USDT.D MA30 MA200 PRO ULTIME

//version=5
indicator("USDT.D MA30 MA200 PRO ULTIME", shorttitle="USDT.D Pro", overlay=false, max_labels_count=500, max_lines_count=500)

///// PARAMETRES COMPLETS /////
len30 = input.int(30, "MA30 Periode", minval=1, maxval=500)
len200 = input.int(200, "MA200 Periode", minval=1, maxval=1000)
tf = input.timeframe("1D", "Timeframe USDT.D")
normalize = input.bool(true, "Normaliser 0-100")
forceLive = input.bool(true, "Force Update Live")
showDebug = input.bool(false, "Tableau Debug")
showAlerts = input.bool(true, "Alertes Cross")

///// RECUPERATION MULTI-SOURCES + ANTI-PLAT /////
usdt1 = request.security("TVC:USDT.D", tf, close, ignore_invalid_symbol=true, lookahead=barmerge.lookahead_off)
usdt2 = request.security("CRYPTOCAP:USDT.D", tf, close, ignore_invalid_symbol=true, lookahead=barmerge.lookahead_off)
usdtD = na(usdt1) or (forceLive and barstate.isrealtime) ? usdt2 : usdt1

///// CALCULS MA + DETECTION PLATS CORRIGEE /////
ma30 = ta.sma(usdtD, len30)
ma200 = ta.sma(usdtD, len200)

// CORRECTION CRITIQUE : flat_bars safe
flat30_bars = na(ta.valuewhen(ta.change(ma30) != 0, bar_index, 0)) ? 0 : bar_index - ta.valuewhen(ta.change(ma30) != 0, bar_index, 0)
flat200_bars = na(ta.valuewhen(ta.change(ma200) != 0, bar_index, 0)) ? 0 : bar_index - ta.valuewhen(ta.change(ma200) != 0, bar_index, 0)
isFlat30 = flat30_bars > 10
isFlat200 = flat200_bars > 10

///// NORMALISATION INTELLIGENTE /////
lookback = 1000
ma30_norm = normalize and not na(ma30) ? (ma30 - ta.lowest(ma30, lookback)) / (ta.highest(ma30, lookback) - ta.lowest(ma30, lookback)) * 100 : ma30
ma200_norm = normalize and not na(ma200) ? (ma200 - ta.lowest(ma200, lookback)) / (ta.highest(ma200, lookback) - ta.lowest(ma200, lookback)) * 100 : ma200

///// PLOTS AVANCES /////
ma30_color = isFlat30 ? color.new(color.gray, 50) : (ma30 > ma200 ? color.new(color.lime, 0) : color.new(color.blue, 0))
ma200_color = isFlat200 ? color.new(color.gray, 50) : (ma30 > ma200 ? color.new(color.orange, 20) : color.new(color.red, 0))

p30 = plot(ma30_norm, "MA30", ma30_color, 4)
p200 = plot(ma200_norm, "MA200", ma200_color, 4)
fill(p30, p200, color=ma30_norm > ma200_norm ? color.new(color.green, 88) : color.new(color.red, 88), title="Trend Fill")

///// NIVEAUX REFERENCE /////
hline_level = normalize ? 50 : 5
hline_high = normalize ? 80 : 7
hline_low = normalize ? 20 : 3
hline(hline_high, "Surachat", color=color.red, linestyle=hline.style_dashed, linewidth=2)
hline(hline_low, "Survente", color=color.green, linestyle=hline.style_dashed, linewidth=2)
hline(hline_level, "Milieu", color=color.gray, linestyle=hline.style_solid)

///// SIGNAUX CROSS + PLATS /////
bullCross = ta.crossover(ma30, ma200)
bearCross = ta.crossunder(ma30, ma200)
plotshape(bullCross and showAlerts, "ACHAT", shape.triangleup, location.bottom, color.lime, size=size.normal)
plotshape(bearCross and showAlerts, "VENTE", shape.triangledown, location.top, color.red, size=size.normal)
plotshape(isFlat30, "Plat MA30", shape.xcross, location.top, color.new(color.gray, 0), size=size.tiny)
plotshape(isFlat200, "Plat MA200", shape.xcross, location.bottom, color.new(color.gray, 0), size=size.tiny)
bgcolor((isFlat30 or isFlat200) ? color.new(color.yellow, 92) : na, title="Plat Alert")

///// ALERTES PROFESSIONNELLES /////
alertcondition(bullCross, "USDT.D Bull Cross", "USDT.D: MA30 croise AU-DESSUS MA200")
alertcondition(bearCross, "USDT.D Bear Cross", "USDT.D: MA30 croise EN-DESSOUS MA200")
alertcondition(isFlat30 or isFlat200, "USDT.D Flat", "USDT.D: MA PLAT detecte")

///// TABLEAU DEBUG LIVE CORRIGE /////
if showDebug and barstate.islast
var table dashboard = table.new(position.top_right, 2, 8, bgcolor=color.new(color.white, 10), border_width=2)
table.cell(dashboard, 0, 0, "USDT.D", text_color=color.purple, text_size=size.normal, bgcolor=color.new(color.purple, 90))
table.cell(dashboard, 1, 0, str.tostring(usdtD, "#.###") + "%", text_color=color.white, text_size=size.normal, bgcolor=color.new(color.purple, 90))
table.cell(dashboard, 0, 1, "MA30", text_color=ma30_color, text_size=size.small)
table.cell(dashboard, 1, 1, str.tostring(ma30, "#.###"), text_color=ma30_color, text_size=size.small)
table.cell(dashboard, 0, 2, "MA200", text_color=ma200_color, text_size=size.small)
table.cell(dashboard, 1, 2, str.tostring(ma200, "#.###"), text_color=ma200_color, text_size=size.small)
table.cell(dashboard, 0, 3, "Flat30", text_color=color.gray, text_size=size.small)
table.cell(dashboard, 1, 3, str.tostring(flat30_bars) + "b", text_color=isFlat30 ? color.red : color.green, text_size=size.small)
table.cell(dashboard, 0, 4, "Flat200", text_color=color.gray, text_size=size.small)
table.cell(dashboard, 1, 4, str.tostring(flat200_bars) + "b", text_color=isFlat200 ? color.red : color.green, text_size=size.small)
table.cell(dashboard, 0, 5, "Trend", text_color=color.black, text_size=size.small, bgcolor=color.new(color.yellow, 80))
table.cell(dashboard, 1, 5, ma30 > ma200 ? "HAUSSIER" : "BAISSIER", text_color=ma30 > ma200 ? color.green : color.red, text_size=size.normal, bgcolor=color.new(color.yellow, 80))
table.cell(dashboard, 0, 6, "TF", text_color=color.blue, text_size=size.small)
table.cell(dashboard, 1, 6, tf, text_color=color.blue, text_size=size.small)
table.cell(dashboard, 0, 7, "Plan OK", text_color=not na(usdtD) ? color.green : color.red, text_size=size.small)
table.cell(dashboard, 1, 7, not na(usdtD) ? "OK" : "NO", text_color=not na(usdtD) ? color.green : color.red, text_size=size.normal)