#region Using declarations
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Input;
using System.Windows.Media;
using System.Xml.Serialization;
using NinjaTrader.Cbi;
using NinjaTrader.Gui;
using NinjaTrader.Gui.Chart;
using NinjaTrader.Gui.SuperDom;
using NinjaTrader.Gui.Tools;
using NinjaTrader.Data;
using NinjaTrader.NinjaScript;
using NinjaTrader.Core.FloatingPoint;
using NinjaTrader.NinjaScript.DrawingTools;
#endregion

//////////////////////////////////////////////////////////////////////////////////
// TPandSLdrawing - by BERN ALGOS - January 2023 - Rev01
//
// This indicator draws TP and SL lines over the chart, calculated as below:
// - Take Profit as per ATR values, period programmable by a parameter (default: 5)
// - Risk/Reward ratio, programmable by a parameter from 1/10 to 10 (default: 2)
//////////////////////////////////////////////////////////////////////////////////

namespace NinjaTrader.NinjaScript.Indicators
{
	public class TPandSLdrawing : Indicator
	{
		private ATR				MyATR;
		private	double 			actual_ATRsqrt;
		private	double 			_TP;
		private	double 			_SL;
		private	double 			actual_TP;
		private	double 			actual_SL;		
		
		protected override void OnStateChange()
		{
			if (State == State.SetDefaults)
			{
				Description									= @"TPandSLdrawing";
				Name										= "TPandSLdrawing";
				Calculate									= Calculate.OnBarClose;
				IsOverlay									= true;
				DisplayInDataBox							= false;
				DrawOnPricePanel							= true;
				DrawHorizontalGridLines						= true;
				DrawVerticalGridLines						= true;
				PaintPriceMarkers							= false;
				IsAutoScale									= false;

				IsSuspendedWhileInactive					= true;
				
				P_ATR_Period								= 5; // default ATR period
				P_RiskRewardRatio							= 2; // default Risk/Reward Ratio
			}
			else if (State == State.Configure)
			{
			}
			else if (State == State.DataLoaded)
			{
				MyATR		= ATR(Input, P_ATR_Period);
			}
		}

		protected override void OnBarUpdate()
		{
			if (CurrentBars[0] < P_ATR_Period)  return;
			
			DrawOnPricePanel = true;
			_TP = (int)(MyATR[0]/TickSize);			// Take Profit Ticks
			_SL = (int)(_TP*P_RiskRewardRatio);		// Stop Loss Ticks
			actual_TP = Close[0]+_TP*TickSize;
			actual_SL = Close[0]-_SL*TickSize;
			
			Draw.Line(this, "TP_line1", false, 0, Close[0], -2, actual_TP, Brushes.Green, DashStyleHelper.Solid, 1);
			Draw.Line(this, "TP_line2", false, -2, actual_TP, -4, actual_TP, Brushes.Green, DashStyleHelper.Solid, 1);
			Draw.Line(this, "TP_line3", false, -2, actual_TP, P_ATR_Period, actual_TP, Brushes.Green, DashStyleHelper.DashDotDot,1);
			Draw.Text(this,  "TP_text1", "TP ticks= " + _TP.ToString(), -6, actual_TP, Brushes.White);

			Draw.Line(this, "SL_line1", false, 0, Close[0], -2, actual_SL, Brushes.Red, DashStyleHelper.Solid, 1);
			Draw.Line(this, "SL_line2", false, -2, actual_SL, -4, actual_SL, Brushes.Red, DashStyleHelper.Solid, 1);			
			Draw.Line(this, "SL_line3", false, -2, actual_SL, P_ATR_Period, actual_SL, Brushes.Red, DashStyleHelper.DashDotDot,1);			
			Draw.Text(this,  "SL_text1", "SL ticks= " + _SL.ToString(), -6, actual_SL, Brushes.White);
		}
		
	#region Properties
		[NinjaScriptProperty]
		[Range(1, 25)]
		[Display(Name="P_ATR_Period", Order=1, GroupName="Parameters")]
		public int P_ATR_Period
		{ get; set; }

		[NinjaScriptProperty]
		[Range(0.1, 10)]
		[Display(Name="P_RiskRewardRatio", Order=2, GroupName="Parameters")]
		public double P_RiskRewardRatio
		{ get; set; }
		
	#endregion
	}
}