using System;
using System.Windows.Forms;
using TradeIdeas.TIProData.Configuration;
using TradeIdeas.TIProData.Interfaces;
using TradeIdeas.XML;

// General info about moving averages:  http://www.silverbearcafe.com/private/moveaverage.html
// In particular:
// "For a period-based EMA, "Multiplier" is equal to 2 / (1 + N) where N is the specified number of periods."

namespace TradeIdeas.TIProGUI
{
    public partial class CompareCountConfig : Form
    {

        private IConnectionMaster _connectionMaster;
        private Settings _settings;

        //Start location of this when first brought up...
        private bool _fromScratch = false;

        public CompareCountConfig(IConnectionMaster connectionMaster, Settings settings, bool fromScratch = false)
        {
            _fromScratch = fromScratch;
            _connectionMaster = connectionMaster;
            _settings = settings;
            InitializeComponent();
            MinimizeBox = false;
            this.StartPosition = FormStartPosition.CenterParent;

            //CompareCount.WindowIconCache.SetIcon(this);
            Icon = GuiEnvironment.Icon;

            trackBar1.Value = _settings.SecondsPerDataPoint;
            updateSpeedLabel();
            trackBarThickEMA.Value = (int)(_settings.FastRecentWeight * 100);
            updateThickEMALabel();
            trackBarThinEMA.Value = (int)(_settings.SlowRecentWeight * 100);
            updateThinEMALabel();

            Font = GuiEnvironment.FontSettings;
            if (_fromScratch)
                btnOK.Enabled = true;
        }

        private void ShowConfigWindow(ref string configString)
        {
            ConfigWindowWrapper configWindowWrapper = ConfigWindowWrapper.DefaultFactory(ConfigurationType.Alerts, _connectionMaster);
            configWindowWrapper.InitialConfig = configString;
            configWindowWrapper.HideColumns = true;
            configWindowWrapper.UseCaseName = "CompareCount";
            configWindowWrapper.NotAWindow = true;
            configWindowWrapper.ShowIt();
            if (!configWindowWrapper.Canceled)
            {
                configString = configWindowWrapper.Strategy.MakeConfigString();
                btnOK.Enabled = true;
            }
        }

        private void btnConfigGreen_Click(object sender, EventArgs e)
        {
            ShowConfigWindow(ref _settings.BullConfigString);
        }

        private void btnConfigRed_Click(object sender, EventArgs e)
        {
            ShowConfigWindow(ref _settings.BearConfigString);
        }

        private void btnOK_Click(object sender, EventArgs e)
        {
            this.DialogResult = DialogResult.OK;
        }

        private void btnCancel_Click(object sender, EventArgs e)
        {
            this.DialogResult = DialogResult.Cancel;
        }

        private void btnGreenCollaborate(object sender, EventArgs e)
        {
            CollaborateForm form = new CollaborateForm();
            form.ConfigString = GuiEnvironment.XmlConfig.Node("ALERT_WINDOW").Node("CONFIG_PREFIX").PropertyForCulture("BASE", "***") + _settings.BullConfigString;
            form.ShowDialog(this);
            if (form.DialogResult == System.Windows.Forms.DialogResult.OK)
            {
                if (form.ConfigString != "")
                {
                    _settings.BullConfigString = form.ConfigString;
                }
                btnOK.Enabled = true;
            }
            form.Dispose();
        }

        private void btnRedCollaborate_Click(object sender, EventArgs e)
        {
            CollaborateForm form = new CollaborateForm();
            form.ConfigString = GuiEnvironment.XmlConfig.Node("ALERT_WINDOW").Node("CONFIG_PREFIX").PropertyForCulture("BASE", "***") + _settings.BearConfigString;
            form.ShowDialog(this);
            if (form.DialogResult == System.Windows.Forms.DialogResult.OK)
            {
                if (form.ConfigString != "")
                {
                    _settings.BearConfigString = form.ConfigString;
                }
                btnOK.Enabled = true;
            }
            form.Dispose();
        }

        private void trackBar1_Scroll(object sender, EventArgs e)
        {
            btnOK.Enabled = true;
            updateSpeedLabel();
        }
        private void updateSpeedLabel()
        {
            int seconds = trackBar1.Value;
            label3.Text = "One data point every " + seconds.ToString() + "  seconds.";
            _settings.SecondsPerDataPoint = seconds;
        }
        private void trackBarThickEMA_Scroll(object sender, EventArgs e)
        {
            btnOK.Enabled = true;
            updateThickEMALabel();
        }
        private void updateThickEMALabel()
        {
            int percent = trackBarThickEMA.Value;
            double fraction = percent / 100.0;
            label4.Text = getPeriod(fraction) + " periods, " + percent.ToString() + "%";
            _settings.FastRecentWeight = fraction;
        }

        private void trackBarThinEMA_Scroll(object sender, EventArgs e)
        {
            btnOK.Enabled = true;
            updateThinEMALabel();
        }
        private void updateThinEMALabel()
        {
            int percent = trackBarThinEMA.Value;
            double fraction = percent / 100.0;
            label7.Text = getPeriod(fraction) + " periods, " + percent.ToString() + "%";
            _settings.SlowRecentWeight = fraction;
        }
        private double getPeriod(double fraction)
        {
            return Math.Round((2 - fraction) / fraction);
        }
    }
}