using System;

namespace Core
{
    public class Health : IHealthView
    {
        public int MaxHP { get; private set; }
        public int CurrentHP { get; private set; }
        public bool IsDead => CurrentHP <= 0;     // 필드 대신 계산 (상태 중복 제거)

        public event Action<int, int> HPChanged;
        public event Action Died;

        public Health(int maxHp)
        {
            MaxHP = maxHp;
            CurrentHP = maxHp;
        }

        //데미지 받기
        public void TakeDamage(int amount)
        {
            if (IsDead) return;
            CurrentHP = Math.Max(0, CurrentHP - amount);
            HPChanged?.Invoke(MaxHP, CurrentHP);
            if (IsDead) Died?.Invoke();
        }

        public void Revive()
        {
            CurrentHP = MaxHP;                    // CurrentHP가 MaxHP가 되면 IsDead도 자동 false
            HPChanged?.Invoke(MaxHP, CurrentHP);
        }
    }
}