//+------------------------------------------------------------------+
//|                                                     AltDataFeed.mqh |
//|                                                     AnimateDread |
//|                                                                  |
//| THE DAILY MACRO / POSITIONING BLOCK, read once at init.           |
//|                                                                   |
//| Common\Files\ADAltData\<symbol>_D1.csv - 6,096 rows, 2010-01-01   |
//| onward, semicolon separated. Sixteen usable columns: VIX and its  |
//| 5-day change, the dollar's 5-day change, COT speculative net plus |
//| its 1y/3y percentiles and 4-week change, three EIA inventory      |
//| series, and six macro series (10y, curve, breakeven, output gap,  |
//| CPI, unemployment).                                               |
//|                                                                   |
//| ⚠ ivol AND ivol_chg5 ARE EMPTY IN EVERY ROW and are not loaded.   |
//| Measured 2026-09-11: 0.0% filled on EURUSD, against ~100% for the |
//| other sixteen. Loading them would hand the network two constant   |
//| zero columns, which is not neutral - it spends input width and    |
//| lets the optimiser fit noise through the bias attached to them.   |
//|                                                                   |
//| WHY IT CANNOT LOOK AHEAD. A row dated D carries values known at   |
//| D's close. Features are built from shift 1 - the last CLOSED bar  |
//| - so the row matching that bar's date was fully observable before |
//| the bar being decided even opened. `Lookup` therefore takes the   |
//| newest row whose date is <= the closed bar's date, never the row  |
//| after it, and a missing date resolves BACKWARD (a holiday reads   |
//| Friday's macro state, which is what a trader would have had).     |
//|                                                                   |
//| AND WHY IT IS NOT ZERO-FILLED. The series begin in 2010. A run    |
//| starting earlier must SKIP those bars, not pad them: a column of  |
//| zeros for 2005-2009 teaches the network the era rather than the   |
//| market, and it would learn "alt data absent" as a tradeable       |
//| state. Lookup() returns false and the caller drops the row.       |
//+------------------------------------------------------------------+
#ifndef WARRIOR_ALTDATA_FEED_MQH
#define WARRIOR_ALTDATA_FEED_MQH

#define ALT_COLUMNS 16

class CAltDataFeed
  {
private:
   datetime          m_date[];          // ascending, one per row
   double            m_val[];           // flat, ALT_COLUMNS per row
   int               m_rows;
   string            m_why;
   string            m_loadedFor;

   //--- The CSV's own column order, minus the two empty ones. Index into the split line.
   //--- 0=date 1=vix 2=vix_chg5 3=usd_chg5 [4=ivol 5=ivol_chg5 SKIPPED] 6=cot_spec_net
   //--- 7=cot_idx_1y 8=cot_idx_3y 9=cot_chg_4w 10..12=eia 13..18=mac
   static void       SourceColumns(int &c[])
     {
      ArrayResize(c, ALT_COLUMNS);
      int k = 0;
      c[k++] = 1;  c[k++] = 2;  c[k++] = 3;
      c[k++] = 6;  c[k++] = 7;  c[k++] = 8;  c[k++] = 9;
      c[k++] = 10; c[k++] = 11; c[k++] = 12;
      c[k++] = 13; c[k++] = 14; c[k++] = 15; c[k++] = 16; c[k++] = 17; c[k++] = 18;
     }

public:
                     CAltDataFeed(void) : m_rows(0), m_why("not loaded"), m_loadedFor("") {}
                    ~CAltDataFeed(void) {}

   bool              Ok(void)   const { return m_rows > 0; }
   int               Rows(void) const { return m_rows; }
   string            Why(void)  const { return m_why; }
   static string     ColumnName(const int i);

   bool              Load(const string symbol);
   //--- Values for the bar CLOSING at `when`. False when the date predates the series.
   bool              Lookup(const datetime when, double &out[]) const;
  };
//+------------------------------------------------------------------+
string CAltDataFeed::ColumnName(const int i)
  {
   switch(i)
     {
      case 0:  return "vix";
      case 1:  return "vix_chg5";
      case 2:  return "usd_chg5";
      case 3:  return "cot_spec_net";
      case 4:  return "cot_idx_1y";
      case 5:  return "cot_idx_3y";
      case 6:  return "cot_chg_4w";
      case 7:  return "eia_stk_idx1y";
      case 8:  return "eia_stk_chg4";
      case 9:  return "eia_util";
      case 10: return "mac_y10";
      case 11: return "mac_curve";
      case 12: return "mac_bei";
      case 13: return "mac_gap";
      case 14: return "mac_cpi";
      case 15: return "mac_unemp";
     }
   return "?";
  }
//+------------------------------------------------------------------+
bool CAltDataFeed::Load(const string symbol)
  {
   if(m_loadedFor == symbol && m_rows > 0)
      return true;
   m_rows = 0;
   ArrayResize(m_date, 0);
   ArrayResize(m_val, 0);

   const string path = "ADAltData\\" + symbol + "_D1.csv";
   //--- FILE_COMMON: the corpus is shared by the tester and the live terminal, exactly like the
   //--- journal database, so one file serves every agent rather than one copy per sandbox.
   const int h = FileOpen(path, FILE_READ | FILE_TXT | FILE_ANSI | FILE_COMMON);
   if(h == INVALID_HANDLE)
     {
      m_why = StringFormat("cannot open Common\\Files\\%s (%d)", path, GetLastError());
      return false;
     }
   int src[];
   SourceColumns(src);
   string parts[];
   bool   header = true;
   while(!FileIsEnding(h))
     {
      const string line = FileReadString(h);
      if(header)                                  // the column names, not data
        { header = false; continue; }
      if(StringLen(line) < 10)
         continue;
      if(StringSplit(line, ';', parts) < 19)
         continue;
      //--- "2010-01-01" -> "2010.01.01"; StringToTime wants dots.
      string d = parts[0];
      StringReplace(d, "-", ".");
      const datetime when = StringToTime(d);
      if(when == 0)
         continue;
      const int r = m_rows;
      ArrayResize(m_date, r + 1);
      ArrayResize(m_val, (r + 1) * ALT_COLUMNS);
      m_date[r] = when;
      for(int c = 0; c < ALT_COLUMNS; c++)
        {
         const string cell = parts[src[c]];
         //--- An empty cell carries the previous row's value forward - a macro series that has not
         //--- printed yet has not CHANGED either, and the last print is what a trader would be
         //--- acting on. Only the very first rows can have nothing to carry, and they read 0.
         double v = 0.0;
         if(StringLen(cell) > 0)
            v = StringToDouble(cell);
         else
            if(r > 0)
               v = m_val[(r - 1) * ALT_COLUMNS + c];
         m_val[r * ALT_COLUMNS + c] = v;
        }
      m_rows++;
     }
   FileClose(h);
   if(m_rows <= 0)
     {
      m_why = "file opened but no usable rows";
      return false;
     }
   m_loadedFor = symbol;
   m_why = "";
   return true;
  }
//+------------------------------------------------------------------+
bool CAltDataFeed::Lookup(const datetime when, double &out[]) const
  {
   ArrayResize(out, ALT_COLUMNS);
   ArrayInitialize(out, 0.0);
   if(m_rows <= 0 || when < m_date[0])
      return false;                                // predates the series - the caller drops the row
   //--- Newest row at or before `when`. Binary search: this runs once per training row, and a
   //--- linear scan over 6,000 rows x 4,000 rows of training is 24M comparisons per fit.
   int lo = 0, hi = m_rows - 1, best = -1;
   while(lo <= hi)
     {
      const int mid = (lo + hi) / 2;
      if(m_date[mid] <= when)
        { best = mid; lo = mid + 1; }
      else
         hi = mid - 1;
     }
   if(best < 0)
      return false;
   for(int c = 0; c < ALT_COLUMNS; c++)
      out[c] = m_val[best * ALT_COLUMNS + c];
   return true;
  }
//+------------------------------------------------------------------+
//| ONE FEED PER CHART, like the Wyckoff one and for the same reason. |
//+------------------------------------------------------------------+
CAltDataFeed g_altData;
#endif // WARRIOR_ALTDATA_FEED_MQH