DrFx Algo MA💎 (V.3.2)

indicator("DrFx Algo MA💎 (V.3.2)", overlay=true, max_lines_count=500, max_labels_count=500, max_boxes_count=500)

grpMain = "Main Flow EMA 🌈"
mainFlowEMA  = input.int(9,  "Main Flow EMA",   minval=1, group=grpMain)
mainFlowEMA2 = input.int(21, "Main Flow EMA 2", minval=1, group=grpMain)

grpTrend = "Trend 📊"
trendEMA1 = input.int(20, "Trend EMA 1", minval=1, group=grpTrend)
trendEMA2 = input.int(50, "Trend EMA 2", minval=1, group=grpTrend)
showTrend = input.bool(false, "Show Trend EMAs", group=grpTrend)
showGlow  = input.bool(false, "✨ Show EMA Glow Effect", group=grpTrend)
showCloud = input.bool(false, "☁️ Show Trend Cloud",   group=grpTrend)

grpRSI = "RSI 📊"
showRSI = input.bool(true, "Show RSI Print", group=grpRSI)
rsiLen  = input.int(14, "RSI Length", minval=1, group=grpRSI)
rsiOB   = input.int(70, "Overbought", group=grpRSI)
rsiOS   = input.int(30, "Oversold",   group=grpRSI)

grpSig = "Buy / Sell Signals 🎯"
showSignals  = input.bool(true, "Show Buy/Sell Signals", group=grpSig)
signalStyle  = input.string("Classic", "Signal Style", options=["Modern","Minimal","Classic"], group=grpSig)
useRSIFilter   = input.bool(true,  "🎯 Use RSI Filter", group=grpSig)
useTrendFilter = input.bool(true,  "📊 Use Trend Filter (EMA 50)", group=grpSig)
useVolumeFilter= input.bool(true,  "📊 Use Volume Filter", group=grpSig)
minBarsBetween = input.int(10,     "⏱️ Min Bars Between Signals", minval=1, group=grpSig)

grpSR = "Support & Resistance 📦"
showSupport    = input.bool(true, "📈 Show Support",    group=grpSR)
showResistance = input.bool(true, "📉 Show Resistance", group=grpSR)
srPivotLen     = input.int(10,    "Pivot Length", minval=3, group=grpSR)
maxSRLines     = input.int(5,     "Max S/R Lines", minval=1, maxval=10, group=grpSR)
srBoxHeight    = input.float(0.2, "Box Height (ATR)", minval=0.05, step=0.05, group=grpSR)

grpZL = "Zero Lag EMA 0️⃣"
showZeroLag = input.bool(false, "Show Zero Lag EMA", group=grpZL)

grpPromo = "Promo Card 📺"
showPromo = input.bool(true, "Show Promo Card", group=grpPromo)
promoPos  = input.string("Top Right", "Position", options=["Top Right","Top Left","Bottom Right","Bottom Left","Middle Right","Middle Left"], group=grpPromo)
promoSize = input.string("Small", "Size", options=["Tiny","Small","Normal"], group=grpPromo)

grpCol = "Colors 🎨"
bullCol       = input.color(#00E676, "Bullish Color (Buy)",  group=grpCol)
bearCol       = input.color(#FF1744, "Bearish Color (Sell)", group=grpCol)
ema1Up        = input.color(#448AFF, "EMA Up Trend",         group=grpCol)
ema1Dn        = input.color(#FF5252, "EMA Down Trend",       group=grpCol)
zlemaFastCol  = input.color(#00E5A0, "ZLEMA Fast",           group=grpCol)
zlemaSlowCol  = input.color(#FF5C7C, "ZLEMA Slow",           group=grpCol)
supportCol    = input.color(#00E676, "Support Color", group=grpCol)
resistanceCol = input.color(#FF1744, "Resistance Color", group=grpCol)

f_zlema(src, len) =>
    lag = math.floor((len - 1) / 2)
    zlemaSrc = src + (src - src[lag])
    ta.ema(zlemaSrc, len)

zlFast = f_zlema(close, mainFlowEMA)
zlSlow = f_zlema(close, mainFlowEMA2)

emaT1 = ta.ema(close, trendEMA1)
emaT2 = ta.ema(close, trendEMA2)

trendUp = emaT1 > emaT2
trendDn = emaT1 < emaT2
emaT1Color = trendUp ? ema1Up : ema1Dn

plot(showTrend and showGlow ? emaT1 : na, "EMA1 Glow", color=color.new(emaT1Color, 90), linewidth=3)
plot1Main = plot(showTrend ? emaT1 : na, "EMA-1 Trend", color=emaT1Color, linewidth=1)

plot(showTrend and showGlow ? emaT2 : na, "EMA2 Glow", color=color.new(emaT1Color, 92), linewidth=3)
plot2Main = plot(showTrend ? emaT2 : na, "EMA-2 Trend", color=color.new(emaT1Color, 50), linewidth=1)

plot(showZeroLag and showGlow ? zlFast : na, "ZLEMA Fast Glow", color=color.new(zlemaFastCol, 88), linewidth=3)
plot(showZeroLag ? zlFast : na, "Zero Lag Fast", color=zlemaFastCol, linewidth=1)

plot(showZeroLag and showGlow ? zlSlow : na, "ZLEMA Slow Glow", color=color.new(zlemaSlowCol, 88), linewidth=3)
plot(showZeroLag ? zlSlow : na, "Zero Lag Slow", color=zlemaSlowCol, linewidth=1)

cloudColor = showCloud and showTrend ? (trendUp ? color.new(ema1Up, 88) : color.new(ema1Dn, 88)) : na
fill(plot1Main, plot2Main, color=cloudColor, title="Trend Cloud")

rsiVal = ta.rsi(close, rsiLen)
rsiBullSig = showRSI and ta.crossover(rsiVal, rsiOS)
rsiBearSig = showRSI and ta.crossunder(rsiVal, rsiOB)

plotshape(rsiBullSig, title="RSI Oversold",   style=shape.triangleup,   location=location.belowbar, color=color.new(bullCol, 20), size=size.tiny)
plotshape(rsiBearSig, title="RSI Overbought", style=shape.triangledown, location=location.abovebar, color=color.new(bearCol, 20), size=size.tiny)

basicBuy  = ta.crossover(zlFast, zlSlow)
basicSell = ta.crossunder(zlFast, zlSlow)

rsiOkBuy  = not useRSIFilter or (rsiVal > 40 and rsiVal < 70)
rsiOkSell = not useRSIFilter or (rsiVal < 60 and rsiVal > 30)

trendOkBuy  = not useTrendFilter or close > emaT2
trendOkSell = not useTrendFilter or close < emaT2

volMA = ta.sma(volume, 20)
volOk = not useVolumeFilter or volume > volMA

var int lastBuyBar  = na
var int lastSellBar = na

barsSinceBuy  = na(lastBuyBar)  ? 9999 : bar_index - lastBuyBar
barsSinceSell = na(last

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