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

#ifndef BASESPARSERSLAN_SRC_DOM_BASE_HEADER_MQH
#define BASESPARSERSLAN_SRC_DOM_BASE_HEADER_MQH

//+------------------------------------------------------------------+
//| Include                                                          |
//+------------------------------------------------------------------+
#include "Main.mqh"
#include <TSN\\GCol\\GenericHashes.mqh>
#include <TSN\\GCol\\HashMap.mqh>

namespace TSN
{
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
class CDomNodeManager;
#define TSN_SBL_BASE_DOM_NULL 7

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
class CDomNodeBase
 {
public:
  CDomNodeManager*   m_ctx;
  int                m_type;
  union Value
   {
    long iv;
    double dv;
    bool bv;
    int ix;
   } m_v;

  //---
                     CDomNodeBase(CDomNodeManager* ctx, const int type, const double v)
    :                m_ctx(ctx), m_type(type) { m_v.dv = v; }
                     CDomNodeBase(CDomNodeManager* ctx, const int type, const long v)
    :                m_ctx(ctx), m_type(type) { m_v.iv = v; }
                     CDomNodeBase(CDomNodeManager* ctx, const int type, const bool v)
    :                m_ctx(ctx), m_type(type) { m_v.bv = v; }
                     CDomNodeBase(CDomNodeManager* ctx, const int type, const string& v)
    :                m_ctx(ctx), m_type(type)
   {
    m_v.ix = m_ctx.ReserveString();
    m_ctx.m_string_stack[m_v.ix] = v;
   }
                     CDomNodeBase(CDomNodeManager* ctx)
    :                m_ctx(ctx), m_type(TSN_SBL_BASE_DOM_NULL) {}
                     CDomNodeBase(CDomNodeManager* ctx, const int type)
    :                m_ctx(ctx), m_type(type) {}

  //---
                     CDomNodeBase() : m_ctx(NULL), m_type(-1) {}
                    ~CDomNodeBase();

  //--- Keys
  __forceinline int  GetKeys(string& out[]) const;
  __forceinline bool HasKey(const string& key) const;
  bool               Remove(const string& key); // Elimina una key

  //--- Acceso
  CDomNodeBase*      operator[](const string& key); // si no existe lo crea..
  CDomNodeBase*      Get(const string& key); // devuelve un puntero null si falla
  CDomNodeBase*      At(const int idx) const;

  //--- Arr
  template <typename T>
  __forceinline int  ToArray(T& array[]) const;
  __forceinline int  Size() const;
  __forceinline bool InRange(const int index) const;
  __forceinline bool Remove(const int index); // elimina un index del array
  bool               AddItem(CDomNodeBase* node); // añade un item al array

  //--- Comun entre arr y obj
  void               Clear(); // Elimina todos los elemetnos de array u obj


  //--- Asignacion
  void               operator=(CDomNodeBase& v);
  bool               operator=(const long v);
  bool               operator=(const double v);
  bool               operator=(const bool v);
  bool               operator=(const string& v);
  bool               NewObj(int inital_hash_map_size);
  bool               NewArr(int inital_reserve);

  //--- Is
  __forceinline bool IsNull()    const { return m_type == TSN_SBL_BASE_DOM_NULL; }
  __forceinline bool IsArray()   const { return m_type == TSN_SBL_BASE_TYPE_ARR; }
  __forceinline bool IsObject()  const { return m_type == TSN_SBL_BASE_TYPE_OBJ; }

  //--- To
  //- Int
  long               ToInt(const long def) const;
  bool               ToIntSafe(long& val) const;

  //- Double
  double             ToDouble(const double def) const;
  bool               ToDoubleSafe(double& val) const;

  //--- Bool
  bool               ToBool(const bool def) const;
  bool               ToBoolSafe(bool& val) const;

  //--- String
  string             ToString(const string def = "") const;
  int                StrLenRaw() const;

  //---
  __forceinline      CHashMapFastIterator(string, CDomNodeBase*) BenginIteration();
 };

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
CDomNodeBase::~CDomNodeBase()
 {
  switch(m_type)
   {
    case TSN_SBL_BASE_TYPE_OBJ:
      m_ctx.FreeObj(m_v.ix);
      break;
    case TSN_SBL_BASE_TYPE_ARR:
      m_ctx.FreeArr(m_v.ix);
      break;
    case TSN_SBL_BASE_TYPE_INT:
    case TSN_SBL_BASE_TYPE_FLT:
    case TSN_SBL_BASE_TYPE_BOL:
      break;
    case TSN_SBL_BASE_TYPE_STR:
      m_ctx.FreeString(m_v.ix);
      break;
   }
 }

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
__forceinline CHashMapFastIterator(string, CDomNodeBase*) CDomNodeBase::BenginIteration()
 {
  if(m_type != TSN_SBL_BASE_TYPE_OBJ)
    return CHashMapFastIterator(string, CDomNodeBase*)();
  return m_ctx.m_objs[m_v.ix].BeginIteration();
 }

}
#endif // BASESPARSERSLAN_SRC_DOM_BASE_HEADER_MQH
//+------------------------------------------------------------------+