Get Candlestick pattern for intraday trading Code That Actually Works

//@version=5
indicator("Candlestick Patterns for Intraday Trading", shorttitle="Intra Candles", overlay=true)

// Input parameters for customization
showEngulfing = input.bool(true, "Show Engulfing Patterns", group="Patterns")
showHammer = input.bool(true, "Show Hammer/Shooting Star", group="Patterns")
minBodyPct = input.float(0.3, "Min Body Size % of Range", minval=0.1, maxval=1.0, group="Filters")
wickRatio = input.float(2.0, "Min Lower/Upper Wick Ratio", minval=1.0, group="Filters")

// Colors
greenColor = color.new(color.green, 20)
redColor = color.new(color.red, 20)

// Helper functions
bodySize() => math.abs(close - open)
upperWick() => high - math.max(open, close)
lowerWick() => math.min(open, close) - low
rangeSize() => high - low

// Body percentage of range
bodyPct() => rangeSize() > 0 ? bodySize() / rangeSize() : 0

// Bullish Engulfing: Prev bearish, current bullish, engulfs prev body
bullEngulf = close[1] < open[1] and close > open and open < close[1] and close > open[1]

// Bearish Engulfing: Prev bullish, current bearish, engulfs prev body
bearEngulf = close[1] > open[1] and close < open and open > close[1] and close < open[1]

// Hammer: Small body, long lower wick (at least wickRatio times body), small upper wick, in downtrend proxy
isHammer = bodyPct() >= minBodyPct and lowerWick() >= wickRatio * bodySize() and upperWick() <= bodySize() * 0.5 and close[1] < open[1]

// Shooting Star: Small body, long upper wick, small lower wick, in uptrend proxy
shootingStar = bodyPct() >= minBodyPct and upperWick() >= wickRatio * bodySize() and lowerWick() <= bodySize() * 0.5 and close[1] > open[1]

// Plot shapes
plotshape(showEngulfing and bullEngulf, title="Bull Engulf", style=shape.triangleup, location=location.belowbar, color=greenColor, size=size.small)
plotshape(showEngulfing and bearEngulf, title="Bear Engulf", style=shape.triangledown, location=location.abovebar, color=redColor, size=size.small)
plotshape(showHammer and isHammer, title="Hammer", style=shape.circle, location=location.belowbar, color=color.yellow, size=size.small)
plotshape(showHammer and shootingStar, title="Shooting Star", style=shape.circle, location=location.abovebar, color=color.orange, size=size.small)

// Background highlights for strong signals
bgcolor(showEngulfing and bullEngulf ? color.new(greenColor, 90) : na, title="Bull Engulf BG")
bgcolor(showEngulfing and bearEngulf ? color.new(redColor, 90) : na, title="Bear Engulf BG")

// Alerts
alertcondition(bullEngulf, title="Bullish Engulfing Alert", message="Bullish Engulfing detected on {{ticker}} - Potential intraday long!")
alertcondition(bearEngulf, title="Bearish Engulfing Alert", message="Bearish Engulfing detected on {{ticker}} - Potential intraday short!")
alertcondition(isHammer, title="Hammer Alert", message="Hammer pattern on {{ticker}} - Bounce setup for intraday!")
alertcondition(shootingStar, title="Shooting Star Alert", message="Shooting Star on {{ticker}} - Reversal short setup!")

// Table for summary (optional display)
if barstate.islast
    var table infoTable = table.new(position.top_right, 2, 4, bgcolor=color.white, border_width=1)
    table.cell(infoTable, 0, 0, "Pattern", text_color=color.black, bgcolor=color.gray)
    table.cell(infoTable, 1, 0, "Status", text_color=color.black, bgcolor=color.gray)
    table.cell(infoTable, 0, 1, "Engulfing", text_color=color.black)
    table.cell(infoTable, 1, 1, showEngulfing ? "ON" : "OFF", text_color=showEngulfing ? color.green : color.red)
    table.cell(infoTable, 0, 2, "Hammer/SS", text_color=color.black)
    table.cell(infoTable, 1, 2, showHammer ? "ON" : "OFF", text_color=showHammer ? color.green : color.red)
    table.cell(infoTable, 0, 3, "Body Filter", text_color=color.black)
    table.cell(infoTable, 1, 3, str.tostring(minBodyPct * 100, "#.0") + "%", text_color=color.black)