Strong Engulfing Candlestick (With Alerts)

Detect only Strong Bullish and Strong Bearish Engulfing candle patterns and provide visual signals along with alerts.

Key Features
Bullish Engulfing Detection:

Conditions:
Current candle's close > open (bullish).
Previous candle's close < open (bearish).
Current candle's high ≥ Previous candle's high (includes wicks).
Current candle's low ≤ Previous candle's low (includes wicks).
The body of the current bullish candle is stronger than the previous bearish candle.
Signal: Plots a green upward arrow below the bar when conditions are met.

Bearish Engulfing Detection:
Conditions:
Current candle's close < open (bearish).
Previous candle's close > open (bullish).
Current candle's high ≥ Previous candle's high (includes wicks).
Current candle's low ≤ Previous candle's low (includes wicks).
The body of the current bearish candle is stronger than the previous bullish candle.
Signal: Plots a red downward arrow above the bar when conditions are met.
Alerts:

Custom alerts are included for both bullish and bearish engulfing patterns:
Bullish Alert Message: "Strong Bullish Engulfing detected!"
Bearish Alert Message: "Strong Bearish Engulfing detected!"