script for suddy boi

//@version=3
study("Pivot Reversal Strategy Alerts V2", overlay=true)

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

// Calculate Pivot Points
swh = pivothigh(leftBars, rightBars)
swl = pivotlow(leftBars, rightBars)

swh_cond = not na(swh)

hprice = 0.0
hprice := swh_cond ? swh : hprice[1]

swl_cond = not na(swl)

lprice = 0.0
lprice := swl_cond ? swl : lprice[1]

// Signals
long  = crossover(high, hprice + syminfo.mintick)
short = crossunder(low, lprice - syminfo.mintick)

last_signal = 0

long_final  = long  and (nz(last_signal[1]) == 0 or nz(last_signal[1]) == -1)
short_final = short and (nz(last_signal[1]) == 0 or nz(last_signal[1]) == 1)

last_signal := long_final ? 1 : short_final ? -1 : last_signal[1]

// Plotting
plotshape(long_final,  style = shape.arrowup,   color = green,   location = location.abovebar, text = "Long")
plotshape(short_final, style = shape.arrowdown, color = red,     location = location.belowbar, text = "Short")

plot(lprice, color = red)
plot(hprice, color = green)

// Alerts
alertcondition(long_final,  "Pivot Long",  "Pivot Long")
alertcondition(short_final, "Pivot Short", "Pivot Short")