using Godot;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

public partial class Wheel : Sprite2D
{
	public float Speed;
	bool _spinning = false;
    public bool Spinning { get => _spinning; set => _spinning = value; }

    // Called when the node enters the scene tree for the first time.
    public override void _Ready()
	{
	}

    public SlotSymbol GetActiveSlotSymbol()
    {
        List<SlotSymbol> children = GetChildren()
           .OfType<SlotSymbol>() // Filter to only include Node2D or derived nodes
           .OrderBy(child => child.Position.Y) // Sort by Y value
           .ToList();

        SlotSymbol symbol = children[4];
        GD.Print("slot type: " + symbol.SlotType);
        return symbol;
    }

	public async void Spin(float extraLength)
	{
        Spinning = true;
        Speed = (float)GD.RandRange(1200f, 2000f);
        await ToSignal(GetTree().CreateTimer(2.0f + extraLength), SceneTreeTimer.SignalName.Timeout);

        Tween tween = GetTree().CreateTween();
        tween.TweenProperty(this, "Speed", 0, 1.0f);
    }

    //Export] public Godot.Collections.Array Symbols;
    [Export] public SlotSymbol[] SlotSymbols;

    public async void ReplaceCurrentOption(SlotSymbol newOption)
    {
        SlotSymbol currentOption = GetActiveSlotSymbol();
        currentOption.PeelUp();

        await ToSignal(GetTree().CreateTimer(OptionPicker.SLIDE_DELAY + OptionPicker.SLIDE_TIME), SceneTreeTimer.SignalName.Timeout);

        currentOption.SlotType = newOption.SlotType;
        currentOption.Texture = newOption.Texture;

    }

    // Called every frame. 'delta' is the elapsed time since the previous frame.
    public override void _Process(double delta)
	{
		if (Spinning == false)
			return;

		float dt = (float)delta;

        float minSpeed = 100f;
		const float SPACING = 109f;

        float originalMod = this.Position.Y % SPACING;
        if (Speed <= minSpeed) {
            Speed = minSpeed;

            if (originalMod < 2)
			{
				Spinning = false;
                Speed = 0;
			}
        }

        if (Speed <= 0)
        {
            Spinning = false;
            return;
        }

		this.Position += new Vector2(0f, Speed * dt);

        /*
        //check if we overshot the target
        if (Speed <= minSpeed && this.Position.Y % SPACING > originalMod)
		{
            _spinning = false;
            Speed = 0f;
        }
        */


        /*
		const float Y_WRAPAROUND = 464;	

		if (Position.Y > Y_WRAPAROUND)
        {
			Position -= new Vector2(0f, Y_WRAPAROUND);
        }
		*/
    }
}