/*
 * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
 *
 * Copyright (C) 2008-2010 Trinity <http://www.trinitycore.org/>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef QUERYRESULT_H
#define QUERYRESULT_H

#include <ace/Refcounted_Auto_Ptr.h>
#include <ace/Null_Mutex.h>

#include "Field.h"
#include "Log.h"

#ifdef _WIN32
  #include <winsock2.h>
#endif
#include <mysql.h>

class ResultSet
{
    public:
        ResultSet(MYSQL_RES *result, MYSQL_FIELD *fields, uint64 rowCount, uint32 fieldCount);
        ~ResultSet();

        bool NextRow();
        uint64 GetRowCount() const { return m_rowCount; }
        uint32 GetFieldCount() const { return m_fieldCount; }

        Field *Fetch() const { return m_currentRow; }
        const Field & operator [] (uint32 index) const
        {
            ASSERT(index < m_fieldCount);
            return m_currentRow[index];
        }

    protected:
        Field *m_currentRow;
        uint64 m_rowCount;
        uint32 m_fieldCount;

    private:
        void CleanUp();
        MYSQL_RES *m_result;
        MYSQL_FIELD *m_fields;
};

typedef ACE_Refcounted_Auto_Ptr<ResultSet, ACE_Null_Mutex> QueryResult;

class PreparedResultSet
{
    public:
        PreparedResultSet(MYSQL_STMT* stmt, MYSQL_RES *result, uint64 rowCount, uint32 fieldCount);
        ~PreparedResultSet();

        bool NextRow();
        uint64 GetRowCount() const { return m_rowCount; }
        uint32 GetFieldCount() const { return m_fieldCount; }

        Field* Fetch() const
        {
            ASSERT(m_rowPosition < m_rowCount);
            return m_rows[m_rowPosition];
        }

        const Field & operator [] (uint32 index) const
        {
            ASSERT(m_rowPosition < m_rowCount);
            ASSERT(index < m_fieldCount);
            return m_rows[m_rowPosition][index];
        }

    protected:
        uint64 m_rowCount;
        uint64 m_rowPosition;
        std::vector<Field*> m_rows;
        uint32 m_fieldCount;

    private:
        MYSQL_BIND* m_rBind;
        MYSQL_STMT* m_stmt;
        MYSQL_RES* m_res;

        my_bool* m_isNull;
        unsigned long* m_length;

        void FreeBindBuffer();
        void CleanUp();
        bool _NextRow();

};

typedef ACE_Refcounted_Auto_Ptr<PreparedResultSet, ACE_Null_Mutex> PreparedQueryResult;

#endif