//
// HexView.cs: A hexadecimal viewer
//
// TODO:
// - Support searching and highlighting of the search result
// - Bug showing the last line
// 

namespace Terminal.Gui;

/// <summary>Defines the event arguments for <see cref="HexView.PositionChanged"/> event.</summary>
public class HexViewEventArgs : EventArgs
{
    /// <summary>Initializes a new instance of <see cref="HexViewEventArgs"/></summary>
    /// <param name="pos">The character position.</param>
    /// <param name="cursor">The cursor position.</param>
    /// <param name="lineLength">Line bytes length.</param>
    public HexViewEventArgs (long pos, Point cursor, int lineLength)
    {
        Position = pos;
        CursorPosition = cursor;
        BytesPerLine = lineLength;
    }

    /// <summary>The bytes length per line.</summary>
    public int BytesPerLine { get; private set; }

    /// <summary>Gets the current cursor position starting at one for both, line and column.</summary>
    public Point CursorPosition { get; private set; }

    /// <summary>Gets the current character position starting at one, related to the <see cref="Stream"/>.</summary>
    public long Position { get; private set; }
}

/// <summary>Defines the event arguments for <see cref="HexView.Edited"/> event.</summary>
public class HexViewEditEventArgs : EventArgs
{
    /// <summary>Creates a new instance of the <see cref="HexViewEditEventArgs"/> class.</summary>
    /// <param name="position"></param>
    /// <param name="newValue"></param>
    public HexViewEditEventArgs (long position, byte newValue)
    {
        Position = position;
        NewValue = newValue;
    }

    /// <summary>Gets the new value for that <see cref="Position"/>.</summary>
    public byte NewValue { get; }

    /// <summary>Gets the location of the edit.</summary>
    public long Position { get; }
}