namespace Server.Engines.Mahjong
{
	public struct MahjongPieceDim
	{
		public Point2D Position { get; }

		public int Width { get; }

		public int Height { get; }

		public MahjongPieceDim( Point2D position, int width, int height )
		{
			Position = position;
			Width = width;
			Height = height;
		}

		public bool IsValid()
		{
			return Position.X >= 0 && Position.Y >= 0 && Position.X + Width <= 670 && Position.Y + Height <= 670;
		}

		public bool IsOverlapping( MahjongPieceDim dim )
		{
			return Position.X < dim.Position.X + dim.Width && Position.Y < dim.Position.Y + dim.Height && Position.X + Width > dim.Position.X && Position.Y + Height > dim.Position.Y;
		}

		public int GetHandArea()
		{
			if ( Position.X + Width > 150 && Position.X < 520 && Position.Y < 35 )
				return 0;

			if ( Position.X + Width > 635 && Position.Y + Height > 150 && Position.Y < 520 )
				return 1;

			if ( Position.X + Width > 150 && Position.X < 520 && Position.Y + Height > 635 )
				return 2;

			if ( Position.X < 35 && Position.Y + Height > 150 && Position.Y < 520 )
				return 3;

			return -1;
		}
	}
}