using UnityEngine;
using UnityEngine.UI;

public class HealthBarManager : MonoBehaviour
{

    private float playerHealth;
    public float sliderValue = 100.0f;
    public GameObject centerBar;
    private Transform centerBarTransform;
    public GameObject rightBar;
    private Transform rightBarTransform;

    public Image centerBarSprite;
    public Image rightBarSprite;
    // public Image leftBarSprite;
    private float shownHealth;
    public Image skullSprite;
    private Transform centerBarPosition;

    private float centerBarOriginalHeight;
    private float centerBarOriginalWidth;
    private Vector2 originalSizeDelta;


    // Start is called once before the first execution of Update after the MonoBehaviour is created
    void Awake()
    {
        centerBarOriginalWidth = centerBarSprite.sprite.rect.width;
        centerBarOriginalHeight = centerBarSprite.sprite.rect.height;

        skullSprite.enabled = false;

        originalSizeDelta = centerBarSprite.rectTransform.sizeDelta;
    }

    // Update is called once per frame
    void FixedUpdate()
    {
        playerHealth = GameObject.Find("GameData").GetComponent<GameData>().CurrentHealth;
        if (playerHealth > 0)
        {
            centerBarSprite.enabled = true;
            rightBarSprite.enabled = true;
            // leftBarSprite.enabled = true;
            skullSprite.enabled = false;
            
            shownHealth = playerHealth;
        }
        else
        {
            shownHealth = 0;

            centerBarSprite.enabled = false;
            rightBarSprite.enabled = false;
            // leftBarSprite.enabled = false;
            skullSprite.enabled = true;
        }

        // add lerp function for health 
        float healthIncrement = (shownHealth - sliderValue) * 0.1f;

        sliderValue += healthIncrement;


        centerBarSprite.rectTransform.sizeDelta = new Vector2(originalSizeDelta.x * sliderValue / 100.0f, originalSizeDelta.y);


        // centerBarPosition = centerBar.GetComponent<Transform>();


        centerBarTransform = centerBar.GetComponent<Transform>();
        centerBarTransform.position += Vector3.right * healthIncrement * 1.1f;
        rightBarTransform = rightBar.GetComponent<Transform>();
        rightBarTransform.position += Vector3.right * healthIncrement * 2f * 1.1f;
    }
}