/*
 * Copyright (C) 2005-2011 MaNGOS <http://getmangos.com/>
 * Copyright (C) 2009-2011 MaNGOSZero <https://github.com/mangos/zero>
 * Copyright (C) 2011-2016 Nostalrius <https://nostalrius.org>
 * Copyright (C) 2016-2017 Elysium Project <https://github.com/elysium-project>
 *
 * 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 FIELD_H
#define FIELD_H

#include "Common.h"

class Field
{
    public:

        enum DataTypes
        {
            DB_TYPE_UNKNOWN = 0x00,
            DB_TYPE_STRING  = 0x01,
            DB_TYPE_INTEGER = 0x02,
            DB_TYPE_FLOAT   = 0x03,
            DB_TYPE_BOOL    = 0x04
        };

        Field() : mValue(NULL), mType(DB_TYPE_UNKNOWN) {}
        Field(const char* value, enum DataTypes type) : mValue(value), mType(type) {}

        ~Field() {}

        enum DataTypes GetType() const { return mType; }
        bool IsNULL() const { return mValue == NULL; }

        const char *GetString() const { return mValue; }
        std::string GetCppString() const
        {
            return mValue ? mValue : "";                    // std::string s = 0 have undefine result in C++
        }
        float GetFloat() const { return mValue ? static_cast<float>(atof(mValue)) : 0.0f; }
        bool GetBool() const { return mValue ? atoi(mValue) > 0 : false; }
        int32 GetInt32() const { return mValue ? static_cast<int32>(atol(mValue)) : int32(0); }
        uint8 GetUInt8() const { return mValue ? static_cast<uint8>(atol(mValue)) : uint8(0); }
        uint16 GetUInt16() const { return mValue ? static_cast<uint16>(atol(mValue)) : uint16(0); }
        int16 GetInt16() const { return mValue ? static_cast<int16>(atol(mValue)) : int16(0); }
        uint32 GetUInt32() const { return mValue ? static_cast<uint32>(atol(mValue)) : uint32(0); }
        uint64 GetUInt64() const
        {
            uint64 value = 0;
            if(!mValue || sscanf(mValue,UI64FMTD,&value) == -1)
                return 0;

            return value;
        }

        void SetType(enum DataTypes type) { mType = type; }
        //no need for memory allocations to store resultset field strings
        //all we need is to cache pointers returned by different DBMS APIs
        void SetValue(const char* value) { mValue = value; };

    private:
        Field(Field const&);
        Field& operator=(Field const&);

        const char* mValue;
        enum DataTypes mType;
};
#endif