using System;
using System.Windows;
using System.IO;

using Ecng.Serialization;

using StockSharp.Algo;
using StockSharp.Algo.Candles;
using StockSharp.BusinessEntities;
using StockSharp.Configuration;
using StockSharp.Messages;
using StockSharp.Xaml.Charting;

namespace Getting_realtime_candles
{
	/// <summary>
	/// Interaction logic for MainWindow.xaml
	/// </summary>
	public partial class MainWindow
	{
		private CandleSeries _candleSeries;
		private ChartCandleElement _candleElement;

		private readonly Connector _connector = new Connector();
		private const string _connectorFile = "ConnectorFile";

		public MainWindow()
		{
			InitializeComponent();
			if (File.Exists(_connectorFile))
			{
				_connector.Load(new XmlSerializer<SettingsStorage>().Deserialize(_connectorFile));
			}
			CandleSettingsEditor.Settings = new CandleSeries
			{
				CandleType = typeof(TimeFrameCandle),
				Arg = TimeSpan.FromMinutes(5),
			};
		}

		private void Setting_Click(object sender, RoutedEventArgs e)
		{
			if (_connector.Configure(this))
			{
				new XmlSerializer<SettingsStorage>().Serialize(_connector.Save(), _connectorFile);
			}
		}

		private void Connect_Click(object sender, RoutedEventArgs e)
		{
			SecurityPicker.SecurityProvider = _connector;
			_connector.Connect();
		}

		private void SecurityPicker_SecuritySelected(Security security)
		{
			if (security == null) return;

		    var _candleSeries = new CandleSeries(CandleSettingsEditor.Settings.CandleType, security, CandleSettingsEditor.Settings.Arg)
            {
		        BuildCandlesMode = BuildCandlesModes.LoadAndBuild
		    };

            if (_candleSeries != null) _connector.UnSubscribeCandles(_candleSeries);

		    //var _candleSeries = new CandleSeries(typeof(VolumeCandle), security, 10000m)
		    //var _candleSeries = new CandleSeries(typeof(TickCandle), security, 1000)
		    //var _candleSeries = new CandleSeries(typeof(RangeCandle), security, new Unit(0.1m))
		    //var _candleSeries = new CandleSeries(typeof(RenkoCandle), security, new Unit(0.1m))
		    //var _candleSeries = new CandleSeries(typeof(PnFCandle), security, new PnFArg() { BoxSize = 0.1m, ReversalAmount =1})


            _candleSeries =
				new CandleSeries(CandleSettingsEditor.Settings.CandleType, security, CandleSettingsEditor.Settings.Arg)
				{
					BuildCandlesMode = BuildCandlesModes.LoadAndBuild,
					BuildCandlesFrom = MarketDataTypes.Trades,
					IsCalcVolumeProfile = true
				};

			//-----------------Chart--------------------------------
			Chart.ClearAreas();

			var area = new ChartArea();
			_candleElement = new ChartCandleElement();

			Chart.AddArea(area);
		    _candleElement = new ChartCandleElement();
            Chart.AddElement(area, _candleElement, _candleSeries);

			_connector.SubscribeCandles(_candleSeries, DateTime.Today.Subtract(TimeSpan.FromDays(3)), DateTime.Now);
		    _connector.CandleSeriesProcessing += Connector_CandleSeriesProcessing;

        }

        private void Connector_CandleSeriesProcessing(CandleSeries candleSeries, Candle candle)
		{
			Chart.Draw(_candleElement, candle);
		}
	}
}