/*
 * Copyright (C) 2005-2011 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include "GuildMgr.h"
#include "Guild.h"
#include "Log.h"
#include "ObjectGuid.h"
#include "Database/DatabaseEnv.h"
#include "Policies/SingletonImp.h"
#include "ProgressBar.h"
#include "World.h"

INSTANTIATE_SINGLETON_1(GuildMgr);

GuildMgr::GuildMgr()
{
}

GuildMgr::~GuildMgr()
{
    for (GuildMap::iterator itr = m_GuildMap.begin(); itr != m_GuildMap.end(); ++itr)
        delete itr->second;
}

void GuildMgr::AddGuild(Guild* guild)
{
    m_GuildMap[guild->GetId()] = guild;
}

void GuildMgr::RemoveGuild(uint32 guildId)
{
    m_GuildMap.erase(guildId);
}

Guild* GuildMgr::GetGuildById(uint32 guildId) const
{
    GuildMap::const_iterator itr = m_GuildMap.find(guildId);
    if (itr != m_GuildMap.end())
        return itr->second;

    return NULL;
}

Guild* GuildMgr::GetGuildByName(std::string const& name) const
{
    for(GuildMap::const_iterator itr = m_GuildMap.begin(); itr != m_GuildMap.end(); ++itr)
        if (itr->second->GetName() == name)
            return itr->second;

    return NULL;
}

Guild* GuildMgr::GetGuildByLeader(ObjectGuid const& guid) const
{
    for(GuildMap::const_iterator itr = m_GuildMap.begin(); itr != m_GuildMap.end(); ++itr)
        if (itr->second->GetLeaderGuid() == guid)
            return itr->second;

    return NULL;
}

std::string GuildMgr::GetGuildNameById(uint32 guildId) const
{
    GuildMap::const_iterator itr = m_GuildMap.find(guildId);
    if (itr != m_GuildMap.end())
        return itr->second->GetName();

    return "";
}

void GuildMgr::LoadGuilds()
{
    uint32 count = 0;

    //                                                    0             1          2          3           4           5           6
    QueryResult* result = CharacterDatabase.Query("SELECT guild.guildid,guild.name,leaderguid,EmblemStyle,EmblemColor,BorderStyle,BorderColor,"
    //   7               8    9    10         11        12
        "BackgroundColor,info,motd,createdate,BankMoney,(SELECT COUNT(guild_bank_tab.guildid) FROM guild_bank_tab WHERE guild_bank_tab.guildid = guild.guildid) "
        "FROM guild ORDER BY guildid ASC");

    if (!result)
    {
        BarGoLink bar(1);

        bar.step();

        sLog.outString();
        sLog.outString(">> Loaded %u guild definitions", count);
        return;
    }

    // load guild ranks
    //                                                                0       1   2     3      4
    QueryResult* guildRanksResult   = CharacterDatabase.Query("SELECT guildid,rid,rname,rights,BankMoneyPerDay FROM guild_rank ORDER BY guildid ASC, rid ASC");

    // load guild members
    //                                                                0       1                 2    3     4       5                  6
    QueryResult* guildMembersResult = CharacterDatabase.Query("SELECT guildid,guild_member.guid,rank,pnote,offnote,BankResetTimeMoney,BankRemMoney,"
    //   7                 8                9                 10               11                12
        "BankResetTimeTab0,BankRemSlotsTab0,BankResetTimeTab1,BankRemSlotsTab1,BankResetTimeTab2,BankRemSlotsTab2,"
    //   13                14               15                16               17                18
        "BankResetTimeTab3,BankRemSlotsTab3,BankResetTimeTab4,BankRemSlotsTab4,BankResetTimeTab5,BankRemSlotsTab5,"
    //   19               20                21                22               23                      24
        "characters.name, characters.level, characters.class, characters.zone, characters.logout_time, characters.account "
        "FROM guild_member LEFT JOIN characters ON characters.guid = guild_member.guid ORDER BY guildid ASC");

    // load guild bank tab rights
    //                                                                      0       1     2   3       4
    QueryResult* guildBankTabRightsResult = CharacterDatabase.Query("SELECT guildid,TabId,rid,gbright,SlotPerDay FROM guild_bank_right ORDER BY guildid ASC, TabId ASC");

    BarGoLink bar(result->GetRowCount());

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

        bar.step();
        ++count;

        Guild* newGuild = new Guild;
        if (!newGuild->LoadGuildFromDB(result) ||
            !newGuild->LoadRanksFromDB(guildRanksResult) ||
            !newGuild->LoadMembersFromDB(guildMembersResult) ||
            !newGuild->LoadBankRightsFromDB(guildBankTabRightsResult) ||
            !newGuild->CheckGuildStructure()
            )
        {
            newGuild->Disband();
            delete newGuild;
            continue;
        }

        newGuild->LoadGuildEventLogFromDB();
        newGuild->LoadGuildBankEventLogFromDB();
        newGuild->LoadGuildBankFromDB();
        AddGuild(newGuild);
    } while(result->NextRow());

    delete result;
    delete guildRanksResult;
    delete guildMembersResult;
    delete guildBankTabRightsResult;

    //delete unused LogGuid records in guild_eventlog and guild_bank_eventlog table
    //you can comment these lines if you don't plan to change CONFIG_UINT32_GUILD_EVENT_LOG_COUNT and CONFIG_UINT32_GUILD_BANK_EVENT_LOG_COUNT
    CharacterDatabase.PExecute("DELETE FROM guild_eventlog WHERE LogGuid > '%u'", sWorld.getConfig(CONFIG_UINT32_GUILD_EVENT_LOG_COUNT));
    CharacterDatabase.PExecute("DELETE FROM guild_bank_eventlog WHERE LogGuid > '%u'", sWorld.getConfig(CONFIG_UINT32_GUILD_BANK_EVENT_LOG_COUNT));

    sLog.outString();
    sLog.outString(">> Loaded %u guild definitions", count);
}