using GalaSoft.MvvmLight.Messaging;
using IndexFormula.Finance.DataProvider;
using IndexFormula.Finance.Win;
using Muchinfo.Quote;
using Muchinfo.Quote.HistoryClient;
using Muchinfo.Quote.SqliteDal;
using MuchInfo.Chart.App.Quote;
using MuchInfo.Chart.App.ViewModels;
using MuchInfo.Chart.Data.EnumTypes;
using MuchInfo.Chart.Data.Interfaces;
using MuchInfo.Chart.Data.Models;
using MuchInfo.Chart.DataAccess;
using MuchInfo.Chart.WPF.Primitives;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.IO;
using System.Linq;
using System.Threading;
using System.Windows;
using System.Windows.Input;
using System.Windows.Threading;

namespace MuchInfo.Chart.App
{
    /// <summary>
    /// MainWindow.xaml 的交互逻辑
    /// </summary>
    public partial class MainWindow : Window
    {
        private QuoteComponentProxy _quoteComponentProxy;

        #region Constructors

        public MainWindow()
        {
            InitializeComponent();

            var isfake = ConfigurationManager.AppSettings["IsFakeData"];
            if (isfake.ToLower() == "true")
            {
                //另外一种更新数据集方法:通过注册周期改变事件而不须要拖动赋值图表的DataSet
                //this.NewChart.LoadHistoryCycleDataByTimeSpan += new LoadHistoryCycleDataByTimeSpanEventHandler(OnLoadGoodsData);

                this.NewChart.LoadHistoryCycleDataByCycleType += OnLoadGoodsData;
                Messenger.Default.Send<string>(string.Empty, "SetCurrentGoods");
                tempdataPoints = LoadSVC();
                _timerSharingTimer = new DispatcherTimer();
                _timerSharingTimer.Interval = new TimeSpan(0, 0, 0, 0,500);

                _timerSharingTimer.Tick -= _timerSharingTimer_Tick;
                _timerSharingTimer.Tick += _timerSharingTimer_Tick;
                _timerSharingTimer.Start();
            }

            else
            {
                Messenger.Default.Send<string>(string.Empty, "SetCurrentGoods");
                var uri = ConfigurationManager.AppSettings["Quote_Address"];
                _quoteComponentProxy = new QuoteComponentProxy(false, uri);

                _quoteComponentProxy.ResponseHistoryCycle += HistoryClient_ResponseHistoryCycle;

                this.NewChart.LoadHistoryCycleDataByCycleType += OnLoadHistoryCycleDataByCycleType;
            }
        }

        private void HistoryClient_ResponseHistoryCycle(object sender, HistoryCycleResponseEventArgs e)
        {
            var list = e.HisCycle.hisList;
            var result = (list == null || !list.Any()) ? new List<ILineDataPoint>() : list.ToArray().ToDataPointList();

            this.Dispatcher.BeginInvoke(new Action(() =>
            {
                if (this.NewChart.CycleType == CycleType.TimeSharing && e.HisCycle.tSpan == TimeSpan.FromMinutes(1))
                {
                    //更新当前商品集合
                    this.NewChart.UpdateTimeSharingDataPoints(result);
                }
                else if (this.NewChart.CycleType == e.HisCycle.cycle.ToCycleType() ||
                    (e.HisCycle.cycle == Cycle.Custom && this.NewChart.CurrentTimeFrame == e.HisCycle.tSpan))
                {
                    if (this.NewChart.CurrentGoods != null)
                    {
                        if (this.NewChart.CurrentGoods.Symbol == e.HisCycle.Symbol)
                        {
                            //更新当前商品集合
                            this.NewChart.UpdateDataPoints(result);
                        }
                        else
                        {
                            //更新叠加商品集合
                            this.NewChart.UpdateComparisonDataPoints(e.HisCycle.Symbol, result);
                        }
                    }
                }
            }));
        }

        /// <summary>
        /// 测试数据。
        /// </summary>
        /// <param name="source"></param>
        public List<ILineDataPoint> TestData(List<ILineDataPoint> source)
        {
            var outputSource = new List<ILineDataPoint>();
            Random random = new Random(DateTime.Now.Millisecond);

            if (source == null) return outputSource;
            int i = 5;
            foreach (var lineDataPoint in source)
            {
                var bar = lineDataPoint as BarDataPoint;


                var temdata = random.Next(-1, 1);
                if (bar != null)
                { 
                    bar.Low += temdata;
                    bar.High += temdata;
                }
                outputSource.Add(bar);
            }
            return outputSource;
        }


        /// <summary>
        /// Called when [load goods data].
        /// </summary>
        /// <param name="exchangeCode">The exchange code.</param>
        /// <param name="goodsCode">The goods code.</param>
        /// <param name="type">The type.</param>
        /// <param name="startTime">The start time.</param>
        /// <param name="endTime">The end time.</param>
        /// <param name="totalCount">The total count.</param>
        /// <returns>ChartDataSet.</returns>
        private List<ILineDataPoint> OnLoadHistoryCycleDataByCycleType(int exchangeCode, string goodsCode, CycleType type, TimeSpan timeSpan, DateTime startTime, DateTime endTime, int totalCount)
        {
            RetMessageCode messageCode;
            var newType = type.ToCycle();
            var goods = new GoodsInfo(exchangeCode, goodsCode, GoodsType.PreciousMetal, 25, null, 1);
            HistoryCycle[] list;
            if (newType == Cycle.Custom)
            {
                list = _quoteComponentProxy.GetHistoryCycle(exchangeCode, goodsCode, timeSpan, startTime, endTime, (short)totalCount, out messageCode);
            }
            else
            {
                list = _quoteComponentProxy.GetHistoryCycle(goods.Symbol, type.ToCycle(), startTime, endTime, (short)totalCount, out messageCode);
            }

            return list.ToDataPointList();
        }


        void _timerSharingTimer_Tick(object sender, EventArgs e)
        {
            if (_currentIndex > 0)
            {
             

                if (NewChart.CycleType == CycleType.TimeSharing)
                {
                    var barPoint = tempdataPoints[_currentIndex];
                    var count = tempdataPoints.Count - _currentIndex;
                    _currentIndex--;
                    barPoint.Date = DateTime.Now.Date.AddMinutes((int)DateTime.Now.TimeOfDay.TotalMinutes);

                    if (barPoint is IBarDataPoint)
                    {
                        //(barPoint as IBarDataPoint).Volume = _random.Next(0, 60);
                    }

                    NewChart.UpdateTimeShareData(barPoint as IBarDataPoint, NewChart.CurrentGoods.GoodsCode);
                    if (NewChart.ComparisonGoodsList != null && NewChart.ComparisonGoodsList.Any())
                    {
                        var compisonPoint = new BarDataPoint(barPoint.Date, barPoint.Value);
                        compisonPoint.Value += _random.Next(-2, 2);
                        foreach (var goods in NewChart.ComparisonGoodsList)
                        {
                            NewChart.UpdateTimeShareData(compisonPoint as IBarDataPoint, goods.GoodsCode);
                        }
                    }
                }
                else
                {
                    
                    var bar = tempdataPoints.Last();
                    var randomValue =  _random.Next( 95,  105);
                    var lastValue = randomValue*bar.Value/100;
                    var date = DateTime.Now.Date.AddHours(23).AddMinutes(50 + tmpMinutes);
                    var barDataPoint = new BarDataPoint(date, lastValue);
                    var dt = this.DataContext as MainViewModel;
                    dt.TikBarDataPoint = barDataPoint;
                    tmpMinutes++;
                }
            }
        }

        private int tmpMinutes = 0;

        private DispatcherTimer _timerSharingTimer;
        private int _currentIndex = 0;
        private Random _random = new Random(200);
        #endregion Constructors

        #region Methods

        #region Private Methods

        /// <summary>
        /// Gets the data set.
        /// </summary>
        /// <param name="stockName">Name of the stock.</param>
        /// <param name="type">The type.</param>
        /// <returns>ChartDataSet.</returns>
        private ChartDataSet GetDataSet(string stockName, CycleType type)
        {
            var dataAccess = new FileDataAccess();
            //var a = dataAccess.GetDataPoints(stockName, type, DateTime.MinValue, DateTime.Now, 10000);
            var a = dataAccess.GetDataPoints(stockName, type, DateTime.MinValue, DateTime.Now, 1000);

            if (a == null) return null;
            var result = a.Cast<ILineDataPoint>().ToList();
            var dataSet = new ChartDataSet(result);

            return dataSet;
        }

        /// <summary>
        /// Gets the cycle data.
        /// </summary>
        /// <param name="stockName">Name of the stock.</param>
        /// <param name="timeSpan">The time span.</param>
        /// <param name="startTime">The start time.</param>
        /// <param name="endTime">The end time.</param>
        /// <param name="totalCount">The total count.</param>
        /// <returns>IList{ILineDataPoint}.</returns>
        private List<ILineDataPoint> GetCycleData(string stockName, CycleType cycle, TimeSpan timeSpan, DateTime startTime, DateTime endTime, int totalCount)
        {
            //var dataAccess = new FileDataAccess();
            //var a = dataAccess.GetDataPoints(stockName, timeSpan, startTime, endTime, totalCount);

            ////if (a == null) return null;
            ////var result = a.Cast<ILineDataPoint>().ToList();
            ////return result;
            ////return LoadSVC();
          //  _timerSharingTimer.Start();
            if (cycle == CycleType.Minute) //CycleType.TimeSharing)
            {
               // _timerSharingTimer.Start();
                // return CreateTestPoint();
            }
            else
            {
               // _timerSharingTimer.Stop();
              return LoadSVC();
              //  return LoadSVC(timeSpan);

            }

            return CreateTestPoint(stockName, endTime, totalCount);
            //return new List<ILineDataPoint>();
        }


        private List<ILineDataPoint> LoadSVC()
        {
            string fileName = Environment.CurrentDirectory + "\\data\\MSFT.CSV";
            var currentDataManager = new YahooCSVDataManager(Path.GetDirectoryName(fileName), Path.GetExtension(fileName));

            var provider = currentDataManager.LoadYahooCSV(fileName);
            var timeSpan = DateTime.Now - DateTime.FromOADate(provider["DATE"][provider.Count - 1]);
            var dataPoints = new List<ILineDataPoint>();
            for (int i = 0; i < provider.Count - 1; i++)
            {
                var dataPoint = new BarDataPoint(
                   DateTime.FromOADate(provider["DATE"][i]).AddDays(timeSpan.Days),
                    (float)provider["OPEN"][i],
                    (float)provider["HIGH"][i],
                    (float)provider["LOW"][i],
                    (float)provider["CLOSE"][i],
                    (float)provider["VOLUME"][i], 0, 0
                    );
                dataPoints.Add(dataPoint);
            }

            dataPoints = dataPoints.Where((item) => item.Date > DateTime.Now.Date.AddDays(-200)).ToList();
            return dataPoints;
        }

        private List<ILineDataPoint> LoadSVC(TimeSpan timeSpan)
        {
            string fileName = Environment.CurrentDirectory + "\\data\\MSFT.CSV";
            var currentDataManager = new YahooCSVDataManager(Path.GetDirectoryName(fileName), Path.GetExtension(fileName));
            var mintues = (int)timeSpan.TotalMinutes;
            var provider = currentDataManager.LoadYahooCSV(fileName);
            var dataPoints = new List<ILineDataPoint>();
            int index = provider.Count - 1;
            var now = new DateTime(2014, 06, 04, 12, 02, 30, 250);
            for (int i = 0; i < provider.Count - 1; i += mintues)
            {
                index -= mintues;
                var dataPoint = new BarDataPoint(
                    now.AddMinutes(-index),
                    (float)provider["OPEN"][i],
                    (float)provider["HIGH"][i],
                    (float)provider["LOW"][i],
                    (float)provider["CLOSE"][i],
                    (float)provider["VOLUME"][i], 0, 0
                    );

                dataPoints.Add(dataPoint);
            }
            return dataPoints;
        }


        private List<ILineDataPoint> tempdataPoints;

        /// <summary>
        ///  创建测试数据
        /// </summary>
        /// <returns></returns>
        private List<ILineDataPoint> CreateTestPoint(string symbol, DateTime endTime, int totalCount)
        {

            var result = new List<ILineDataPoint>();
            var date = DateTime.Today.AddHours(8);
            var ramdon = new Random(DateTime.Now.Millisecond);

            if (tempdataPoints != null)
            {
                var index = tempdataPoints.Count - 1;
                _currentIndex = tempdataPoints.Count - 1;
                result = tempdataPoints.Where(z => z.Date <= endTime).OrderByDescending(z => z.Date).Take(totalCount).ToList();
            }
            return result;
        }

        /// <summary>
        /// Gets the tik data.
        /// </summary>
        /// <param name="stockName">Name of the stock.</param>
        /// <param name="startTime">The start time.</param>
        /// <param name="endTime">The end time.</param>
        /// <param name="totalCount">The total count.</param>
        /// <returns>IList{ILineDataPoint}.</returns>
        private List<ILineDataPoint> GetTikData(string stockName, DateTime startTime, DateTime endTime, int totalCount)
        {
            var dataAccess = new FileDataAccess();
            var a = dataAccess.GetDataPoints(stockName, new TimeSpan(0, 1, 0), startTime, endTime, totalCount);

            if (a == null) return null;
            var result = a.Cast<ILineDataPoint>().ToList();
            return result;
        }

        /// <summary>
        /// Called when [load goods data].
        /// </summary>
        /// <param name="exchangeCode">The exchange code.</param>
        /// <param name="goodsCode">The goods code.</param>
        /// <param name="timeSpan">The time span.</param>
        /// <param name="startTime">The start time.</param>
        /// <param name="endTime">The end time.</param>
        /// <param name="totalCount">The total count.</param>
        /// <returns>ChartDataSet.</returns>
        private List<ILineDataPoint> OnLoadGoodsData(int exchangeCode, string goodsCode, CycleType cycle, TimeSpan timeSpan, DateTime startTime, DateTime endTime, int totalCount)
        {
            var result = GetCycleData(exchangeCode + goodsCode, cycle, timeSpan, startTime, endTime, totalCount);
            return result;
        }

        /// <summary>
        /// Called when [load history tik price data].
        /// </summary>
        /// <param name="exchangeCode">The exchange code.</param>
        /// <param name="goodsCode">The goods code.</param>
        /// <param name="startTime">The start time.</param>
        /// <param name="endTime">The end time.</param>
        /// <param name="totalCount">The total count.</param>
        /// <returns>IList{ILineDataPoint}.</returns>
        private List<ILineDataPoint> OnLoadHistoryTikPriceData(int exchangeCode, string goodsCode, DateTime startTime, DateTime endTime, int totalCount)
        {
            var result = GetTikData(exchangeCode + goodsCode, startTime, endTime, totalCount);
            return result;
        }

        #endregion Private Methods

        #endregion Methods

        private void BtnOpen_OnClick(object sender, RoutedEventArgs e)
        {
            Thread.CurrentThread.CurrentUICulture = new System.Globalization.CultureInfo(SetLanguage.languageName);
            FormulaSourceEditor.Open("", "");
        }
    }
}