using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using MoreMountains.NiceVibrations;
using TMPro;
using DG.Tweening;
using Core.Utilities;
using System.Collections;

/**
 * 无尽模式玩家基地血量管理器
 * @Author: chenxin
 * @Date: 2020-11-05 15:33:11
 */
namespace KTGMGemClient
{
    public class EndlessHomeBaseHPManager : MonoBehaviour
    {
        /// <summary>
        /// 总血量
        /// </summary>
        public int TotalHP { get; private set; }

        /// <summary>
        /// 当前血量
        /// </summary>
        public int CurrentHP { get; private set; }

        /// <summary>
        /// 爱心列表
        /// </summary>
        public List<GameObject> HeartList;

        public TextMeshProUGUI hpTxt;

        [SerializeField]
        private GameObject loseHeartPrefab;

        private bool isPlayLoseHeartDone = true;

        [SerializeField]
        private Image heartImg;

        private Timer timer;
        public ParticleSystem loseHeartPS;//心碎特效
        private GameObject decreaseHeartObj;//掉血显示

        // Start is called before the first frame update
        private void Start()
        {
            CurrentHP = TotalHP = 5;
            hpTxt.text = "x" + CurrentHP.ToString();
            EventCenter.Ins.Add<int>((int)KTGMGemClient.EventType.EndlessLoseHeart, LoseHeart);
        }

        public void Update()
        {
            if (timer != null)
                timer.Tick(Time.deltaTime);
        }

        /// <summary>
        /// 减少爱心
        /// </summary>
        /// <param name="count">一次减少的数量</param>
        private void LoseHeart(int count)
        {
            if (CurrentHP == 0) return;

            FloatLoseHeart(count);
            PlayLoseHeartEffect();
            CurrentHP = Mathf.Max(0, CurrentHP - count);

            hpTxt.text = "x" + CurrentHP.ToString();

            //ViewPortAdj.instance.cachedCamera.DOShakePosition(0.25f, 1.5f, 4);//这里只可以震动3D场景中的东西
            ViewPortAdj.instance.DOShakePosition();
            MMVibrationManager.Haptic(HapticTypes.HeavyImpact);

            if (CurrentHP == 0)
                EventCenter.Ins.BroadCast((int)KTGMGemClient.EventType.EndlessHeartAllLose);
        }


        /// <summary>
        /// 丢失爱心飘字
        /// </summary>
        /// <param name="count"></param>
        private void FloatLoseHeart(int count)
        {
            TextMeshProUGUI textMeshProUGUI;
            if (decreaseHeartObj != null)
            {
                textMeshProUGUI = decreaseHeartObj.transform.GetChild(0).GetComponent<TextMeshProUGUI>();
                textMeshProUGUI.text = int.Parse(textMeshProUGUI.text) - count + "";
            }
            else
            {
                GameObject prefab = Resources.Load<GameObject>("UI/DecreaseHeart");
                GameObject obj = Instantiate(prefab);
                obj.transform.SetParent(GameObject.Find("UICamera/BottomCanvas/Panel/Bottom/CurrencyContainer").transform, false);
                obj.transform.localPosition = new Vector3(91.5f, 48.8f, 0f);
                obj.transform.localScale = new Vector3(0.5f, 0.5f, 0.5f);

                decreaseHeartObj = obj;

                textMeshProUGUI = obj.transform.GetChild(0).GetComponent<TextMeshProUGUI>();
                textMeshProUGUI.text = $"-{count}";
                DOTween.To(
                    () => obj.transform.localPosition.y,
                    (float v) =>
                    {
                        Vector3 pos = obj.transform.localPosition;
                        pos.y = v;
                        obj.transform.localPosition = pos;

                    }, 70.9f, 0.3f);
                StartCoroutine(DestroyDecreaseHeart());
            }

            //Destroy(obj, 0.6f);
        }

        IEnumerator DestroyDecreaseHeart()
        {
            yield return new WaitForSeconds(0.6f);
            Destroy(decreaseHeartObj);
            decreaseHeartObj = null;
        }

        private void PlayLoseHeartEffect()
        {
            if (!isPlayLoseHeartDone) return;

            heartImg.enabled = false;
            // GameObject obj = Instantiate(loseHeartPrefab);
            // obj.transform.SetParent(GameObject.Find("ParticleSystemObject").transform, false);
            // obj.transform.localPosition = new Vector3(-27.93f, 0f, -51.52f);
            // obj.transform.localScale = new Vector3(0.9f, 0.9f, 0.9f);
            // ParticleSystem ps = obj.transform.GetChild(0).GetComponent<ParticleSystem>();

            loseHeartPS?.Play();
            timer = new Timer(0.6f, SpawnHeart);
        }

        private void SpawnHeart()
        {
            timer = null;

            if (CurrentHP == 0) return;

            heartImg.enabled = true;
            heartImg.transform.localScale = new Vector3(0f, 0f, 0f);

            DOTween.To(
                () => heartImg.transform.localScale,
                (Vector3 v) => heartImg.transform.localScale = v,
                new Vector3(1f, 1f, 1f),
                0.3f
                ).SetEase((Ease.OutBack))
                .OnComplete(() => { isPlayLoseHeartDone = true; });
        }
    }
}