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//@version=4
study(title=\"UT Bot Alerts\", overlay = true)

// ورودی‌ها
a = input(1, title = \"کلید مقدار. 'این حساسیت را تغییر می‌دهد'\")
c = input(10, title = \"دوره ATR\")
h = input(false, title = \"سیگنال‌ها از شمع‌های Heikin Ashi\")

xATR = atr(c)
nLoss = a * xATR

src = h ? security(heikinashi(syminfo.tickerid), timeframe.period, close, lookahead = false) : close

xATRTrailingStop = 0.0
xATRTrailingStop := iff(src > nz(xATRTrailingStop , 0) and src > nz(xATRTrailingStop , 0), max(nz(xATRTrailingStop ), src - nLoss),
iff(src < nz(xATRTrailingStop , 0) and src < nz(xATRTrailingStop , 0), min(nz(xATRTrailingStop ), src + nLoss),
iff(src > nz(xATRTrailingStop , 0), src - nLoss, src + nLoss)))

pos = 0
pos :=\tiff(src < nz(xATRTrailingStop , 0) and src > nz(xATRTrailingStop , 0), 1,
iff(src > nz(xATRTrailingStop , 0) and src < nz(xATRTrailingStop , 0), -1, nz(pos , 0)))

xcolor = pos == -1 ? color.red: pos == 1 ? color.green : color.blue

ema = ema(src,1)
above = crossover(ema, xATRTrailingStop)
below = crossover(xATRTrailingStop, ema)

buy = src > xATRTrailingStop and above
sell = src < xATRTrailingStop and below

barbuy = src > xATRTrailingStop
barsell = src < xATRTrailingStop

plotshape(buy, title = \"Buy\", text = \'Buy\', style = shape.labelup, location = location.belowbar, color= color.green, textcolor = color.white, transp = 0, size = size.tiny)
plotshape(sell, title = \"Sell\", text = \'Sell\', style = shape.labeldown, location = location.abovebar, color= color.red, textcolor = color.white, transp = 0, size = size.tiny)

barcolor(barbuy ? color.green : na)
barcolor(barsell ? color.red : na)

alertcondition(buy, \"UT Long\", \"UT Long\")
alertcondition(sell, \"UT Short\", \"UT Short\")"},{