using UnityEngine;
using UnityEngine.Events;

/// <summary>
/// Simple player health component. Attach to the Player GameObject.
/// </summary>
public class PlayerHealth : MonoBehaviour
{
    [Header("Health")]
    public float maxHealth = 100f;

    [Header("Events")]
    public UnityEvent onDeath;
    public UnityEvent<float> onHealthChanged; // passes current health

    public float CurrentHealth { get; private set; }
    public bool IsDead { get; private set; }

    void Awake()
    {
        CurrentHealth = maxHealth;
    }

    public void TakeDamage(float damage)
    {
        if (IsDead) return;

        CurrentHealth = Mathf.Max(0f, CurrentHealth - damage);
        onHealthChanged?.Invoke(CurrentHealth);

        if (CurrentHealth <= 0f)
            Die();
    }

    public void Heal(float amount)
    {
        if (IsDead) return;

        CurrentHealth = Mathf.Min(maxHealth, CurrentHealth + amount);
        onHealthChanged?.Invoke(CurrentHealth);
    }

    void Die()
    {
        IsDead = true;
        onDeath?.Invoke();
        Debug.Log("[PlayerHealth] Player died.");
    }
}