CommandHandler.h

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// Leviathan Game Engine
// Copyright (c) 2012-2017 Henri Hyyryläinen
#pragma once
// ------------------------------------ //
#include "Define.h"
// ------------------------------------ //
#include "CustomCommandHandler.h"

#include <list>
#include <memory>
#include <vector>


namespace Leviathan{

enum COMMANDSENDER_PERMISSIONMODE {
    COMMANDSENDER_PERMISSIONMODE_NORMAL,
    COMMANDSENDER_PERMISSIONMODE_IGNORE
};

class CommandSender{
public:

    DLLEXPORT virtual const std::string& GetUniqueName() = 0;

    DLLEXPORT virtual const std::string& GetNickname() = 0;


    DLLEXPORT virtual COMMANDSENDER_PERMISSIONMODE GetPermissionMode() = 0;

    DLLEXPORT virtual void SendPrivateMessage(const std::string &message);


    DLLEXPORT virtual void StartOwnership(CommandHandler* commander);


    DLLEXPORT virtual void EndOwnership(CommandHandler* which);

protected:

    DLLEXPORT virtual void _OnReleaseParentCommanders();


    DLLEXPORT virtual bool _OnSendPrivateMessage(const std::string &message) = 0;


    std::list<CommandHandler*> CommandHandlersToNotify;
};


class CommandHandler{
public:
    DLLEXPORT CommandHandler(NetworkServerInterface* owneraccess);
    DLLEXPORT virtual ~CommandHandler();



    DLLEXPORT virtual void QueueCommand(const std::string &command, CommandSender* issuer);


    DLLEXPORT virtual void UpdateStatus();


    DLLEXPORT virtual void RemoveMe(CommandSender* object);


    DLLEXPORT virtual bool IsSenderStillValid(CommandSender* checkthis);


    DLLEXPORT virtual void SenderNoLongerRequired(CommandSender* checkthis);


    DLLEXPORT virtual bool RegisterCustomCommandHandler(
        std::shared_ptr<CustomCommandHandler> handler);


    // ------------------ The default command handler part ------------------ //

    DLLEXPORT virtual bool IsThisDefaultCommand(const std::string &firstword) const;


    DLLEXPORT static CommandHandler* Get();

protected:

    void _LetGoOfAll();

    void _AddSender(CommandSender* object);

    // ------------------------------------ //


    std::list<CommandSender*> SendersInUse;


    NetworkServerInterface* Owner;


    std::vector<std::shared_ptr<CustomCommandHandler>> CustomHandlers;


    static CommandHandler* Staticaccess;
};

}

#ifdef LEAK_INTO_GLOBAL
using Leviathan::CommandSender;
using Leviathan::CommandHandler;
#endif