//@version=5
indicator("Bullmania Money Line v5", overlay=true)

// Calculation source (Chart vs Heikin Ashi)
srcMode = input.string("Chart", "Calculation source", options=["Chart","Heikin Ashi"], tooltip="Use regular chart candles or Heikin Ashi for the line calculation.")

// Parameter Mode
paramMode = input.string("Profiles by timeframe", "Parameter Mode", options=["Single", "Profiles by timeframe"], tooltip="Choose whether to use one global set of parameters or timeframe-specific profiles.")

// Single (global) parameters
atrPeriodSingle = input.int(10, "ATR Period (Single mode)", minval=1, group="Single Mode")
multiplierSingle = input.float(3.0, "Multiplier (Single mode)", minval=0.1, step=0.1, group="Single Mode")

// Profile override when using profiles
profileOverride = input.string("Auto", "Profile Override", options=["Auto", "Minutes", "Hours", "Daily", "Weekly/Monthly"], tooltip="When in 'Profiles by timeframe' mode, choose a fixed profile or let it auto-detect from the chart timeframe.", group="Profiles")

// Timeframe profile parameters
// Minutes (<= 59m)
atr_m = input.int(12, "ATR Period (Minutes)", minval=1, group="Profiles — Minutes")
mult_m = input.float(3.3, "Multiplier (Minutes)", minval=0.1, step=0.1, group="Profiles — Minutes")

// Hours (>=1h and <1d)
atr_h = input.int(10, "ATR Period (Hours)", minval=1, group="Profiles — Hours")
mult_h = input.float(3.0, "Multiplier (Hours)", minval=0.1, step=0.1, group="Profiles — Hours")

// Daily (>=1d and <1w)
atr_d = input.int(10, "ATR Period (Daily)", minval=1, group="Profiles — Daily")
mult_d = input.float(2.8, "Multiplier (Daily)", minval=0.1, step=0.1, group="Profiles — Daily")

// Weekly/Monthly (>=1w)
atr_w = input.int(7, "ATR Period (Weekly/Monthly)", minval=1, group="Profiles — Weekly/Monthly")
mult_w = input.float(2.5, "Multiplier (Weekly/Monthly)", minval=0.1, step=0.1, group="Profiles — Weekly/Monthly")

// Optional MACD confirmation
useMacd = input.bool(false, "Use MACD confirmation", inline="macd")
macdSrc = input.source(close, "MACD Source", inline="macd")
macdFastLen = input.int(12, "Fast", minval=1, inline="macdLens")
macdSlowLen = input.int(26, "Slow", minval=1, inline="macdLens")
macdSigLen = input.int(9, "Signal", minval=1, inline="macdLens")

// Entry filters (optional)
groupFilters = "Entry filters"
useEntryBuffer = input.bool(false, "Require entry buffer (ATR)", group=groupFilters, tooltip="If enabled, the close must be beyond the Money Line by the buffer amount to avoid wick flips.")
entryBufferATR = input.float(0.15, "Buffer size (in ATR)", minval=0.0, step=0.05, group=groupFilters, tooltip="0.10–0.20 works well on 1h.")
confirmBars = input.int(0, "Bars to confirm after flip", minval=0, maxval=2, group=groupFilters, tooltip="0 = signal on flip bar. 1 = wait one bar.")
useAdx = input.bool(false, "Use ADX trend-strength filter", group=groupFilters, tooltip="If enabled, require ADX to be above a threshold to reduce chop.")
adxLen = input.int(14, "ADX Length", minval=1, group=groupFilters)
adxMin = input.int(20, "ADX minimum", minval=0, maxval=100, group=groupFilters)

// Determine effective parameters based on selected mode/profile
var string activeProfile = ""
resSec = timeframe.in_seconds(timeframe.period)
isMinutes = resSec < 3600
isHours = resSec >= 3600 and resSec < 86400
isDaily = resSec >= 86400 and resSec < 604800
isWeeklyOrMore = resSec >= 604800

// Resolve profile bucket
string profileBucket = "Single"
if paramMode == "Single"
    profileBucket := "Single"
else
    if profileOverride == "Minutes"
        profileBucket := "Minutes"
    else if profileOverride == "Hours"
        profileBucket := "Hours"
    else if profileOverride == "Daily"
        profileBucket := "Daily"
    else if profileOverride == "Weekly/Monthly"
        profileBucket := "Weekly/Monthly"
    else
        profileBucket := isMinutes ? "Minutes" : isHours ? "Hours" : isDaily ? "Daily" : "Weekly/Monthly"

atrPeriod = profileBucket == "Single" ? atrPeriodSingle : profileBucket == "Minutes" ? atr_m : profileBucket == "Hours" ? atr_h : profileBucket == "Daily" ? atr_d : atr_w
multiplier = profileBucket == "Single" ? multiplierSingle : profileBucket == "Minutes" ? mult_m : profileBucket == "Hours" ? mult_h : profileBucket == "Daily" ? mult_d : mult_w
activeProfile := profileBucket

// Core Money Line logic (with selectable source)
// Build selected source OHLC
haTicker = ticker.heikinashi(syminfo.tickerid)
[haO, haH, haL, haC] = request.security(haTicker, timeframe.period, [open, high, low, close], lookahead=barmerge.lookahead_off)
calcH = srcMode == "Heikin Ashi" ? haH : high
calcL = srcMode == "Heikin Ashi" ? haL : low
calcC = srcMode == "Heikin Ashi" ? haC : close

// ATR on selected source
tr = math.max(calcH - calcL, math.max(math.abs(calcH - calcC[1]), math.abs(calcL - calcC[1])))
atr = ta.rma(tr, atrPeriod)
src = (calcH + calcL) / 2

up = src - (multiplier * atr)
dn = src + (multiplier * atr)

var float up1 = na
var float dn1 = na

up1 := nz(up1[1], up)
dn1 := nz(dn1[1], dn)

up1 := calcC[1] > up1 ? math.max(up, up1) : up
dn1 := calcC[1] < dn1 ? math.min(dn, dn1) : dn

var int trend = 1
var float tsl = na

tsl := nz(tsl[1], up1)

if trend == 1
    tsl := math.max(up1, tsl)
    trend := calcC < tsl ? -1 : 1
else
    tsl := math.min(dn1, tsl)
    trend := calcC > tsl ? 1 : -1

supertrend = tsl

// Plot the Money Line
upTrend = trend == 1 ? supertrend : na
downTrend = trend == -1 ? supertrend : na

plot(upTrend, "Up Trend", color=color.new(color.green, 0), style=plot.style_linebr, linewidth=2)
plot(downTrend, "Down Trend", color=color.new(color.red, 0), style=plot.style_linebr, linewidth=2)

// Show active profile on chart as a label (once per bar close)
showProfileLabel = input.bool(true, "Show active profile label", group="Profiles")
var label profLbl = na
if barstate.islast and showProfileLabel
    if not na(profLbl)
        label.delete(profLbl)
    profLbl := label.new(bar_index, close, text="Profile: " + activeProfile + " | ATR=" + str.tostring(atrPeriod) + " Mult=" + str.tostring(multiplier), yloc=yloc.price, style=label.style_label_upper_left, textcolor=color.white, color=color.new(color.blue, 20))

// MACD confirmation logic
[macdLine, macdSignal, macdHist] = ta.macd(macdSrc, macdFastLen, macdSlowLen, macdSigLen)
longOk = not useMacd or (macdLine > macdSignal)
shortOk = not useMacd or (macdLine < macdSignal)

// Plot buy/sell signals (gated by optional MACD)
buyFlip = trend == 1 and trend[1] == -1
sellFlip = trend == -1 and trend[1] == 1

// ADX computation (manual) and gate on selected source
upMove = calcH - calcH[1]
downMove = calcL[1] - calcL
plusDM = (upMove > downMove and upMove > 0) ? upMove : 0.0
minusDM = (downMove > upMove and downMove > 0) ? downMove : 0.0
trADX = math.max(calcH - calcL, math.max(math.abs(calcH - calcC[1]), math.abs(calcL - calcC[1])))
atrADX = ta.rma(trADX, adxLen)
plusDI = atrADX == 0.0 ? 0.0 : 100.0 * ta.rma(plusDM, adxLen) / atrADX
minusDI = atrADX == 0.0 ? 0.0 : 100.0 * ta.rma(minusDM, adxLen) / atrADX
dx = (plusDI + minusDI == 0.0) ? 0.0 : 100.0 * math.abs(plusDI - minusDI) / (plusDI + minusDI)
adxVal = ta.rma(dx, adxLen)
adxOk = not useAdx or (adxVal > adxMin)

// Entry buffer gates relative to current Money Line
longBufferOk = not useEntryBuffer or (calcC > supertrend + entryBufferATR * atr)
shortBufferOk = not useEntryBuffer or (calcC < supertrend - entryBufferATR * atr)

// Confirmation bars after flip
buyReady = ta.barssince(buyFlip) == confirmBars
sellReady = ta.barssince(sellFlip) == confirmBars

// Final gated signals
finalLongSignal = buyReady and longOk and adxOk and longBufferOk
finalShortSignal = sellReady and shortOk and adxOk and shortBufferOk

plotshape(finalLongSignal, title="Buy Signal", location=location.belowbar, color=color.green, style=shape.circle, size=size.small)
plotshape(finalShortSignal, title="Sell Signal", location=location.abovebar, color=color.red, style=shape.circle, size=size.small)

// Alerts for final signals (set to 'Once per bar close' in the alert dialog)
alertcondition(finalLongSignal, title="Bullmania Buy", message="Buy {{ticker}} {{interval}} | Profile={{activeProfile}} ATR={{atrPeriod}} Mult={{multiplier}}")
alertcondition(finalShortSignal, title="Bullmania Sell", message="Sell {{ticker}} {{interval}} | Profile={{activeProfile}} ATR={{atrPeriod}} Mult={{multiplier}}")

// Fill area between price and Money Line
fill(plot(close, display=display.none), plot(upTrend, display=display.none), color=color.new(color.green, 90))
fill(plot(close, display=display.none), plot(downTrend, display=display.none), color=color.new(color.red, 90))