//@version=3
study("QuantNomad - Pivot Points Alerts", overlay=true)

//
// author: QuantNomad
// date: 2019-06-17
// Pivot Points Alerts
// https://www.tradingview.com/u/QuantNomad/
// https://t.me/quantnomad
//

leftBars  = input(4)
rightBars = input(2)

swh = pivothigh(leftBars, rightBars)
swl = pivotlow(leftBars, rightBars)

swh_cond = not na(swh)
swl_cond = not na(swl)

plotshape(swh_cond, color = green, style = shape.arrowdown, location = location.abovebar, transp = 90)
plotshape(swl_cond, color = red,   style = shape.arrowup,   location = location.belowbar, transp = 90)

plotshape(swh_cond, text = "PH - SELL", color = green, style = shape.arrowdown, location = location.abovebar, offset = -rightBars)
plotshape(swl_cond, text = "PL - BUY", color = red,   style = shape.arrowup,   location = location.belowbar, offset = -rightBars)

alertcondition(swh_cond, "PH", "PH")
alertcondition(swl_cond, "PL", "PL")