Get Support and resistance indicator Code That Actually Works

//@version=5
indicator("Support and Resistance Levels", shorttitle="S/R", overlay=true, max_lines_count=100, max_boxes_count=50)

// Input parameters
leftBars = input.int(5, "Pivot Left Bars", minval=1, maxval=20)
rightBars = input.int(5, "Pivot Right Bars", minval=1, maxval=20)
maxLevels = input.int(10, "Max S/R Levels", minval=5, maxval=20)
showSupport = input.bool(true, "Show Support Levels")
showResistance = input.bool(true, "Show Resistance Levels")
lineExtend = input.string("Right", "Line Extension", options=["None", "Right", "Both"])
strengthThreshold = input.float(0.0, "Min Level Strength %", minval=0.0, maxval=5.0, step=0.1) / 100

// Colors and styles
supportColor = input.color(color.new(color.green, 20), "Support Color")
resistanceColor = input.color(color.new(color.red, 20), "Resistance Color")
lineWidth = input.int(2, "Line Width", minval=1, maxval=5)

// Arrays for levels
var line[] supportLines = array.new<line>()
var line[] resistanceLines = array.new<line>()
var float[] supportPrices = array.new<float>()
var float[] resistancePrices = array.new<float>()

// Detect pivots
pivotHigh = ta.pivothigh(high, leftBars, rightBars)
pivotLow = ta.pivotlow(low, leftBars, rightBars)

// Function to clean old levels
function cleanLevels(pricesArray, linesArray, maxCount) =>
    if array.size(pricesArray) > maxCount
        oldLine = array.shift(linesArray)
        line.delete(oldLine)
        array.shift(pricesArray)

// Process resistance levels
if not na(pivotHigh)
    levelPrice = pivotHigh
    strength = 0.0
    for i = 1 to 10
        if math.abs(high[i] - levelPrice) / levelPrice <= strengthThreshold
            strength += 1
    if strength >= 1 and showResistance
        strengthFilter = true
        extendType = lineExtend == "Right" ? extend.right : lineExtend == "Both" ? extend.both : extend.none
        newLine = line.new(bar_index[rightBars], levelPrice, bar_index + 50, levelPrice, 
                          color=resistanceColor, width=lineWidth, extend=extendType, style=line.style_solid)
        array.push(resistanceLines, newLine)
        array.push(resistancePrices, levelPrice)
        cleanLevels(resistancePrices, resistanceLines, maxLevels)

// Process support levels
if not na(pivotLow)
    levelPrice = pivotLow
    strength = 0.0
    for i = 1 to 10
        if math.abs(low[i] - levelPrice) / levelPrice <= strengthThreshold
            strength += 1
    if strength >= 1 and showSupport
        extendType = lineExtend == "Right" ? extend.right : lineExtend == "Both" ? extend.both : extend.none
        newLine = line.new(bar_index[rightBars], levelPrice, bar_index + 50, levelPrice, 
                          color=supportColor, width=lineWidth, extend=extendType, style=line.style_solid)
        array.push(supportLines, newLine)
        array.push(supportPrices, levelPrice)
        cleanLevels(supportPrices, supportLines, maxLevels)

// Alerts
resistanceBreak = false
supportBreak = false
if array.size(resistancePrices) > 0
    for i = 0 to array.size(resistancePrices) - 1
        level = array.get(resistancePrices, i)
        if close < level and close[1] >= level[1]
            resistanceBreak := true
if array.size(supportPrices) > 0
    for i = 0 to array.size(supportPrices) - 1
        level = array.get(supportPrices, i)
        if close > level and close[1] <= level[1]
            supportBreak := true

alertcondition(resistanceBreak, title="Resistance Break", message="Price broke below resistance level")
alertcondition(supportBreak, title="Support Break", message="Price broke above support level")
alertcondition(resistanceBreak or supportBreak, title="S/R Break", message="Support or Resistance level broken")