Get Support resistance trading Code That Actually Works

//@version=5
indicator("Auto Support Resistance Zones", shorttitle="S/R Zones", overlay=true, max_lines_count=50, max_boxes_count=50)

// Input parameters
leftBars = input.int(5, "Pivot Left Bars", minval=1)
rightBars = input.int(5, "Pivot Right Bars", minval=1)
maxLevels = input.int(10, "Max S/R Levels", minval=1, maxval=20)
zoneWidth = input.float(0.5, "Zone Width %", minval=0.1, maxval=2.0) / 100
showZones = input.bool(true, "Show Zones")
showLabels = input.bool(true, "Show Labels")
lineExtend = input.string("Right", "Line Extend", options=["None", "Left", "Right", "Both"])

// Colors
resistanceColor = input.color(color.new(color.red, 70), "Resistance Color")
supportColor = input.color(color.new(color.green, 70), "Support Color")

// Pivot detection
var float[] resistances = array.new<float>()
var float[] supports = array.new<float>()

ph = ta.pivothigh(high, leftBars, rightBars)
pl = ta.pivotlow(low, leftBars, rightBars)

// Add new resistance levels
if not na(ph)
    array.unshift(resistances, ph)
    if array.size(resistances) > maxLevels
        array.pop(resistances)

// Add new support levels
if not na(pl)
    array.unshift(supports, pl)
    if array.size(supports) > maxLevels
        array.pop(supports)

// Draw resistance zones
if array.size(resistances) > 0 and showZones
    for i = 0 to math.min(array.size(resistances) - 1, maxLevels - 1)
        level = array.get(resistances, i)
        upper = level * (1 + zoneWidth)
        lower = level * (1 - zoneWidth)
        box.new(bar_index - 50, upper, bar_index + 20, lower, bgcolor=resistanceColor, border_color=color.red)
        if showLabels
            label.new(bar_index, level, "R" + str.tostring(i+1), style=label.style_label_down, color=color.red)

// Draw support zones
if array.size(supports) > 0 and showZones
    for i = 0 to math.min(array.size(supports) - 1, maxLevels - 1)
        level = array.get(supports, i)
        upper = level * (1 + zoneWidth)
        lower = level * (1 - zoneWidth)
        box.new(bar_index - 50, upper, bar_index + 20, lower, bgcolor=supportColor, border_color=color.green)
        if showLabels
            label.new(bar_index, level, "S" + str.tostring(i+1), style=label.style_label_up, color=color.green)

// Plot pivot points
plotshape(ph, "Pivot High", shape.triangledown, location.abovebar, color.red, size=size.small)
plotshape(pl, "Pivot Low", shape.triangleup, location.belowbar, color.green, size=size.small)

// Alerts
alertcondition(ta.crossover(close, ta.highest(high, 20) * 0.995), "Resistance Breakout", "Price breaking resistance zone!")
alertcondition(ta.crossunder(close, ta.lowest(low, 20) * 1.005), "Support Breakdown", "Price breaking support zone!")
alertcondition(math.abs(close - ta.highest(high, 20)) / close < 0.002, "Near Resistance", "Price approaching resistance.")
alertcondition(math.abs(close - ta.lowest(low, 20)) / close < 0.002, "Near Support", "Price approaching support.")