using System.Threading.Tasks;
using Babushka.scripts.CSharp.Common.SceneManagement;
using Godot;

namespace Babushka.scripts.CSharp.Common;

public partial class SceneTransition : Node
{
    [Export] private PackedScene _sceneToLoad;
    [Export] private string[] _sceneNamesToLoad;
    [Export] private int  _sceneIndex;
    [Export] private Node? _sceneInstanceParent;
    [Export] private bool _unloadSelf = true;
    
    // todo: remove and replace with indexed system
    public void LoadScene()
    {
        Node sceneInstance = _sceneToLoad.Instantiate();
        if(_sceneInstanceParent != null)
            _sceneInstanceParent.AddChild(sceneInstance);
        else
        {
            GetTree().Root.AddChild(sceneInstance); 
        }

        if (_unloadSelf)
        {
            QueueFree();
        }
    }

    public void LoadSceneAtIndex(int index)
    {
        string sceneName = _sceneNamesToLoad[index];
        SceneTransitionThreaded.Instance.ChangeSceneToFileThreaded(sceneName);
        UnloadAfterDelay();
    }
    
    private async void UnloadAfterDelay()
    {
        await ToSignal(GetTree().CreateTimer(1.0f), "timeout"); // 1.0f seconds
        if (_unloadSelf)
        {
            QueueFree();
        }
    }

    public void Quit()
    {
        GetTree().Quit();
    }

}