//@version=5
// =====================================================================
//  SPX Module 3 — Opening Range Breakout (Long Only)
//
//  What it plots:
//   • Background tint     — daily regime
//   • Aqua / fuchsia line — 15-min OR high / low (drawn after OR completes)
//   • Green ▲ "LONG"      — first break above OR high, only when filters pass
//   • Status label        — regime, gap, OR levels, setup status
//
//  Filter rules built in:
//   • Regime must be StrongUp (above 20 / 50 / 200 daily SMA)
//   • Gap must NOT be a big gap-down (gapPct ≥ -0.5%)
//   • "High-conviction" tag if today's open prints above prior-day high
//
//  Best used on a 5-min SPX chart.
// =====================================================================
indicator("SPX Module 3 — ORB Long", overlay=true, max_labels_count=10)

// === Inputs ===
orMinutes  = input.int(15, "Opening Range minutes", minval=5, maxval=60, step=5)
sessStart  = input.session("0930-1600", "Cash session (exchange time)")
showRegime = input.bool(true, "Tint background by regime")
showOR     = input.bool(true, "Show OR high/low")
showEntry  = input.bool(true, "Show breakout entry")

// === Session detection ===
inSession  = not na(time(timeframe.period, sessStart))
isFirstBar = inSession and not inSession[1]
orBars     = math.max(1, math.floor(orMinutes / math.max(timeframe.multiplier, 1)))
inOR       = inSession and ta.barssince(isFirstBar) < orBars

// === OR state machine ===
var float orHigh    = na
var float orLow     = na
var bool  orDone    = false
var bool  brokeUp   = false
var float entryPx   = na
var int   entryBar  = na
var float todayOpen = na

if isFirstBar
    orHigh    := high
    orLow     := low
    orDone    := false
    brokeUp   := false
    entryPx   := na
    entryBar  := na
    todayOpen := open

if inOR and not isFirstBar
    orHigh := math.max(orHigh, high)
    orLow  := math.min(orLow,  low)

if inSession and not inOR and not orDone
    orDone := true

// First break above OR high after OR completes
trigger = false
if orDone and inSession and not brokeUp and high > orHigh
    brokeUp  := true
    entryPx  := orHigh
    entryBar := bar_index
    trigger  := true

// === Daily regime + gap (from daily timeframe) ===
priorClose = request.security(syminfo.tickerid, "D", close[1], lookahead=barmerge.lookahead_on)
priorHigh  = request.security(syminfo.tickerid, "D", high[1],  lookahead=barmerge.lookahead_on)
dSMA20  = request.security(syminfo.tickerid, "D", ta.sma(close, 20)[1],  lookahead=barmerge.lookahead_on)
dSMA50  = request.security(syminfo.tickerid, "D", ta.sma(close, 50)[1],  lookahead=barmerge.lookahead_on)
dSMA200 = request.security(syminfo.tickerid, "D", ta.sma(close, 200)[1], lookahead=barmerge.lookahead_on)
aboveAll = priorClose > dSMA20 and priorClose > dSMA50 and priorClose > dSMA200
belowAll = priorClose < dSMA20 and priorClose < dSMA50 and priorClose < dSMA200

gapPct       = (todayOpen - priorClose) / priorClose * 100
filterOK     = aboveAll and gapPct > -0.5
strongFilter = filterOK and todayOpen > priorHigh

regimeColor = aboveAll ? color.new(color.green, 92) :
              belowAll ? color.new(color.red,   92) :
                         color.new(color.gray,  95)
bgcolor(showRegime ? regimeColor : na)

// === Plots ===
plot(showOR and orDone ? orHigh : na, "OR High",
     color=color.new(color.aqua, 0), linewidth=2, style=plot.style_linebr)
plot(showOR and orDone ? orLow  : na, "OR Low",
     color=color.new(color.fuchsia, 0), linewidth=2, style=plot.style_linebr)

validTrigger = trigger and filterOK
plotshape(showEntry and validTrigger, title="ORB Long Entry",
          style=shape.triangleup, location=location.belowbar,
          color=color.new(color.green, 0), size=size.normal, text="LONG")

// === Status label on latest bar ===
var label statusLbl = na
if barstate.islast
    label.delete(statusLbl)
    regimeStr = aboveAll ? "StrongUp" : belowAll ? "StrongDown" : "Mixed"
    setupTxt  = filterOK
                  ? (strongFilter ? "✅ HIGH-CONVICTION (open above PDH)"
                                   : "✅ STANDARD long-only setup")
                  : "🚫 SKIP — filters failed"
    statusTxt = brokeUp ? ("📈 ENTERED at " + str.tostring(entryPx, "#.##") +
                           " — exit MOC, stop OR Low")
                        : (orDone ? "⏳ Waiting for break above OR High..."
                                  : "⏳ OR forming...")
    fullText  = "Module 3 — ORB Long\n" +
      "─────────────────\n" +
      "Regime: " + regimeStr + "\n" +
      "Gap:    " + str.tostring(gapPct, "#.##") + "%\n" +
      "OR Hi:  " + str.tostring(orHigh, "#.##") + "\n" +
      "OR Lo:  " + str.tostring(orLow,  "#.##") + "\n" +
      "─────────────────\n" + setupTxt + "\n" + statusTxt
    statusLbl := label.new(bar_index, high, text=fullText,
      style=label.style_label_down,
      color=color.new(color.black, 20),
      textcolor=color.white, size=size.normal)

// === Alerts ===
alertcondition(validTrigger, "M3: ORB Long Entry",
               "M3: ORB break above OR high in StrongUp regime — long entry, exit MOC")