/*
 * Copyright (C) 2008-2011 TrinityCore <http://www.trinitycore.org/>
 * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
 *
 * 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, see <http://www.gnu.org/licenses/>.
 */

#include "DatabaseEnv.h"
#include "AddonMgr.h"
#include "ObjectAccessor.h"
#include "Player.h"
#include "Util.h"
#include "SHA1.h"

AddonMgr::AddonMgr()
{
}

AddonMgr::~AddonMgr()
{
}

void AddonMgr::LoadFromDB()
{
    uint32 oldMSTime = getMSTime();

    QueryResult result = CharacterDatabase.Query("SELECT name, crc FROM addons");

    if (!result)
    {
        sLog->outString(">> Loaded 0 known addons. DB table `addons` is empty!");
        sLog->outString();
        return;
    }

    uint32 count = 0;

    do
    {
        Field *fields = result->Fetch();

        std::string name = fields[0].GetString();
        uint32 crc = fields[1].GetUInt32();

        SavedAddon addon(name, crc);
        m_knownAddons.push_back(addon);

        ++count;
    }
    while (result->NextRow());

    sLog->outString(">> Loaded %u known addons in %u ms", count, GetMSTimeDiffToNow(oldMSTime));
    sLog->outString();
}

void AddonMgr::SaveAddon(AddonInfo const& addon)
{
    std::string name = addon.Name;
    CharacterDatabase.EscapeString(name);
    CharacterDatabase.PExecute("INSERT INTO addons (name, crc) VALUES ('%s', %u)", name.c_str(), addon.CRC);

    SavedAddon newAddon(addon.Name, addon.CRC);
    m_knownAddons.push_back(newAddon);
}

SavedAddon const* AddonMgr::GetAddonInfo(const std::string& name) const
{
    for (SavedAddonsList::const_iterator it = m_knownAddons.begin(); it != m_knownAddons.end(); ++it)
    {
        SavedAddon const& addon = (*it);
        if (addon.Name == name)
            return &addon;
    }

    return NULL;
}