/*
 * This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Affero General Public License as published by the
 * Free Software Foundation; either version 3 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 Affero General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef _SQLOPERATION_H
#define _SQLOPERATION_H

#include "DatabaseEnvFwd.h"
#include "Define.h"

//- Union that holds element data
union SQLElementUnion
{
    PreparedStatementBase* stmt;
    char const* query;
};

//- Type specifier of our element data
enum SQLElementDataType
{
    SQL_ELEMENT_RAW,
    SQL_ELEMENT_PREPARED
};

//- The element
struct SQLElementData
{
    SQLElementUnion element;
    SQLElementDataType type;
};

class MySQLConnection;

class AC_DATABASE_API SQLOperation
{
public:
    SQLOperation(): m_conn(nullptr) { }
    virtual ~SQLOperation() { }

    virtual int call()
    {
        Execute();
        return 0;
    }
    virtual bool Execute() = 0;
    virtual void SetConnection(MySQLConnection* con) { m_conn = con; }

    MySQLConnection* m_conn;

private:
    SQLOperation(SQLOperation const& right) = delete;
    SQLOperation& operator=(SQLOperation const& right) = delete;
};

#endif
