//@version=5
indicator("Confirmed Engulfing Breakout Pattern", overlay=true)

//── Helpers
bullish(c) => close[c] > open[c]
bearish(c) => close[c] < open[c]

//── Step 1: Identify the raw engulfing setup
bearishEngulfingRaw = bullish(1) and bearish(0) and close < low[1]
bullishEngulfingRaw = bearish(1) and bullish(0) and close > high[1]

//── Step 2: Confirmation on the *next candle*
bearishConfirmed = bearishEngulfingRaw[1] and close < low[1]
bullishConfirmed = bullishEngulfingRaw[1] and close > high[1]

//── Step 3: Plot arrows on the engulfing candle (1 bar back)
plotshape(bearishConfirmed, title="Confirmed Bearish Engulfing", 
          style=shape.triangledown, location=location.abovebar, 
          color=color.red, size=size.small, offset=-1)

plotshape(bullishConfirmed, title="Confirmed Bullish Engulfing", 
          style=shape.triangleup, location=location.belowbar, 
          color=color.green, size=size.small, offset=-1)

//── Alerts
alertcondition(bearishConfirmed, title="Bearish Engulfing Confirmed Alert", 
     message="Bearish engulfing breakdown confirmed")

alertcondition(bullishConfirmed, title="Bullish Engulfing Confirmed Alert", 
     message="Bullish engulfing breakout confirmed")