using Godot;

public partial class WaveProgress : TextureProgressBar
{
	private TextureRect head;
	private Tween tween;
	private PackedScene flagScene = ResourceLoader.Load<PackedScene>("uid://drobbh5x1v7mi");
	[Export] private double progressTime = 2.0f;
	[Signal] public delegate void HugeWaveInitiatedEventHandler(int waveNumber);

	public override void _Ready()
	{
		head = GetNode<TextureRect>("Head");
	}
	public void OnWaveChanged(int to)
	{
		if (Visible == false) Visible = true;
		if (tween != null) tween.Kill();
		tween = CreateTween().SetParallel(true).SetTrans(Tween.TransitionType.Cubic).SetEase(Tween.EaseType.Out);
		tween.TweenProperty(this, "value", to + 1, progressTime);
		tween.TweenProperty(head, "anchor_right", 1.0 - (float)(to + 1.0f) / MaxValue, progressTime);
		tween.TweenProperty(head, "anchor_left", 1.0 - (float)(to + 1.0f) / MaxValue, progressTime);
	}
	public void SetLevelData(AdventureLevelResource resource)
	{
		MaxValue = resource.waves.Count;
		for (int i = 0; i < resource.waves.Count; i++)
		{
			if (resource.waves[i].isHugeWave)
			{
				var flag = flagScene.Instantiate<WaveFlag>();
				AddChild(flag);
				flag.AnchorTop = 0.5f;
				flag.AnchorBottom = 0.5f;
				flag.AnchorLeft = 1.0f - (float)(i + 1) / resource.waves.Count;
				flag.AnchorRight = 1.0f - (float)(i + 1) / resource.waves.Count;
				flag.anim_time = progressTime;
				flag.waveIndex = i;
				HugeWaveInitiated += flag.HugeWaveApproached;
			}
		}
	}
	public void OnHugeWaveApproached(int what)
	{
		EmitSignal(SignalName.HugeWaveInitiated, what);
	}
}