using DesktopTools.Controls;
using System;
using System.Drawing;
using System.Windows.Forms;

namespace DesktopTools.BaseControls
{
	public partial class BaseControlGuid : AbstractBaseControl
	{
		private AbstractControlViewEntityList _control;

		public BaseControlGuid(string propertyName, bool mustFilling, bool readOnly, AbstractControlViewEntityList controlType) : base(propertyName, mustFilling, readOnly)
		{
			InitializeComponent();

			_control = controlType;

			panelControl.Controls.Add(textBox);

			if (!_mustFilling)
			{
				buttonClear.Click += (object sender, EventArgs e) =>
				{
					textBox.Text = string.Empty;
					textBox.Tag = null;
					CallOnValueChangeEvent();
				};
				panelControl.Controls.Add(buttonClear);
			}

			buttonSelect.Click += (object sender, EventArgs e) =>
			{
				var form = new Form
				{
					Height = controlType.Height,
					Width = controlType.Width,
					Text = $"{controlType.Title}. Выбор",
					StartPosition = FormStartPosition.CenterParent,
					ControlBox = false
				};
				var clone = controlType.Clone();
				form.Controls.Add(clone);
				clone.Dock = DockStyle.Fill;
				clone.FormForSelected = form;
				clone.Open();
				if (form.ShowDialog() == DialogResult.OK)
				{
					textBox.Tag = clone.SelectedId;
					textBox.Text = clone.SelectedText;
					CallOnValueChangeEvent();
				}
			};
			panelControl.Controls.Add(buttonSelect);
		}

		protected override void SetDefaultValue() => _originalValue = null;

		protected override void SetValueToControl(object value)
		{
			if (value != null)
			{
				var id = new Guid(value.ToString());
				textBox.Tag = id;
				textBox.Text = _control?.GetTitleFromId(id);
			}
			else if (!_mustFilling)
			{
				textBox.Tag = null;
			}
		}

		public override void DropValue()
		{
			if (_originalValue != null)
			{
				var id = new Guid(_originalValue.ToString());
				textBox.Tag = id;
				textBox.Text = _control?.GetTitleFromId(id);
			}
			else if (!_mustFilling)
			{
				textBox.Tag = null;
				textBox.Text = string.Empty;
			}
		}

		public override bool CheckValue()
		{
			if (_mustFilling && textBox.Tag == null)
			{
				BackColor = Color.OrangeRed;
				return false;
			}
			return true;
		}

		protected override object GetValueFromControl()
		{
			if (_mustFilling && textBox.Tag == null)
			{
				throw new ArgumentNullException($"Поле свойства '{labelTitle.Text}' должно быть заполнено");
			}
			return textBox.Tag == null ? null : new Guid(textBox.Tag.ToString());
		}
	}
}