using System;
using System.Collections.Generic;
using UnityEngine;
using System.Linq;

namespace GuruClient
{
    public class GameManager : MonoBehaviour
    {
        private static GameManager _instance;

        public static GameManager Instance
        {
            get
            {
                return _instance;
            }
        }
        
        [HideInInspector]
        [LunaPlaygroundField("Amount of lives1", 1, "Game Settings")]
        public int maxLives1 = 3;
        
        [HideInInspector]
        [LunaPlaygroundField("Amount of lives2", 1, "Game Settings")]
        public int maxLives2 = 3;
        
        [HideInInspector]
        [LunaPlaygroundField("Amount of lives3", 1, "Game Settings")]
        public int maxLives3 = 3;

        public Camera UICamera;
        
        public GameObjectPool PatchPool { set; get; }
        private bool _poolInited = false;

        private GameModel _model;
        public UIGameView uiGameView;
        public GameObject uiGameWin;
        public GameObject patchTemplate;

        //本关需要填充的补丁
        private List<APatch> _stageAllPatch = new List<APatch>();
        private List<APatch> _stageAllLine = new List<APatch>();
        private List<APatch> _stageCompletePatch = new List<APatch>();
        private List<APatch> _needAutoPatch = new List<APatch>();
        private List<APatch> _finishAutoPatch = new List<APatch>();
        //继续游戏时，需要恢复的拼图数据
        private List<APatch> _recoverPatch = new List<APatch>();

        [HideInInspector]
        public bool _canDragging = false;
        //是否正在跨越关卡
        private bool _isStageCross = false;
        //是否已完成
        private bool _isGameWin = false;

        [HideInInspector]
        public StartMode curStartMode;
        //当前局的bPlay次数
        private int _curBPlay;

        //操作人员
        public string Operator  {get; set;}

        //从LevelStart时间开始记录，截止到LevelEnd事件的关卡时长
        private int _levelDuration;
        //从LevelStart时间开始记录，截止到LevelEnd事件的拼图数量
        private int _levelDurationStep;
        
        public bool isOrientationPortrait = true;

        // Start is called before the first frame update
        void Start()
        {
            _instance = this;
            
            if(Screen.width > Screen.height)
            {
                Debug.Log("这是横屏");
                isOrientationPortrait = true;
            }
            else
            {
                Debug.Log("这是竖屏");
                isOrientationPortrait = false;
            }
            
            GameManager.Instance.InitPatchPool();

            _model = new GameModel();
            bool isSuccess = _model.InitializeLevel("395", StartMode.Continue, LevelType.MainLine);
            if (isSuccess)
            {
                Debug.Log("关卡初始化成功");
                _model.LoadAllPatches();
                Debug.Log("关卡拼图加载成功");
                uiGameView.StartGame();
            }
        }
        
        public void InitPatchPool()
        {
            if (_poolInited)
            {
                return;
            }
            PatchPool = GameObjectPool.CreatePool(patchTemplate, 50, false);
            _poolInited = true;
        }

        public GameModel GetModel()
        {
            return _model;
        }
        
        /// <summary>
        /// 开始关卡的Stage
        /// </summary>
        public void StartStage()
        {
            //根据当前数据恢复关卡
            if (_model.GetCurrentStage() > 1 || _model.GetCurrentStep() > 0 || _stageCompletePatch.Count > 0)
            {
                ToNextLevel(true);
            }else
            {
                ToNextLevel(false);
            }
        }
        
        /// <summary>
        /// 前往下一关
        /// </summary>
        private void ToNextLevel()
        {
            ToNextLevel(false);
        }
        
        /// <summary>
        /// 前往下一关
        /// </summary>
        /// <param name="isRecover">是否从进度文件恢复</param>
        public void ToNextLevel(bool isRecover)
        {
            if (!isRecover)
            {
                _model.SetCurrentStage(_model.GetCurrentStage() + 1);
                _model.SetCurrentStep(0);
                _stageCompletePatch.Clear();
            }else
            {
                uiGameView.LoadAutoPatches(_recoverPatch, false, true);
            }

            _stageAllPatch.Clear();
            _stageAllLine.Clear();
            _needAutoPatch.Clear();
            _finishAutoPatch.Clear();

            int curStage = _model.GetCurrentStage();
            List<APatch> tmp = _model.GetStageAllPatch(curStage);
            if (tmp != null)
            {
                _stageAllPatch = tmp;
            }

            tmp = _model.GetLineAllPatch(curStage);
            if (tmp != null)
            {
                _stageAllLine = tmp;
            }

            tmp = _model.GetAutoAllPatch(curStage);
            if (tmp != null)
            {
                _needAutoPatch = tmp;
            }

            _finishAutoPatch.Add(_model.GetFinishPatch());

            if (_stageAllPatch.Count > 0)
            {
                //加载关卡
                LoadLevel(isRecover, null);
            }else
            {
                CompletePage(null);
            }
            _isStageCross = false;
        }
        
        /// <summary>
        /// 关卡完成
        /// </summary>
        public void CompletePage(Action callback)
        {
            //自动补图
            if (uiGameView != null)
            {
                try
                {
                    uiGameView.LoadRole(true, false, callback);

                    Timer.Instance.SetTimeoutAsync(2.0f, () =>
                    {
                        GameWin();
                    });
                }
                catch (Exception e)
                {
                    Debug.Log(e);
                }
            }
        }

        public void GameWin()
        {
            if (!_isGameWin)
            {
                //显示GameWin
                _isGameWin = true;
                
                uiGameWin.SetActive(true);
                uiGameWin.GetComponent<UIGameWin>().OnBeforStart(_model.GetCurrentLevel());
            }
        }
        
        /// <summary>
        /// 加载关卡
        /// </summary>
        /// <param name="isRecover"></param>
        public void LoadLevel(bool isRecover, Action callback)
        {
            _canDragging = false;
            if (uiGameView != null)
            {
                if (!isRecover)
                {
                    Timer.Instance.SetTimeoutAsync(0.5f, callback);
                }
                if (uiGameView != null)
                {
                    if (_model.GetCurrentStage() == 1 || isRecover)
                    {
                        uiGameView.LoadBg(callback);
                    }

                    LoadLevelInner(isRecover, callback);
                }
            }
        }

        private void LoadLevelInner(bool isRecover, Action callback)
        {
            uiGameView.LoadRole(isRecover, false, callback);
            LoadLineTemplate(isRecover,null);
        }

        /// <summary>
        /// 加载线稿
        /// </summary>
        /// <param name="isRecover"></param>
        private void LoadLineTemplate(bool isRecover, Action callback)
        {
            if(uiGameView != null)
            {
                uiGameView.LoadLineTemplate(callback);
                InitPatches(isRecover);
            }
        }
        
        /// <summary>
        /// 是否可拖拽（拼图）
        /// </summary>
        /// <returns></returns>
        public bool CanDragging()
        {
            return _canDragging;
        }
        
        /// <summary>
        /// 初始化拼图
        /// </summary>
        /// <param name="isRecover">是否为恢复关卡</param>
        private void InitPatches(bool isRecover)
        {
            bool isShowCurrentPatche = _model.IsShowCurrentPatche();
            if(_model.GetCurrentStage() == 1 || isRecover || isShowCurrentPatche)
            {
                if(uiGameView != null)
                {
                    uiGameView.InitPatches(isShowCurrentPatche ? _model.GetCurrentStage() : -1, () => {
                        //第一阶段和恢复的保证加载完成后，才可拼图
                        _canDragging = true;
                        
                        uiGameView.ShowTips(true);
                    });
                }
            }else
            {
                //第二阶段，不需要加载拼图，直接可拼图
                _canDragging = true;
            }

            if(isRecover)
            {
                CheckNextLevel();
            }

            EventManager.Dispatch("START_NEXT_LEVEL");
        }
        
        /// <summary>
        /// 匹配后增加score分数
        /// </summary>
        /// <param name="aPatch">拼图数据</param>
        /// <returns></returns>
        public int AddScore(APatch aPatch)
        {
            LevelDurationStepUpdate();
            _model.SetCurrentStep(_model.GetCurrentStep() + 1);
            int step = _model.AddTotalStep();
            _model.AddCompletePatchCount(1);
            Luna.Unity.Analytics.LogEvent($"CompleteStep_{step}", 0);
            _stageCompletePatch.Add(aPatch);
            return _stageCompletePatch.Count;
        }

        public bool IsCompleteStage()
        {
            return _stageAllPatch.Count == _stageCompletePatch.Count && _stageAllPatch.Count != 0;
        }

        //关卡步数+1步
        public void LevelDurationStepUpdate()
        {
            _levelDurationStep ++;
        }

        //获取一个未完成拼图
        public APatch GetOneUnCompletePatch()
        {
            IEnumerable<APatch> collection = _stageAllPatch.Except(_stageCompletePatch);
            foreach (APatch item in collection)
            {
                return item;
            }

            return new APatch();
        }

        /// <summary>
        /// 检测某个拼图数据是否已完成
        /// </summary>
        /// <param name="aPatch"></param>
        /// <returns></returns>
        public bool IsCompletedPatch(APatch aPatch)
        {
            return _stageCompletePatch.Contains(aPatch);
        }
        
        /// <summary>
        /// 游戏是否已结束
        /// </summary>
        /// <returns></returns>
        public bool IsGameWin()
        {
            return _isGameWin;
        }

        /// <summary>
        /// 获取当前阶段需要拼接的数据
        /// </summary>
        /// <returns></returns>
        public List<APatch> GetCurrentStageData()
        {
            return _stageAllPatch;
        }

        /// <summary>
        /// 获取当前阶段的线稿数据
        /// </summary>
        /// <returns></returns>
        public List<APatch> GetCurrentStageLineData()
        {
            return _stageAllLine;
        }

        /// <summary>
        /// 检测是否应该进入下一关
        /// </summary>
        /// <param name="step"></param>
        public void CheckNextLevel(int step = -1)
        {
            if (!_isStageCross && (step == -1 ? _model.GetCurrentStep() : step) >= _stageAllPatch.Count)
            {
                _isStageCross = true;
                if (uiGameView != null)
                {
                    uiGameView.RemoveLineTemplate(null);
                }
                if (_needAutoPatch.Count > 0)
                {
                    //自动补图
                    if (uiGameView != null)
                    {
                        if(uiGameView != null)
                        {
                            int curStage = _model.GetCurrentStage();
                            List<APatch> tmp = _model.GetStageAllPatch(curStage + 1);
                            if(tmp == null)
                            {
                                uiGameView.LoadAutoPatches(_needAutoPatch, false, false, () => {
                                    ToNextLevel();
                                });
                            }else
                            {
                                uiGameView.LoadAutoPatches(_needAutoPatch);
                                ToNextLevel();
                            }
                        }
                    }
                }else
                {
                    ToNextLevel();
                }
            }
        }
        
        void OnApplicationQuit()
        {
            Luna.Unity.LifeCycle.GameEnded();
        }
    }
}