Liquidity Reaper

indicator('Liquidity Reaper', shorttitle='REAPER', overlay = true,
     max_lines_count = 500, max_labels_count = 500, max_boxes_count = 500)

pivotLen = input.int(8, 'Swing Strength (bars each side)', minval = 2, maxval = 50, group = 'Liquidity Detection',
     tooltip = 'Bars to the left and right required to confirm a swing high/low as a liquidity pool.\n\nHigher = fewer, more significant pools.')
confirmWindow = input.int(3, 'Sweep Confirmation Window', minval = 1, maxval = 20, group = 'Liquidity Detection',
     tooltip = 'After price wicks through a pool, a confirming close back inside must occur within this many bars for a valid sweep.')
maxPools = input.int(12, 'Max Live Pools Per Side', minval = 2, maxval = 40, group = 'Liquidity Detection',
     tooltip = 'Oldest liquidity rails are recycled once this limit is reached — keeps the chart clean on all timeframes.')
minWickPct = input.float(25, 'Min Sweep Wick (% of range)', minval = 0, maxval = 90, step = 5, group = 'Liquidity Detection',
     tooltip = 'The sweep candle must reject with a wick of at least this % of its range beyond the pool — filters weak pokes.')

useVolFilter = input.bool(true, 'Require Volume Expansion', group = 'Volume Filter',
     tooltip = 'Sweep signals require volume above its average × multiplier.')
volLen = input.int(20, 'Volume MA Length', minval = 1, group = 'Volume Filter')
volMultReq = input.float(1.1, 'Volume Multiplier', minval = 0.5, step = 0.1, group = 'Volume Filter')

showSignalLabels = input.bool(true, 'Show Sweep Labels', group = 'Signals',
     tooltip = 'Labels show direction plus relative volume of the raid, e.g. "RAID BUY · 2.3x".')
labelSizeStr = input.string('Small', 'Label Size', options = ['Tiny', 'Small', 'Normal'], group = 'Signals')
showTriangles = input.bool(false, 'Show Triangle Signals', group = 'Signals')

showRails = input.bool(true, 'Show Unswept Liquidity Rails', group = 'Rails and Zones')
railStyleStr = input.string('Dotted', 'Rail Style', options = ['Solid', 'Dashed', 'Dotted'], group = 'Rails and Zones')
railTransp = input.int(45, 'Rail Transparency', minval = 0, maxval = 100, group = 'Rails and Zones')
showZones = input.bool(true, 'Show Swept Zones', group = 'Rails and Zones',
     tooltip = 'Paints a frost box across the raided range (pool level → sweep wick extreme).')
zoneTransp = input.int(78, 'Zone Transparency', minval = 0, maxval = 100, group = 'Rails and Zones')
zoneLifeBars = input.int(120, 'Zone Lifetime (bars)', minval = 10, maxval = 500, group = 'Rails and Zones')

buyColor = input.color(#38bdf8, 'Buy / Bull Liquidity Color', group = 'Visuals')
sellColor = input.color(#e11d48, 'Sell / Bear Liquidity Color', group = 'Visuals')
labelTextColor = input.color(color.white, 'Label Text Color', group = 'Visuals')

show_targets = input.bool(true, 'Show TP/SL Levels', group = 'TP/SL')
use_atr_sl = input.bool(true, 'SL = ATR × instead of %', group = 'TP/SL')
tp_atr_period = input.int(14, 'ATR Period For TP/SL', minval = 1, group = 'TP/SL')
sl_atr_mult = input.float(1.5, 'ATR Multiplier For SL', step = 0.1, group = 'TP/SL')
sl_percent = input.float(1.0, 'SL % From Entry', step = 0.1, group = 'TP/SL')
rr_tp1 = input.float(1.0, 'RR For TP1', step = 0.1, group = 'TP/SL')
rr_tp2 = input.float(2.0, 'RR For TP2', step = 0.1, group = 'TP/SL')
rr_tp3 = input.float(3.0, 'RR For TP3', step = 0.1, group = 'TP/SL')
show_sl_level = input.bool(true, 'Show SL Level', group = 'TP/SL Display')
show_tp1_level = input.bool(true, 'Show TP1 Level', group = 'TP/SL Display')
show_tp2_level = input.bool(true, 'Show TP2 Level', group = 'TP/SL Display')
show_tp3_level = input.bool(true, 'Show TP3 Level', group = 'TP/SL Display')

showDash = input.bool(true, 'Show Reaper Dashboard', group = 'Reaper Dashboard')
dashPos = input.string('Top Right', 'Dashboard Position',
     options = ['Top Left', 'Top Right', 'Bottom Left', 'Bottom Right', 'Top Center', 'Bottom Center', 'Middle Left', 'Middle Right'],
     group = 'Reaper Dashboard')
dashSize = input.string('Normal', 'Dashboard Text Size', options = ['Tiny', 'Small', 'Normal', 'Large'], group = 'Reaper Dashboard')

type Pool
    line rail
    float lvl
    int born_bar
    bool is_high

type PendingSweep
    float lvl
    float wick_extreme
    int break_bar
    float raid_range
    bool is_high

type SweptZone
    box bx
    int born_bar

var array<Pool> highPools = array.new<Pool>()
var array<Pool> lowPools = array.new<Pool>()
var array<SweptZone> zones = array.new<SweptZone>()
var PendingSweep pendHigh = na
var PendingSweep pendLow = na

float atr_val = ta.atr(tp_atr_period)
float volMA = ta.sma(volume, volLen)
float volMult = volMA > 0 ? volume / volMA : 1.0
bool volOK = not useVolFilter or volMult >= volMultReq

float ph = ta.pivothigh(high, pivotLen, pivotLen)
float pl = ta.pivotlow(low, pivotLen, pivotLen)

railStyle = railStyleStr == 'Solid' ? line.style_solid : railStyleStr == 'Dashed' ? line.style_dashed : line.style_dotted

f_labelSize(string s) =>
    s == 'Tiny' ? size.tiny : s == 'Small' ? size.small : size.normal

if not na(ph)
    line r = na
    if showRails
        r := line.new(bar_index - pivotLen, ph, bar_index, ph, extend = extend.right,
             color = color.new(sellColor, railTransp), style = railStyle, width = 1)
    array.push(highPools, Pool.new(r, ph, bar_index - pivotLen, true))
    if array.size(highPools) > maxPools
        Pool old = array.shift(highPools)
        line.delete(old.rail)

if not na(pl)
    line r = na
    if showRails
        r := line.new(bar_index - pivotLen, pl, bar_index, pl, extend = extend.right,
             color = color.new(buyColor, railTransp), style = railStyle, width = 1)
    array.push(lowPools, Pool.new(r, pl, bar_index - pivotLen, false))
    if array.size(lowPools) > maxPools
        Pool old = array.shift(lowPools)
        line.delete(old.rail)

if array.size(highPools) > 0
    for i = array.size(highPools) - 1 to 0
        Pool p = array.get(highPools, i)
        if high > p.lvl

            if not na(p.rail)
                line.set_extend(p.rail, extend.none)
                line.set_x2(p.rail, bar_index)

            pendHigh := PendingSweep.new(p.lvl, high, bar_index, math.max(high - low, syminfo.mintick), true)
            array.remove(highPools, i)

if array.size(lowPools) > 0
    for i = array.size(lowPools) - 1 to 0
        Pool p = array.get(lowPools, i)
        if low < p.lvl
            if not na(p.rail)
                line.set_extend(p.rail, extend.none)
                line.set_x2(p.rail, bar_index)
            pendLow := PendingSweep.new(p.lvl, low, bar_index, math.max(high - low, syminfo.mintick), false)
            array.remove(lowPools, i)

if not na(pendHigh)
    pendHigh.wick_extreme := math.max(pendHigh.wick_extreme, high)
if not na(pendLow)
    pendLow.wick_extreme := math.min(pendLow.wick_extreme, low)

bool sellSignal = false
bool buySignal = false
float sweepLvlSell = na
float sweepWickSell = na
float sweepLvlBuy = na
float sweepWickBuy = na

if not na(pendHigh)
    int elapsed = bar_index - pendHigh.break_bar

    bool wickOK = (pendHigh.wick_extreme - pendHigh.lvl) / pendHigh.raid_range * 100 >= minWickPct
    if elapsed >= 1 and elapsed <= confirmWindow
        if close < pendHigh.lvl and close < open and volOK and wickOK
            sellSignal := true
            sweepLvlSell := pendHigh.lvl
            sweepWickSell := pendHigh.wick_extreme
            pendHigh := na
    else if elapsed > confirmWindow
        pendHigh := na

if not na(pendLow)
    int elapsed = bar_index - pendLow.break_bar
    bool wickOK = (pendLow.lvl - pendLow.wick_extreme) / pendLow.raid_range * 100 >= minWickPct
    if elapsed >= 1 and elapsed <= confirmWindow
        if close > pendLow.lvl and close > open and volOK and wickOK
            buySignal := true
            sweepLvlBuy := pendLow.lvl
            sweepWickBuy := pendLow.wick_extreme
            pendLow := na
    else if elapsed > confirmWindow
        pendLow := na

if sellSignal and showZones and not na(sweepLvlSell) and sweepWickSell > sweepLvlSell
    box b = box.new(bar_index - confirmWindow, sweepWickSell, bar_index + zoneLifeBars, sweepLvlSell,
         border_color = color.new(sellColor, 55), border_width = 1,
         bgcolor = color.new(sellColor, zoneTransp))
    array.push(zones, SweptZone.new(b, bar_index))
if buySignal and showZones and not na(sweepLvlBuy) and sweepWickBuy < sweepLvlBuy
    box b = box.new(bar_index - confirmWindow, sweepLvlBuy, bar_index + zoneLifeBars, sweepWickBuy,
         border_color = color.new(buyColor, 55), border_width = 1,
         bgcolor = color.new(buyColor, zoneTransp))
    array.push(zones, SweptZone.new(b, bar_index))

if array.size(zones) > 0
    for i = array.size(zones) - 1 to 0
        SweptZone z = array.get(zones, i)
        if bar_index - z.born_bar > zoneLifeBars
            box.delete(z.bx)
            array.remove(zones, i)

if buySignal and showSignalLabels
    label.new(bar_index, low, 'RAID BUY · ' + str.tostring(volMult, '#.#') + 'x',
         style = label.style_label_up, color = color.new(buyColor, 8),
         textcolor = labelTextColor, size = f_labelSize(labelSizeStr))
if sellSignal and showSignalLabels
    label.new(bar_index, high, 'RAID SELL · ' + str.tostring(volMult, '#.#') + 'x',
         style = label.style_label_down, color = color.new(sellColor, 8),
         textcolor = labelTextColor, size = f_labelSize(labelSizeStr))

plotshape(showTriangles and buySignal, title = 'Raid Buy', style = shape.triangleup, location = location.belowbar, color = buyColor, size = size.tiny)
plotshape(showTriangles and sellSignal, title = 'Raid Sell', style = shape.triangledown, location = location.abovebar, color = sellColor, size = size.tiny)
var table wm = table.new(position.bottom_right, 1, 1)
if barstate.isfirst
    table.cell(wm, 0, 0, "Telegram @SimpleForexTools", text_color = color.new(color.gray, 70), text_size = size.large)

buyLabelColor = buyColor
sellLabelColor = sellColor
buyColorLight = color.new(buyLabelColor, 40)
sellColorLight = color.new(sellLabelColor, 40)
buyFill = color.new(buyLabelColor, 76)
sellFill = color.new(sellLabelColor, 76)

var int trade_dir = 0
var float sl_level = na
var float extreme_level = na
var line entry_line = na
var label entry_label = na
var line sl_line = na
var label sl_label = na
var line tp1_line = na
var label tp1_label = na
var line tp2_line = na
var label tp2_label = na
var line tp3_line = na
var label tp3_label = na
var line extreme_line = na
var linefill risk_fill = na
var linefill reward_fill = na
var int entry_bar = na

if (buySignal or sellSignal) and show_targets
    line.delete(entry_line)
    label.delete(entry_label)
    line.delete(sl_line)
    label.delete(sl_label)
    line.delete(tp1_line)
    label.delete(tp1_label)
    line.delete(tp2_line)
    label.delete(tp2_label)
    line.delete(tp3_line)
    label.delete(tp3_label)
    line.delete(extreme_line)
    linefill.delete(risk_fill)
    linefill.delete(reward_fill)

    trade_dir := buySignal ? 1 : -1
    entry_bar := bar_index
    float entry_price = close
    float risk_dist = use_atr_sl ? atr_val * sl_atr_mult : entry_price * (sl_percent / 100)

    float tp1_p = na
    float tp2_p = na
    float tp3_p = na

    if trade_dir == 1
        sl_level := entry_price - risk_dist
        tp1_p := entry_price + risk_dist * rr_tp1
        tp2_p := entry_price + risk_dist * rr_tp2
        tp3_p := entry_price + risk_dist * rr_tp3
        extreme_level := show_tp3_level ? tp3_p : show_tp2_level ? tp2_p : show_tp1_level ? tp1_p : na

        entry_line := line.new(bar_index, entry_price, bar_index + 1, entry_price, color = buyLabelColor, width = 2, extend = extend.none)
        entry_label := label.new(bar_index, entry_price, 'BUY ' + str.tostring(entry_price, format.mintick), style = label.style_label_left, color = buyLabelColor, textcolor = color.rgb(6, 22, 32), size = size.small)

        if show_sl_level
            sl_line := line.new(bar_index, sl_level, bar_index + 1, sl_level, color = sellColorLight, width = 1, style = line.style_dashed, extend = extend.none)
            sl_label := label.new(bar_index, sl_level, 'SL ' + str.tostring(sl_level, format.mintick), style = label.style_label_left, color = sellColorLight, textcolor = color.white, size = size.small)
        if show_tp1_level
            tp1_line := line.new(bar_index, tp1_p, bar_index + 1, tp1_p, color = buyColorLight, width = 1, extend = extend.none)
            tp1_label := label.new(bar_index, tp1_p, 'TP1 ' + str.tostring(tp1_p, format.mintick), style = label.style_label_left, color = buyColorLight, textcolor = color.white, size = size.small)
        if show_tp2_level
            tp2_line := line.new(bar_index, tp2_p, bar_index + 1, tp2_p, color = buyColorLight, width = 1, extend = extend.none)
            tp2_label := label.new(bar_index, tp2_p, 'TP2 ' + str.tostring(tp2_p, format.mintick), style = label.style_label_left, color = buyColorLight, textcolor = color.white, size = size.small)
        if show_tp3_level
            tp3_line := line.new(bar_index, tp3_p, bar_index + 1, tp3_p, color = buyColorLight, width = 1, style = line.style_dotted, extend = e

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