/***************************************************************************
 *   Copyright (C) 2006 by Sebastien Laout                                 *
 *   slaout@linux62.org                                                    *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU Library 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 Library 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.         *
 ***************************************************************************/

#include <tdeapplication.h>
#include <tdeaboutdata.h>
#include <tdeconfig.h>
#include <tdeaction.h>
#include <kiconloader.h>
#include <tdeaboutdata.h>
#include <tdelocale.h>
#include <tdemessagebox.h>
#include <tqlayout.h>
#include <tqtoolbutton.h>
#include <kpushbutton.h>
#include <tqcheckbox.h>
#include <tqradiobutton.h>
#include <tqbuttongroup.h>
#include <tqvgroupbox.h>
#include <kguiitem.h>
#include <tqpopupmenu.h>
#include <tqtextedit.h>
#include <tqlayout.h>
#include <tqlabel.h>
#include <kdialogbase.h>
#include <tqhttp.h>
#include <kurl.h>
#include <kinputdialog.h>
#include <tqvalidator.h>
#include <tqaction.h>
#include <kdebug.h>
#include <unistd.h>
#include <sys/types.h>

#include <pwd.h>

#include <iostream>

#include "likeback.h"
#include "likeback_private.h"

/****************************************/
/********** class LikeBackBar: **********/
/****************************************/

LikeBackBar::LikeBackBar(LikeBack *likeBack)
 : TQWidget(0, "LikeBackBar", TQt::WX11BypassWM | TQt::WStyle_NoBorder | TQt::WNoAutoErase | TQt::WStyle_StaysOnTop | TQt::WStyle_NoBorder | TQt::TQt::WGroupLeader)
 , m_likeBack(likeBack)
{
	TQHBoxLayout *layout = new TQHBoxLayout(this);

	TQIconSet likeIconSet    = kapp->iconLoader()->loadIconSet("likeback_like",    TDEIcon::Small);
	TQIconSet dislikeIconSet = kapp->iconLoader()->loadIconSet("likeback_dislike", TDEIcon::Small);
	TQIconSet bugIconSet     = kapp->iconLoader()->loadIconSet("likeback_bug",     TDEIcon::Small);
	TQIconSet featureIconSet = kapp->iconLoader()->loadIconSet("likeback_feature", TDEIcon::Small);

	m_likeButton = new TQToolButton(this, "likeback_like");
	m_likeButton->setIconSet(likeIconSet);
	m_likeButton->setTextLabel("<p>" + i18n("Send application developers a comment about something you like"));
	m_likeButton->setAutoRaise(true);
	connect( m_likeButton, TQT_SIGNAL(clicked()), this, TQT_SLOT(clickedLike()) );
	layout->add(m_likeButton);

	m_dislikeButton = new TQToolButton(this, "likeback_dislike");
	m_dislikeButton->setIconSet(dislikeIconSet);
	m_dislikeButton->setTextLabel("<p>" + i18n("Send application developers a comment about something you dislike"));
	m_dislikeButton->setAutoRaise(true);
	connect( m_dislikeButton, TQT_SIGNAL(clicked()), this, TQT_SLOT(clickedDislike()) );
	layout->add(m_dislikeButton);

	m_bugButton = new TQToolButton(this, "likeback_bug");
	m_bugButton->setIconSet(bugIconSet);
	m_bugButton->setTextLabel("<p>" + i18n("Send application developers a comment about an improper behavior of the application"));
	m_bugButton->setAutoRaise(true);
	connect( m_bugButton, TQT_SIGNAL(clicked()), this, TQT_SLOT(clickedBug()) );
	layout->add(m_bugButton);

	m_featureButton = new TQToolButton(this, "likeback_feature");
	m_featureButton->setIconSet(featureIconSet);
	m_featureButton->setTextLabel("<p>" + i18n("Send application developers a comment about a new feature you desire"));
	m_featureButton->setAutoRaise(true);
	connect( m_featureButton, TQT_SIGNAL(clicked()), this, TQT_SLOT(clickedFeature()) );
	layout->add(m_featureButton);

	connect( &m_timer, TQT_SIGNAL(timeout()), this, TQT_SLOT(autoMove()) );

	LikeBack::Button buttons = likeBack->buttons();
	m_likeButton->setShown(    buttons & LikeBack::Like    );
	m_dislikeButton->setShown( buttons & LikeBack::Dislike );
	m_bugButton->setShown(     buttons & LikeBack::Bug     );
	m_featureButton->setShown( buttons & LikeBack::Feature );
}

LikeBackBar::~LikeBackBar()
{
}

void LikeBackBar::startTimer()
{
	m_timer.start(10);
}

void LikeBackBar::stopTimer()
{
	m_timer.stop();
}

void LikeBackBar::autoMove()
{
	static TQWidget *lastWindow = 0;

	TQWidget *window = TQT_TQWIDGET(kapp->activeWindow());
	// When a Kicker applet has the focus, like the Commandline TQLineEdit,
	// the systemtray icon indicates to be the current window and the LikeBack is shown next to the system tray icon.
	// It's obviously bad ;-) :
	bool shouldShow = (m_likeBack->userWantsToShowBar() && m_likeBack->enabledBar() && window && !window->inherits("KSystemTray"));
	if (shouldShow) {
		//move(window->x() + window->width() - 100 - width(), window->y());
		//move(window->x() + window->width() - 100 - width(), window->mapToGlobal(TQPoint(0, 0)).y() - height());
		move(window->mapToGlobal(TQPoint(0, 0)).x() + window->width() - width(), window->mapToGlobal(TQPoint(0, 0)).y() + 1);

		if (window != lastWindow && m_likeBack->windowNamesListing() != LikeBack::NoListing) {
			if (tqstricmp(window->name(), "") == 0 || tqstricmp(window->name(), "unnamed") == 0) {
				std::cout << "===== LikeBack ===== UNNAMED ACTIVE WINDOW OF TYPE " << window->className() << " ======" << LikeBack::activeWindowPath().local8Bit() << std::endl;
			} else if (m_likeBack->windowNamesListing() == LikeBack::AllWindows) {
				std::cout << "LikeBack: Active Window: " << LikeBack::activeWindowPath().local8Bit() << std::endl;
			}
		}
		lastWindow = window;
	}

	// Show or hide the bar accordingly:
	if (shouldShow && !isShown()) {
		show();
	} else if (!shouldShow && isShown()) {
		hide();
	}
}

void LikeBackBar::clickedLike()
{
	m_likeBack->execCommentDialog(LikeBack::Like);
}

void LikeBackBar::clickedDislike()
{
	m_likeBack->execCommentDialog(LikeBack::Dislike);
}

void LikeBackBar::clickedBug()
{
	m_likeBack->execCommentDialog(LikeBack::Bug);
}

void LikeBackBar::clickedFeature()
{
	m_likeBack->execCommentDialog(LikeBack::Feature);
}

/********************************************/
/********** class LikeBackPrivate: **********/
/********************************************/

LikeBackPrivate::LikeBackPrivate()
 : bar(0)
 , config(0)
 , aboutData(0)
 , buttons(LikeBack::DefaultButtons)
 , hostName()
 , remotePath()
 , hostPort(80)
 , acceptedLocales()
 , acceptedLanguagesMessage()
 , windowListing(LikeBack::NoListing)
 , showBar(false)
 , disabledCount(0)
 , fetchedEmail()
 , action(0)
{
}

LikeBackPrivate::~LikeBackPrivate()
{
	delete bar;
	delete action;

	config = 0;
	aboutData = 0;
}

/*************************************/
/********** class LikeBack: **********/
/*************************************/

LikeBack::LikeBack(Button buttons, bool showBarByDefault, TDEConfig *config, const TDEAboutData *aboutData)
 : TQObject()
{
	// Initialize properties (1/2):
	d = new LikeBackPrivate();
	d->buttons          = buttons;
	d->config           = config;
	d->aboutData        = aboutData;
	d->showBarByDefault = showBarByDefault;

	// Use default TDEApplication config and aboutData if not provided:
	if (d->config == 0)
		d->config = kapp->config();
	if (d->aboutData == 0)
		d->aboutData = kapp->aboutData();

	// Initialize properties (2/2) [Needs aboutData to be set]:
	d->showBar          = userWantsToShowBar();

	// Fetch the KControl user email address as a default one:
	if (!emailAddressAlreadyProvided())
		fetchUserEmail();

	// Initialize the button-bar:
	d->bar = new LikeBackBar(this);
	d->bar->resize(d->bar->sizeHint());

	// Show the information message if it is the first time, and if the button-bar is shown:
	static const char *messageShown = "LikeBack_starting_information";
	if (d->showBar && KMessageBox::shouldBeShownContinue(messageShown)) {
		showInformationMessage();
		KMessageBox::saveDontShowAgainContinue(messageShown);
	}

	// Show the bar if that's wanted by the developer or the user:
	if (d->showBar)
		TQTimer::singleShot( 0, d->bar, TQT_SLOT(startTimer()) );

#if 0
	disableBar();
	// Alex: Oh, it drove me nuts
	d->buttons = (Button) (                             0); showInformationMessage();
	d->buttons = (Button) (                       Feature); showInformationMessage();
	d->buttons = (Button) (                 Bug          ); showInformationMessage();
	d->buttons = (Button) (                 Bug | Feature); showInformationMessage();
	d->buttons = (Button) (       Dislike                ); showInformationMessage();
	d->buttons = (Button) (       Dislike       | Feature); showInformationMessage();
	d->buttons = (Button) (       Dislike | Bug          ); showInformationMessage();
	d->buttons = (Button) (       Dislike | Bug | Feature); showInformationMessage();
	d->buttons = (Button) (Like                          ); showInformationMessage();
	d->buttons = (Button) (Like                 | Feature); showInformationMessage();
	d->buttons = (Button) (Like           | Bug          ); showInformationMessage();
	d->buttons = (Button) (Like           | Bug | Feature); showInformationMessage();
	d->buttons = (Button) (Like | Dislike                ); showInformationMessage();
	d->buttons = (Button) (Like | Dislike       | Feature); showInformationMessage();
	d->buttons = (Button) (Like | Dislike | Bug          ); showInformationMessage();
	d->buttons = (Button) (Like | Dislike | Bug | Feature); showInformationMessage();
	enableBar();
#endif
}

LikeBack::~LikeBack()
{
	delete d;
}

void LikeBack::setWindowNamesListing(WindowListing windowListing)
{
	d->windowListing = windowListing;
}

LikeBack::WindowListing LikeBack::windowNamesListing()
{
	return d->windowListing;
}

void LikeBack::setAcceptedLanguages(const TQStringList &locales, const TQString &message)
{
	d->acceptedLocales          = locales;
	d->acceptedLanguagesMessage = message;
}

TQStringList LikeBack::acceptedLocales()
{
	return d->acceptedLocales;
}

TQString LikeBack::acceptedLanguagesMessage()
{
	return d->acceptedLanguagesMessage;
}

void LikeBack::setServer(const TQString &hostName, const TQString &remotePath, TQ_UINT16 hostPort)
{
	d->hostName   = hostName;
	d->remotePath = remotePath;
	d->hostPort   = hostPort;
}

TQString LikeBack::hostName()
{
	return d->hostName;
}

TQString LikeBack::remotePath()
{
	return d->remotePath;
}

TQ_UINT16 LikeBack::hostPort()
{
	return d->hostPort;
}

void LikeBack::disableBar()
{
	d->disabledCount++;
	if (d->bar && d->disabledCount > 0) {
		d->bar->hide();
		d->bar->stopTimer();
	}
}

void LikeBack::enableBar()
{
	d->disabledCount--;
	if (d->disabledCount < 0)
		std::cerr << "===== LikeBack ===== Enabled more times than it was disabled. Please refer to the disableBar() documentation for more information and hints." << std::endl;
	if (d->bar && d->disabledCount <= 0) {
		d->bar->startTimer();
	}
}

bool LikeBack::enabledBar()
{
	return d->disabledCount <= 0;
}

void LikeBack::execCommentDialog(Button type, const TQString &initialComment, const TQString &windowPath, const TQString &context)
{
	disableBar();
	LikeBackDialog dialog(type, initialComment, windowPath, context, this);
	dialog.exec();
	enableBar();
}

void LikeBack::execCommentDialogFromHelp()
{
	execCommentDialog(AllButtons, /*initialComment=*/"", /*windowPath=*/"HelpMenuAction");
}

LikeBack::Button LikeBack::buttons()
{
	return d->buttons;
}

const TDEAboutData* LikeBack::aboutData()
{
	return d->aboutData;
}

TDEConfig* LikeBack::config()
{
	return d->config;
}

TDEAction* LikeBack::sendACommentAction(TDEActionCollection *parent)
{
	if (d->action == 0)
		d->action = new TDEAction(
			i18n("&Send a Comment to Developers"), /*icon=*/"mail-message-new", /*shortcut=*/"",
			this, TQT_SLOT(execCommentDialog()),
			parent, "likeback_send_a_comment"
		);

	return d->action;
}

bool LikeBack::userWantsToShowBar()
{
	// Store the button-bar per version, so it can be disabled by the developer for the final version:
	d->config->setGroup("LikeBack");
	return d->config->readBoolEntry("userWantToShowBarForVersion_" + d->aboutData->version(), d->showBarByDefault);
}

void LikeBack::setUserWantsToShowBar(bool showBar)
{
	if (showBar == d->showBar)
		return;

	d->showBar = showBar;

	// Store the button-bar per version, so it can be disabled by the developer for the final version:
	d->config->setGroup("LikeBack");
	d->config->writeEntry("userWantToShowBarForVersion_" + d->aboutData->version(), showBar);
	d->config->sync(); // Make sure the option is saved, even if the application crashes after that.

	if (showBar)
		d->bar->startTimer();
}

void LikeBack::showInformationMessage()
{
	// Load and register the images needed by the message:
	TQPixmap likeIcon    = kapp->iconLoader()->loadIcon("likeback_like",    TDEIcon::Small);
	TQPixmap dislikeIcon = kapp->iconLoader()->loadIcon("likeback_dislike", TDEIcon::Small);
	TQPixmap bugIcon     = kapp->iconLoader()->loadIcon("likeback_bug",     TDEIcon::Small);
	TQPixmap featureIcon = kapp->iconLoader()->loadIcon("likeback_feature", TDEIcon::Small);
	TQMimeSourceFactory::defaultFactory()->setPixmap("likeback_icon_like",    likeIcon);
	TQMimeSourceFactory::defaultFactory()->setPixmap("likeback_icon_dislike", dislikeIcon);
	TQMimeSourceFactory::defaultFactory()->setPixmap("likeback_icon_bug",     bugIcon);
	TQMimeSourceFactory::defaultFactory()->setPixmap("likeback_icon_feature", featureIcon);

	// Show a message reflecting the allowed types of comment:
	Button buttons = d->buttons;
	int nbButtons = (buttons & Like    ? 1 : 0) +
	                (buttons & Dislike ? 1 : 0) +
	                (buttons & Bug     ? 1 : 0) +
	                (buttons & Feature ? 1 : 0);
	KMessageBox::information(0,
		"<p><b>" + (isDevelopmentVersion(d->aboutData->version()) ?
			i18n("Welcome to this testing version of %1.") :
			i18n("Welcome to %1.")
		).arg(d->aboutData->programName()) + "</b></p>"
		"<p>" + i18n("To help us improve it, your comments are important.") + "</p>"
		"<p>" +
			((buttons & LikeBack::Like) && (buttons & LikeBack::Dislike) ?
				i18n("Each time you have a great or frustrating experience, "
				     "please click the appropriate face below the window title-bar, "
				     "briefly describe what you like or dislike and click Send.")
			: (buttons & LikeBack::Like ?
				i18n("Each time you have a great experience, "
				     "please click the smiling face below the window title-bar, "
				     "briefly describe what you like and click Send.")
			: (buttons & LikeBack::Dislike ?
				i18n("Each time you have a frustrating experience, "
				     "please click the frowning face below the window title-bar, "
				     "briefly describe what you dislike and click Send.")
			:
				TQString()
			))) + "</p>" +
		(buttons & LikeBack::Bug ?
			"<p>" +
				(buttons & (LikeBack::Like | LikeBack::Dislike) ?
					i18n("Follow the same principle to quickly report a bug: "
						"just click the broken-object icon in the top-right corner of the window, describe it and click Send.")
				:
					i18n("Each time you discover a bug in the application, "
						"please click the broken-object icon below the window title-bar, "
						"briefly describe the mis-behaviour and click Send.")
				) + "</p>"
			: "") +
		"<p>" + i18n("Example:", "Examples:", nbButtons) + "</p>" +
		(buttons & LikeBack::Like ?
			"<p><img source=\"likeback_icon_like\"> &nbsp;" +
				i18n("<b>I like</b> the new artwork. Very refreshing.") + "</p>"
			: "") +
		(buttons & LikeBack::Dislike ?
			"<p><img source=\"likeback_icon_dislike\"> &nbsp;" +
				i18n("<b>I dislike</b> the welcome page of that assistant. Too time consuming.") + "</p>"
			: "") +
		(buttons & LikeBack::Bug ?
			"<p><img source=\"likeback_icon_bug\"> &nbsp;" +
				i18n("<b>The application has an improper behaviour</b> when clicking the Add button. Nothing happens.") + "</p>"
			: "") +
		(buttons & LikeBack::Feature ?
			"<p><img source=\"likeback_icon_feature\"> &nbsp;" +
				i18n("<b>I desire a new feature</b> allowing me to send my work by email.") + "</p>"
			: "") +
		"</tr></table>",
		i18n("Help Improve the Application"));

	// Reset the images from the factory:
	TQMimeSourceFactory::defaultFactory()->setData("likeback_icon_like",    0L);
	TQMimeSourceFactory::defaultFactory()->setData("likeback_icon_dislike", 0L);
	TQMimeSourceFactory::defaultFactory()->setData("likeback_icon_bug",     0L);
	TQMimeSourceFactory::defaultFactory()->setData("likeback_icon_feature", 0L);
}

TQString LikeBack::activeWindowPath()
{
	// Compute the window hierarchy (from the latest to the oldest):
	TQStringList windowNames;
	TQWidget *window = TQT_TQWIDGET(kapp->activeWindow());
	while (window) {
		TQString name = window->name();
		// Append the class name to the window name if it is unnamed:
		if (name == "unnamed")
			name += TQString(":") + window->className();
		windowNames.append(name);
		window = dynamic_cast<TQWidget*>(window->parent());
	}

	// Create the string of windows starting by the end (from the oldest to the latest):
	TQString windowPath;
	for (int i = ((int)windowNames.count()) - 1; i >= 0; i--) {
		if (windowPath.isEmpty())
			windowPath = windowNames[i];
		else
			windowPath += TQString("~~") + windowNames[i];
	}

	// Finally return the computed path:
	return windowPath;
}

bool LikeBack::emailAddressAlreadyProvided()
{
	d->config->setGroup("LikeBack");
	return d->config->readBoolEntry("emailAlreadyAsked", false);
}

TQString LikeBack::emailAddress()
{
	if (!emailAddressAlreadyProvided())
		askEmailAddress();

	d->config->setGroup("LikeBack");
	return d->config->readEntry("emailAddress", "");
}

void LikeBack::setEmailAddress(const TQString &address, bool userProvided)
{
	d->config->setGroup("LikeBack");
	d->config->writeEntry("emailAddress",      address);
	d->config->writeEntry("emailAlreadyAsked", userProvided || emailAddressAlreadyProvided());
	d->config->sync(); // Make sure the option is saved, even if the application crashes after that.
}

void LikeBack::askEmailAddress()
{
	d->config->setGroup("LikeBack");

	TQString currentEmailAddress = d->config->readEntry("emailAddress", "");
	if (!emailAddressAlreadyProvided() && !d->fetchedEmail.isEmpty())
		currentEmailAddress = d->fetchedEmail;

	bool ok;

	TQString emailExpString = "[\\w-\\.]+@[\\w-\\.]+\\.[\\w]+";
	//TQString namedEmailExpString = "[.]*[ \\t]+<" + emailExpString + '>';
	//TQRegExp emailExp("^(|" + emailExpString + '|' + namedEmailExpString + ")$");
	TQRegExp emailExp("^(|" + emailExpString + ")$");
	TQRegExpValidator emailValidator(emailExp, this);

	disableBar();
	TQString email = KInputDialog::getText(
		i18n("Email Address"),
		"<p><b>" + i18n("Please provide your email address.") + "</b></p>" +
		"<p>" + i18n("It will only be used to contact you back if more information is needed about your comments, ask you how to reproduce the bugs you report, send bug corrections for you to test, etc.") + "</p>" +
		"<p>" + i18n("The email address is optional. If you do not provide any, your comments will be sent anonymously.") + "</p>",
		currentEmailAddress, &ok, TQT_TQWIDGET(kapp->activeWindow()), /*name=*/(const char*)0, &emailValidator);
	enableBar();

	if (ok)
		setEmailAddress(email);
}

// FIXME: Should be moved to TDEAboutData? Cigogne will also need it.
bool LikeBack::isDevelopmentVersion(const TQString &version)
{
	return version.find("alpha", /*index=*/0, /*caseSensitive=*/false) != -1 ||
	       version.find("beta",  /*index=*/0, /*caseSensitive=*/false) != -1 ||
	       version.find("rc",    /*index=*/0, /*caseSensitive=*/false) != -1 ||
	       version.find("svn",   /*index=*/0, /*caseSensitive=*/false) != -1 ||
	       version.find("cvs",   /*index=*/0, /*caseSensitive=*/false) != -1;
}

/**
 * Code from KBugReport::slotConfigureEmail() in tdeui/kbugreport.cpp:
 */
/*void LikeBack::beginFetchingEmail()
{
	if (m_process)
		return;
	m_process = new TDEProcess();
	*m_process << TQString::fromLatin1("tdecmshell") << TQString::fromLatin1("kcm_useraccount");
	connect( m_process, TQT_SIGNAL(processExited(TDEProcess*)), TQT_SLOT(fetchUserEmail()) );
	if (!m_process->start()) {
		kdDebug() << "Couldn't start tdecmshell.." << endl;
		delete m_process;
		m_process = 0;
		return;
	}
//	m_configureEmail->setEnabled(false);
}*/

/**
 * Code from KBugReport::slotSetFrom() in tdeui/kbugreport.cpp:
 */
void LikeBack::fetchUserEmail()
{
//	delete m_process;
//	m_process = 0;
//	m_configureEmail->setEnabled(true);

	// ### KDE4: why oh why is KEmailSettings in tdeio?
	TDEConfig emailConf( TQString::fromLatin1("emaildefaults") );

	// find out the default profile
	emailConf.setGroup(TQString::fromLatin1("Defaults"));
	TQString profile = TQString::fromLatin1("PROFILE_");
	profile += emailConf.readEntry(TQString::fromLatin1("Profile"), TQString::fromLatin1("Default"));

	emailConf.setGroup(profile);
	TQString fromaddr = emailConf.readEntry(TQString::fromLatin1("EmailAddress"));
	if (fromaddr.isEmpty()) {
		struct passwd *p;
		p = getpwuid(getuid());
		d->fetchedEmail = TQString::fromLatin1(p->pw_name);
	} else {
		TQString name = emailConf.readEntry(TQString::fromLatin1("FullName"));
		if (!name.isEmpty())
			d->fetchedEmail = /*name + TQString::fromLatin1(" <") +*/ fromaddr /*+ TQString::fromLatin1(">")*/;
	}
//	m_from->setText( fromaddr );
}

/*******************************************/
/********** class LikeBackDialog: **********/
/*******************************************/

LikeBackDialog::LikeBackDialog(LikeBack::Button reason, const TQString &initialComment, const TQString &windowPath, const TQString &context, LikeBack *likeBack)
 : KDialogBase(KDialogBase::Swallow, i18n("Send a Comment to Developers"), KDialogBase::Ok | KDialogBase::Cancel | KDialogBase::Default,
               KDialogBase::Ok, TQT_TQWIDGET(kapp->activeWindow()), /*name=*/"_likeback_feedback_window_", /*modal=*/true, /*separator=*/true)
 , m_likeBack(likeBack)
 , m_windowPath(windowPath)
 , m_context(context)
{
	// If no specific "reason" is provided, choose the first one:
	if (reason == LikeBack::AllButtons) {
		LikeBack::Button buttons = m_likeBack->buttons();
		int firstButton = 0;
		if (firstButton == 0 && (buttons & LikeBack::Like))    firstButton = LikeBack::Like;
		if (firstButton == 0 && (buttons & LikeBack::Dislike)) firstButton = LikeBack::Dislike;
		if (firstButton == 0 && (buttons & LikeBack::Bug))     firstButton = LikeBack::Bug;
		if (firstButton == 0 && (buttons & LikeBack::Feature)) firstButton = LikeBack::Feature;
		reason = (LikeBack::Button) firstButton;
	}

	// If no window path is provided, get the current active window path:
	if (m_windowPath.isEmpty())
		m_windowPath = LikeBack::activeWindowPath();

	TQWidget *page = new TQWidget(this);
	TQVBoxLayout *pageLayout = new TQVBoxLayout(page, /*margin=*/0, spacingHint());

	// The introduction message:
	TQLabel *introduction = new TQLabel(introductionText(), page);
	pageLayout->addWidget(introduction);

	// The comment group:
	m_group = new TQButtonGroup(0);//i18n("Send Application Developers a Comment About:"), page);
	TQVGroupBox *box = new TQVGroupBox(i18n("Send Application Developers a Comment About:"), page);
	pageLayout->addWidget(box);

	// The radio buttons:
	TQWidget *buttons = new TQWidget(box);
	TQGridLayout *buttonsGrid = new TQGridLayout(buttons, /*nbRows=*/4, /*nbColumns=*/2, /*margin=*/0, spacingHint());
	if (m_likeBack->buttons() & LikeBack::Like) {
		TQPixmap likePixmap = kapp->iconLoader()->loadIcon("likeback_like", TDEIcon::NoGroup, 16, TDEIcon::DefaultState, 0L, true);
		TQLabel *likeIcon = new TQLabel(buttons);
		likeIcon->setPixmap(likePixmap);
		likeIcon->setSizePolicy(TQSizePolicy::Fixed, TQSizePolicy::Fixed);
		TQRadioButton *likeButton = new TQRadioButton(i18n("Something you &like"), buttons);
		buttonsGrid->addWidget(likeIcon,   /*row=*/0, /*column=*/0);
		buttonsGrid->addWidget(likeButton, /*row=*/0, /*column=*/1);
		m_group->insert(likeButton, LikeBack::Like);
	}
	if (m_likeBack->buttons() & LikeBack::Dislike) {
		TQPixmap dislikePixmap = kapp->iconLoader()->loadIcon("likeback_dislike", TDEIcon::NoGroup, 16, TDEIcon::DefaultState, 0L, true);
		TQLabel *dislikeIcon = new TQLabel(buttons);
		dislikeIcon->setPixmap(dislikePixmap);
		dislikeIcon->setSizePolicy(TQSizePolicy::Fixed, TQSizePolicy::Fixed);
		TQRadioButton *dislikeButton = new TQRadioButton(i18n("Something you &dislike"), buttons);
		buttonsGrid->addWidget(dislikeIcon,   /*row=*/1, /*column=*/0);
		buttonsGrid->addWidget(dislikeButton, /*row=*/1, /*column=*/1);
		m_group->insert(dislikeButton, LikeBack::Dislike);
	}
	if (m_likeBack->buttons() & LikeBack::Bug) {
		TQPixmap bugPixmap = kapp->iconLoader()->loadIcon("likeback_bug", TDEIcon::NoGroup, 16, TDEIcon::DefaultState, 0L, true);
		TQLabel *bugIcon = new TQLabel(buttons);
		bugIcon->setPixmap(bugPixmap);
		bugIcon->setSizePolicy(TQSizePolicy::Fixed, TQSizePolicy::Fixed);
		TQRadioButton *bugButton = new TQRadioButton(i18n("An improper &behavior of this application"), buttons);
		buttonsGrid->addWidget(bugIcon,   /*row=*/2, /*column=*/0);
		buttonsGrid->addWidget(bugButton, /*row=*/2, /*column=*/1);
		m_group->insert(bugButton, LikeBack::Bug);
	}
	if (m_likeBack->buttons() & LikeBack::Feature) {
		TQPixmap featurePixmap = kapp->iconLoader()->loadIcon("likeback_feature", TDEIcon::NoGroup, 16, TDEIcon::DefaultState, 0L, true);
		TQLabel *featureIcon = new TQLabel(buttons);
		featureIcon->setPixmap(featurePixmap);
		featureIcon->setSizePolicy(TQSizePolicy::Fixed, TQSizePolicy::Fixed);
		TQRadioButton *featureButton = new TQRadioButton(i18n("A new &feature you desire"), buttons);
		buttonsGrid->addWidget(featureIcon,   /*row=*/3, /*column=*/0);
		buttonsGrid->addWidget(featureButton, /*row=*/3, /*column=*/1);
		m_group->insert(featureButton, LikeBack::Feature);
	}
	m_group->setButton(reason);

	// The comment text box:
	m_comment = new TQTextEdit(box);
	m_comment->setTabChangesFocus(true);
	m_comment->setTextFormat(TQTextEdit::PlainText);
	m_comment->setText(initialComment);

	m_showButtons = new TQCheckBox(i18n("Show comment buttons below &window titlebars"), page);
	m_showButtons->setChecked(m_likeBack->userWantsToShowBar());
	pageLayout->addWidget(m_showButtons);
	connect( m_showButtons, TQT_SIGNAL(stateChanged(int)), this, TQT_SLOT(changeButtonBarVisible()) );

	setButtonOK(KGuiItem(i18n("&Send Comment"), "mail-send"));
	enableButtonOK(false);
	connect( m_comment, TQT_SIGNAL(textChanged()), this, TQT_SLOT(commentChanged()) );

	setButtonGuiItem(Default, KGuiItem(i18n("&Email Address..."), "mail_generic"));

	resize(TQSize(kapp->desktop()->width() * 1 / 2, kapp->desktop()->height() * 3 / 5).expandedTo(sizeHint()));

	TQAction *sendShortcut = new TQAction(this);
	sendShortcut->setAccel(TQString("Ctrl+Return"));
	connect( sendShortcut, TQT_SIGNAL(activated()), actionButton(Ok), TQT_SLOT(animateClick()) );

	setMainWidget(page);
}

LikeBackDialog::~LikeBackDialog()
{
}

TQString LikeBackDialog::introductionText()
{
	TQString text = "<p>" + i18n("Please provide a brief description of your opinion of %1.").arg(m_likeBack->aboutData()->programName()) + " ";

	TQString languagesMessage = "";
	if (!m_likeBack->acceptedLocales().isEmpty() && !m_likeBack->acceptedLanguagesMessage().isEmpty()) {
		languagesMessage = m_likeBack->acceptedLanguagesMessage();
		TQStringList locales = m_likeBack->acceptedLocales();
		for (TQStringList::Iterator it = locales.begin(); it != locales.end(); ++it) {
			TQString locale = *it;
			if (TDEGlobal::locale()->language().startsWith(locale))
				languagesMessage = "";
		}
	} else {
		if (!TDEGlobal::locale()->language().startsWith("en"))
			languagesMessage = i18n("Please write in English.");
	}

	if (!languagesMessage.isEmpty())
		// TODO: Replace the URL with a localized one:
		text += languagesMessage + " " +
			i18n("You may be able to use an <a href=\"%1\">online translation tool</a>.")
			.arg("http://www.google.com/language_tools?hl=" + TDEGlobal::locale()->language())
			+ " ";

	// If both "I Like" and "I Dislike" buttons are shown and one is clicked:
	if ((m_likeBack->buttons() & LikeBack::Like) && (m_likeBack->buttons() & LikeBack::Dislike))
		text += i18n("To make the comments you send more useful in improving this application, try to send the same amount of positive and negative comments.") + " ";

	if (!(m_likeBack->buttons() & LikeBack::Feature))
		text += i18n("Do <b>not</b> ask for new features: your requests will be ignored.");

	return text;
}

void LikeBackDialog::polish()
{
	KDialogBase::polish();
	m_comment->setFocus();
}

void LikeBackDialog::slotDefault()
{
	m_likeBack->askEmailAddress();
}

void LikeBackDialog::slotOk()
{
	send();
}

void LikeBackDialog::changeButtonBarVisible()
{
	m_likeBack->setUserWantsToShowBar(m_showButtons->isChecked());
}

void LikeBackDialog::commentChanged()
{
	TQPushButton *sendButton = actionButton(Ok);
	sendButton->setEnabled(!m_comment->text().isEmpty());
}

void LikeBackDialog::send()
{
	TQString emailAddress = m_likeBack->emailAddress();

	int reason = m_group->selectedId();
	TQString type = (reason == LikeBack::Like ? "Like" : (reason == LikeBack::Dislike ? "Dislike" : (reason == LikeBack::Bug ? "Bug" : "Feature")));
	TQString data =
		"protocol=" + KURL::encode_string("1.0")                              + '&' +
		"type="     + KURL::encode_string(type)                               + '&' +
		"version="  + KURL::encode_string(m_likeBack->aboutData()->version()) + '&' +
		"locale="   + KURL::encode_string(TDEGlobal::locale()->language())      + '&' +
		"window="   + KURL::encode_string(m_windowPath)                       + '&' +
		"context="  + KURL::encode_string(m_context)                          + '&' +
		"comment="  + KURL::encode_string(m_comment->text())                  + '&' +
		"email="    + KURL::encode_string(emailAddress);
	TQHttp *http = new TQHttp(m_likeBack->hostName(), m_likeBack->hostPort());

	std::cout << "http://" << m_likeBack->hostName().local8Bit() << ":" << m_likeBack->hostPort() << m_likeBack->remotePath().local8Bit() << std::endl;
	std::cout << data.local8Bit() << std::endl;
	connect( http, TQT_SIGNAL(requestFinished(int, bool)), this, TQT_SLOT(requestFinished(int, bool)) );

	TQHttpRequestHeader header("POST", m_likeBack->remotePath());
	header.setValue("Host", m_likeBack->hostName());
	header.setValue("Content-Type", "application/x-www-form-urlencoded");
	http->setHost(m_likeBack->hostName());
	http->request(header, data.utf8());

	m_comment->setEnabled(false);
}

void LikeBackDialog::requestFinished(int /*id*/, bool error)
{
	// TODO: Save to file if error (connection not present at the moment)
	m_comment->setEnabled(true);
	m_likeBack->disableBar();
	if (error) {
		KMessageBox::error(this, i18n("<p>Error while trying to send the report.</p><p>Please retry later.</p>"), i18n("Transfer Error"));
	} else {
		KMessageBox::information(
			this,
			i18n("<p>Your comment has been sent successfully. It will help improve the application.</p><p>Thanks for your time.</p>"),
			i18n("Comment Sent")
		);
		close();
	}
	m_likeBack->enableBar();

	KDialogBase::slotOk();
}

#include "likeback_private.moc"
#include "likeback.moc"
