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

#ifndef MQLCYBYLEO_SRC_STEPS_BACKCOMPARER_MQH
#define MQLCYBYLEO_SRC_STEPS_BACKCOMPARER_MQH

//+------------------------------------------------------------------+
//| Include                                                          |
//+------------------------------------------------------------------+
//--- Resultados
#include "..\\BacktestResults\\Base.mqh"
//--- Procolo de comunicaion con el orquestaodr del CI
#include "..\\Core\\Def.mqh"
//--- Procolo de comuniciopn con el runner del tester
#include <TSN\\ExtraCodes\\RunnerProtDef.mqh>
//--- Funciones basicas
#include <TSN\\MQLArticles\\Utils\\Basic.mqh>
//--- Compilacion
#include <TSN\\ExtraCodes\\Func.mqh>


//+------------------------------------------------------------------+
//| Enums \ Structs \ Intefaces                                      |
//+------------------------------------------------------------------+
enum ENUM_BACKCOMPARARER_STATE
 {
  BACKCOMPARER_STATE_FIRST_EVALUATE = 0,
  BACKCOMPARER_STATE_LAST_EVALUATE
 };

//---
interface IBackResComparer
 {
// true si hay diferencia false si no lo haya (todo ok)
  bool CompareBack(const BackRes& back_prev, const BackRes& back_curr, string& msg);
 };

//---
struct BackComparerConfig
 {
  MTTesterTask       backtests[];       // configs de cada backtest
  string             expert_path_exe;      // path del ea a ejecutar
  string             expert_path_compile; // compilar
  string             file_ea_comunication; // donde el EA escribe su BackRes
  string             folder_path_comunication_tester;
  string             test_name;
  long               chart_id_orquestador;
  IBackResComparer*   comparador;        // quien decide si paso o no
  uint               timeout_ms_compile;
  bool               common_folder;
 };

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
class CBackEaComparer : public CLoggerBase
 {
private:
  //---
  ENUM_BACKCOMPARARER_STATE m_state;
  IBackResComparer*   m_comparador;

  //---
  MTTesterTask       m_backtests_config[];
  int                m_backtests_config_size;

  //---
  BackRes            m_back_res_prev[];
  BackRes            m_back_res_current[];
  int                m_pos_back_res;

  //---
  string             m_expert_path_exe;
  string             m_expert_path_compile;
  string             m_file_ea_comunication;
  bool               m_common_folder;
  string             m_folder_path_comunication_tester;
  const long         m_current_chart_id;
  long               m_chart_id_orquestador;
  string             m_test_name;
  uint               m_max_timeout_ms_compile;
  long               m_chart_id_runner;

  //--- Funciones
  // Procesar evento de mttester
  void               RecibirEventoFinishBack(const bool exito, const string& sparam_log);
  // Mandar eventos de ejeuccion de backtet
  void               SendBacktestCommand();
  // Compilar
  bool               CompileEa();
  // Comparar
  void               CompararResultados();



public:
                     CBackEaComparer(void) : m_current_chart_id(ChartID()) {}
                    ~CBackEaComparer(void);


  //---
  void               Init(const BackComparerConfig& init);

  //---
  void               ChartEvent(const int32_t id, const long& lparam, const double& dparam, const string& sparam);
 };

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
CBackEaComparer::~CBackEaComparer(void)
 {
  if(CheckPointer(m_comparador) == POINTER_DYNAMIC)
    delete m_comparador;
 }

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CBackEaComparer::Init(const BackComparerConfig& init)
 {
//---
  m_expert_path_exe = init.expert_path_exe;
  m_expert_path_compile = init.expert_path_compile;
  m_file_ea_comunication = init.file_ea_comunication;
  m_common_folder = init.common_folder;
  m_folder_path_comunication_tester = init.folder_path_comunication_tester;
  m_chart_id_orquestador = init.chart_id_orquestador;
  m_test_name  = init.test_name;
  m_comparador = init.comparador;
  m_max_timeout_ms_compile = init.timeout_ms_compile;
  m_chart_id_runner = DEFMTTesterGetChartId();

//---
  m_backtests_config_size = ArrayCopyAll(m_backtests_config, init.backtests);
  ArrayResize(m_back_res_prev, m_backtests_config_size);
  ArrayResize(m_back_res_current, m_backtests_config_size);

//---
  m_state = BACKCOMPARER_STATE_FIRST_EVALUATE;
  m_pos_back_res = 0;

//---
  SendBacktestCommand();
 }

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CBackEaComparer::CompararResultados(void)
 {
//---
  if(!::CheckPointer(m_comparador))
   {
    LogError("No hay comparador asignado", FUNCION_ACTUAL);
    //---
    ::EventChartCustom(m_chart_id_orquestador, CIBYLEO_ONEVENT_RES, CYBYLEO_CODE_ERROR, 0.00, m_test_name);
    Remover();
    return;
   }

//---
  for(int i = 0; i < m_backtests_config_size; i++)
   {
    static string msg;
    if(m_comparador.CompareBack(m_back_res_prev[i], m_back_res_current[i], msg))
     {
      LogError(StringFormat("Resultados difieren en config[%d], mes:\n%s", i, msg), FUNCION_ACTUAL);
      //---
      ::EventChartCustom(m_chart_id_orquestador, CIBYLEO_ONEVENT_RES, CYBYLEO_CODE_ERROR, 0.00, m_test_name);
      Remover();
      return;
     }
   }

//---
  ::EventChartCustom(m_chart_id_orquestador, CIBYLEO_ONEVENT_RES, CYBYLEO_CODE_SUCCES, 0.00, m_test_name);
  Remover(); // Sale
 }

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
bool CBackEaComparer::CompileEa(void)
 {
// PATh libre tal cual
  string log_path;
  if(!CompileFileWithLogFile(TERMINAL_MT5_ROOT + m_expert_path_compile, log_path, m_max_timeout_ms_compile))
   {
    LogError(StringFormat("Fallo al compilar: %s", m_expert_path_compile), FUNCION_ACTUAL);
    //---
    ::EventChartCustom(m_chart_id_orquestador, CIBYLEO_ONEVENT_RES, CYBYLEO_CODE_ERROR, 0.00, m_test_name);
    Remover();
    return false;
   }
  return true;
 }

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CBackEaComparer::SendBacktestCommand(void)
 {
//---
// Aqui nos encargaremos de ejecutar los backtest inciales
//--- Corremos asi tal cual
  for(int i = 0; i < m_backtests_config_size; i++)
   {
    const string full_path = m_folder_path_comunication_tester + StringFormat("data_back_%d.csv", i);
    // Asignamos los campso
    m_backtests_config[i].expert_path = m_expert_path_exe;  // le tenemos que aumentar el .ex5
    m_backtests_config[i].chart_id_from = m_current_chart_id;

    //--- Creamos el archivo
    if(!DEFMMTesterCreateFileWriteData(full_path, m_common_folder, m_backtests_config[i].ToString()))
     {
      //--- Imprimimos error
      LogError(StringFormat("Fallo al guardar config para: %s", full_path), FUNCION_ACTUAL);
      // Salimos
      ::EventChartCustom(m_chart_id_orquestador, CIBYLEO_ONEVENT_RES, CYBYLEO_CODE_ERROR, 0.00, m_test_name);
      Remover();
      return;
     }

    //--- Enviamos evento
    ::ResetLastError();
    if(!::EventChartCustom(m_chart_id_runner, DEFMTTESTER_E_ON_TASK, m_current_chart_id, DEFMTTESTER_TO_DBL_ON_TASK(m_common_folder), full_path))
     {
      //--- Imprimimos el err
      LogError(StringFormat("Fallo al enviar evento de run back para %s\nUltimo error = %d", full_path, ::GetLastError()), FUNCION_ACTUAL);
      // Salimos
      ::EventChartCustom(m_chart_id_orquestador, CIBYLEO_ONEVENT_RES, CYBYLEO_CODE_ERROR, 0.00, m_test_name);
      Remover();
      return;
     }
   }
 }

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CBackEaComparer::RecibirEventoFinishBack(const bool exito, const string &sparam_log)
 {
//--- Check inicial
  if(!exito)
   {
    // En caso al ejeuctar el backtest hayamos recibido un error entonces daremos por temrinado el test
    LogError("Fallo al ejeuctar EA", FUNCION_ACTUAL);
    // Salimos
    ::EventChartCustom(m_chart_id_orquestador, CIBYLEO_ONEVENT_RES, CYBYLEO_CODE_ERROR, 0.00, m_test_name);
    Remover();
    return;
   }

//--- Cargamos resultados
  if(m_state == BACKCOMPARER_STATE_FIRST_EVALUATE)
   {
    if(!m_back_res_prev[m_pos_back_res++].Load(m_file_ea_comunication, m_common_folder))
     {
      LogError("Fallo al cargar resultados de backtest de EA", FUNCION_ACTUAL);
      // Salimos
      ::EventChartCustom(m_chart_id_orquestador, CIBYLEO_ONEVENT_RES, CYBYLEO_CODE_ERROR, 0.00, m_test_name);
      Remover();
      return;
     }

    // Ya lo tenemos cargado
    if(m_pos_back_res >= m_backtests_config_size) // Superamos siguiente paso
     {
      m_state = BACKCOMPARER_STATE_LAST_EVALUATE; // Siguiente
      m_pos_back_res = 0;
      if(!CompileEa())
        return;
      SendBacktestCommand();
     }
   }
  else
   {
    if(!m_back_res_current[m_pos_back_res++].Load(m_file_ea_comunication, m_common_folder))
     {
      LogError("Fallo al cargar resultados de backtest de EA", FUNCION_ACTUAL);
      // Salimos
      ::EventChartCustom(m_chart_id_orquestador, CIBYLEO_ONEVENT_RES, CYBYLEO_CODE_ERROR, 0.00, m_test_name);
      Remover();
      return;
     }

    // Ya lo tenemos cargado
    if(m_pos_back_res >= m_backtests_config_size) // Superamos siguiente paso
     {
      m_pos_back_res = 0;
      CompararResultados();
     }
   }
 }

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CBackEaComparer::ChartEvent(const int id, const long &lparam, const double &dparam, const string &sparam)
 {
//--- de vuelta
//lparam = combinacion de banderas en caso de error 0 exito total
//sparam = se empaqueta como (chartid|log)
//dparam = nada

//---
// Si se finaliza
  if(id == CHARTEVENT_CUSTOM + DEFMTTESTER_E_FINISH_TASK)
   {
    //---
    static string arr[2];
    if(StringSplit(sparam, DEFMTTESTER_OUT_SPARAM_SEP_U, arr) != DEFMTTESTER_OUT_SPARAM_TOTAL) // formato invalido
     {
      return;
     }

    //---
    const long chart_id = long(arr[DEFMTTESTER_OUT_SPARAM_IDX_CHARTID]);
    Print("Nuevo evento chart_id =", chart_id);
    if(chart_id != m_current_chart_id)
      return;

    //---
    LogInfo(StringFormat("Evento recibido desde = %I64d | Resultado = %I64d", chart_id, lparam), FUNCION_ACTUAL);

    //---
    RecibirEventoFinishBack((lparam == DEFMTTESTER_TESTER_R_EXITO), arr[DEFMTTESTER_OUT_SPARAM_IDX_LOG]);
   }
 }
//+------------------------------------------------------------------+
#endif // MQLCYBYLEO_SRC_STEPS_BACKCOMPARER_MQH