using Godot;
using System.Collections.Generic;
 
namespace Rokojori
{ 
  [Tool]
  [GlobalClass] 
  public partial class UIRegion : Control, UIStylePropertyContainer
  {   
    [Export]
    public UIStyle parentStyle;

    [ExportGroup( "Layout" )]
    [Export]
    public UILayout layout;        

    [Export]
    public UINumber horizontalAlignment;
    [Export]
    public UINumber verticalAlignment;
    [Export]
    public UINumber verticalPlacement;

    [Export]
    public UINumber elementSpacing;
    [Export]
    public UINumber lineSpacing;

    
    [ExportGroup( "Size & Margins" )]
    [Export]
    public UINumber width;
    [Export]
    public UINumber height;


    [Export] 
    public UINumber margin;

    [Export] 
    public UINumber marginLeft;
    [Export] 
    public UINumber marginTop;
    [Export] 
    public UINumber marginRight;
    [Export] 
    public UINumber marginBottom;


    [ExportGroup( "Position" )]
    [Export]
    public UIPosition position;
    [Export]
    public UILineWrap lineWrap;
    [Export]
    public UINumber left;
    [Export]
    public UINumber top;
    [Export]
    public UINumber right;
    [Export]
    public UINumber bottom;

    [ExportGroup( "Font" )]
    [Export]
    public Font font;
    [Export]
    public UINumber fontSize;
    [Export]
    public UIColor fontColor;

    [Export]
    public UINumber outlineSize;
    [Export]
    public UIColor outlineColor;

    [Export]
    public UINumber shadowSize;
    [Export]
    public UIColor shadowColor;

    [Export]
    public UINumber shadowOffsetX;
    [Export]
    public UINumber shadowOffsetY;

    public List<ActiveStyleTransition<UIColor,ColorPropertyName>> GetActiveShaderUIColorTransitions()
    {
      return null;
    }
  
    public List<ActiveStyleTransition<UINumber,FloatPropertyName>> GetActiveShaderUINumberTransitions()
    {
      return null;
    }

    
    [ExportGroup("Transitions")]
    [Export]
    public TransitionSettingsAll transitionSettings;
    public TransitionSettingsAll GetTransitionSettingsAll()
    {
      return transitionSettings;
    }

    [Export]
    public UINumberTransition[] numberTransitions;
    public UINumberTransition[] GetNumberTransitions()
    {
      return numberTransitions;
    }
    
    public List<ActiveStyleTransition<UINumber,UIStyleNumberProperty>> activeNumberTransitions = new List<ActiveStyleTransition<UINumber,UIStyleNumberProperty>>();
    public List<ActiveStyleTransition<UINumber,UIStyleNumberProperty>> GetActiveUINumberTransitions()
    {
      return activeNumberTransitions;
    }

    [Export]
    public UIColorTransition[] colorTransitions;
    public UIColorTransition[] GetColorTransitions()
    {
      return colorTransitions;
    }
    
    public List<ActiveStyleTransition<UIColor,UIStyleColorProperty>> activeColorTransitions = new List<ActiveStyleTransition<UIColor,UIStyleColorProperty>>();
    public List<ActiveStyleTransition<UIColor,UIStyleColorProperty>> GetActiveUIColorTransitions()
    {
      return activeColorTransitions;
    }

    public UIStyle GetUIStyleParent()
    {
      return parentStyle;
    }

    public UIPosition GetUIPosition()
    {
      return position;
    }

    public UILineWrap GetUILineWrap()
    {
      return lineWrap;
    }

    public UILayout GetUILayout()
    {
      return layout;
    }

    public ShaderUIColor[] GetShaderUIColors()
    {
      return null;
    }

    public ShaderUINumber[] GetShaderUINumbers()
    {
      return null;
    }
    
    public UINumber GetUIStyleNumberProperty( UIStyleNumberProperty property )
    {
      switch ( property )
      {
        case UIStyleNumberProperty.Left:   return left;
        case UIStyleNumberProperty.Right:  return right;
        case UIStyleNumberProperty.Top:    return top;
        case UIStyleNumberProperty.Bottom: return bottom;

        case UIStyleNumberProperty.Width:  return width;
        case UIStyleNumberProperty.Height: return height;
        
        case UIStyleNumberProperty.HorizontalAlignment: return horizontalAlignment;
        case UIStyleNumberProperty.VerticalAlignment: return verticalAlignment;
        case UIStyleNumberProperty.VerticalPlacement: return verticalPlacement;
        case UIStyleNumberProperty.ElementSpacing: return elementSpacing;
        case UIStyleNumberProperty.LineSpacing:    return lineSpacing;

        case UIStyleNumberProperty.Margin:       return margin;

        case UIStyleNumberProperty.MarginLeft:   return marginLeft;
        case UIStyleNumberProperty.MarginRight:  return marginRight;
        case UIStyleNumberProperty.MarginTop:    return marginTop;
        case UIStyleNumberProperty.MarginBottom: return marginBottom;

        case UIStyleNumberProperty.FontSize: return fontSize;
        case UIStyleNumberProperty.FontOutlineSize: return outlineSize;
        case UIStyleNumberProperty.FontShadowSize: return shadowSize;
        case UIStyleNumberProperty.FontShadowOffsetX: return shadowOffsetX;
        case UIStyleNumberProperty.FontShadowOffsetY: return shadowOffsetY;
        
      }

      return null;
    }

    public UIColor GetUIStyleColorProperty( UIStyleColorProperty property )
    {
      switch ( property )
      {
        case UIStyleColorProperty.FontColor:         return fontColor;
        case UIStyleColorProperty.FontOutlineColor:  return outlineColor;
        case UIStyleColorProperty.FontShadowColor:   return shadowColor;
      } 

      return null;
    }

    public void Layout()
    {
      var layout = UIStyle.Layout( this );

      switch ( layout )
      {
        case UILayout.___: 
        case UILayout.Flow_Left_Top: 
        {
          UIFlowLayout.Apply( this ); 
        }
        break;
      }
    }

    public Vector2 contentSize = Vector2.Zero;
    public Vector2 contentOffset = Vector2.Zero;

   
  }
}