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

public class DoorHealthBarManager : MonoBehaviour
{
    public Color FullHealthColor;
    public Color EmptyHealthColor;
    public GameObject Bar;
    public GameObject DoorIcon;
    public Sprite DoorSprite100;
    public Sprite DoorSprite50;
    public Sprite DoorSprite25;

    private Image barImage;
    private SpriteRenderer spriteRenderer;
    private Image doorImage;

    private int healthValue;

    private Transform playerPos;

    // Start is called before the first frame update
    private void Start()
    {
        barImage = Bar.GetComponent<Image>();
        doorImage = DoorIcon.GetComponent<Image>();

        healthValue = 100;
        UpdateHealthValue(healthValue);

        playerPos = GameObject.FindGameObjectWithTag("Player").transform;

        // UpdateHealthValue(10); // For testing purpose only
    }

    private void Update() 
    {
        transform.LookAt(playerPos);   
    }

    
    public void UpdateHealthValue(int health)
    {
        if(health >= 0 && health <= 100) // Health value must be an integer between 0 and 100
        {
            healthValue = health;

            float healthAmount = (float)healthValue / 100f;

            barImage.fillAmount = healthAmount;

            Color lerpedColor = Color.Lerp(FullHealthColor, EmptyHealthColor, 1.0f - healthAmount);

            barImage.color = lerpedColor;

            Debug.Log("healthAmount = " + healthAmount);
            Debug.Log(lerpedColor.r + ", " + lerpedColor.g + ", " + lerpedColor.b);

            if (healthValue > 50.0f)
            {
                SetIconSprite(DoorSprite100);
            }
            else if (healthValue > 25.0f)
            {
                SetIconSprite(DoorSprite50);
            }
            else
            {
                SetIconSprite(DoorSprite25);
            }
        }
    }

    private void SetIconSprite(Sprite doorSprite)
    {
        doorImage.sprite = doorSprite;
    }
}