using Godot;
using Skeleton.Utils.Helpers;
using R2 = Skeleton.Algebra.CategoryOf<Skeleton.Algebra.DimensionProviders.IDim2>.OnField<double>.FVector;

namespace Enigmos.Modules.TerminalModules.TestingModules;

public partial class R2Reader : Control
{
	private AnimatedSprite2D Direction { get; set; }
	private AnimatedSprite2D Magnitude { get; set; }
	public R2 UnderlyingVector { get; set; }
	private double TargetPhase() => Math.Atan2(UnderlyingVector[2], UnderlyingVector[1]);
	private double TargetLength() => UnderlyingVector.Magnitude;

	private int TargetPhaseFrame => 
		Mathf.FloorToInt((TargetPhase() % (2d * Math.PI) + 2d * Math.PI) % (2d * Math.PI) * 44d / (2d * Math.PI));

	private int TargetLengthFrame => 
		Mathf.FloorToInt(TargetLength().DoubleCut() * 9d);
	public override void _Process(double delta)
	{
		Magnitude.SpeedScale = (TargetLengthFrame - Magnitude.Frame) / 7f;
		var debug = new[] { TargetPhaseFrame - Direction.Frame, TargetPhaseFrame + 44 - Direction.Frame };
		Direction.SpeedScale = debug.MinBy(Math.Abs) / 25f;
	}

	public void Init()
	{
		Direction = GetNode<AnimatedSprite2D>("Direction");
		Magnitude = GetNode<AnimatedSprite2D>("Magnitude");
		Direction.Play();
		Magnitude.Play();
	}
}