Get Support and resistance trading Code That Actually Works

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

// Inputs
pivot_len = input.int(10, "Pivot Lookback", minval=5, maxval=50)
max_levels = input.int(5, "Max S/R Levels", minval=3, maxval=10)
sr_extend = input.int(50, "Extend Lines (bars)", minval=20)
use_volume = input.bool(true, "Volume Confirmation")
use_supertrend = input.bool(true, "SuperTrend Filter")
atr_period = input.int(14, "SuperTrend ATR Period")
atr_mult = input.float(3.0, "SuperTrend Multiplier")

// SuperTrend Calculation
[supertrend, direction] = ta.supertrend(atr_mult, atr_period)

// Pivot Detection
pivot_high = ta.pivothigh(high, pivot_len, pivot_len)
pivot_low = ta.pivotlow(low, pivot_len, pivot_len)

// Volume Confirmation
vol_avg = ta.sma(volume, 20)
high_vol = use_volume ? volume > vol_avg * 1.5 : true

// Arrays for S/R levels
var float[] resistances = array.new<float>()
var float[] supports = array.new<float>()
var line[] res_lines = array.new<line>()
var line[] sup_lines = array.new<line>()

// Add Resistance
if not na(pivot_high) and high_vol
    array.unshift(resistances, pivot_high)
    if array.size(resistances) > max_levels
        array.pop(resistances)
    // Draw line
    new_line = line.new(bar_index - pivot_len, pivot_high, bar_index + sr_extend, pivot_high, color=color.red, width=2, style=line.style_solid)
    array.unshift(res_lines, new_line)
    if array.size(res_lines) > max_levels
        line.delete(array.pop(res_lines))

// Add Support
if not na(pivot_low) and high_vol
    array.unshift(supports, pivot_low)
    if array.size(supports) > max_levels
        array.pop(supports)
    // Draw line
    new_line = line.new(bar_index - pivot_len, pivot_low, bar_index + sr_extend, pivot_low, color=color.green, width=2, style=line.style_solid)
    array.unshift(sup_lines, new_line)
    if array.size(sup_lines) > max_levels
        line.delete(array.pop(sup_lines))

// Extend existing lines
if barstate.islast
    for i = 0 to array.size(res_lines) - 1
        ln = array.get(res_lines, i)
        line.set_x2(ln, bar_index + sr_extend)
    for i = 0 to array.size(sup_lines) - 1
        ln = array.get(sup_lines, i)
        line.set_x2(ln, bar_index + sr_extend)

// Signals: Break with SuperTrend filter
res_break = false
sup_break = false
for res in resistances
    if close < res and close[1] >= res[1] and (not use_supertrend or direction < 0)
        res_break := true
for sup in supports
    if close > sup and close[1] <= sup[1] and (not use_supertrend or direction > 0)
        sup_break := true

// Plots
plot(supertrend, "SuperTrend", color=direction < 0 ? color.green : color.red, linewidth=2)
plotshape(res_break, "Res Break", shape.triangledown, location.abovebar, color.red, size=size.small)
plotshape(sup_break, "Sup Break", shape.triangleup, location.belowbar, color.green, size=size.small)

// Alerts
alertcondition(res_break, "Resistance Break", "Price broke resistance with signal!")
alertcondition(sup_break, "Support Break", "Price broke support with signal!")