using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

public class HealthBar : MonoBehaviour{

    public int maxHp;
    [HideInInspector] public float hp;
    public Image healthBar;
    public Image timer;
    [HideInInspector] public float time;
    GameController gameController;

    // Start is called before the first frame update
    void Start(){
        gameController = FindObjectOfType<GameController>();
        hp = maxHp;
    }

    // Update is called once per frame
    void Update(){
        if (gameController.ready){
            timer.transform.localScale = new Vector2(time, timer.transform.localScale.y);
            time = Mathf.Clamp(time + Time.deltaTime / 30, 0f, 1f);
        }else{
            timer.transform.localScale = new Vector2(0, timer.transform.localScale.y);
        }
    }

    public void TakeDamage(float damage){
        hp -= damage;
        if(hp > 0 && hp > damage){
            healthBar.transform.localScale = new Vector2(hp / maxHp, healthBar.transform.localScale.y);
        }else if(hp < damage){
            healthBar.transform.localScale = new Vector2(0, healthBar.transform.localScale.y);
        }
    }
}