using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
//----------------------------------------------------------------
//Module Name:  $safeprojectname$
//Purpose:      
//CopyRight:    Muchinfo
//History:
//----------------------------------------------------------------
//DateTime		2017/2/20 16:00:41
//Author       
//Description   Create
//----------------------------------------------------------------
using GalaSoft.MvvmLight;
using GalaSoft.MvvmLight.Ioc;
using Muchinfo.MTPClient.Data;
using Muchinfo.MTPClient.Data.Enums;
using Muchinfo.MTPClient.Data.Model;
using Muchinfo.MTPClient.Data.Model.Analysis;
using Muchinfo.MTPClient.Data.Quote;
using Muchinfo.MTPClient.Infrastructure.Cache;
using Muchinfo.MTPClient.Infrastructure.Helpers;
using Muchinfo.MTPClient.Infrastructure.Utilities;
using Muchinfo.MTPClient.IService;

namespace Muchinfo.MTPClient.Analysis.ViewModels
{
    public class QuoteTikDetailViewModel : ChartViewModelBase
  {

  
 
      private List<SubPenData> _listSubSource=new List<SubPenData>();

      ///分笔数据
      private bool _lockQuery;///是否正在查询数据
                                                                     

      public QuoteTikDetailViewModel(QuoteGoods goods ):base(goods)
      {
       
          _currentGoods = goods;
          if (CacheManager.TradeDayPlan.ContainsKey(goods.GoodsParameters.GoodsId))
          {
              var tradePlan = CacheManager.TradeDayPlan[goods.GoodsParameters.GoodsId];
           QueryQuoteTik(tradePlan);
          }
          else
          {
              ChartInitTradePlan();
          }
          IsBidGoods = goods.TradeMode != eTradeMode.TRADEMODE_MARKETMAKE;

          LastClose = goods.LastClose;
      }


      private bool _isBusy;

      /// <summary>
      /// 是否忙
      /// </summary>
      public bool IsBusy
      {
          get { return _isBusy; }
          set { Set(() => IsBusy, ref _isBusy, value); }
      }


      private decimal _lastClose;

      /// <summary>
      /// 昨收
      /// </summary>
      public decimal LastClose
      {
          get { return _lastClose; }
          set { Set(() => LastClose, ref _lastClose, value); }
      }


      private void QueryQuoteTik(QuoteTradePlan tradePlan)
      {
          if (!_lockQuery)
          {
              if (tradePlan != null && tradePlan.OpenCloseDates != null && tradePlan.OpenCloseDates.Any())
              {
                  _lockQuery = true;
                  DateTime openDate = ApplicationParameter.ServerTimeNow.Date,
                      closeDate = ApplicationParameter.ServerTimeNow.Date.AddHours(24);
                  IsBusy = true;
                  openDate = tradePlan.OpenCloseDates[0].OpenDate;
                  closeDate = tradePlan.OpenCloseDates[tradePlan.OpenCloseDates.Count - 1].CloseDate;
                  _quoteDataService.GetHistoryCycleData(_currentGoods, CycleType.Tik, openDate, closeDate, 0,
                      QueryTikSuccess, QueryTikError);
              }
          }
      }


      /// <summary>
      /// 
      /// </summary>
      /// <param name="tradeDays"></param>
      protected  override void QueryReckenSuccess(List<QuoteTradePlan> tradeDays)
      {
          base.QueryReckenSuccess(tradeDays);
          var goodsPlan = tradeDays.FirstOrDefault((item) => item.GoodsId == _currentGoods.GoodsId);
          if (goodsPlan == null)
          {
              goodsPlan = tradeDays.FirstOrDefault((item) => item.GoodsId == 0);
          }

          QueryQuoteTik(goodsPlan);
      }


      /// <summary>
      /// 查询历史Tik数据
      /// </summary>
      /// <param name="historyCycle">历史Tik数据</param>
      public void QueryTikSuccess(GoodsHistoryCycle historyCycle)
      {
          _lockQuery = false;
          IsBusy = false;
          if (historyCycle.SubDataPoints != null && historyCycle.SubDataPoints.Any())
          {
              if (_listSubSource != null)
              {
                  _listSubSource.InsertRange(0, historyCycle.SubDataPoints.ToList());
              }
              else
              {
                  _listSubSource = historyCycle.SubDataPoints.ToList();
              }
          }
          ////累计实时行情
          RegReadTimeQuote();
          if (Count > 0)
          {
              CalcPageCountWithAdd() ;
          }
          SetPageDataSource(0);
      }


      public void QueryTikError(ErrorEntity error)
      {
          _lockQuery = false;
          IsBusy = false;
          ////累计实时行情
          RegReadTimeQuote();
          LogInfoHelper.WriteInfo(string.Format("请求分笔数据：{0}({1})", error.ReturnCode, error.ReturnDesc));
      }

      private IEnumerable<SubPenData> _showDataSource;

      /// <summary>
      /// 显示的列表
      /// </summary>
      public IEnumerable<SubPenData> ShowDataSource
      {
          get { return _showDataSource; }
          set { Set(() => ShowDataSource, ref _showDataSource, value); }
      }

      /// <summary>
      /// 当前页显示的列表最后一个数据的索引
      /// </summary>
      public int CurrentIndex { get; set; }

      /// <summary>
      /// 当前页
      /// </summary>
      public int CurrentPage { get; set; }

      /// <summary>
      /// 当前总页数
      /// </summary>
      public int TotalPage { get; set; }

      /// <summary>
      /// 每页显示数量
      /// </summary>
      public int Count { get; set; }


      private bool _isBidGoods;

      /// <summary>
      /// 竞价商品显示内容
      /// </summary>
      public bool IsBidGoods
      {
          get { return _isBidGoods; }
          set
          {
              Set(() => IsBidGoods, ref _isBidGoods, value);
          }
      }


      private double _itemWidth;

      /// <summary>
      /// 设置列表项的大小
      /// </summary>
      public double ItemWidth
      {
          get { return _itemWidth; }
          set {Set(() => ItemWidth, ref _itemWidth, value); }
      }
      

      /// <summary>
      /// 返回列表多少页
      /// </summary>
      /// <param name="pageItem">每页显示多少数据</param>
      /// <returns></returns>
      public int CalcPageCount(int pageItem)
      {
          Count = pageItem;
          TotalPage = 1;    //默认显示一页
          if (_listSubSource != null)
          {
              var count= (int)Math.Ceiling( _listSubSource.Count/(double)pageItem);
              TotalPage= count <= 0 ? 1 : count;
          }
          CurrentPage = TotalPage;  ///默认显示最后一页
          return TotalPage;

      }

      /// <summary>
      /// 增量取数据时更新总页数据
      /// </summary>
      /// <returns></returns>
      public int CalcPageCountWithAdd()
      {
          if (CurrentPage == 1&&TotalPage!=CurrentPage)
          {
              CurrentPage = TotalPage-1;  ///从后倒数显示的当前页
          }
         
          if (_listSubSource != null)
          {
              var count = (int)Math.Ceiling(_listSubSource.Count / (double)Count);
              TotalPage = count <= 0 ? 1 : count;

              var page = TotalPage - CurrentPage;
              CurrentPage = page>0?page:1;
          }
          return TotalPage;
      }

       /// <summary>
      /// 显示总页数
       /// </summary>
       /// <param name="addPage">0：更新当前页，大于0时显示下一页，小于0时，显示前一页</param>
      public void SetPageDataSource(int addPage)
       {
           var page = CurrentPage + addPage;
           if (page > TotalPage)
           {
               CurrentPage = TotalPage;
           }
           else if(page<=0)
           {
               if (_listSubSource.Any())
               {
                   if (CacheManager.TradeDayPlan.ContainsKey(_currentGoods.GoodsParameters.MarketTypeID))
                   {
                       var tradePlan = CacheManager.TradeDayPlan[_currentGoods.GoodsParameters.MarketTypeID];
                       var isSub = _listSubSource[0].Time == tradePlan.OpenCloseDates[0].OpenDate;
                       if (!isSub && !_lockQuery) ////向前获取数据
                       {
                           _lockQuery = true;
                           IsBusy = true;
                           _quoteDataService.GetHistoryCycleData(_currentGoods, CycleType.Tik,
                               tradePlan.OpenCloseDates[0].OpenDate, _listSubSource[0].Time, 0, QueryTikSuccess,
                               QueryTikError);
                           return;
                       }
                   }
               }
               CurrentPage = 1;
           }
           else
           {
               CurrentPage = page;
           }
          if (CurrentPage == TotalPage)
          {
              var index = _listSubSource.Count - Count < 0 ? 0 : _listSubSource.Count - Count - 1;
              ShowDataSource = _listSubSource.GetRange(index, _listSubSource.Count - index).Where(z=>z.CompleteQte > 0);
              CurrentIndex = _listSubSource.Count - 1;
          }
          else
          {
              var index = (CurrentPage-1)*Count;
              if (index <= 0)
              {
                  index = 0;
              }
              ShowDataSource = _listSubSource.GetRange(index, Count).Where(z => z.CompleteQte > 0);
              CurrentIndex = index+Count - 1;
          }
      }

        
      /// <summary>
      /// 订阅行情
      /// </summary>
      private void RegReadTimeQuote()
      {
          MessengerHelper.QuoteRegister<List<QuoteGoods>>(this, MessengerTokens.ReceiveRealTikQuote, (quoteList) =>
          {
              if (quoteList == null || !quoteList.Any()) return;
             
                  foreach (var item in quoteList)
                  {
                      if (item == null) continue;
                      if (_currentGoods.Symbol.ToLower() == item.Symbol.ToLower())
                      {
                          if ((item.CurrentPrice == 0 || item.Date == DateTime.MinValue))
                          {
                              continue;   ////竞价不是成交的行情不显示分笔
                          }
                          var penData = new SubPenData(_currentGoods.GoodsParameters.HqExchFigures)
                          {
                              Time = item.Date,
                              Price = (double)item.CurrentPrice,
                              CompleteQte = (double)item.CurrentVolume,
                          };

                          if (null != _listSubSource)
                          {
                              _listSubSource.Add(penData);
                          }
                          else
                          {
                              _listSubSource = new List<SubPenData>();
                              _listSubSource.Add(penData);
                          }
                      }
                  }
                  if (CurrentPage == TotalPage)
                  {
                      SetPageDataSource(0);
                  }
          });
      }

    }
}