using System.Text;


namespace WinFormsLibrary
{
	public partial class ListBoxValues : UserControl
	{
		private string _layout;
		private string _endSymbol;
		private string _startSymbol;
		public ListBoxValues()
		{
			InitializeComponent();
		}
		public void SetLayout(string layout, string startSymbol, string endSymbol)
		{
			if (layout == null || startSymbol == null || endSymbol == null)
			{
				return;
			}
			_layout = layout;
			_endSymbol = endSymbol;
			_startSymbol = startSymbol;
		}
		public int SelectedIndex
		{
			get
			{
				if (listBoxObjects.SelectedIndex == -1)
				{
					return -1;
				}
				return listBoxObjects.SelectedIndex;
			}
			set
			{
				if (listBoxObjects.SelectedItems.Count != 0)
				{
					listBoxObjects.SelectedIndex = value;
				}
			}
		}
		public T GetObjectFromStr<T>() where T : class, new()
		{
			string selectedString = "";
			if (listBoxObjects.SelectedIndex != -1)
			{
				selectedString = listBoxObjects.SelectedItem.ToString();
			}
			T curObject = new T();
			foreach (var pr in typeof(T).GetProperties())
			{
				if (!pr.CanWrite)
				{
					continue;
				}
				int borderOne = selectedString.IndexOf(_startSymbol);
				StringBuilder sb = new StringBuilder(selectedString);
				selectedString = sb.ToString();
				int borderTwo = selectedString.IndexOf(_endSymbol);
				if (borderOne == -1 || borderTwo == -1) break;
				string propertyValue = selectedString.Substring(borderOne + 1, borderTwo - borderOne-1);
				selectedString = selectedString.Substring(borderTwo + 1);
				pr.SetValue(curObject, Convert.ChangeType(propertyValue, pr.PropertyType));
			}
			return curObject;
		}

		public void AddInListBox<T>(List<T> values)
		{
			if (_layout == null || _startSymbol == null || _endSymbol == null)
			{
				MessageBox.Show("заполните информацию о макетной строке");
				return;
			}
			if (!_layout.Contains(_startSymbol) || !_layout.Contains(_endSymbol))
			{
				MessageBox.Show("Макетная строка не содержит нужные элементы");
				return;
			}
			foreach (var item in values)
			{
				string str = _layout;
				foreach (var prop in item.GetType().GetProperties())
				{
					string str1 = $"{_startSymbol}" + $"{prop.Name}" + $"{_endSymbol}";
					str = str.Replace(str1, $"{_startSymbol}" + prop.GetValue(item).ToString() + $"{_endSymbol}");
				}
				listBoxObjects.Items.Add(str);
			}
		}

	}
}