using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using TSLab.Script;
using TSLab.Script.Handlers;
using TSLab.Script.Helpers;
using TSLab.Script.Optimization;

namespace test
{
    public class test:IExternalScript
    {
        public OptimProperty FastSmaPeriod = new OptimProperty(10, 5, 40, 5);
        public OptimProperty SlowSmaPeriod = new OptimProperty(40, 10, 100, 10);

        public void Execute(IContext ctx, ISecurity sec)
        {
            var smaFast = Series.SMA(sec.GetClosePrices(ctx), 10);
            var smaSlow = Series.SMA(sec.GetClosePrices(ctx),40);
            var tradeFromBar = Math.Max(FastSmaPeriod, SlowSmaPeriod);
            for (int i = tradeFromBar; i < ctx.BarsCount ; i++)
            {
                var pos = sec.Positions.GetActiveForBar(i);

                if (smaFast[i - 1] > smaSlow[i - 1] && smaFast[i] < smaSlow[i])
                    sec.Positions.SellAtMarket(i+1,1,"S");

                if (smaFast[i - 1] < smaSlow[i - 1] && smaFast[i] > smaSlow[i])
                    sec.Positions.BuyAtMarket(i + 1, 1, "L");



                foreach (var position in pos)
                    if ((smaFast[i - 1] > smaSlow[i - 1] && smaFast[i] < smaSlow[i]) 
                        || (smaFast[i - 1] < smaSlow[i - 1] && smaFast[i] > smaSlow[i]))
                        position.CloseAtMarket(i+1,"X");
               
                
            }

            var pane = ctx.CreateGraphPane(sec.ToString(), sec.ToString(), false);
            var color = new Color(System.Drawing.Color.Green.ToArgb());
            pane.AddList(sec.ToString(), sec.ToString(), sec, CandleStyles.BAR_CANDLE, color, PaneSides.RIGHT);
            color = new Color(System.Drawing.Color.Red.ToArgb());
            pane.AddList("fastSma", "fastSma", smaFast, ListStyles.LINE,color,LineStyles.SOLID,PaneSides.RIGHT);
             color = new Color(System.Drawing.Color.Blue.ToArgb());
            pane.AddList("slowSma", "slowSma", smaSlow, ListStyles.LINE, color, LineStyles.SOLID, PaneSides.RIGHT);


            var positionsList = sec.Positions;
            foreach (var pos in positionsList)
                ctx.Log("бар входа: " + pos.EntryBarNum);
        }
    }
}