Strategy JMA(7,50,RSI) crossing RSI(14,close)

Hello, i would like to submit a script dealing with Jurik Moving Average Crossing RSI . Also to avoid false positive, i made a test with long/short positions and entry/closing prices but unfortunately it's not working. I may be too noob to Pine.

If you have some ideas to refactor / improve / make this section works:
// ======= DEBUGGGGGGGG ============
long_price = 0.0
short_price = 0.0

if(startTime and endTime)
if(goLong())
long_price := close
strategy.entry("Buy", strategy.long, when = goLong())
strategy.close("Buy", when = killLong() and close > long_price)

// Shorting if using
goShort() => killLong()
killShort() => goLong()

if(startTime and endTime)
if(goShort())
short_price := close
strategy.entry("Sell", strategy.short, when = goShort() and close < short_price)
strategy.close("Sell", when = killShort())
// =========================

Thanks,