using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
namespace WildAttack
{
    public class HPBarPanel : MonoBehaviour
    {
        #region Members
        [SerializeField] Transform _HPBarTrans;
        //[SerializeField] Text _textWallHp;

        private Image addHp;
        private Image subHp;
        private Image hpBar;
        [SerializeField] private Text textHp;
        #endregion

        #region Lifecycle
        // Start is called before the first frame update
        void Start()
        {
            ResetHpBar();

        }

        // Update is called once per frame
        void Update()
        {
            RefreshHp();
        }
        #endregion

        #region Functions

        /// <summary>
        /// 血条相关
        /// </summary>
        public void AddHp()
        {
            addHp.fillAmount = (float)GameMananger.GetInstance().HP / GameMananger.GetInstance().HPMax;
        }
        public void SubHp()
        {
            hpBar.fillAmount = (float)GameMananger.GetInstance().HP / GameMananger.GetInstance().HPMax;
            addHp.fillAmount = (float)GameMananger.GetInstance().HP / GameMananger.GetInstance().HPMax;
        }

        /// <summary>
        /// 重置
        /// </summary>
        public void ResetHpBar()
        {
            if (hpBar == null)
            {
                addHp = _HPBarTrans.Find("addHp").GetComponent<Image>();
                hpBar = _HPBarTrans.Find("hpBar").GetComponent<Image>();
                subHp = _HPBarTrans.Find("subHp").GetComponent<Image>();
            }

            hpBar.fillAmount = (float)GameMananger.GetInstance().HP / GameMananger.GetInstance().HPMax;
            addHp.fillAmount = (float)GameMananger.GetInstance().HP / GameMananger.GetInstance().HPMax;
            subHp.fillAmount = (float)GameMananger.GetInstance().HP / GameMananger.GetInstance().HPMax;
        }

        /// <summary>
        /// 血条更新 （表现
        /// </summary>
        private void RefreshHp()
        {
            textHp.text = $"{GameMananger.GetInstance().HP}/{GameMananger.GetInstance().HPMax}";
            if (hpBar.fillAmount < addHp.fillAmount)
            {
                hpBar.fillAmount += 0.002f;
                subHp.fillAmount = hpBar.fillAmount;
            }
            if (subHp.fillAmount > hpBar.fillAmount)
            {
                subHp.fillAmount -= 0.002f;
            }

        }

        public void SetProcessInfoActive(bool active)
        {
            _HPBarTrans.GetComponent<CanvasGroup>().alpha = active ? 1 : 0;
            textHp.gameObject.SetActive(active);
        }
        #endregion
    }
}