/*
 * Copyright (C) 2016+     AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license: http://github.com/azerothcore/azerothcore-wotlk/LICENSE-GPL2
 * Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
 * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
 */

#ifndef CONFIG_H
#define CONFIG_H

#include <string>
#include <list>
#include <vector>
#include <ace/Singleton.h>
#include <ace/Configuration_Import_Export.h>
#include <ace/Thread_Mutex.h>
#include <AutoPtr.h>

typedef Trinity::AutoPtr<ACE_Configuration_Heap, ACE_Null_Mutex> Config;

class ConfigMgr
{
    friend class ACE_Singleton<ConfigMgr, ACE_Null_Mutex>;
    friend class ConfigLoader;

    ConfigMgr() { }
    ~ConfigMgr() { }

public:
    /// Method used only for loading main configuration files (authserver.conf and worldserver.conf)
    bool LoadInitial(char const* file);

    /**
     * This method loads additional configuration files
     * It is recommended to use this method in WorldScript::OnConfigLoad hooks
     *
     * @return true if loading was successful
     */
    bool LoadMore(char const* file);

    bool Reload();

    std::string GetStringDefault(const char* name, const std::string& def);
    bool GetBoolDefault(const char* name, bool def);
    int GetIntDefault(const char* name, int def);
    float GetFloatDefault(const char* name, float def);

    std::list<std::string> GetKeysByString(std::string const& name);

private:
    bool GetValueHelper(const char* name, ACE_TString &result);
    bool LoadData(char const* file);

    typedef ACE_Thread_Mutex LockType;
    typedef ACE_Guard<LockType> GuardType;

    std::vector<std::string> _confFiles;
    Config _config;
    LockType _configLock;

    ConfigMgr(ConfigMgr const&);
    ConfigMgr& operator=(ConfigMgr const&);
};

#define sConfigMgr ACE_Singleton<ConfigMgr, ACE_Null_Mutex>::instance()

#endif