using UnityEngine;
using UnityEngine.Events;
using TMPro;

public class HealthComponent : MonoBehaviour, ISquezeDamageReceiver
{
    [SerializeField] int maxHealth = 100;
    public int currentHealth {  get; private set; }

    public UnityEvent OnHealthZero;
    public UnityEvent<int, int> OnHealthChange;

    [Header("Squeze Damage")]
    [SerializeField]
    float minThreshold = 1f;

    [SerializeField]
    float squezeDamageScalor = 1f;

    void Awake()
    {
        currentHealth = maxHealth;
    }

    public int getMaxHealth() {
        return maxHealth;
    }

    public void setMaxHealth(int amount, bool heal = false) {
        maxHealth = amount;

        if (heal)
            currentHealth = amount;
    }

    public void TakeDamage(int damage)
    {
        currentHealth -= damage;
        OnHealthChange?.Invoke(currentHealth + damage, currentHealth);

        if (currentHealth <= 0)
            OnHealthZero?.Invoke();
    }

    public void TakeSquezeDamage(float squezeDamage)
    {
        if (squezeDamage < minThreshold) return;

        TakeDamage((int) Mathf.Round(squezeDamage * squezeDamageScalor));
    }

    public void SimpleKill()
    {
        Destroy(gameObject);
    }
}