using Chickensoft.Collections;
using System;
using Zennysoft.Ma.Adapter;

namespace Zennysoft.Game.Ma;

public class AttackComponent : IAttackComponent
{
  public IAutoProp<int> CurrentAttack => _currentAttack;

  public IAutoProp<int> MaximumAttack => _maximumAttack;

  private readonly AutoProp<int> _currentAttack;

  private readonly AutoProp<int> _maximumAttack;

  private readonly int _initialValue;

  public AttackComponent(int attackValue)
  {
    _maximumAttack = new AutoProp<int>(attackValue);
    _currentAttack = new AutoProp<int>(attackValue);
    _initialValue = attackValue;
  }

  public void Reset()
  {
    _maximumAttack.OnNext(_initialValue);
    _currentAttack.OnNext(_initialValue);
  }

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

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

  public void SetAttack(int attack)
  {
    var cappedAmount = Math.Min(attack, _maximumAttack.Value);
    _currentAttack.OnNext(cappedAmount);
  }

  public void RaiseMaximumAttack(int raiseAmount)
  {
    _maximumAttack.OnNext(raiseAmount);
    Restore(raiseAmount);
  }
}