//@version=6
indicator("GM Signal Indicator with TP/SL", overlay=true)

// === SETTINGS ===
emaLen    = input.int(50, "EMA Trend")
bodyRatio = input.float(0.6, "Body Strength")
wickRatio = input.float(1.6, "Wick Strength")
lookback  = input.int(10, "Liquidity Lookback")

// === EMA TREND ===
ema = ta.ema(close, emaLen)
uptrend = close > ema
downtrend = close < ema

// === CANDLE DATA ===
body = math.abs(close - open)
candleRange = high - low
upperWick = high - math.max(close, open)
lowerWick = math.min(close, open) - low

// === LIQUIDITY LEVELS ===
prevHigh = ta.highest(high, lookback)[1]
prevLow = ta.lowest(low, lookback)[1]

// === LIQUIDITY SWEEP ===
sweepHigh = high > prevHigh and close < prevHigh
sweepLow = low < prevLow and close > prevLow

// === STRUCTURE SHIFT ===
bullShift = close > prevHigh
bearShift = close < prevLow

// === SMART ABSORPTION ===
sellerAbsorbed = (downtrend or sweepLow) and (lowerWick > body * wickRatio) and close > open and (bullShift or sweepLow)
buyerAbsorbed = (uptrend or sweepHigh) and (upperWick > body * wickRatio) and close < open and (bearShift or sweepHigh)

// === STRONG PRESSURE ===
strongBull = close > open and (candleRange > 0 ? body / candleRange : 0) > bodyRatio
strongBear = close < open and (candleRange > 0 ? body / candleRange : 0) > bodyRatio

// === COLORS ===
color candleColor = na
isYellow = sellerAbsorbed or buyerAbsorbed
isPurple = not isYellow and strongBull and close > close[1]
isBlack = not isYellow and strongBear and close < close[1]

if isYellow
    candleColor := color.yellow
else if isPurple
    candleColor := color.purple
else if isBlack
    candleColor := color.black
else
    candleColor := close > open ? color.green : color.red

barcolor(candleColor)
plot(ema, color=color.white, linewidth=2)

// === STREAKS (MODE 1) ===
var int purpleStreak = 0
var int blackStreak = 0

if isPurple
    purpleStreak += 1
    blackStreak := 0
else if isBlack
    blackStreak += 1
    purpleStreak := 0
else
    purpleStreak := 0
    blackStreak := 0

// === TRACK LEVELS ===
var float lastBlackHigh = na
var float lastBlackLow = na
var float lastPurpleHigh = na
var float lastPurpleLow = na

checkBlackHigh = lastBlackHigh
checkBlackLow = lastBlackLow
checkPurpleHigh = lastPurpleHigh
checkPurpleLow = lastPurpleLow

// === MODE 1 SIGNALS ===
buySignal1 = purpleStreak == 2 and (close > checkBlackHigh or close > checkPurpleHigh)
sellSignal1 = blackStreak == 2 and (close < checkPurpleLow or close < checkBlackLow)

// === MODE 2 SIGNALS ===
buySignal2 = isPurple and not na(checkBlackHigh) and close > checkBlackHigh
sellSignal2 = isBlack and not na(checkPurpleLow) and close < checkPurpleLow

// === UPDATE LEVELS ===
if isBlack
    lastBlackHigh := high
    lastBlackLow := low

if isPurple
    lastPurpleHigh := high
    lastPurpleLow := low

// === RESET ===
if buySignal1 or buySignal2
    lastBlackHigh := na
    lastPurpleHigh := na

if sellSignal1 or sellSignal2
    lastPurpleLow := na
    lastBlackLow := na

// =======================
// TP/SL STORAGE
// =======================
var float buySL = na
var float buyTP = na
var float sellSL = na
var float sellTP = na

buySignal = buySignal1 or buySignal2
sellSignal = sellSignal1 or sellSignal2

if buySignal
    buySL := low[1]
    buyTP := close + (close - buySL)
    sellSL := na
    sellTP := na

if sellSignal
    sellSL := high[1]
    sellTP := close - (sellSL - close)
    buySL := na
    buyTP := na

// === SIGNAL PLOTS ===
plotshape(buySignal1, title="Mode1 Buy", style=shape.triangleup, location=location.belowbar, color=color.green, size=size.small)
plotshape(sellSignal1, title="Mode1 Sell", style=shape.triangledown, location=location.abovebar, color=color.red, size=size.small)

plotshape(buySignal2, title="Mode2 Buy", style=shape.circle, location=location.belowbar, color=color.blue, size=size.small)
plotshape(sellSignal2, title="Mode2 Sell", style=shape.circle, location=location.abovebar, color=color.orange, size=size.small)

// === TP/SL PLOTS ===
plot(buySignal or not na(buySL) ? buySL : na, title="Buy SL", color=color.red, style=plot.style_linebr, linewidth=1)
plot(buySignal or not na(buyTP) ? buyTP : na, title="Buy TP", color=color.green, style=plot.style_linebr, linewidth=1)

plot(sellSignal or not na(sellSL) ? sellSL : na, title="Sell SL", color=color.red, style=plot.style_linebr, linewidth=1)
plot(sellSignal or not na(sellTP) ? sellTP : na, title="Sell TP", color=color.green, style=plot.style_linebr, linewidth=1)

// === ALERTS ===
alertcondition(buySignal1, title="Mode1 Buy Alert", message="Mode 1 Buy")
alertcondition(sellSignal1, title="Mode1 Sell Alert", message="Mode 1 Sell")
alertcondition(buySignal2, title="Mode2 Buy Alert", message="Mode 2 Buy")
alertcondition(sellSignal2, title="Mode2 Sell Alert", message="Mode 2 Sell")