Bands PRO++ Full

//version=5
indicator('Faytterro Bands PRO++ Full', overlay=true, max_lines_count=500, max_bars_back=500)

// ==== Inputlar ====
src = input(hlc3, title='Kaynak')
len = input.int(50, title='Bant Uzunluğu', minval=10, maxval=500)
mult = input.float(2.0, minval=0.1, maxval=50, title='StdDev Çarpanı')
atrLen = input.int(14, title='ATR Uzunluğu')
emaLen = input.int(200, title='Trend EMA Uzunluğu')

// Bant Renkleri
cu = input.color(color.rgb(255,50,50), 'Üst Bant Rengi')
cl = input.color(color.rgb(50,200,50), 'Alt Bant Rengi')

// ==== Orta Hat ve Bantlar ====
basis = ta.wma(src, len)
dev = mult * ta.stdev(src, len)
atr = ta.atr(atrLen)

upper = basis + dev + atr*0.2
lower = basis - dev - atr*0.2

plot(basis, color=color.yellow, linewidth=1)
p1 = plot(upper, color=cu, linewidth=2, title='Üst Bant')
p2 = plot(lower, color=cl, linewidth=2, title='Alt Bant')
fill(p1, p2, color=color.new(color.blue,85))

// ==== Trend filtresi (EMA200) ====
emaTrend = ta.ema(close, emaLen)
isUpTrend = close > emaTrend
isDownTrend = close < emaTrend
plot(emaTrend, color=color.new(color.orange,40), linewidth=1, title='EMA Trend Çizgisi')

// ==== Arka Plan ====
bgcolor(isUpTrend ? color.new(color.green,70) : na)
bgcolor(isDownTrend ? color.new(color.red,70) : na)

// ==== Hacim filtresi ====
volAvg = ta.sma(volume, 20)
volFilter = volume > volAvg

// ==== Sinyaller ====
longCond = ta.crossover(close, lower) and isUpTrend and volFilter
shortCond = ta.crossunder(close, upper) and isDownTrend and volFilter

plotshape(longCond, title='Long', location=location.belowbar, color=color.green, style=shape.triangleup, size=size.normal, text='LONG')
plotshape(shortCond, title='Short', location=location.abovebar, color=color.red, style=shape.triangledown, size=size.normal, text='SHORT')

// ==== Alt / Üst Band Dokunuşları ====
touchLower = ta.crossover(close, lower)
plotshape(touchLower, title='Alt Band Dokunuş', style=shape.circle, color=color.new(color.green,0), size=size.tiny, location=location.belowbar)

touchUpper = ta.crossunder(close, upper)
plotshape(touchUpper, title='Üst Band Dokunuş', style=shape.circle, color=color.new(color.red,0), size=size.tiny, location=location.abovebar)

// ==== Alarm Koşulları ====
alertcondition(longCond, title='Long Sinyali', message='Faytterro Bands PRO++ Full: Long sinyali!')
alertcondition(shortCond, title='Short Sinyali', message='Faytterro Bands PRO++ Full: Short sinyali!')
alertcondition(touchLower, title='Alt Band Dokunuş', message='Faytterro Bands PRO++ Full: Alt banda dokunuldu!')
alertcondition(touchUpper, title='Üst Band Dokunuş', message='Faytterro Bands PRO++ Full: Üst banda dokunuldu!')