using System;
using System.Drawing;
using System.Windows.Forms;

namespace Server.Helper.HexEditor;

public class EditView : IKeyMouseEventHandler
{
	private HexViewHandler _hexView;

	private StringViewHandler _stringView;

	private HexEditor _editor;

	public EditView(HexEditor editor)
	{
		_editor = editor;
		_hexView = new HexViewHandler(editor);
		_stringView = new StringViewHandler(editor);
	}

	public void OnKeyPress(KeyPressEventArgs e)
	{
		if (InHexView(_editor.CaretPosX))
		{
			_hexView.OnKeyPress(e);
		}
		else
		{
			_stringView.OnKeyPress(e);
		}
	}

	public void OnKeyDown(KeyEventArgs e)
	{
		if (InHexView(_editor.CaretPosX))
		{
			_hexView.OnKeyDown(e);
		}
		else
		{
			_stringView.OnKeyDown(e);
		}
	}

	public void OnKeyUp(KeyEventArgs e)
	{
	}

	public void OnMouseDown(MouseEventArgs e)
	{
		if (e.Button == MouseButtons.Left)
		{
			if (InHexView(e.X))
			{
				_hexView.OnMouseDown(e.X, e.Y);
			}
			else
			{
				_stringView.OnMouseDown(e.X, e.Y);
			}
		}
	}

	public void OnMouseDragged(MouseEventArgs e)
	{
		if (e.Button == MouseButtons.Left)
		{
			if (InHexView(e.X))
			{
				_hexView.OnMouseDragged(e.X, e.Y);
			}
			else
			{
				_stringView.OnMouseDragged(e.X, e.Y);
			}
		}
	}

	public void OnMouseUp(MouseEventArgs e)
	{
	}

	public void OnMouseDoubleClick(MouseEventArgs e)
	{
		if (e.Button == MouseButtons.Left)
		{
			if (InHexView(e.X))
			{
				_hexView.OnMouseDoubleClick();
			}
			else
			{
				_stringView.OnMouseDoubleClick();
			}
		}
	}

	public void OnGotFocus(EventArgs e)
	{
		if (InHexView(_editor.CaretPosX))
		{
			_hexView.Focus();
		}
		else
		{
			_stringView.Focus();
		}
	}

	public void SetLowerCase()
	{
		_hexView.SetLowerCase();
	}

	public void SetUpperCase()
	{
		_hexView.SetUpperCase();
	}

	public void Update(int startPositionX, Rectangle area)
	{
		_hexView.Update(startPositionX, area);
		_stringView.Update(_hexView.MaxWidth, area);
	}

	public void Paint(Graphics g, int startIndex, int endIndex)
	{
		for (int i = 0; i + startIndex < endIndex; i++)
		{
			_hexView.Paint(g, i, startIndex);
			_stringView.Paint(g, i, startIndex);
		}
	}

	private bool InHexView(int x)
	{
		return x < _hexView.MaxWidth + _editor.EntityMargin - 2;
	}
}