/****************************************************************
 *  RetroShare is distributed under the following license:
 *
 *  Copyright (C) 2008 Robert Fernie
 *
 *  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., 51 Franklin Street, Fifth Floor,
 *  Boston, MA  02110-1301, USA.
 ****************************************************************/

#ifndef _GXS_CHANNELPOSTSWIDGET_H
#define _GXS_CHANNELPOSTSWIDGET_H

#include <map>

#include "gui/gxs/GxsMessageFrameWidget.h"

#include "gui/feeds/FeedHolder.h"

#include "util/TokenQueue.h"

namespace Ui {
class GxsChannelPostsWidget;
}

//class ChanMsgItem;
class GxsChannelPostItem;
class QTreeWidgetItem;
class UIStateHelper;
class QBoxLayout;

class GxsChannelPostsWidget : public GxsMessageFrameWidget, public TokenResponse, public FeedHolder
{
	Q_OBJECT

public:
	/** Default Constructor */
	GxsChannelPostsWidget(const RsGxsGroupId &channelId, QWidget *parent = 0);
	/** Default Destructor */
	~GxsChannelPostsWidget();

	/* GxsMessageFrameWidget */
	virtual RsGxsGroupId groupId() { return mChannelId; }
	virtual void setGroupId(const RsGxsGroupId &channelId);
	virtual QString groupName(bool withUnreadCount);
	virtual QIcon groupIcon();
	virtual void setAllMessagesRead(bool read);

	/* FeedHolder */
	virtual QScrollArea *getScrollArea();
	virtual void deleteFeedItem(QWidget *item, uint32_t type);
    virtual void openChat(const RsPeerId& peerId);
    virtual void openComments(uint32_t type, const RsGxsGroupId &groupId, const RsGxsMessageId &msgId, const QString &title);

	/* NEW GXS FNS */
	void loadRequest(const TokenQueue *queue, const TokenRequest &req);

protected:
	virtual void updateDisplay(bool complete);

private slots:
	void createMsg();
	void toggleAutoDownload();
	void subscribeGroup(bool subscribe);
	void filterChanged(int filter);
	void filterItems(const QString& text);

	//void fillThreadFinished();
	//void fillThreadAddMsg(const QString &channelId, const QString &channelMsgId, int current, int count);

private:
	void processSettings(bool load);

	void setAutoDownload(bool autoDl);
	void clearPosts();

	/* NEW GXS FNS */
	void requestGroupData();
	void loadGroupData(const uint32_t &token);

	void requestPosts();
	void loadPosts(const uint32_t &token);

	void requestRelatedPosts(const std::vector<RsGxsMessageId> &msgIds);
	void loadRelatedPosts(const uint32_t &token);

	void insertChannelDetails(const RsGxsChannelGroup &group);
	void insertChannelPosts(std::vector<RsGxsChannelPost> &posts, bool related);

	void acknowledgeMessageUpdate(const uint32_t &token);

	bool filterItem(GxsChannelPostItem *pItem, const QString &text, const int filter);

    RsGxsGroupId mChannelId; /* current Channel */
	int mSubscribeFlags;
	TokenQueue *mChannelQueue;

	/* Layout Pointers */
	QBoxLayout *mMsgLayout;

	//QList<ChanMsgItem *> mChanMsgItems;
	QList<GxsChannelPostItem *> mChannelPostItems;

	QAction *mAutoDownloadAction;

	UIStateHelper *mStateHelper;

	bool mInProcessSettings;

	/* UI - from Designer */
	Ui::GxsChannelPostsWidget *ui;
};

#endif