using System;

namespace PixelHub
{
	public enum PixelWheel
	{
		None,
		Left,
		Right,
		Both
	}

	/// <summary>
	/// Specifies a single command that is to be sent to a PixelBot.
	/// </summary>
	public class PixelCommand
	{
		/// <summary>
		/// The wheel(s) that should be operated upon.
		/// </summary>
		public PixelWheel Wheel { get; set; }

		/// <summary>
		/// The duration, in milliseconds, that the left wheel should turn for.
		/// </summary>
		public int DurationLeft { get; set; }
		/// <summary>
		/// The duration, in milliseconds, that the right wheel should turn for.
		/// </summary>
		/// <value>The duration right.</value>
		public int DurationRight { get; set; }

		/// <summary>
		/// The duration, in milliseconds, that the wheels should turn for.
		/// </summary>
		/// <description>
		/// This property sets both the <see cref="DurationLeft" /> and <see cref="DurationRight" /> properties.
		/// The getter returns the maximum of the two durations.
		/// </description>
		public int Duration {
			get {
				return Math.Max(DurationLeft, DurationRight);
			}
			set {
				DurationLeft = value;
				DurationRight = value;
			}
		}

		/// <summary>
		/// Creates a new <see cref="PixelCommand" /> instance.
		/// </summary>
		/// <param name="inWheel">The wheel to turn.</param>
		/// <param name="inDuration">The duration , in milliseconds, to turn the wheels for.</param>
		public PixelCommand(PixelWheel inWheel, int inDuration)
		{
			Wheel = inWheel;
			Duration = inDuration;
		}

		/// <summary>
		/// Compiles the PixelCommand into a raw command string that cna be understood by the PixelBot.
		/// </summary>
		/// <returns>The compiled command, ready to be sent over the wire to the PixelBot.</returns>
		public string AsCompiledCommand()
		{
			return $"Move:L={DurationLeft},Right={DurationRight}";
		}

		public override string ToString()
		{
			return string.Format("PixelCommand: Targets Wheel={0} for Duration={1}ms", Wheel, Duration);
		}
	}
}