Get Double bottom stock chart pattern Code That Actually Works

//@version=5
indicator("Double Bottom Pattern Detector", shorttitle="Double Bottom", overlay=true)

// Inputs
lookback = input.int(10, "Pivot Lookback", minval=5, maxval=50)
tolerance = input.float(1.0, "Price Tolerance %", minval=0.1, maxval=5.0) / 100
touch_bars = input.int(3, "Confirmation Bars After Second Bottom", minval=1, maxval=10)
volume_mult = input.float(1.5, "Volume Multiplier for Confirmation", minval=1.0, maxval=3.0)
show_labels = input.bool(true, "Show Pattern Labels")

// Pivot detection
left = lookback
right = lookback
low1 = ta.pivotlow(low, left, right)
low2 = ta.pivotlow(low, left, right)

// Track recent pivots
var float first_bottom = na
var int first_bottom_bar = na
var float second_bottom = na

// Detect first bottom
if not na(low1) and na(first_bottom)
    first_bottom := low1
    first_bottom_bar := bar_index - right

// Look for second bottom after first
if not na(first_bottom) and not na(low2) and bar_index > first_bottom_bar + lookback
    if math.abs(low2 - first_bottom) / first_bottom <= tolerance and na(second_bottom)
        second_bottom := low2
        // Check volume on second bottom
        avg_vol = ta.sma(volume, 20)
        if volume > avg_vol * volume_mult
            // Confirm breakout: price > neckline (high between bottoms)
            neckline_high = ta.highest(high, bar_index - first_bottom_bar)
            if close > neckline_high and barstate.isconfirmed
                label.new(bar_index, high, "Double Bottom\nBreakout", style=label.style_label_up, color=color.green, size=size.normal)
                alertcondition(true, title="Double Bottom Breakout", message="Double Bottom confirmed on {{ticker}} at {{close}}")
                first_bottom := na
                second_bottom := na

// Plot bottoms
plotshape(low1 and not na(first_bottom), style=shape.labeldown, location=location.absolute, color=color.blue, text="Bottom 1", textcolor=color.white, size=size.small)
plotshape(low2 and not na(second_bottom), style=shape.labeldown, location=location.absolute, color=color.orange, text="Bottom 2", textcolor=color.white, size=size.small)

// Neckline plot
neckline = not na(first_bottom) and not na(second_bottom) ? ta.highest(high, bar_index - first_bottom_bar) : na
plot(neckline, color=color.red, linewidth=2, title="Neckline")

// Background color for pattern zone
bgcolor(not na(first_bottom) and na(second_bottom) ? color.new(color.yellow, 90) : na, title="Pattern Forming")

// Alert for pattern formation
alertcondition(not na(second_bottom), title="Double Bottom Formed", message="Potential Double Bottom on {{ticker}}")