//+------------------------------------------------------------------+
//|                                                   ScalerBase.mqh |
//|                                             Copyright 2026, Leo. |
//|                                             https://www.mql5.com |
//+------------------------------------------------------------------+
#property copyright "Copyright 2026, Leo."
#property link      "https://www.mql5.com/en/users/nique_372"
#property strict

#ifndef SCALERBYLEO_SRC_SCALER_SCALERBASE_MQH
#define SCALERBYLEO_SRC_SCALER_SCALERBASE_MQH

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
#include "Defines.mqh"
#include "..\\..\\..\\MQLArticles\\Utils\\Basic.mqh"

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
namespace TSN
{
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
#define SCALER_BASE_MIN_VALUE 1e-10

//+------------------------------------------------------------------+
//|                         Scaler Base                              |
//+------------------------------------------------------------------+
class ScalerBase
 {
protected:
  ulong              m_i_start;       // Columna/índice de inicio del rango a escalar
  long               m_i_count;       // >0: N elementos desde m_i_start | <0: excluir |N| del final | LONG_MAX: todo
  string             m_file_name_out;
  string             m_prefix_file;
  bool               m_loaded_scaler;
  bool               m_reconstruir;   // true: el output conserva el tamaño total (afuera del rango queda sin tocar)
  ENUM_SCALERBYLEO_ERROR m_last_err;
  ENUM_SCALERBYLEO_TYPE  m_type;      // lo inicializa cada hija en su constructor

public:
                     ScalerBase(void);
                    ~ScalerBase(void) {}

  //--- Tipo
  __forceinline ENUM_SCALERBYLEO_TYPE Type() const { return m_type; }

  //--- Rango
  inline void        SetRangeEscaler(ulong start, long count = LONG_MAX);  // Custom
  inline void        SetRangeEscaler(long count = -1);                       // Excluir últimas N columnas

  //--- Reconstrucción de salida
  inline void        SetReconstruir(bool val) { m_reconstruir = val;  }
  inline bool        GetReconstruir() const   { return m_reconstruir; }

  //--- Error
  inline ENUM_SCALERBYLEO_ERROR GetLastScalerError() const { return m_last_err; }
  __forceinline void ResetLastErr() { m_last_err = SCALERBYLEO_ERR_NONE;        }

  //--- Común
  inline string      GetOutputFile() const { return m_file_name_out; }

  //--- Carga
  virtual bool       LoadByArr(const string &arr[]) = 0;
  bool               LoadByStr(const string &str, const ushort separator);
 };

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
ScalerBase::ScalerBase(void)
  : m_i_start(0), m_i_count(LONG_MAX), m_file_name_out(NULL), m_prefix_file(NULL),
    m_loaded_scaler(false), m_reconstruir(false), m_last_err(SCALERBYLEO_ERR_NONE),
    m_type(SCALERBYLEO_SCALER_TYPE_MINMAX)
 {
 }

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
inline void ScalerBase::SetRangeEscaler(ulong start, long count = LONG_MAX)
 {
  m_i_start = start;
  m_i_count = count;
 }

//+------------------------------------------------------------------+
inline void ScalerBase::SetRangeEscaler(long count = -1)
 {
  m_i_start = 0;
  m_i_count = count;
 }

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
bool ScalerBase::LoadByStr(const string &str, const ushort separator)
 {
  string arr[];
  if(StringSplit(str, separator, arr) <= 0)
   {
    m_last_err = SCALERBYLEO_ERR_INVALID_DATA;
    return false;
   }
  return LoadByArr(arr);
 }
}
#endif // SCALERBYLEO_SRC_SCALER_SCALERBASE_MQH
//+------------------------------------------------------------------+