//@version=5
indicator('77-Liquidation Estimates (Real-Time)', '77-Liquidation Estimates (Real-Time)', false, format.volume)

//------------------------------------------------------------------------------
// Settings
//-----------------------------------------------------------------------------{

liqS1 = "Longs/Shorts Liquidations"

         
liqSH = liqS1

refPL = input.string("open", "Longs Reference Price", options = ["open", "close", "oc2", "hl2", "ooc3", "occ3", "hlc3", "ohlc4", "hlcc4"])
refPS = input.string("oc2", "Shorts Reference Price", options = ["open", "close", "oc2", "hl2", "ooc3", "occ3", "hlc3", "ohlc4", "hlcc4"])

//------------------------------------------------------------------------------
// Bear Market Filter
//------------------------------------------------------------------------------
// Define the 4-year cycle
halvingYear = input(2011, title="Last Halving Year")  // Set the last halving year
yearDifference = year(time) - halvingYear

// Bear market condition: The bear market is typically the third year after the halving year
bearMarket = (yearDifference % 4 == 3)

// Plot the bear market filter on the chart for reference
bgcolor(bearMarket ? color.red : na, transp=90, title="Bear Market", force_overlay=true)

//------------------------------------------------------------------------------
// User Defined Types
//-----------------------------------------------------------------------------{

// @type        bar properties with their values 
//
// @field h     (float) high price of the bar
// @field l     (float) low price of the bar
// @field v     (float) volume of the bar

type bar
    float h = high
    float l = low
    float v = volume

//-----------------------------------------------------------------------------
// Variables
//-----------------------------------------------------------------------------

bar b = bar.new()
nzV = nz(b.v)

//-----------------------------------------------------------------------------
// Functions/methods
//-----------------------------------------------------------------------------

f_gSRC(_s) =>
    switch _s
        "open"  => open
        "close" => close
        "oc2"   => math.avg(open, close)
        "hl2"   => hl2
        "ooc3"  => math.avg(open, open, close)
        "occ3"  => math.avg(open, close, close)
        "hlc3"  => hlc3
        "ohlc4" => ohlc4
        "hlcc4" => hlcc4

//-----------------------------------------------------------------------------
// Calculations
//-----------------------------------------------------------------------------

rPS = f_gSRC(refPS)
rPL = f_gSRC(refPL)
lLQ = nzV / (rPL / (rPL - b.l))
sLQ = nzV / (rPS / (b.h - rPS))

plot(liqSH == liqS1 ?  lLQ : na, 'Longs' , color.new(#26a69a, 17), style = plot.style_columns)
plot(liqSH == liqS1 ? -sLQ : na, 'Shorts', color.new(#ef5350, 17), style = plot.style_columns)


//------------------------------------------------------------------------------
// Funding Threshold and Buy Signal
//------------------------------------------------------------------------------


// EMA Calculation
ema24 = ta.ema(close, 24)
ema110 = ta.ema(close, 110)
plot(ema24, title="24 EMA", color=color.blue, linewidth=1,force_overlay = true)
plot(ema110, title="110 EMA", color=color.purple, linewidth=1,force_overlay = true)


// Bollinger Bands
//------------------------------------------------------------------------------
length = input.int(55, minval=1)
maType = input.string("SMA", "Basis MA Type", options=["SMA", "EMA", "SMMA (RMA)", "WMA", "VWMA"])
src = (liqSH == liqS1 ?  lLQ : na)
mult = input.float(4.0, minval=0.001, step=0.1, maxval=50, title="StdDev")

ma(source, length, _type) =>
    switch _type
        "SMA" => ta.sma(source, length)
        "EMA" => ta.ema(source, length)
        "SMMA (RMA)" => ta.rma(source, length)
        "WMA" => ta.wma(source, length)
        "VWMA" => ta.vwma(source, length)

basis = ma(src, length, maType) *2.6
basis2 = ma(src, length, maType) *2.6
dev = mult * ta.stdev(src, length)
upper = basis + dev
lower = basis - dev
offset = input.int(0, "Offset", minval = -500, maxval = 500, display = display.data_window)
plot(basis, "Basis", color=#2962FF, offset=offset)
p_1 = plot(upper, "Upper", color=#F23645, offset=offset)
p_2 = plot(lower, "Lower", color=#089981, offset=offset)
fill(p_1, p_2, title="Background", color=color.rgb(33, 150, 243, 95))

// Add the buy signal with Bollinger Band condition, bear market filter, and price below 21 EMA
if not bearMarket and (liqSH == liqS1 ? lLQ : na) > upper and close < ema110
    // Highest priority signal (1): "⁂"
    label.new(bar_index, low, text="⁂", textcolor=#ffebba, style=label.style_label_up, color=#4caf4f00, size=size.large, force_overlay=true)

// Second priority signal (2): "⁑"
else if not bearMarket and (liqSH == liqS1 ? lLQ : na) > basis and close < ema24 and close < ema110
    label.new(bar_index, low, text="⁑", textcolor=#ff5a00, style=label.style_label_up, color=#4caf4f00, size=size.large, force_overlay=true)

// Lowest priority signal (3): "⁎"
else if not bearMarket and (liqSH == liqS1 ? lLQ : na) > basis and close < ema24 and close > ema110
    label.new(bar_index, low, text="⁎", textcolor=#5d606b, style=label.style_label_up, color=#4caf4f00, size=size.large, force_overlay=true)

// Define alert conditions for each signal
alertcondition(not bearMarket and (liqSH == liqS1 ? lLQ : na) > basis and close < ema24 and close > ema110, title="Priority 1 Signal", message="Priority 3 Signal: ⁎ detected (Bollinger Basis, Bear Market Filter, price below 21 EMA and above 110 EMA)")

alertcondition(not bearMarket and (liqSH == liqS1 ? lLQ : na) > basis and close < ema24 and close < ema110, title="Priority 2 Signal", message="Priority 2 Signal: ⁑ detected (Bollinger Basis, Bear Market Filter, price below 21 and 110 EMA)")

alertcondition(not bearMarket and (liqSH == liqS1 ? lLQ : na) > upper and close < ema110, title="Priority 3 Signal", message="Priority 1 Signal: ⁂ detected (Bollinger Upper Band, Bear Market Filter, and price below 110 EMA)")