList().Any(x => !x))
			{
				return false;
			}
			var model = Element == null ? new S() : Mapper.MapToClass<E, S>(Element, true);
			GetValues(model);

			if (model != null)
			{
				if (Element == null)
				{
					Element = _businessLogic.Create(model);
				}
				else
				{
					Element = _businessLogic.Update(model);
				}

				if (Element == null)
				{
					throw new Exception($"Ошибка при сохранении: {_businessLogic.Errors.LastOrDefault().Message}");
				}

				_haveChages = false;
				MessageBox.Show("Сохранение прошло успешно", "", MessageBoxButtons.OK, MessageBoxIcon.Information);
				return true;
			}

			return false;
		}
	}
}