// This Pine Script® code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © AI_PIPS

//@version=6
indicator("AIPIPS Breaker Structure Mapper", overlay=true, max_labels_count=500)

swingLen = input.int(6, "Swing length", minval=1)
confirmBars = input.int(2, "Confirmation bars", minval=1)
htf = input.timeframe("240", "Higher timeframe")

htfTrend = request.security(syminfo.tickerid, htf, ta.ema(close, 50))

ph = ta.pivothigh(high, swingLen, swingLen)
pl = ta.pivotlow(low, swingLen, swingLen)
prevPH = ta.valuewhen(not na(ph), ph, 1)
prevPL = ta.valuewhen(not na(pl), pl, 1)

bosUp = not na(prevPH) and ta.barssince(not na(ph)) <= confirmBars and close > prevPH
bosDown = not na(prevPL) and ta.barssince(not na(pl)) <= confirmBars and close < prevPL

plotshape(bosUp, title="Bullish BOS", text="BOS↑", style=shape.labelup, color=color.new(color.green, 0), location=location.belowbar)
plotshape(bosDown, title="Bearish BOS", text="BOS↓", style=shape.labeldown, color=color.new(color.red, 0), location=location.abovebar)

var line lastBullLine = na
var line lastBearLine = na
if bosUp
    line.delete(lastBullLine)
    lastBullLine := line.new(bar_index - confirmBars, nz(prevPH), bar_index, nz(prevPH), extend=extend.right, color=color.new(color.green, 50))
if bosDown
    line.delete(lastBearLine)
    lastBearLine := line.new(bar_index - confirmBars, nz(prevPL), bar_index, nz(prevPL), extend=extend.right, color=color.new(color.red, 50))

trendBias = close > htfTrend ? "HTF Bull" : close < htfTrend ? "HTF Bear" : "HTF Neutral"
var string prevBias = ""
if trendBias != prevBias
    label.new(bar_index, high, text=trendBias, color=color.new(color.gray, 85), style=label.style_label_down, textcolor=color.gray, size=size.tiny)
    prevBias := trendBias