High Low + BOS/Sweep aaa

//version=5
indicator("High Low + BOS/Sweep", overlay=true, max_lines_count=500, max_labels_count=500)

// Inputs (giữ nguyên các tuỳ chọn của bạn, chỉ bỏ input màu)
offTop = input.int(2, "Offset đỉnh", minval=0)
offBot = input.int(2, "Offset đáy", minval=0)
w = input.int(2, "Độ dày line", minval=1)
styleBosStr = input.string("Solid", "Kiểu line BOS", options=["Solid", "Dashed", "Dotted"])
styleSweepStr = input.string("Dashed", "Kiểu line Sweep", options=["Solid", "Dashed", "Dotted"])
showBosLabel = input.bool(true, "Hiện label BOS")
showSweepLabel = input.bool(true, "Hiện label Sweep")
bosLabelText = input.string("BOS", "Text BOS")
sweepLabelText = input.string("SWEEP", "Text Sweep")
labelSizeStr = input.string("tiny", "Kích thước label", options=["tiny", "small", "normal", "large"])

// NEW: display toggles
showPivot = input.bool(true, "Hiện Pivot")
showBosSweep = input.bool(true, "Hiện BOS / Sweep")

// Convert styles / sizes
bosStyle = styleBosStr == "Dashed" ? line.style_dashed : styleBosStr == "Dotted" ? line.style_dotted : line.style_solid
sweepStyle = styleSweepStr == "Dashed" ? line.style_dashed : styleSweepStr == "Dotted" ? line.style_dotted : line.style_solid
lblSize = labelSizeStr == "small" ? size.small : labelSizeStr == "normal" ? size.normal : labelSizeStr == "large" ? size.large : size.tiny

// State vars
c = close
var int lastSignal = 0

var float sHigh = na
var int sHighBar = na
var float sLow = na
var int sLowBar = na

var float confHigh = na
var int confHighBar = na
var float confLow = na
var int confLowBar = na

var line highLine = na
var line lowLine = na
var label highLabel = na
var label lowLabel = na

// === Đánh dấu loại line: 0 = chưa có, 1 = Sweep, 2 = BOS ===
var int highLineType = 0
var int lowLineType = 0

// === Sweep tracking / pending ===
var bool pendingSweepUp = false
var bool pendingSweepDown = false
var int sweepDetectedBarUp = na
var float sweepTargetHighPrice = na
var int sweepTargetHighBar = na
var int sweepDetectedBarDown = na
var float sweepTargetLowPrice = na
var int sweepTargetLowBar = na

// === Track BOS pivots ===
var int lastBOSHighBar = na
var int lastBOSLowBar = na

// Track swing
if (lastSignal == -1) or (lastSignal == 0)
if na(sHigh) or high > sHigh
sHigh := high
sHighBar := bar_index
if (lastSignal == 1) or (lastSignal == 0)
if na(sLow) or low < sLow
sLow := low
sLowBar := bar_index

// Confirm pivot
condTop = c < low[1]
condBot = c > high[1]
isTop = condTop and (lastSignal != 1)
isBot = condBot and (lastSignal != -1)

// On pivot confirm
if isTop
confHigh := sHigh
confHighBar := sHighBar
highLine := na
highLabel := na
highLineType := 0
if showPivot
label.new(confHighBar, confHigh + syminfo.mintick * offTop, "●", xloc=xloc.bar_index, yloc=yloc.price, style=label.style_none, textcolor=color.red, size=size.small)
lastSignal := 1
sHigh := na
sHighBar := na
sLow := low
sLowBar := bar_index

if isBot
confLow := sLow
confLowBar := sLowBar
lowLine := na
lowLabel := na
lowLineType := 0
if showPivot
label.new(confLowBar, confLow - syminfo.mintick * offBot, "●", xloc=xloc.bar_index, yloc=yloc.price, style=label.style_none, textcolor=color.lime, size=size.small)
lastSignal := -1
sLow := na
sLowBar := na
sHigh := high
sHighBar := bar_index

// Raw sweep detection
rawSweepUp = not na(confHigh) and (na(lastBOSHighBar) or confHighBar != lastBOSHighBar) and high > confHigh and close <= confHigh
rawSweepDown = not na(confLow) and (na(lastBOSLowBar) or confLowBar != lastBOSLowBar) and low < confLow and close >= confLow

if rawSweepUp
pendingSweepUp := true
sweepDetectedBarUp := bar_index
sweepTargetHighPrice := confHigh
sweepTargetHighBar := confHighBar

if rawSweepDown
pendingSweepDown := true
sweepDetectedBarDown := bar_index
sweepTargetLowPrice := confLow
sweepTargetLowBar := confLowBar

// Check sweep validity
checkSweepValidUp() =>
isValid = true
if pendingSweepUp and not na(sweepDetectedBarUp)
maxOffset = bar_index - sweepDetectedBarUp
if maxOffset >= 0
for i = 0 to maxOffset
if close > sweepTargetHighPrice
isValid := false
isValid

checkSweepValidDown() =>
isValid = true
if pendingSweepDown and not na(sweepDetectedBarDown)
maxOffset = bar_index - sweepDetectedBarDown
if maxOffset >= 0
for i = 0 to maxOffset
if close < sweepTargetLowPrice
isValid := false
isValid

// BOS logic
bosUp = not na(confHigh) and c > confHigh
bosDown = not na(confLow) and c < confLow

if bosUp
pendingSweepUp := false
sweepDetectedBarUp := na
sweepTargetHighPrice := na
sweepTargetHighBar := na
lastBOSHighBar := confHighBar
if not na(highLine)
line.delete(highLine)
if not na(highLabel)
label.delete(highLabel)
highLineType := 2
if showBosSweep
highLine := line.new(confHighBar, confHigh, bar_index, confHigh, xloc=xloc.bar_index, extend=extend.none, color=color.black, width=w, style=bosStyle)
if showBosLabel
midBar = math.floor((confHighBar + bar_index) / 2)
highLabel := label.new(midBar, confHigh, bosLabelText, xloc=xloc.bar_index, yloc=yloc.price, textcolor=color.black, style=label.style_none, size=lblSize)

if bosDown
pendingSweepDown := false
sweepDetectedBarDown := na
sweepTargetLowPrice := na
sweepTargetLowBar := na
lastBOSLowBar := confLowBar
if not na(lowLine)
line.delete(lowLine)
if not na(lowLabel)
label.delete(lowLabel)
lowLineType := 2
if showBosSweep
lowLine := line.new(confLowBar, confLow, bar_index, confLow, xloc=xloc.bar_index, extend=extend.none, color=color.black, width=w, style=bosStyle)
if showBosLabel
midBar = math.floor((confLowBar + bar_index) / 2)
lowLabel := label.new(midBar, confLow, bosLabelText, xloc=xloc.bar_index, yloc=yloc.price, textcolor=color.black, style=label.style_none, size=lblSize)

// Sweep draw (pivot-in-between check)
sweepUpTriggered = false
sweepDownTriggered = false

if (isTop or isBot) and pendingSweepUp and not na(sweepTargetHighBar)
hasLowBetween = false
for i = sweepTargetHighBar to bar_index
if not na(confLowBar) and confLowBar == i
hasLowBetween := true
if checkSweepValidUp() and highLineType != 2 and hasLowBetween
if not na(highLine)
line.delete(highLine)
if not na(highLabel)
label.delete(highLabel)
highLineType := 1
if showBosSweep
highLine := line.new(sweepTargetHighBar, sweepTargetHighPrice, bar_index, sweepTargetHighPrice, xloc=xloc.bar_index, extend=extend.none, color=color.black, width=w, style=sweepStyle)
if showSweepLabel
midBar = math.floor((sweepTargetHighBar + bar_index) / 2)
highLabel := label.new(midBar, sweepTargetHighPrice, sweepLabelText, xloc=xloc.bar_index, yloc=yloc.price, textcolor=color.black, style=label.style_none, size=lblSize)
pendingSweepUp := false
sweepDetectedBarUp := na
sweepTargetHighPrice := na
sweepTargetHighBar := na
sweepUpTriggered := true

if (isTop or isBot) and pendingSweepDown and not na(sweepTargetLowBar)
hasHighBetween = false
for i = sweepTargetLowBar to bar_index
if not na(confHighBar) and confHighBar == i
hasHighBetween := true
if checkSweepValidDown() and lowLineType != 2 and hasHighBetween
if not na(lowLine)
line.delete(lowLine)
if not na(lowLabel)
label.delete(lowLabel)
lowLineType := 1
if showBosSweep
lowLine := line.new(sweepTargetLowBar, sweepTargetLowPrice, bar_index, sweepTargetLowPrice, xloc=xloc.bar_index, extend=extend.none, color=color.black, width=w, style=sweepStyle)
if showSweepLabel
midBar = math.floor((sweepTargetLowBar + bar_index) / 2)
lowLabel := label.new(midBar, sweepTargetLowPrice, sweepLabelText, xloc=xloc.bar_index, yloc=yloc.price, textcolor=color.black, style=label.style_none, size=lblSize)
pendingSweepDown := false
sweepDetectedBarDown := na
sweepTargetLowPrice := na
sweepTargetLowBar := na
sweepDownTriggered := true

// Alerts
alertcondition(isTop, "Top", "Top confirmed")
alertcondition(isBot, "Bot", "Bottom confirmed")
alertcondition(bosUp, "BOS Up", "Break of structure up")
alertcondition(bosDown, "BOS Down", "Break of structure down")
alertcondition(sweepUpTriggered, "Sweep Up", "Sweep đỉnh xuất hiện")
alertcondition(sweepDownTriggered, "Sweep Down", "Sweep đáy xuất hiện")

plot(na) // tránh lỗi