using Godot;
using Rokojori;
using System.Collections.Generic;
using System.Linq;

namespace Rokojori;

[Tool]
[GlobalClass]
public partial class UINumberAppSettingHandler:UIAppSettingHandler
{ 
  [Export]
  public UIValueSlider slider;

  public override void _Ready()
  {
    Initialize();
  }

  public override void FocusHandler()
  {
    slider.CallDeferred( slider.GrabFocus );
  }



  public override void LoadSetting()
  {
    var app = Unique<App>.Get();
    var value = app.GetSetting( appSetting );
    var normalized = slider.mode.FromSerializedToNormalized( value );
    slider.SetSliderMainValue( normalized );
  
    this.LogInfo( "Set setting", appSetting.title.currentValue, value, normalized );
  }

  public void Initialize()
  {
    UIValueSliderMode mode = null;

    if ( appSetting is ResolutionScalingSetting rss )
    {
      var resFloatMode = new UIResolutionScaleMode();
      resFloatMode.CopyFrom( appSetting as NumberAppSetting );
      resFloatMode.userScaleToResolutionScale = rss.userScaleToResolutionScale;
      mode = resFloatMode;
    }
    else
    {
      mode = UIFloatValueMode.From( appSetting as NumberAppSetting );
    }

    slider.mode = mode;
    
    slider._onSliderChange.AddAction(
      ( v2 )=>
      {
        if ( appSetting is ResolutionScalingSetting )
        {
          var resFloatMode = slider.mode as UIResolutionScaleMode;
          resFloatMode.windowSize = GetWindow().Size;
        }

        var app = Unique<App>.Get();        
        app.SetSetting( appSetting.id, slider.mode.GetSerializedValue( slider.mainValue ) );
        appSetting.ApplyValue( app ); 
      }
    );
  }
}