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//@version=5
indicator("Liquidity Sweep [Price Action]", overlay=true, max_labels_count=500)

// --- Inputs ---
leftBars = input.int(5, title="Pivot Left Bars", tooltip="Number of bars to the left to confirm a swing")
rightBars = input.int(5, title="Pivot Right Bars", tooltip="Number of bars to the right to confirm a swing")

// --- Swing Highs and Lows ---
ph = ta.pivothigh(high, leftBars, rightBars)
pl = ta.pivotlow(low, leftBars, rightBars)

// Track the most recent structural levels
var float lastHigh = na
var float lastLow = na

if not na(ph)
    lastHigh := ph
if not na(pl)
    lastLow := pl

// --- Sweep Logic ---
// A sweep occurs if the high/low breaches the structure, but the close rejects it.
sweepHigh = high > lastHigh and close < lastHigh and not na(lastHigh)
sweepLow = low < lastLow and close > lastLow and not na(lastLow)

// --- Visuals ---
// Plot rejection signals above/below the sweeping candles
plotshape(sweepHigh, title="Sweep High", style=shape.triangledown, location=location.abovebar, color=color.new(color.red, 0), size=size.small)
plotshape(sweepLow, title="Sweep Low", style=shape.triangleup, location=location.belowbar, color=color.new(color.green, 0), size=size.small)

// Draw dashed lines for the current structural levels being tracked
var line resLine = na
var line supLine = na

if not na(ph)
    resLine := line.new(bar_index[rightBars], ph, bar_index, ph, color=color.new(color.red, 50), style=line.style_dashed)
if not na(pl)
    supLine := line.new(bar_index[rightBars], pl, bar_index, pl, color=color.new(color.green, 50), style=line.style_dashed)
    
// Extend the structural lines dynamically as new bars form
if not na(lastHigh)
    line.set_x2(resLine, bar_index)
if not na(lastLow)
    line.set_x2(supLine, bar_index)