Bollinger Bands SR

This simple script base on Bollinger Bands to defined Support and Resistance and marked Bar False broken SR by Reversal Arrow. Detail of rule as below:
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1.Defined Support and Resistance
1.1.Support
+ Key bar:
- Open Price lower than BB lower band, Close Price higher than BB lower band
+ Support Zone:
- Bottom Zone place at Low Price of Key bar
- Top Zone place at Median Price (HL2) of Key bar
1.2.Resistance
+ Key bar:
- Open Price higher than BB upper band, Close Price lower than BB upper band
+ Resistance Zone:
- Bottom Zone place at Median Price (HL2) of Key bar
- Top Zone place at High Price of Key bar
1.3.Median Line
+ Median Line place at half of Range limit by Support and Resistance
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2.Defined False Break
2.1.Defined Bull Trap
+ High Price higher than Top of Resistance Zone
+ Close Price lower than Top of Resistance Zone
+ Open Price higher than Bottom of Resistance Zone
+ Bar Direction is downward
+ Body of current Bar greater than Body of previous bar
2.2.Defined Bear Trap
+ Low Price lower than Bottom of Support Zone
+ Close Price higher than Bottom of Support Zone
+ Open Price lower than Top of Support Zone
+ Bar Direction is upward
+ Body of current Bar greater than Body of previous bar
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3.Defined Reversal Arrow and Alert
+ Arrow Down when Bull Trap appear
+ Arrow Up when Bear Trap appear
+ Alert when Reversal Arrow appear
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4.Trading
4.1.Long Position
+ Consider open positon when Arrow Up appear
+ Stoploss place at Low Price of Arrow Bar
+ Take profit at Resistance Zone
+ Consider Exit Position when:
- Price moving above Median Line and has Bearish Reversal Pattern
4.2.Short Position
+ Consider open positon when Arrow Down appear
+ Stoploss place at High Price of Arrow Bar
+ Take profit at Support Zone
+ Consider Exit Position when:
- Price moving below Median Line and has Bullish Reversal Pattern