ATR Trading Setup

This simple script base on function of ATR Trailing Stop (aka SuperTrend) to plot Trading Setup on chart with detail as below:
1. Type of Average True Range (ATR)
+ The function calculate ATR may base on 1 of 3 type of Average: RMA, SMA, EMA
2. Trading Setup
2.1 Long setup
+ SuperTrend is upTrend
+ Entry Long at (or below) last value ATR Trailing Stop of Previous Trend (DownTrend)
+ Stop loss at first value ATR Trailing Stop of now Trend (upTrend)
+ Take profit at first value ATR Trailing Stop of Previous Trend (downTrend)
+ Move stop loss follow ATR Trailing Stop (green dot)
2.1 Short setup
+ SuperTrend is downTrend
+ Entry Short at (or above) last value ATR Trailing Stop of Previous Trend (upTrend)
+ Stop loss at first value ATR Trailing Stop of now Trend (downTrend)
+ Take profit at first value ATR Trailing Stop of Previous Trend (upTrend)
+ Move stop loss follow ATR Trailing Stop (red dot)