Get Intraday trading chart patterns Code That Actually Works

//@version=5
indicator("Intraday Chart Patterns Detector", shorttitle="Intraday Patterns", overlay=true)

// Inputs
enableEngulfing = input.bool(true, "Enable Engulfing Patterns")
enableHammer = input.bool(true, "Enable Hammer/Shooting Star")
volThreshold = input.float(1.5, "Volume Threshold Multiplier", minval=1.0)
lookback = input.int(5, "Pattern Lookback Bars", minval=2)

// Engulfing Detection
bullEngulf = enableEngulfing and close[1] < open[1] and close > open and open < close[1] and close > open[1] and volume > ta.sma(volume, lookback) * volThreshold
bearEngulf = enableEngulfing and close[1] > open[1] and close < open and open > close[1] and close < open[1] and volume > ta.sma(volume, lookback) * volThreshold

// Hammer/Shooting Star Detection
bodySize = math.abs(close - open)
upperShadow = high - math.max(open, close)
lowerShadow = math.min(open, close) - low
rangeSize = high - low

isHammer = enableHammer and lowerShadow > 2 * bodySize and upperShadow < bodySize * 0.5 and bodySize > 0 and rangeSize > 0
isShootingStar = enableHammer and upperShadow > 2 * bodySize and lowerShadow < bodySize * 0.5 and bodySize > 0 and rangeSize > 0

// Plots
plotshape(bullEngulf, title="Bullish Engulfing", location=location.belowbar, color=color.green, style=shape.triangleup, size=size.small)
plotshape(bearEngulf, title="Bearish Engulfing", location=location.abovebar, color=color.red, style=shape.triangledown, size=size.small)
plotshape(isHammer, title="Hammer", location=location.belowbar, color=color.lime, style=shape.circle, size=size.tiny)
plotshape(isShootingStar, title="Shooting Star", location=location.abovebar, color=color.orange, style=shape.circle, size=size.tiny)

// Background color for strong signals
bgcolor(bullEngulf ? color.new(color.green, 90) : na, title="Bull Engulf BG")
bgcolor(bearEngulf ? color.new(color.red, 90) : na, title="Bear Engulf BG")

// Alerts
alertcondition(bullEngulf, title="Bullish Engulfing Alert", message="Intraday Bullish Engulfing detected on {{ticker}} {{interval}}")
alertcondition(bearEngulf, title="Bearish Engulfing Alert", message="Intraday Bearish Engulfing detected on {{ticker}} {{interval}}")
alertcondition(isHammer, title="Hammer Alert", message="Hammer pattern detected - potential reversal up")
alertcondition(isShootingStar, title="Shooting Star Alert", message="Shooting Star detected - potential reversal down")

// Table for summary (optional)
var table infoTable = table.new(position.top_right, 2, 4, bgcolor=color.white, border_width=1)
if barstate.islast
    table.cell(infoTable, 0, 0, "Pattern", text_color=color.black)
    table.cell(infoTable, 1, 0, "Status", text_color=color.black)
    table.cell(infoTable, 0, 1, "Bull Engulf", text_color=color.black)
    table.cell(infoTable, 1, 1, bullEngulf ? "Active" : "Inactive", text_color=bullEngulf ? color.green : color.gray)
    table.cell(infoTable, 0, 2, "Bear Engulf", text_color=color.black)
    table.cell(infoTable, 1, 2, bearEngulf ? "Active" : "Inactive", text_color=bearEngulf ? color.red : color.gray)
    table.cell(infoTable, 0, 3, "Volume x", text_color=color.black)
    table.cell(infoTable, 1, 3, str.tostring(volThreshold, "#.##"), text_color=color.black)