using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Diagnostics;
using System.Windows.Media.Imaging;
using System.IO;
using TradeIdeas.TIProData;
using TradeIdeas.MiscSupport;

namespace TradeIdeas.TIProGUI.EnhancedSingleStockWindow
{
    public partial class ProfileControl : UserControl
    {
        private Form _parentForm;
        private ToolTip toolTip = new ToolTip();
        FontSize _selectedSize = FontSize.NORMAL;

        private List<Label> _separatorsLabels = new List<Label>();
        private float DATA_LABEL_FONT_SIZE
        {
            get
            {
                switch (_selectedSize)
                {
                    case FontSize.SMALL:
                        return 7.75F;
                    case FontSize.NORMAL:
                        return 9.75F;
                    case FontSize.LARGE:
                        return 11.75F;
                    default:
                        return 9.75F;
                }
            }
        }
        private float TITLE_LABEL_FONT_SIZE
        {
            get
            {
                switch (_selectedSize)
                {
                    case FontSize.SMALL:
                        return 10F;
                    case FontSize.NORMAL:
                        return 12F;
                    case FontSize.LARGE:
                        return 14F;
                    default:
                        return 12F;
                }
            }
        }

        public ProfileControl(Form parentForm)
        {
            _parentForm = parentForm;
            InitializeComponent();

            // some voodoo magic to keep the horizontal scroll bar from appearing when in AutoScroll mode
            pnlBusinessSummary.AutoScroll = false;
            pnlBusinessSummary.HorizontalScroll.Maximum = 0;
            pnlBusinessSummary.VerticalScroll.Visible = false;
            pnlBusinessSummary.AutoScroll = true;

            //set up various event handlers
            ((EnhancedSingleStockDockWindow)_parentForm).receiveTopListDataEvent += MainWindow_receiveTopListDataEvent;
            //_mainWindow.receiveSymbolFromComboEvent += MainWindow_receiveSymbolFromComboEvent;
            //_mainWindow.formLoadedEvent += _MaininWindow_formLoadedEvent;
            ((EnhancedSingleStockDockWindow)_parentForm).onCompanyProfileInfo += MainWindow_onCompanyProfileInfo;

            ClearLabelData();
        }
        private bool _collapsed = false;

        public bool Collapsed
        {
            get { return _collapsed; }
            set { CollapseExpand(value); }
        }

        private void MainWindow_receiveTopListDataEvent(TopListInfo metaData, RowData rowData, DateTime? start, DateTime? end, bool validDataReceived)
        {
            if (validDataReceived)
            {
                //_currentRowData = rowData;
                //visiblityOfFixedLabels(true);
                PopulateProfilePanel(rowData);
            }
            else
            {
                ClearLabelData();
                //visiblityOfFixedLabels(false);
            }
        }

        private void PopulateProfilePanel(RowData rowData)
        {
            profile_0_sector_content.Text = rowData.GetAsString("c_D_Sector", "");
            profile_1_subsector_content.Text = rowData.GetAsString("c_D_SubSector", "");
            profile_2_industrygroup_content.Text = rowData.GetAsString("c_D_IndGrp", "");
            profile_3_industry_content.Text = rowData.GetAsString("c_D_Industry", "");
            profile_4_subindustry_content.Text = rowData.GetAsString("c_D_SubIndustry", "");
        }
        
        public void ClearLabelData()
        {
            profile_0_sector_content.Text = "";
            profile_1_subsector_content.Text = "";
            profile_2_industrygroup_content.Text = "";
            profile_3_industry_content.Text = "";
            profile_4_subindustry_content.Text = "";
            lblBusinessSummary.Text = "";
            lblCompanyWebsite.Text = "";
            picCountry.Image = null;
        }

        private void MainWindow_onCompanyProfileInfo(CompanyProfileInfo profileInfo)
        {
            this.BeginInvokeIfRequired(delegate ()
            {
                lblBusinessSummary.Text = profileInfo.Summary;
                lblCompanyWebsite.Text = profileInfo.Website;
                if (String.IsNullOrWhiteSpace(profileInfo.Website) || String.IsNullOrWhiteSpace(profileInfo.Country))
                {
                    picCountry.Image = null;
                }
                else
                {
                    string countryFileName = @"flags/" + profileInfo.Country.Trim().Replace(' ', '-') + ".png";
                    if (System.IO.File.Exists(countryFileName))
                    {
                        picCountry.Image = Image.FromFile(countryFileName);

                        //ToolTip toolTip = new ToolTip();
                        toolTip.SetToolTip(picCountry, profileInfo.Country);
                    }
                    else
                        picCountry.Image = null;
                }
            });
        }

        public void UnLoadEventHandlers()
        {
            ((EnhancedSingleStockDockWindow)_parentForm).receiveTopListDataEvent -= MainWindow_receiveTopListDataEvent;
            //_mainWindow.receiveSymbolFromComboEvent -= MainWindow_receiveSymbolFromComboEvent;
            //_mainWindow.formLoadedEvent -= _MaininWindow_formLoadedEvent;
            ((EnhancedSingleStockDockWindow)_parentForm).onCompanyProfileInfo -= MainWindow_onCompanyProfileInfo;
        }

        private void lblCompanyWebsite_Click(object sender, EventArgs e)
        {
            if (lblCompanyWebsite.Text.Length > 0)
                Process.Start(lblCompanyWebsite.Text);
        }

        private void pnlBusinessSummary_Resize(object sender, EventArgs e)
        {
            SetBusinessSummaryLabelMaxSize();
        }

        /// <summary>
        /// Set the Business Summary Label Max Size to keep width within containing panel.
        /// </summary>
        private void SetBusinessSummaryLabelMaxSize()
        {
            lblBusinessSummary.MaximumSize = new Size(pnlBusinessSummary.Width - 5 - (pnlBusinessSummary.VerticalScroll.Visible ? SystemInformation.VerticalScrollBarWidth : 0), 0);
        }

        private void CollapseExpand(bool collapse)
        {
            if (collapse && !_collapsed)
            {
                lblCollapseExpand.Text = "+";
                lblBusinessSummaryTitle.Top = label8.Bottom + 5;
                pnlBusinessSummary.Top = lblBusinessSummaryTitle.Bottom;
                pnlProfile.Visible = false;
                _collapsed = true;
            }
            else
            {
                pnlProfile.Visible = true;
                _collapsed = false;
                lblCollapseExpand.Text = "-";
                lblBusinessSummaryTitle.Top = label8.Bottom + pnlProfile.Height + 10;
                pnlBusinessSummary.Top = lblBusinessSummaryTitle.Bottom;
            }
            OnResize(null);
        }

        private void lblCollapseExpand_Click(object sender, EventArgs e)
        {
           CollapseExpand(pnlProfile.Visible);
        }

        public string profileData()
        {
            string result = "";
            try
            {
                result = "Sector: " + profile_0_sector_content.Text + Environment.NewLine;
                result += "SubSector: " + profile_1_subsector_content.Text + Environment.NewLine;
                result += "Industry Group: " + profile_2_industrygroup_content.Text + Environment.NewLine;
                result += "Industry: " + profile_3_industry_content.Text + Environment.NewLine;
                result += "Sub Industry: " + profile_4_subindustry_content.Text + Environment.NewLine;
                result += "Business Summary:" + Environment.NewLine;
                result += lblBusinessSummary.Text + Environment.NewLine;
            }
            catch (Exception e)
            {
                result = "Got exception in profile tab. " + e.Message + ", st=" + e.StackTrace;
            }
            return result;
        }

        private void ProfileControl_Resize(object sender, EventArgs e)
        {
            if (lblCompanyWebsite.Top <= lblBusinessSummaryTitle.Bottom)
                lblBusinessSummaryTitle.Visible = false;
            else
                lblBusinessSummaryTitle.Visible = true;

            pnlBusinessSummary.Height = Math.Max(this.Height - pnlBusinessSummary.Top - 48, 0);
        }
        private void UpdateFontSize()
        {
            lblProfileTitle.Font = new Font(GuiEnvironment.FontSettings.FontFamily, TITLE_LABEL_FONT_SIZE, lblProfileTitle.Font.Style);

            foreach (Control item in pnlProfile.Controls)
            {
                var label = item as Label;
                if (label != null)
                    label.Font = new Font(GuiEnvironment.FontSettings.FontFamily, DATA_LABEL_FONT_SIZE, label.Font.Style);
            }

            var lastSeparatorBottom = pnlProfile.Bottom;
            for (int i = 0; i < 5; i++)
            {
                var labelSeparator = pnlProfile.Controls.OfType<Label>()
                    .Where(c => c.Name.StartsWith("profile_separator_"+i))
                    .FirstOrDefault();
                var labels = pnlProfile.Controls.OfType<Label>()
                    .Where(c => c.Name.StartsWith("profile_" + i))
                    .ToList();
                var prevSeparator = pnlProfile.Controls.OfType<Label>()
                    .Where(c => c.Name.StartsWith("profile_separator_" + (i - 1)))
                    .FirstOrDefault();

                if (prevSeparator != null)
                {
                    foreach (var label in labels)
                    {
                        label.Top = prevSeparator.Bottom + 3;
                    }
                }
                var firstLabel = labels.FirstOrDefault();
                if (firstLabel != null)
                {
                    labelSeparator.Top = firstLabel.Bottom + 3;
                }

                lastSeparatorBottom = labelSeparator.Bottom + 3;
            }
            this.pnlProfile.Height = lastSeparatorBottom;

            lblBusinessSummaryTitle.Top = Collapsed ? label8.Bottom + 5 :this.pnlProfile.Bottom + 5;

            lblBusinessSummaryTitle.Font = new Font(GuiEnvironment.FontSettings.FontFamily, TITLE_LABEL_FONT_SIZE, lblBusinessSummaryTitle.Font.Style);
            lblBusinessSummary.Font = new Font(GuiEnvironment.FontSettings.FontFamily, DATA_LABEL_FONT_SIZE, lblBusinessSummary.Font.Style);

            pnlBusinessSummary.Top =  lblBusinessSummaryTitle.Bottom + 5;
            picCountry.Top = pnlBusinessSummary.Bottom + 5;
            lblCompanyWebsite.Top =  pnlBusinessSummary.Bottom + 10;

            OnResize(null);
        }

        public void SetFontSize (FontSize selectedFontSize)
        {
            this._selectedSize = selectedFontSize;
            this.UpdateFontSize();
        }

        private void ProfileControl_VisibleChanged(object sender, EventArgs e)
        {
            // Sometimes the business summary panel doesn't have the scrollbar when it gets focus.
            // Hopefully, this will fix that.
            pnlBusinessSummary.AutoScroll = true;
        }
    }
}