using Godot;
using Newlon.Components.Level;

namespace Newlon.Components.GUI;

public partial class FastForwardButton : Button
{
    [Export] private Texture2D firstSpeed;
    [Export] private Texture2D secondSpeed;
    [Export] private Texture2D thirdSpeed;

    [Export] private AnimationPlayer flashAnimator;

    private int speed = 1;

    public override void _Ready()
    {
        RuntimeLevelData.Instance.OnLevelStateChanged += OnLevelStateChanged;
    }

    private void OnLevelStateChanged(RuntimeLevelData.LevelStates state)
    {
        if (state == RuntimeLevelData.LevelStates.Game) return;

        speed = 1;
        Update();
    }

    public void OnPressed()
    {
        if (RuntimeLevelData.Instance.GetLevelState() != RuntimeLevelData.LevelStates.Game) return;

        speed = Mathf.Wrap(speed + 1, 1, 4);

        flashAnimator.Play("flash");

        Update();
    }

    private void Update()
    {
        switch (speed)
        {
            case 1:
                Icon = firstSpeed;
                break;
            case 2:
                Icon = secondSpeed;
                break;
            case 3:
                Icon = thirdSpeed;
                break;
        }

        Engine.TimeScale = speed;
        
    }
}