using System;
using System.Collections.Generic;
using TSLab.Script;
using TSLab.Script.Handlers;
using TSLab.Script.Helpers;

namespace Number
{  public class NumberHigh : IBar2DoubleHandler
    {
        [HandlerParameter(true, "1", Min = "0", Max = "10", Step = "1")]
        public int Session
        {
            get;
            set;
        }
        public IList<double> Execute(ISecurity source)
        {
            var bars = source.Bars;
        	var high = source.HighPrices;
            var res = new double[bars.Count];
            var aa = new double[bars.Count];
            var nn = new double[bars.Count];
            if (res.Length > 0)
            {
                var curRes = new List<double>();
                for (int i = 0; i <= Session; i++)
                {
                    curRes.Add(bars[0].High);
                }
                var a = 0;
                var n = 1;
                
                for (int i = 10; i < res.Length; i++)
                {   
                    if (bars[i - 1].Date.Day != bars[i].Date.Day)
                    {   a=0;
                    	n=1;
                        curRes.RemoveAt(0);
                        curRes.Add(bars[i].High);
                        
                    }
                    else {n=n+1;}
                    curRes[Session] = Math.Max(curRes[Session], bars[i].High);
                    if (high[i]==curRes[0]) {a=0;res[i]= a;}
                    else {a=a+1;}
                    aa[i]=a;
                    nn[i]=n;
                    res[i]=nn[i-n]-aa[i-n];
                    
                    }
            }
            return res;
        }
    }	
	public class NumberLow : IBar2DoubleHandler
    {
        [HandlerParameter(true, "1", Min = "0", Max = "10", Step = "1")]
        public int Session
        {
            get;
            set;
        }
        public IList<double> Execute(ISecurity source)
        {
            var bars = source.Bars;
        	var low = source.LowPrices;
            var res = new double[bars.Count];
            var aa = new double[bars.Count];
            var nn = new double[bars.Count];
            if (res.Length > 0)
            {
                var curRes = new List<double>();
                for (int i = 0; i <= Session; i++)
                {
                    curRes.Add(bars[0].Low);
                }
                var a = 0;
                var n = 1;
                
                for (int i = 10; i < res.Length; i++)
                {   
                    if (bars[i - 1].Date.Day != bars[i].Date.Day)
                    {   a=0;
                    	n=1;
                        curRes.RemoveAt(0);
                        curRes.Add(bars[i].Low);
                        
                    }
                    else {n=n+1;}
                    curRes[Session] = Math.Min(curRes[Session], bars[i].Low);
                    if (low[i]==curRes[0]) {a=0;res[i]= a;}
                    else {a=a+1;}
                    aa[i]=a;
                    nn[i]=n;
                    res[i]=nn[i-n]-aa[i-n];
                    
                    }
            }
            return res;
        }
    }	
	public class NumberClose : IBar2DoubleHandler
	{public IList<double> Execute(ISecurity source)
		{
			var bars = source.Bars;
			var closes = source.ClosePrices;
			var n = new double[bars.Count];
		    var list = new double[closes.Count];
		        var x = 0;
		        for (int i = 1;i < closes.Count; i++)
		    {	var curD = source.Bars[i].Date;
		        var curD1 = source.Bars[i-1].Date;
		       
		        if (curD.Day == curD1.Day)
		        {
		        x = x+1;
		        n[i]=x;
		        list[i] = n[i-x];
                }
else
{
                x = 1;
                n[i]=x;
                list[i] = n[i-x];
}                 	       
}
		    return list;
		}		
	}
}