//@version=6
indicator("RSI Reentry Signals Volume Filter", overlay=false)

//====================================================
// PARAMÈTRES
//====================================================

rsiLength = input.int(14, title="RSI Length")

//====================================================
// RSI
//====================================================

rsiValue =
     ta.rsi(close, rsiLength)

//====================================================
// NIVEAUX RSI
//====================================================

upperLevel = 70
lowerLevel = 30

//====================================================
// FILTRE VOLUME
//====================================================

volumeStrong =
     volume > ta.sma(volume, 20)

//====================================================
// AFFICHAGE RSI
//====================================================

plot(
     rsiValue,
     title = "RSI",
     linewidth = 2,
     color = color.white)

h70 =
     hline(
          upperLevel,
          "70",
          color = color.red)

h30 =
     hline(
          lowerLevel,
          "30",
          color = color.green)

fill(
     h70,
     h30,
     color = color.new(color.purple, 85))

//====================================================
// CONDITIONS BUY / SELL
//====================================================

// BUY = RSI repasse au-dessus de 30

buySignal =
     rsiValue > lowerLevel and
     rsiValue[1] <= lowerLevel and
     volumeStrong

// SELL = RSI repasse sous 70

sellSignal =
     rsiValue < upperLevel and
     rsiValue[1] >= upperLevel and
     volumeStrong

//====================================================
// FLÈCHES
//====================================================

plotshape(
     buySignal,
     title = "BUY",
     style = shape.arrowup,
     location = location.bottom,
     color = color.lime,
     size = size.small,
     text = "BUY")

plotshape(
     sellSignal,
     title = "SELL",
     style = shape.arrowdown,
     location = location.top,
     color = color.red,
     size = size.small,
     text = "SELL")

//====================================================
// ALERTES
//====================================================

alertcondition(
     buySignal,
     title = "BUY Alert",
     message = "RSI repasse au-dessus de 30 avec volume fort")

alertcondition(
     sellSignal,
     title = "SELL Alert",
     message = "RSI repasse sous 70 avec volume fort")