Long/Short with Quality Filter

//version=6
indicator("Long/Short with Quality Filter", overlay=true)

// --- Inputs ---
lenFast = input.int(20, "Fast EMA")
lenSlow = input.int(50, "Slow EMA")
src = close

emaFast = ta.ema(src, lenFast)
emaSlow = ta.ema(src, lenSlow)

rsiLen = input.int(14, "RSI Length")
rsi = ta.rsi(src, rsiLen)

// ---------- FILTER PIECES ----------

// 1. EMAs stacked & angled bullish
emaBullTrend = emaFast > emaSlow and emaFast > emaFast[1] and emaSlow > emaSlow[1]

// 2. Structure break: close > recent high (micro-resistance)
lookbackHH = input.int(10, "Structure lookback (bars)")
brokeStructure = close > ta.highest(high[1], lookbackHH)

// 3. RSI in “trend mode”
rsiBull = rsi > 55 and rsi > rsi[1]

// 4. Full-body breakout candle above EMAs
body = math.abs(close - open)
barRange = high - low
strongBody = barRange > 0 and body > 0.5 * barRange
aboveEMAs = close > emaFast and close > emaSlow
breakoutCandle = strongBody and aboveEMAs

// ✅ Combined long-quality filter
longFilter = emaBullTrend and brokeStructure and rsiBull and breakoutCandle

// --- Your original signals (replace these with your real conditions) ---
rawLong = ta.crossover(emaFast, emaSlow) // example only
rawShort = ta.crossunder(emaFast, emaSlow) // example only

// Apply quality filter
longSignal = rawLong and longFilter

// ----- Optional: mirrored quality filter for shorts -----
emaBearTrend = emaFast < emaSlow and emaFast < emaFast[1] and emaSlow < emaSlow[1]
brokeStructureD = close < ta.lowest(low[1], lookbackHH)
rsiBear = rsi < 45 and rsi < rsi[1]
belowEMAs = close < emaFast and close < emaSlow
strongBodyDown = barRange > 0 and body > 0.5 * barRange and close < open
breakdownCandle = strongBodyDown and belowEMAs

shortFilter = emaBearTrend and brokeStructureD and rsiBear and breakdownCandle
shortSignal = rawShort and shortFilter

// --- Plot signals ---
plotshape(longSignal, title="LONG", style=shape.triangleup, location=location.belowbar, color=color.new(color.lime, 0), size=size.small, text="LONG")
plotshape(shortSignal, title="SHORT", style=shape.triangledown, location=location.abovebar, color=color.new(color.red, 0), size=size.small, text="SHORT")