using UnityEngine;
using UnityEngine.Events;

public class RaftHealth : MonoBehaviour
{
    [Header("Health")]
    [SerializeField] private int maxHealth = 100;
    [SerializeField] private int currentHealth = 100;

    [Header("Options")]
    [SerializeField] private bool resetHealthOnStart = true;

    [Header("Events")]
    public UnityEvent<int, int> onHealthChanged;
    public UnityEvent onDead;

    public int MaxHealth => maxHealth;
    public int CurrentHealth => currentHealth;
    public bool IsDead => currentHealth <= 0;

    private void Start()
    {
        if (resetHealthOnStart)
        {
            ResetHealth();
        }
    }

    public void ResetHealth()
    {
        currentHealth = maxHealth;
        currentHealth = Mathf.Clamp(currentHealth, 0, maxHealth);

        Debug.Log($"[RaftHealth] 체력 초기화: {currentHealth}/{maxHealth}");

        onHealthChanged?.Invoke(currentHealth, maxHealth);
    }

    public void TakeDamage(int damage)
    {
        if (damage <= 0)
            return;

        if (IsDead)
            return;

        currentHealth -= damage;
        currentHealth = Mathf.Clamp(currentHealth, 0, maxHealth);

        Debug.Log($"[RaftHealth] 데미지 {damage} 받음. 현재 체력: {currentHealth}/{maxHealth}");

        onHealthChanged?.Invoke(currentHealth, maxHealth);

        if (currentHealth <= 0)
        {
            Die();
        }
    }

    public void Heal(int amount)
    {
        if (amount <= 0)
            return;

        if (IsDead)
            return;

        currentHealth += amount;
        currentHealth = Mathf.Clamp(currentHealth, 0, maxHealth);

        Debug.Log($"[RaftHealth] 회복 {amount}. 현재 체력: {currentHealth}/{maxHealth}");

        onHealthChanged?.Invoke(currentHealth, maxHealth);
    }

    private void Die()
    {
        Debug.Log("[RaftHealth] 체력이 0이 되었습니다. 뗏목 실패 처리.");

        onDead?.Invoke();
    }
}