using Godot;


using Rokojori.Extensions;
namespace Rokojori;

[Tool][GlobalClass]
public partial class NumberValue : Node
{
  protected double _value = 0;
  protected bool _frozen;

  [Export]
  public double value 
  {
    get => _value;
    set { _OnValueChange( value ); }
  }

  public override string ToString()
  {
    return GetType().Name + " { value = " + _value._DDD() + ", frozen = " + _frozen + " }";
  }

  void _OnValueChange( double v )
  {
    if ( _frozen )
    {
      return;
    }

    var setterValue = Mathf.Clamp( v, minValue, maxValue );

    if ( _value == setterValue )
    {
      return;
    }

    var before = _value;
    _value = setterValue;

    var belowLowTreshold = before < lowTreshold;
    var aboveHighTreshold = before > highTreshold;

    onChange?.Trigger();

    if ( ! belowLowTreshold && _value < lowTreshold )
    { 
      onBelowLowTreshold?.Trigger();
    }

    if ( ! aboveHighTreshold && _value > highTreshold )
    {
      onAboveHighTreshold?.Trigger();
    }

    if ( _value == minValue )
    {
      onMin?.Trigger();

      if ( autoFreezeOnMin )
      {
        _frozen = true;
      }
    }

    if ( _value == maxValue )
    {
      onMax?.Trigger();
    }    
    
  }

  public void FreezeValue()
  {
    this._frozen = true;
  }

  public void UnfreezeValue()
  {
    this._frozen = false;
  }

  public void ResetValue()
  {
    this._frozen = false;
    this._value = resetValue;
  }

  [Export]
  public double resetValue = 100;

  [Export]
  public double minValue = 0;

  [Export]
  public double maxValue = 125;

  [Export]
  public double lowTreshold = 25;

  [Export]
  public double highTreshold = 75;

  [Export]
  public bool autoFreezeOnMin = true;


  [Export]
  public Action onChange;

  [Export]
  public Action onIncrement;

   [Export]
  public Action onDecrement;

  [Export]
  public Action onMin;

  [Export]
  public Action onMax;

  [Export]
  public Action onBelowLowTreshold;

  [Export]
  public Action onAboveHighTreshold;



}