using Chickensoft.Collections;
using Godot;

namespace Zennysoft.Game.Implementation.Components;

public class DefenseComponent
{
  public IAutoProp<int> CurrentDefense => _currentDefense;

  public IAutoProp<int> MaximumDefense => _maximumDefense;

  public IAutoProp<int> BonusDefense => _bonusDefense;

  private readonly AutoProp<int> _currentDefense;

  private readonly AutoProp<int> _maximumDefense;

  private readonly AutoProp<int> _bonusDefense;

  public int TotalDefense => CurrentDefense.Value + BonusDefense.Value;

  public DefenseComponent(int defenseValue)
  {
    _maximumDefense = new AutoProp<int>(defenseValue);
    _currentDefense = new AutoProp<int>(defenseValue);
    _bonusDefense = new AutoProp<int>(0);
  }

  public void Restore(int restoreAmount)
  {
    var cappedAmount = Math.Min(restoreAmount + _currentDefense.Value, _maximumDefense.Value);
    _currentDefense.OnNext(cappedAmount);
  }

  public void Reduce(int reduceAmount)
  {
    var cappedAmount = Math.Max(_currentDefense.Value - reduceAmount, 0);
    _currentDefense.OnNext(cappedAmount);
  }

  public void SetDefense(int attack)
  {
    var cappedAmount = Math.Min(attack, _maximumDefense.Value);
    _currentDefense.OnNext(cappedAmount);
  }

  public void RaiseMaximumDefense(int raiseAmount)
  {
    _maximumDefense.OnNext(raiseAmount);
    Restore(raiseAmount);
  }

  public void RaiseBonusDefense(int raiseAmount)
  {
    _bonusDefense.OnNext(_bonusDefense.Value + raiseAmount);
  }

  public void ResetBonusDefense()
  {
    _bonusDefense.OnNext(0);
  }
}