/*
 *  The ManaPlus Client
 *  Copyright (C) 2009  The Mana World Development Team
 *  Copyright (C) 2009-2010  The Mana Developers
 *  Copyright (C) 2011-2013  The ManaPlus Developers
 *
 *  This file is part of The ManaPlus Client.
 *
 *  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
 *  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/>.
 */

#ifndef GUI_WIDGETS_TABS_CHATTAB_H
#define GUI_WIDGETS_TABS_CHATTAB_H

#include "gui/windows/chatwindow.h"

#include "gui/widgets/browserbox.h"
#include "gui/widgets/tabs/tab.h"

#include "localconsts.h"

class ScrollArea;

const std::string GENERAL_CHANNEL = "";
const std::string TRADE_CHANNEL = "";

/**
 * A tab for the chat window. This is special to ease chat handling.
 */
class ChatTab : public Tab
{
    public:
        enum Type
        {
            TAB_UNKNOWN = 0,
            TAB_INPUT,
            TAB_WHISPER,
            TAB_PARTY,
            TAB_GUILD,
            TAB_DEBUG,
            TAB_TRADE,
            TAB_BATTLE,
            TAB_LANG,
            TAB_GM
        };

        /**
         * Constructor.
         */
        ChatTab(const Widget2 *const widget, const std::string &name,
                const std::string &channel);

        A_DELETE_COPY(ChatTab)

        virtual ~ChatTab();

        /**
         * Adds a line of text to our message list. Parameters:
         *
         * @param line Text message.
         * @param own  Type of message (usually the owner-type).
         * @param channelName which channel to send the message to.
         * @param ignoreRecord should this not be recorded?
         * @param removeColors try remove color if configured
         */
        void chatLog(std::string line, Own own = BY_SERVER,
                     const bool ignoreRecord = false,
                     const bool tryRemoveColors = true);

        /**
         * Adds the text to the message list
         *
         * @param msg  The message text which is to be sent.
         */
        void chatLog(const std::string &nick, std::string msg);

        /**
         * Determines whether the message is a command or message, then
         * sends the given message to the game server to be said, or to the
         * command handler
         *
         * @param msg  The message text which is to be sent.
         */
        void chatInput(const std::string &msg);

        /**
         * Scrolls the chat window
         *
         * @param amount direction and amount to scroll.  Negative numbers scroll
         * up, positive numbers scroll down.  The absolute amount indicates the
         * amount of 1/8ths of chat window real estate that should be scrolled.
         */
        void scroll(const int amount);

        /**
         * Clears the text from the tab
         */
        void clearText();

        /**
         * Add any extra help text to the output. Allows tabs to define help
         * for commands defined by the tab itself.
         */
        virtual void showHelp()
        { }

        /**
         * Handle special commands. Allows a tab to handle commands it
         * defines itself.
         *
         * @returns true  if the command was handled
         *          false if the command was not handled
         */
        virtual bool handleCommand(const std::string &restrict type A_UNUSED,
                                   const std::string &restrict args A_UNUSED)
        { return false; }

        /**
         * Handle special commands. Allows a tab to handle commands it
         * defines itself.
         *
         * @returns true  if the command was handled
         *          false if the command was not handled
         */
        virtual bool handleCommands(const std::string &type,
                                    const std::string &args);

        /**
         * Returns type of the being.
         */
        virtual int getType() const A_WARN_UNUSED;

        virtual void saveToLogFile(const std::string &msg) const;

        const std::list<std::string> &getRows() const A_WARN_UNUSED
        { return mTextOutput->getRows(); }

        bool hasRows() const A_WARN_UNUSED
        { return mTextOutput->hasRows(); }

        void loadFromLogFile(const std::string &name);

        bool getAllowHighlight() const A_WARN_UNUSED
        { return mAllowHightlight; }

        void setAllowHighlight(const bool n)
        { mAllowHightlight = n; }

        bool getRemoveNames() const A_WARN_UNUSED
        { return mRemoveNames; }

        void setRemoveNames(const bool n)
        { mRemoveNames = n; }

        bool getNoAway() const A_WARN_UNUSED
        { return mNoAway; }

        void setNoAway(const bool n)
        { mNoAway = n; }

        void addNewRow(std::string &line);

        void showOnline(const std::string &nick,
                        const bool isOnline);

        virtual void playNewMessageSound() const;

        const std::string &getChannelName() const
        { return mChannelName; }

    protected:
        friend class ChatWindow;
        friend class WhisperWindow;

        virtual void setCurrent() override final
        { setFlash(0); }

        virtual void handleInput(const std::string &msg);

        virtual void handleCommand(const std::string &msg);

        virtual void handleHelp(const std::string &msg);

        virtual void getAutoCompleteList(StringVect&) const
        {}

        void addRow(std::string &line);

        BrowserBox *mTextOutput;
        ScrollArea *mScrollArea;
        std::string mChannelName;
        bool mAllowHightlight;
        bool mRemoveNames;
        bool mNoAway;
        bool mShowOnline;
};

extern ChatTab *localChatTab;
extern ChatTab *debugChatTab;

#endif  // GUI_WIDGETS_TABS_CHATTAB_H