using UnityEngine;
using System;

public class EnemyHealth : MonoBehaviour, IDamageable
{
    [Header("--- 능력치 ---")]
    [SerializeField] private float maxHealth = 50f;
    private float _currentHealth;

    public event Action<float, float> OnHealthChanged;
    public bool IsDead { get; private set; }

    private void Start()
    {
        _currentHealth = maxHealth;
        // ⭐ 시작하자마자 UI에 현재 숫자가 뜨도록 신호 발송
        OnHealthChanged?.Invoke(_currentHealth, maxHealth);
    }

    // IDamageable 인터페이스 구현
    public void TakeDamage(float amount)
    {
        if (IsDead) return;

        _currentHealth = Mathf.Max(0, _currentHealth - amount);

        // ⭐ 피격 시 로그와 함께 UI 갱신 신호 발송
        Debug.Log($"{gameObject.name} 피격! 체력: {{{_currentHealth}/{maxHealth}}}");
        OnHealthChanged?.Invoke(_currentHealth, maxHealth);

        if (_currentHealth <= 0) Die();
    }

    private void Die()
    {
        if (IsDead) return;
        IsDead = true;

        Debug.Log($"{gameObject.name} 사망!");
        Destroy(gameObject, 1.5f);
    }
}