target tendance

//version=6
indicator("target tendance", "TT", overlay = true)

// Trend settings
st_factor = input.float(12, title="Supertrend Factor", minval=1, step=0.5, group="Trend Settings",
tooltip="Multiplier for the ATR to determine Supertrend bands width. Higher values create wider bands and fewer signals.")
st_atr_period = input.int(90, title="Supertrend ATR Period", minval=1, group="Trend Settings",
tooltip="Number of bars used to calculate the ATR for Supertrend. Longer periods create smoother, less reactive bands.")
wma_length = input.int(40, title="WMA Length", minval=1, group="Trend Settings",
tooltip="Length of the Weighted Moving Average applied to the SuperTrend. Higher values create smoother, less reactive lines.")
ema_length = input.int(14, title="EMA Length", minval=1, group="Trend Settings",
tooltip="Length of the Exponential Moving Average applied to the WMA. Controls the final smoothness of the trend line.")

//Continuation settings
cont_factor = input.int(3, title="Confirmation count", minval=1, group="Rejection Settings",
tooltip="Number of consecutive bars that must consolidate at the trend line before a rejection signal is generated. Higher values require more bars to confirm a trend.")

// Volatility settings
shw_TP1 = input.bool(true, title="Show Take Profit Levels", group="Targets",
tooltip="Toggle visibility of take profit target levels on the chart.")
atr_period = input.int(14, title="Volatility (ATR) period", minval=1, group="Targets",
tooltip="Number of bars used to calculate the Average True Range for position sizing and targets.")
sl_multiplier = input.float(5, title="Stop Loss ATR Multiplier", minval=0.1, step=0.1, group="Targets",
tooltip="Multiplier applied to ATR to determine stop loss distance from entry. Higher values place stops further away.")
tp1_multiplier = input.float(0.5, title="TP1 Multiplier", minval=0.1, step=0.1, tooltip="Multiple of SL distance for first take profit target.", group="Targets")
tp2_multiplier = input.float(1.0, title="TP2 Multiplier", minval=0.1, step=0.1, tooltip="Multiple of SL distance for second take profit target.", group="Targets")
tp3_multiplier = input.float(1.5, title="TP3 Multiplier", minval=0.1, step=0.1, tooltip="Multiple of SL distance for third take profit target.", group="Targets")

volatility = ta.atr(atr_period)
// Appearance settings
green = input.color(#95eed6, title="Bullish Color", tooltip="Color used for bullishness", group="Appearance")
red = input.color(#ff1100, title="Bearish Color", tooltip="Color used for bearishness", group="Appearance")


pine_supertrend(factor, atrPeriod) =>
src = hl2
atr = ta.atr(atrPeriod)
upperBand = src + factor * atr
lowerBand = src - factor * atr
prevLowerBand = nz(lowerBand[1])
prevUpperBand = nz(upperBand[1])

lowerBand := lowerBand > prevLowerBand or close[1] < prevLowerBand ? lowerBand : prevLowerBand
upperBand := upperBand < prevUpperBand or close[1] > prevUpperBand ? upperBand : prevUpperBand

[lowerBand, upperBand]

[lwr, upr] = pine_supertrend(st_factor, st_atr_period)
tL = ta.ema(ta.wma(math.avg(lwr, upr), wma_length), ema_length)

var trend = 0
if ta.crossover(tL, tL[1])
trend := 1
if ta.crossunder(tL, tL[1])
trend := -1

var rejcount = 0

bullishrej = trend == 1 and high > tL and low < tL
bearishrej = trend == -1 and high > tL and low < tL

if (bullishrej or bearishrej)
rejcount += 1

if ta.cross(trend, 0) or (not (bullishrej or bearishrej) and rejcount > 0)
rejcount := 0

plotchar((rejcount > cont_factor and trend == 1) ? tL : na, "Bullish Rejection", "▲", location.belowbar, green, size = size.tiny)
plotchar((rejcount > cont_factor and trend == -1) ? tL : na, "Bearish Rejection", "▼", location.abovebar, red, size = size.tiny)

plot(tL, "Baseline", color=trend == 1 ? color.new(green, 50) : color.new(red, 50), linewidth = 2)

barcolor(trend == 1 ? color.new(green, 50) : color.new(red, 50))

plotshape(ta.crossover(tL, tL[1]) ? tL : na, title="Bullish Trend Change", style=shape.labelup, location=location.absolute, size=size.small, color=green)
plotshape(ta.crossunder(tL, tL[1]) ? tL : na, title="Bearish Trend Change", style=shape.labeldown, location=location.absolute, size=size.small, color=red)

longSignal = ta.crossover(trend, 0)
shortSignal = ta.crossunder(trend, 0)
var SL = 0.0
var TP1_lvl = 0.0
var TP2_lvl = 0.0
var TP3_lvl = 0.0
var line entry_line = na
var line sl_line = na
var line tp1_line = na
var line tp2_line = na
var line tp3_line = na
var label entry_label = na
var label sl_label = na
var label tp1_label = na
var label tp2_label = na
var label tp3_label = na

if longSignal and shw_TP1
SL := low - volatility * sl_multiplier
TP1_lvl := close + math.abs(close - SL) * tp1_multiplier
TP2_lvl := close + math.abs(close - SL) * tp2_multiplier
TP3_lvl := close + math.abs(close - SL) * tp3_multiplier
entry_line := line.new(bar_index, close, bar_index, close, color = green, width = 3)
entry_label := label.new(bar_index, close, text = "Entry ▸ " + str.tostring(close, format.mintick), style = label.style_label_left, color = green, textcolor = color.white)

sl_line := line.new(bar_index, SL, bar_index, SL, color = color.new(red, 80), width = 3)
sl_label := label.new(bar_index, SL, text = "✘ SL ▸ " + str.tostring(SL, format.mintick), style = label.style_label_left, color = color.new(red, 80), textcolor = color.white)