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

namespace GuruClient
{
    public class GameModel
    {
        //当前关卡数据
        private ALevel _aLevel;

        //关卡的打开方式
        StartMode _startMode;
        
        //所有拼图数据
        private Dictionary<string, APatch> _patchDB = new Dictionary<string, APatch>();
        //可操作拼图数据
        private List<APatch> _operablePatch = new List<APatch>();

        //所有stage对应的拼图
        Dictionary<string, List<APatch>> _stageAllPatch = new Dictionary<string, List<APatch>>();
        Dictionary<string, List<APatch>> _autoAllPatch = new Dictionary<string, List<APatch>>();
        Dictionary<string, List<APatch>> _lineAllPatch = new Dictionary<string, List<APatch>>();
        APatch _finishPatch = new APatch();


        //已完成拼图数量
        private int _completePatchCount;
        //当前关卡
        private int _currStage = 0;
        //当前关卡下的第N步
        private int _currStep = 0;
        //总步数
        private int _totalStep = 0;
        
        /// <summary>
        /// 初始化关卡
        /// </summary>
        /// <param name="level">关卡ID</param>
        /// <param name="isReplay">是否为重玩</param>
        public bool InitializeLevel(string psdID, StartMode startMode, LevelType levelType)
        {
            _aLevel = ConfigManager.Instance.GetLevel(psdID, levelType);
            if(_aLevel == null )
            {
                return false;
            }

            _startMode = startMode;

            return true;
        }

        /// <summary>
        /// 加载所有拼图元素
        /// </summary>
        /// <param name="cab">关卡对应的CustonAssetBundle</param>
        public bool LoadAllPatches()
        {
            TextAsset ta = Resources.Load<TextAsset>("Levels/395/PatchDB");
        
            if (ta != null)
            {
                _patchDB = ConfigManager.Instance.ParsePatches(ta.text);
                ParsePatches();
                //筛选出可操作的拼图
                FilterOperablePatch();       
                return true;
            }
            return false;
        }
        
        /// <summary>
        /// 解析关卡的拼图
        /// </summary>
        public void ParsePatches()
        {
            _stageAllPatch.Clear();
            _autoAllPatch.Clear();
            _lineAllPatch.Clear();
            _finishPatch = new APatch();

            Dictionary<string, APatch> patchDB = GetPatchDB();
            //筛选当前关卡
            foreach (KeyValuePair<string, APatch> item in patchDB)
            {
                switch(item.Value.tag)
                {
                    case "patch":
                        if(_stageAllPatch.TryGetValue(item.Value.stage.ToString(), out List<APatch> li))
                        {
                            li.Add(item.Value);
                        }
                        else
                        {
                            li = new List<APatch>
                            {
                                item.Value
                            };
                            _stageAllPatch[item.Value.stage.ToString()] = li;
                        }

                        break;
                    case "auto":
                        if(_autoAllPatch.TryGetValue(item.Value.stage.ToString(), out List<APatch> li1))
                        {
                            li1.Add(item.Value);
                        }
                        else
                        {
                            li1 = new List<APatch>
                            {
                                item.Value
                            };
                            _autoAllPatch[item.Value.stage.ToString()] = li1;
                        }

                        break;                    
                    case "line":
                        if(_lineAllPatch.TryGetValue(item.Value.stage.ToString(), out List<APatch> li2))
                        {
                            li2.Add(item.Value);
                        }
                        else
                        {
                            li2 = new List<APatch>
                            {
                                item.Value
                            };
                            _lineAllPatch[item.Value.stage.ToString()] = li2;
                        }

                        break;
                    case "finish":
                        _finishPatch = item.Value;
                        break;
                }
            }
        }
        
        /// <summary>
        /// 过去关卡的拼图字典
        /// </summary>
        /// <returns></returns>
        public Dictionary<string, APatch> GetPatchDB()
        {
            return _patchDB;
        }
        
        /// <summary>
        /// 过滤可操作的拼图列表
        /// </summary>
        private void FilterOperablePatch()
        {
            _operablePatch.Clear();
            //主线第一关，不随机
            if (_aLevel.level == 1 && _aLevel.type == LevelType.MainLine)
            {
                foreach (KeyValuePair<string, APatch> item in _patchDB)
                {
                    if (item.Key.Contains("patch_"))
                    {
                        _operablePatch.Add(item.Value);
                    }
                }
            }else
            {
                UnityEngine.Random.InitState(_aLevel.level);
                foreach (KeyValuePair<string, APatch> item in _patchDB)
                {
                    if (item.Key.Contains("patch_"))
                    {
                        int idx = UnityEngine.Random.Range(0, _operablePatch.Count + 1);
                        _operablePatch.Insert(idx, item.Value);
                    }
                }
            }
        }
        
        /// <summary>
        /// 获取当前的阶段
        /// </summary>
        /// <returns></returns>
        public int GetCurrentStage()
        {
            return _currStage;
        }
        
        /// <summary>
        /// 获取当前阶段的拼图进度
        /// </summary>
        /// <returns></returns>
        public int GetCurrentStep()
        {
            return _currStep;
        }
        
        /// <summary>
        /// 获取关卡数据
        /// </summary>
        /// <returns></returns>
        public ALevel GetCurrentLevel()
        {
            return _aLevel;
        }

        /// <summary>
        /// 设置当前的阶段
        /// </summary>
        /// <param name="stage">阶段</param>
        public void SetCurrentStage(int stage)
        {
            _currStage = stage;
            EventManager.Dispatch("UPDATE_PROGRESS_DOT");
        }
        
        /// <summary>
        /// 设置当前阶段的拼图进度
        /// </summary>
        /// <param name="step"></param>
        public void SetCurrentStep(int step)
        {
            _currStep = step;
        }
        
        /// <summary>
        /// 获取指定阶段的所有拼图
        /// </summary>
        /// <param name="stage"></param>
        /// <returns></returns>
        public List<APatch> GetStageAllPatch(int stage)
        {
            return _stageAllPatch.TryGetValue(stage.ToString(), out List<APatch> li) ? li : null;
        }
        
        /// <summary>
        /// 获取指定阶段的所有描线
        /// </summary>
        /// <param name="stage"></param>
        /// <returns></returns>
        public List<APatch> GetLineAllPatch(int stage)
        {
            return _lineAllPatch.TryGetValue(stage.ToString(), out List<APatch> li) ? li : null;
        }

        /// <summary>
        /// 获取指定阶段的所有自动拼图
        /// </summary>
        /// <param name="stage"></param>
        /// <returns></returns>
        public List<APatch> GetAutoAllPatch(int stage)
        {
            return _autoAllPatch.TryGetValue(stage.ToString(), out List<APatch> li) ? li : null;
        }

        /// <summary>
        /// 获取完成拼图
        /// </summary>
        /// <returns></returns>
        public APatch GetFinishPatch()
        {
            return _finishPatch;
        }
        
        public bool IsHideLineWhenPatched()
        {
            return true;
        }
        
        public bool IsShowCurrentPatche()
        {
            return false;
        }
        
        /// <summary>
        /// 叠加总拼图数
        /// </summary>
        public int AddTotalStep()
        {
            _totalStep += 1;
            return _totalStep;
        }
        
        /// <summary>
        /// 叠加已完成的拼图数
        /// </summary>
        /// <param name="count"></param>
        public void AddCompletePatchCount(int count)
        {
            _completePatchCount += count;
            EventManager.Dispatch("UPDATE_PROGRESS");
        }
        
        public bool IsCompleteByPatch()
        {
            return _operablePatch.Count == _totalStep && _totalStep != 0;
        }
        
        /// <summary>
        /// 获取可操作的拼图字典
        /// </summary>
        /// <returns></returns>
        public List<APatch> GetOperablePatch()
        {
            return _operablePatch;
        }

        /// <summary>
        /// 获取拼图总数
        /// </summary>
        /// <returns></returns>
        public int GetTotalPatchCount()
        {
            return _operablePatch.Count;
        }

        /// <summary>
        /// 获取已完成的拼图数
        /// </summary>
        /// <returns></returns>
        public int GetCompletePatchCount()
        {
            return _completePatchCount;
        }
        
        public Tuple<int, int> GetStageProgress()
        {
            return new Tuple<int, int>(_currStage == 0 ? 1: _currStage, _stageAllPatch.Count);
        }
    }
}