Get Break and retest strategy Code That Actually Works

//@version=5
indicator("Break and Retest Strategy", shorttitle="B&R", overlay=true)

// Input parameters
pivot_len = input.int(10, "Pivot Length", minval=5, maxval=50)
tolerance_pct = input.float(1.0, "Retest Tolerance %", minval=0.1, maxval=5.0) / 100
lookback_bars = input.int(20, "Break Lookback Bars", minval=10, maxval=50)
show_labels = input.bool(true, "Show Entry Labels")

// Colors
bull_color = input.color(color.new(color.green, 20))
bear_color = input.color(color.new(color.red, 20))

// Detect pivot highs and lows
var float pivot_high = na
var float pivot_low = na
ph = ta.pivothigh(high, pivot_len, pivot_len)
pl = ta.pivotlow(low, pivot_len, pivot_len)

if not na(ph)
    pivot_high := ph
if not na(pl)
    pivot_low := pl

// Track breaks
var bool bull_break = false
var bool bear_break = false
var int bull_break_bar = 0
var int bear_break_bar = 0

// Bullish break: close above recent pivot high
if not na(pivot_high) and close > pivot_high and not bull_break[1]
    bull_break := true
    bull_break_bar := bar_index

// Bearish break: close below recent pivot low
if not na(pivot_low) and close < pivot_low and not bear_break[1]
    bear_break := true
    bear_break_bar := bar_index

// Reset breaks after lookback
if bull_break and bar_index - bull_break_bar > lookback_bars
    bull_break := false
if bear_break and bar_index - bear_break_bar > lookback_bars
    bear_break := false

// Retest logic: after break, price returns within tolerance
bull_retest = bull_break and math.abs(close - pivot_high) / pivot_high <= tolerance_pct and close < pivot_high
bear_retest = bear_break and math.abs(close - pivot_low) / pivot_low <= tolerance_pct and close > pivot_low

// Plots
plotshape(bull_retest and show_labels, "Bull Retest", shape.triangleup, location.belowbar, bull_color, size=size.small)
plotshape(bear_retest and show_labels, "Bear Retest", shape.triangledown, location.abovebar, bear_color, size=size.small)

plot(not na(pivot_high) ? pivot_high : na, "Pivot High", color=color.gray, linewidth=1, style=plot.style_circles)
plot(not na(pivot_low) ? pivot_low : na, "Pivot Low", color=color.gray, linewidth=1, style=plot.style_circles)

// Alerts
alertcondition(bull_retest, "Bullish Break & Retest", "Bullish break and retest detected - potential long entry!")
alertcondition(bear_retest, "Bearish Break & Retest", "Bearish break and retest detected - potential short entry!")

// Background highlight on retest
bgcolor(bull_retest ? color.new(bull_color, 90) : na)
bgcolor(bear_retest ? color.new(bear_color, 90) : na)