using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using System.Windows.Forms.Integration;
using TradeIdeas.XML;
using System.Xml;
using TradeIdeas.MiscSupport;
using TradeIdeas.TIProData;
using Label = System.Windows.Controls.Label;
using System.Globalization;
using static TradeIdeas.TIProGUI.EnhancedSingleStockWindow.TopListPanel;

namespace TradeIdeas.TIProGUI.EnhancedSingleStockWindow
{
    public class SimilarTab : TabItem, IMasterWindowResize
    {
        private WPF_SingleStock _mainWindow = null;
        private Grid _hostGrid = null;
        private WindowsFormsHost _host = new WindowsFormsHost();
        private TopListPanel _tPanel = new TopListPanel();
        private int startSymbolTally = 0; // tells us when we should ultimately give a server call within the Similar Tab go get data when we're in the Competitor mode
        private Grid _dataPanel;
        private StackPanel _pnlTopList;
        private Label _lblPriceSimilar;
        private Label _lblChangeDollarPercentSimilar;
        private Label _lblCompanyNameSimilar;
        private Label _lblTimeSimilar;
        private Label _lblDateSimilar;
        private string _timeString = "";
        private const int SCROLL_BAR_OFFSET = 6;
        private const int DATA_PANEL_HEIGHT = 61;
        public SimilarTab()
        { }

        public void setStartSymbolTally(int startTally)
        {
            startSymbolTally = startTally;
        }

        public void setSingleStockWindowInstance(WPF_SingleStock instance)
        {
            _mainWindow = instance;
            _hostGrid = instance.hostGrid;
            _dataPanel = instance.dataPanel;
            _pnlTopList = instance.pnlTopList;
            //labels
            _lblPriceSimilar = instance.lblPriceSimilar;
            _lblChangeDollarPercentSimilar = instance.lblChangeDollarPercentSimilar;
            _lblCompanyNameSimilar = instance.lblCompanyNameSimilar;
            _lblTimeSimilar = instance.lblTimeSimilar;
            _lblDateSimilar = instance.lblDateSimilar;
            //set event handlers
            _mainWindow.formLoadedEvent += _MaininWindow_formLoadedEvent;
            _mainWindow.receiveTopListDataEvent += MainWindow_receiveTopListDataEvent;
            _mainWindow.subIndustryReceivedEvent += _mainWindow_subIndustryReceivedEvent;
            _mainWindow.onPriceActionDataReceived += _mainWindow_onPriceActionDataReceived;
        }

        private void MainWindow_receiveTopListDataEvent(TopListInfo metaData, RowData rowData, DateTime? start, DateTime? end, bool validDataReceived)
        {
            if (validDataReceived)
            {
                _lblDateSimilar.Visibility = Visibility.Visible;
                _lblTimeSimilar.Visibility = Visibility.Visible;
                getTimeString(start, end);
                processUserNonchangeables(rowData);
            }
            else
            {
                _lblDateSimilar.Visibility = Visibility.Hidden;
                _lblTimeSimilar.Visibility = Visibility.Hidden;
            }
        }

        private void getTimeString(DateTime? start = null, DateTime? end = null)
        {
            StringBuilder result = new StringBuilder();
            string dateDetail = "";
            _lblDateSimilar.Content = "";  // Not used anymore.
            if (null != end)
                result.Append(((DateTime)end).ToString(GuiEnvironment.AlertTimeShortFormat));
            else if (null != start)
                result.Append(((DateTime)start).ToString(GuiEnvironment.AlertTimeShortFormat));
            if ((null != start) || (null != end))
            {
                DateTime date = end.HasValue ? end.Value : start.Value;
                try
                {
                    string dateFormat = GuiEnvironment.XmlConfig.Node("DATE_FORMAT").PropertyForCulture("TEXT", "M/d/yyyy");
                    if (null != dateFormat)
                    {

                        if (null != end)
                        {
                            dateDetail = end.Value.ToString(dateFormat);
                        }
                        else if (null != start)
                        {
                            dateDetail = start.Value.ToString(dateFormat);
                        }
                    }
                    else
                    {
                        dateDetail = "";
                    }
                }
                catch
                {
                    // Presumaly a bad value in the file could lead us here.  By default print nothing.
                }
            }
            // _timeString always include the month, date, and year.
            _timeString = result.ToString() + " " + dateDetail;
        }

        private void _mainWindow_onPriceActionDataReceived(Double ry, Double rv, Double fcp, Double r10D, Double r3mo, Double r6mo)
        {
            _tPanel.setPriceActionData( ry, rv,fcp, r10D, r3mo, r6mo);
        }

        private void _mainWindow_subIndustryReceivedEvent(string subIndustry,string industry,string industryGroup,string subSector,string sector)
        {
            string retVal;
            Sector info;
            if (subIndustry != "")
            {
                retVal = subIndustry;
                info = Sector.SUB_INDUSTRY;
            }
            else if (subIndustry == "" && industry != "")
            {
                retVal = industry;
                info = Sector.INDUSTRY;
            }
            else if (industry == "" && industryGroup != "")
            {
                retVal = industryGroup;
                info = Sector.INDUSTRY_GROUP;
            }
            else if (industryGroup == "" && subSector != "")
            {
                retVal = subSector;
                info = Sector.SUB_SECTOR;
            }
            else
            {
                retVal = sector;
                info = Sector.SECTOR;
            }
            _tPanel.setRawSectorDataStrings(sector.Trim(),subSector.Trim(), industryGroup.Trim(), industry.Trim(), subIndustry.Trim());
            if (startSymbolTally == 1)
                _tPanel.onNewDataForCompetitorSymbol(retVal, info);
        }

        private void _MaininWindow_formLoadedEvent(double mainWindowWidth)
        {
            _host.Child = _tPanel;
            _pnlTopList.Children.Add(_host);
            _tPanel.beginToplist();  //on duplication, this is fired before "startTopList(); but both are needed so that the datagrid gets populated properly(all columns)
        }

        public void unLoadEventHandlers()
        {
            _mainWindow.formLoadedEvent -= _MaininWindow_formLoadedEvent;
            _mainWindow.receiveTopListDataEvent -= MainWindow_receiveTopListDataEvent;
            _mainWindow.subIndustryReceivedEvent -= _mainWindow_subIndustryReceivedEvent;
            _mainWindow.onPriceActionDataReceived -= _mainWindow_onPriceActionDataReceived;
            _tPanel.unLoadEventHandlers();
            stopToplistData();
        }

        public String getConfigString()
        {
            return _tPanel.getConfig();
        }

        public void startTopList() // this is fired when the tab selection is changed to this tab(handler in WPF_SingleStock.xaml.cs
        {
            _tPanel.beginToplist();//weird that I need to call this again, if navigating for the first time here after a new single stock window has been created.
        }

        private void processUserNonchangeables(RowData rowData) //The "non-grid" items(i.e. stuff not configured  from config window
        {
            _lblPriceSimilar.FontSize = 36;
            _lblPriceSimilar.Content = (DetailsTab.getDoubleString(rowData, "c_Price", 2) == "***") ? "" : DetailsTab.getDoubleString(rowData, "c_Price", 2);
            double test = DetailsTab.getTextLength(_lblPriceSimilar.Content.ToString(), _lblPriceSimilar);
            if (test > 141)
            {
                _lblPriceSimilar.FontSize = 24;
                _lblPriceSimilar.Margin = new Thickness(0, 10, 0, 0);
            }
            else
            {
                _lblPriceSimilar.FontSize = 36;
                _lblPriceSimilar.Margin = new Thickness(0, 0, 0, 0);
            }

            string exchangeName = rowData.GetExchange();
            string symbl = _mainWindow.getCurrentSymbol();
            string exchangeSymbolContent = "(" + exchangeName + ":" + symbl + ")";
            _lblCompanyNameSimilar.Content = rowData.GetCompanyName() + " " + exchangeSymbolContent;
            _lblTimeSimilar.Content = _timeString;
            decimal changeDollar = 0;
            double changePercent = 0;
            if (rowData.Data.ContainsKey("c_FCP") && rowData.Data.ContainsKey("c_FCD") && ServerFormats.TryParse(rowData.GetAsString("c_FCP"), out changePercent) && Decimal.TryParse(rowData.GetAsString("c_FCD"), NumberStyles.Any | NumberStyles.AllowThousands, CultureInfo.InvariantCulture, out changeDollar))
            {
                Brush textColor;
                string textPrefix = "";
                if (changeDollar > 0)
                {
                    textPrefix = "+ ";
                    textColor = System.Windows.Media.Brushes.Green;
                }
                else if (changeDollar < 0)
                {
                    textColor = Brushes.Red;
                }
                else
                {
                    textColor = Brushes.Black;
                }
                string chgDollar = textPrefix + Math.Round(changeDollar, 2).ToString("#,0.00");
                string chgPercent = " (" + Math.Round(changePercent, 2).ToString("0.00") + "%)";
                _lblChangeDollarPercentSimilar.Content = chgDollar + chgPercent;
                _lblChangeDollarPercentSimilar.Foreground = textColor;
            }
        }

        private void clearLabelData() //set to "" when one enters invalid string. This method clears out *non-grid* data in the details tab,
        {
            _lblCompanyNameSimilar.Content = "";
            _lblChangeDollarPercentSimilar.Content = "";
            _lblPriceSimilar.Content = "";
        }

        public void onMasterWindowResize(SizeChangedEventArgs e)
        {
            //In the designer, we have this set as Horizontal Alignment.Stretch.  We then
            // change to HorizontalAlignment.Left in this code block.  This is when we resize, it
            // ensures that the left side of the grid stays "anchored" to the window. If we kept it
            // at HorizontalAlignment.Stretch, we have an ever-increasing white gap between the grid and the 
            //left edge of its container when the width is reduced.
            if (_hostGrid == null)
                return;
            _hostGrid.HorizontalAlignment = System.Windows.HorizontalAlignment.Left;
            Double newHeight = _hostGrid.Height - DATA_PANEL_HEIGHT;
            if (newHeight < 0)
                newHeight = 0;
            _pnlTopList.Height = newHeight;
            if ((int)e.NewSize.Width >= SCROLL_BAR_OFFSET)
                _hostGrid.Width = _host.Width = _tPanel.Width = (int)e.NewSize.Width - SCROLL_BAR_OFFSET;
            else
                _hostGrid.Width = _host.Width = _tPanel.Width = (int)e.NewSize.Width;
        }
        public void setCurrentSymbol(string symbol)
        {
            _tPanel.setCurrentSymbol(symbol);
        }
        public TopListPanel getTopListPanel()
        {
            return _tPanel;
        }
        public void setSymbolLinking(bool symbolLinkingEnabled)
        {
            _tPanel.setSymbolLinking(symbolLinkingEnabled);
        }
        public void setValidSymbolStatus(bool value)
        {
            _tPanel.setValidSymbolStatus(value);
        }
        public void setOutsideMarketHours(bool value)
        {
            _tPanel.setOutsideMarkeHours(value);
        }
        public bool getValidSymbolStatus()
        {
            return _tPanel.getValidSymbolStatus();
        }
        public void stopToplistData()
        {
            _tPanel.stopTopListData();
        }
        public void setViewModeOnRestore(TopListPanel.ViewMode vM) //for duplication/layoutPurposes
        {
            _tPanel.setViewModeOnRestore(vM);
        }
        public TopListPanel.ViewMode getViewMode() //for duplication/layoutPurposes
        {
            return _tPanel.getViewMode();
        }
        public void clearData() //this is fired when invalid symbol is entered.
        {
            _tPanel.clearData();
            clearLabelData();
        }
        public void duplicate()
        {
            _tPanel.duplicate();
        }
        public XmlNode saveGridColumnForDuplication(XmlNode description)
        {
            XmlNode retVal =  _tPanel.saveGridColumnForDuplication(description);
            return retVal;
        }
        //The below getters/setters used a lot specifically for duplication process of the whole single stock window. We're
        //getting and setting values for the Toplist Panel.
        public void setPriceActionNode(XmlNode node)
        {
            _tPanel.setPriceActionNode(node);
        }
        public void setCompetitorNode(XmlNode node)
        {
            _tPanel.setCompetitorNode(node);
        }
        public String getSubindustryString()
        {
           return _tPanel.getSubindustryString();
        }
        public void setSubindustryOnRestore(String s)
        {
            _tPanel.setSubindustryOnRestore(s);
        }
        public bool getLocalSortEnabled()
        {
           return _tPanel.getLocalSortEnabled();
        }
        public void setLocalSortEnabled(bool value)
        {
            _tPanel.setLocalSortEnabled(value);
        }
        public String getLocalSortCode()
        {
            return _tPanel.getLocalSortCode();
        }
        public void setLocalSortCode(string code)
        {
            _tPanel.setLocalSortCode(code);
        }
        public String getLocalSortType()
        {
            return _tPanel.getLocalSortType();
        }
        public void setLocalSortType(TopListSortType t)
        {
            _tPanel.setLocalSortType(t);
        }
        public void updateColumnListStateOnLostFocus()
        {
            _tPanel.updateColumnListStateOnLostFocus();
        }
    }
}