/*

 * Hedgewars, a free turn based strategy game

 * Copyright (c) 2007 Igor Ulyanov <iulyanov@gmail.com>

 * Copyright (c) 2007-2011 Andrey Korotaev <unC0Rr@gmail.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; version 2 of the License

 *

 * 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

 */

#ifndef _CHAT_WIDGET_INCLUDED

#define _CHAT_WIDGET_INCLUDED

#include <QWidget>

#include <QListWidget>

#include <QString>

#include <QGridLayout>

#include <QMutex>

#include <QRegExp>

#include "SDLInteraction.h"

#include "SmartLineEdit.h"

class ListWidgetNickItem;

class QTextBrowser;

class QLineEdit;

class QListWidget;

class QSettings;

class ListWidgetNickItem : public QListWidgetItem

{

public:

  ListWidgetNickItem(const QString& nick, bool isFriend, bool isIgnored);

  bool operator<(const QListWidgetItem & other) const;

  void setFriend(bool isFriend);

  void setIgnored(bool isIgnored);

  bool isFriend();

  bool ignored();

private:

  bool aFriend;

  bool isIgnored;

};

/**

 *

 * By default uses :res/css/chat.css as style sheet for chat.

 * See \repo{res/css/chat.css} for a more detailed description.

 *

 * @see http://doc.qt.nokia.com/4.5/richtext-html-subset.html#css-properties

 */

class HWChatWidget : public QWidget

{

  Q_OBJECT

 public:

  HWChatWidget(QWidget* parent, QSettings * gameSettings, bool notify);

  void loadLists(const QString & nick);

  void saveLists(const QString & nick);

  void setShowReady(bool s);

  void setShowFollow(bool enabled);

  QStringList ignoreList, friendsList;

  static QString & styleSheet();

  void displayError(const QString & message);

  void displayNotice(const QString & message);

  void displayWarning(const QString & message);

protected:

    virtual void dragEnterEvent(QDragEnterEvent * event);

    virtual void dropEvent(QDropEvent * event);

private:

  static QString * s_styleSheet;

  static QStringList * s_displayNone;

  static bool s_isTimeStamped;

  static QMutex s_styleSheetMutex;

  static const QRegExp URLREGEXP;

  static void setStyleSheet(const QString & styleSheet = "");

  void loadList(QStringList & list, const QString & file);

  void saveList(QStringList & list, const QString & file);

  void updateNickItem(QListWidgetItem *item);

  void updateNickItems();

  void addLine(const QString & cssClass, QString line, bool isHighlight = false);

  bool parseCommand(const QString & line);

  void discardStyleSheet();

  void saveStyleSheet();

 public slots:

  void onChatString(const QString& str);

  void onChatString(const QString& nick, const QString& str);

  void onServerMessage(const QString& str);

  void nickAdded(const QString& nick, bool notifyNick);

  void nickRemoved(const QString& nick);

  void clear();

  void setReadyStatus(const QString & nick, bool isReady);

  void adminAccess(bool);

 signals:

  void chatLine(const QString& str);

  void kick(const QString & str);

  void ban(const QString & str);

  void info(const QString & str);

  void follow(const QString &);

  void nickCountUpdate(int cnt);

 private:

  QGridLayout mainLayout;

  QTextBrowser* chatText;

  QStringList chatStrings;

  QListWidget* chatNicks;

  SmartLineEdit* chatEditLine;

  QAction * acInfo;

  QAction * acKick;

  QAction * acBan;

  QAction * acFollow;

  QAction * acIgnore;

  QAction * acFriend;

  QSettings * gameSettings;

  QString m_helloSound;

  QString m_hilightSound;

  QString m_userNick;

  QRegExp m_hlRegExp; ///< regular expression used for highlighting messages

  bool notify;

  bool showReady;

 private slots:

  void returnPressed();

  void onBan();

  void onKick();

  void onInfo();

  void onFollow();

  void onIgnore();

  void onFriend();

  void chatNickDoubleClicked(QListWidgetItem * item);

  void chatNickSelected(int index);

  void linkClicked(const QUrl & link);

};

#endif // _CHAT_WIDGET_INCLUDED