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// --- Manual Weekly Data Calculation ---
defparam drawonlastbaronly=true
ONCE weekIndex = 0
// Current week tracking variables
ONCE currentWeekHigh = High
ONCE currentWeekLow = Low
// Historical weekly values (W1 = last week, W2 = 2 weeks ago, W3 = 3 weeks ago)
ONCE weekHigh1 = 0
ONCE weekLow1 = 0
ONCE weekClose1 = 0

ONCE weekHigh2 = 0
ONCE weekLow2 = 0
ONCE weekClose2 = 0

ONCE weekHigh3 = 0
ONCE weekLow3 = 0
ONCE weekClose3 = 0

IF DayOfWeek < DayOfWeek[1] THEN
   // A new week has started: Shift historical values
   weekHigh3 = weekHigh2
   weekLow3 = weekLow2
   weekClose3 = weekClose2
   
   weekHigh2 = weekHigh1
   weekLow2 = weekLow1
   weekClose2 = weekClose1
   
   weekHigh1 = currentWeekHigh
   weekLow1 = currentWeekLow
   weekClose1 = Close[1]
   
   // Reset trackers for the new week
   currentWeekHigh = High
   currentWeekLow = Low
   weekIndex = weekIndex + 1
ELSE
   // Update high and low during the current week
   IF High > currentWeekHigh THEN
      currentWeekHigh = High
   ENDIF
   
   IF Low < currentWeekLow THEN
      currentWeekLow = Low
   ENDIF
ENDIF

// --- Indicator Logic ---

// Only calculate if we have at least 3 full weeks of data
IF weekIndex >= 3 THEN
   // PL Dot calculation
   plDotW1 = (weekHigh1 + weekLow1 + weekClose1) / 3
   plDotW2 = (weekHigh2 + weekLow2 + weekClose2) / 3
   plDotW3 = (weekHigh3 + weekLow3 + weekClose3) / 3
   
   plDotWeekly = (plDotW1 + plDotW2 + plDotW3) / 3
   
   // Envelope Top and Bottom
   envelopeTopWeekly = (weekHigh1 + weekHigh2 + weekHigh3) / 3
   envelopeBottomWeekly = (weekLow1 + weekLow2 + weekLow3) / 3
   
   // Offset for text
   vOffset = 0 * PipSize
   
   // Drawing elements
   DRAWTEXT("EnvTop Weekly", barindex, envelopeTopWeekly + vOffset, SansSerif, Bold, 10)
   DRAWSEGMENT(barindex, envelopeTopWeekly, barindex + 10, envelopeTopWeekly)
   
   DRAWTEXT("EnvBottom Weekly", barindex, envelopeBottomWeekly + vOffset, SansSerif, Bold, 10)
   DRAWSEGMENT(barindex, envelopeBottomWeekly, barindex + 10, envelopeBottomWeekly)
   
   DRAWTEXT("PL Dot Weekly", barindex, plDotWeekly + vOffset, SansSerif, Bold, 10)
   DRAWSEGMENT(barindex, plDotWeekly, barindex + 10, plDotWeekly)
ENDIF

RETURN envelopeTopWeekly AS "Envelope Top Weekly", envelopeBottomWeekly AS "Envelope Bottom Weekly", plDotWeekly AS "PL Dot Weekly"