PATI indicator

using System;
using cAlgo.API;
using cAlgo.API.Internals;
using cAlgo.API.Indicators;
using cAlgo.Indicators;

namespace cAlgo.Indicators
{
    [Indicator(IsOverlay = true, TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]
    public class PATI : Indicator
    {
//-----------PARAMETER---------------------------      
        [Parameter("Initial Account Balance", DefaultValue = 10000)]
        public double IAB { get; set; }

        [Parameter("Stop Loss Risk (%)", DefaultValue = 0.5)]
        public double stopLossRiskPercent { get; set; }

        [Parameter(DefaultValue = 0)]
        public double AsiaOpen { get; set; }

        [Parameter(DefaultValue = 6)]
        public double AsiaClose { get; set; }

        [Parameter("Position Size Calculator", DefaultValue = 1)]
        public bool info { get; set; }

        public double pipsrisk;
        public double max;
        public double min;

        protected override void Initialize()
        {
        }
        public override void Calculate(int index)
        {
            DisplayInfo();

// Max and Min of Previous Day
            DateTime today = MarketSeries.OpenTime[index].Date;
            DateTime tomorrow = today.AddDays(1);
            DateTime aftertomorrow = today.AddDays(2);
            DateTime monday = today.AddDays(3);
            DateTime tuesday = today.AddDays(4);

            double high = MarketSeries.High.LastValue;
            double low = MarketSeries.Low.LastValue;

            for (int i = MarketSeries.Close.Count - 1; i > 0; i--)
            {
                if (MarketSeries.OpenTime[i].Date < today)
                    break;

                high = Math.Max(high, MarketSeries.High[i]);
                low = Math.Min(low, MarketSeries.Low[i]);
            }
            ChartObjects.DrawLine("high " + tomorrow, tomorrow, high, aftertomorrow, high, Colors.Cyan, 1, LineStyle.DotsRare);
            ChartObjects.DrawLine("low " + tomorrow, tomorrow, low, aftertomorrow, low, Colors.Cyan, 1, LineStyle.DotsRare);

            if (today.DayOfWeek == DayOfWeek.Friday)
            {
                ChartObjects.DrawLine("high " + monday, monday, high, tuesday, high, Colors.Cyan, 1, LineStyle.DotsRare);
                ChartObjects.DrawLine("low " + monday, monday, low, tuesday, low, Colors.Cyan, 1, LineStyle.DotsRare);
            }

// Max and Min of Asia Session
            DateTime asiaopen = MarketSeries.OpenTime[index].Date.AddHours(AsiaOpen);
            DateTime asiaclose = MarketSeries.OpenTime[index].Date.AddHours(AsiaClose);
            if ((MarketSeries.OpenTime[index].Hour >= AsiaOpen & MarketSeries.OpenTime[index].Hour < AsiaClose) || (MarketSeries.OpenTime[index].Hour == AsiaClose & MarketSeries.OpenTime[index].Minute == 0))
            {
                if (MarketSeries.OpenTime[index].Hour == AsiaOpen & MarketSeries.OpenTime[index].Minute == 0)
                {
                    max = MarketSeries.High.LastValue;
                    min = MarketSeries.Low.LastValue;
                }
                else
                {

                    if (MarketSeries.High.LastValue > max)
                        max = MarketSeries.High.LastValue;
                    if (MarketSeries.Low.LastValue < min)
                        min = MarketSeries.Low.LastValue;
                }
            }

            if (MarketSeries.OpenTime[index].Hour == AsiaClose & MarketSeries.OpenTime[index].Minute == 0)
            {
                ChartObjects.DrawLine("Max" + max, asiaopen, max, asiaclose, max, Colors.Gray);
                ChartObjects.DrawLine("Min" + max, asiaopen, min, asiaclose, min, Colors.Gray);
                double range = Math.Round((max - min) / Symbol.PipSize, 2);
                string Range = "R= " + string.Format("{0}", range);
                ChartObjects.DrawText("Range" + index, Range, index, min, VerticalAlignment.Bottom, HorizontalAlignment.Left, Colors.White);
            }

        }

// Position Size Calculator        
        private void DisplayInfo()
        {
            string price = "" + MarketSeries.Close.LastValue;
            ChartObjects.DrawText("Price", price, StaticPosition.TopLeft, Colors.Green);

            var spread = Math.Round(Symbol.Spread / Symbol.PipSize, 2);
            string text = string.Format("{0}", spread);
            ChartObjects.DrawText("Label", "\n" + "Spread:" + "\n" + "SL:", StaticPosition.TopLeft, Colors.White);

            if (spread <= 1)
                ChartObjects.DrawText("spread", "\n" + "\t" + text, StaticPosition.TopLeft, Colors.Green);
            if (spread > 1 & spread <= 3)
                ChartObjects.DrawText("spread", "\n" + "\t" + text, StaticPosition.TopLeft, Colors.Yellow);
            if (spread > 3)
                ChartObjects.DrawText("spread", "\n" + "\t" + text, StaticPosition.TopLeft, Colors.Red);


            string pair = MarketSeries.SymbolCode;
            if (pair == "EURUSD" || pair == "USDCHF" || pair == "EURGBP")
            {
                pipsrisk = 8;
            }
            if (pair == "EURJPY" || pair == "GBPUSD" || pair == "AUDUSD" || pair == "USDJPY" || pair == "USDCAD" || pair == "NZDUSD")
            {
                pipsrisk = 10;
            }
            if (pair == "GBPJPY" || pair == "AUDJPY" || pair == "CADJPY")
            {
                pipsrisk = 12;
            }

            double costPerPip = (double)((int)(Symbol.PipValue * 10000000)) / 100;
            string size = "" + Math.Round((IAB * stopLossRiskPercent / 100) / (pipsrisk * costPerPip), 2);
            ChartObjects.DrawText("Pipsrisk", "\n" + "\n" + "\t" + pipsrisk, StaticPosition.TopLeft, Colors.Gray);


            if (info == true)
            {
                ChartObjects.DrawText("Size", "\n" + "\n" + "\n" + "Size:", StaticPosition.TopLeft, Colors.White);
                ChartObjects.DrawText("Position Size", "\n" + "\n" + "\n" + "\t" + size, StaticPosition.TopLeft, Colors.Gray);
            }
        }
    }
}