using System;
using System.Threading.Tasks;
using asap.core;
using GameCore;
using TMPro;
using UniRx;
using UnityEngine;
using UnityEngine.ResourceManagement.AsyncOperations;
using UnityEngine.UI;

namespace EventBossFight
{
    public class EventBossFightReviewPanel : BasePanel
    {
        private Button _btnFight;
        private Button _btnRest;
        private RewardItemNew[] _rewards;
        private TMP_Text _textTime;
        private GameObject _boss;

        private EventBossFightManager _manager;
        private EventBossFightManager Manager => _manager ??= GContext.container.Resolve<EventBossFightManager>();
        private EventBossFightData Data => Manager.Data;
        private Animation _uiAnimation;

        private AsyncOperationHandle<GameObject> _reviewBossInstantiateHandle;

        private void Awake()
        {
            _btnFight = gameObject.FindChildGameObject("btn_fight").GetComponentInChildren<Button>();
            _btnFight.onClick.AddListener(OnClickFight);
            _btnRest = gameObject.FindChildGameObject("btn_rest").GetComponentInChildren<Button>();
            _btnRest.onClick.AddListener(OnClickRest);
            _rewards = this.gameObject.GetComponentsInChildren<RewardItemNew>(true);
            _boss = gameObject.FindChildGameObject("boss");
            _textTime = this.gameObject.FindChildGameObject("text_time").GetComponent<TMP_Text>();
            Observable.Interval(TimeSpan.FromSeconds(1f)).Subscribe(UpdateTimer).AddTo(disposables);
            foreach (var item in _rewards)
            {
                item?.gameObject.SetActive(false);
            }

            _uiAnimation = this.GetComponent<Animation>();
        }

        protected override void OnDestroy()
        {
            EventBossFightPerStageVideoBossLoader.ReleaseAddressableBoss(ref _reviewBossInstantiateHandle);
            _btnFight.onClick.RemoveAllListeners();
            _btnRest.onClick.RemoveAllListeners();
            base.OnDestroy();
        }

        protected override void Start()
        {
            _uiAnimation.Play("popup_common_show");
            _textTime.text = string.Empty;
            _ = InitReviewFlowAsync();
        }

        private async Task InitReviewFlowAsync()
        {
            try
            {
                Manager.TryStartNewRound();
                HideBossHierarchyChildren();
                _reviewBossInstantiateHandle = await EventBossFightPerStageVideoBossLoader.LoadAddressableBossIfNeededAsync(
                    _boss.transform, Data.InitConfig, Data.StageCountFrom1, _reviewBossInstantiateHandle);
                ShowBossVideoIdle();
                ShowUI();
            }
            catch (Exception e)
            {
                Debug.LogError(e);
            }
        }

        private void HideBossHierarchyChildren()
        {
            for (var i = 0; i < _boss.transform.childCount; i++)
                _boss.transform.GetChild(i).gameObject.SetActive(false);
        }

        private void ShowBossVideoIdle()
        {
            Transform stageRoot = null;
            if (EventBossFightPerStageVideoBossLoader.TryGetBossRootFromHandle(_reviewBossInstantiateHandle,
                    out var fromHandle))
                stageRoot = fromHandle;
            else if (EventBossFightPerStageVideoBossLoader.TryFindEmbeddedBossSlotRoot(_boss.transform,
                         Data.InitConfig, Data.StageCountFrom1, out var embedded))
                stageRoot = embedded;

            if (stageRoot == null)
            {
                Debug.LogError(
                    $"复盘 Boss 未就绪（无 Addressables 实例且 boss 下无与 key 同名的嵌入式槽位），StageCountFrom1={Data.StageCountFrom1}，期望：{EventBossFightBossBundleKeys.GetAddressableKey(Data.InitConfig, Data.StageCountFrom1)}",
                    _boss);
                return;
            }

            // InitReviewFlowAsync 里 HideBossHierarchyChildren 已关闭 boss 下所有子节点；嵌入式须激活本关槽位
            stageRoot.gameObject.SetActive(true);

            EventBossFightPerStageVideoBossLoader.PlayVideoBossIdle(stageRoot.gameObject,
                "[EventBossFightReviewPanel]");
        }

        private void UpdateTimer(long obj)
        {
            if (Data == null)
                return;
            _textTime.text = ConvertTools.ConvertTime2(Data.RemainingTime);
        }

        public async Task ClosePanel()
        {
            _uiAnimation.Play("popup_common_out");
            await Awaiters.Seconds(0.25f);
            UIManager.Instance.DestroyUI(UITypes.EventBossFightReviewPopupPanel);
        }

        private void ShowUI()
        {
            UpdateTimer(0);
            var itemDatas = GContext.container.Resolve<PlayerItemData>()
                .GetItemDataByDropIdLureInflation(Data.InflationRate, Data.StageConfig.DropId);
            if (itemDatas == null) return;
            for (var i = 0; i < itemDatas.Count && i < _rewards.Length; i++)
            {
                if (itemDatas[i] == null) continue;
                _rewards[i].SetData(itemDatas[i]);
                _rewards[i].gameObject.SetActive(true);
            }
        }

        private void OnClickRest()
        {
            Manager.RestFight();
        }

        private void OnClickFight()
        {
            Manager.StartNewStageFight();
        }
    }
}