using Godot;
using System.Collections.Generic;

namespace Rokojori
{  
  [Tool]
  [GlobalClass]
  public partial class FlareVFX:Node3D
  {
    [Export]
    public FlareVFXPreset preset;

    [Export]
    public Node3D container;

    [Export]
    public bool debug = false;
    public Node3D GetContainer()
    {
      return container == null ? this : container;
    }

    List<FlareVFXLayer> _layers = new List<FlareVFXLayer>();

    [ExportToolButton( "Update Flare" )]
    public Callable updateFlareButton => Callable.From( ()=> UpdateFlare() );
    void UpdateFlare()
    {
       if ( debug )
      {
        numLayers = _layers.Count;
      }

      _layers.ForEach( l => l.Update( this ) );
    } 

    [ExportToolButton( "Create Flare" )]
    public Callable createFlareButton => Callable.From( ()=> CreateFlare() );
    void CreateFlare()
    {
      GetContainer().DestroyChildren();
      _layers = [];

      preset.flareLayers.ForEach(
        ( l )=>
        {
          if ( l == null )
          {
            return;
          }

          _layers.Add( l.Create( this ) );
        }
      );

      UpdateFlare();
    }

    #if TOOLS
    [Export]
    public bool editMode = false;

    [Export]
    public int numLayers = 0;

    public override void _Process( double delta )
    {
      // this.LogInfo( "Hello" );
      if ( editMode )
      {
        UpdateFlare();
      }

     

    }
    #endif
  }
}