using System;

namespace OpenMacroBoard.SDK {
  /// <summary>
  /// An event argument that is used to communicate key state changes.
  /// </summary>
  public class KeyEventArgs : EventArgs {
    /// <summary>
    /// Initializes a new instance of the <see cref="KeyEventArgs"/> class.
    /// </summary>
    /// <param name="key">The index of the key that was pressed or released.</param>
    /// <param name="isDown">A flag that determines if the key was pressed or released.</param>
    public KeyEventArgs(Int32 key, Boolean isDown) {
      this.Key = key;
      this.IsDown = isDown;
    }

    /// <summary>
    /// The index of the key that was pressed or released.
    /// </summary>
    public Int32 Key {
      get;
    }

    /// <summary>
    /// A flag that determines if the key was pressed or released.
    /// </summary>
    public Boolean IsDown {
      get;
    }
  }

  public class KeyPressEvent : EventArgs {
    public KeyPressEvent(Int32 key) => this.Key = key;

    public Int32 Key {
      get;
    }

    public override String ToString() => "Key: " + this.Key;
  }

  public class TouchTipEvent : EventArgs {
    public TouchTipEvent(UInt16 x, UInt16 y) {
      this.XCoord = x;
      this.YCoord = y;
    }

    public UInt16 XCoord {
      get;
    }
    public UInt16 YCoord {
      get;
    }
    public override String ToString() => "X-Coord: " + this.XCoord + ", Y-Coord: " + this.YCoord;
  }

  public class TouchFlipEvent : EventArgs {
    public TouchFlipEvent(UInt16 fx, UInt16 fy, UInt16 tx, UInt16 ty) {
      this.FromXCoord = fx;
      this.FromYCoord = fy;
      this.ToXCoord = tx;
      this.ToYCoord = ty;
    }

    public UInt16 FromXCoord {
      get;
    }
    public UInt16 FromYCoord {
      get;
    }
    public UInt16 ToXCoord {
      get;
    }
    public UInt16 ToYCoord {
      get;
    }

    public override String ToString() => "From X-Coord: " + this.FromXCoord + ", Y-Coord: " + this.FromYCoord+ ", To X-Coord: " + this.ToXCoord + ", Y-Coord: " + this.ToYCoord;
  }

  public class KnobPressEvent : EventArgs {
    public KnobPressEvent(Int32 key) => this.Encoder = key;

    public Int32 Encoder {
      get;
    }

    public override String ToString() => "Encoder: " + this.Encoder;
  }

  public class KnobTurnEvent : EventArgs {
    public KnobTurnEvent(Int32 key, SByte steps) {
      this.Encoder = key;
      this.Steps = steps;
    }

    public Int32 Encoder {
      get;
    }
    public SByte Steps {
      get;
    }

    public override String ToString() => "Encoder: " + this.Encoder + ", Steps: " + this.Steps;
  }
}