/*
 * infodlg.cpp - handle vcard
 * Copyright (C) 2001, 2002  Justin Karneges
 *
 * 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 library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 *
 */

#include <QFileDialog>

#include "infodlg.h"

#include <QPointer>
#include <QLayout>
#include <QLabel>
#include <QTabWidget>
#include <QLineEdit>
#include <QMessageBox>
#include <QPixmap>
#include <QCalendarWidget>
#include <QFormLayout>
#include <QDialogButtonBox>
#include <QVBoxLayout>
#include <QAction>

#include "vcardphotodlg.h"
#include "msgmle.h"
#include "userlist.h"
#include "xmpp_vcard.h"
#include "xmpp_tasks.h"
#include "psiaccount.h"
#include "busywidget.h"
#include "iconset.h"
#include "common.h"
#include "lastactivitytask.h"
#include "entitytimetask.h"
#include "vcardfactory.h"
#include "iconwidget.h"
#ifndef NEWCONTACTLIST
# include "contactview.h"
#endif
#include "psirichtext.h"
#include "psioptions.h"
#include "fileutil.h"
#include "discodlg.h"
#include "desktoputil.h"
#include "textutil.h"

using namespace XMPP;

class InfoDlg::Private
{
public:
	Private() {}

	int type;
	Jid jid;
	VCard vcard;
	PsiAccount *pa;
	BusyWidget *busy;
	bool te_edited;
	int actionType;
	JT_VCard *jt;
	bool cacheVCard;
	QByteArray photo;
	QDate bday;
	QString dateTextFormat;
	QList<QString> infoRequested;
	QPointer<QDialog> showPhotoDlg;
	QPointer<QFrame> namesDlg;
	QPointer<QPushButton> noBdayButton;
	QPointer<QFrame> bdayPopup;
	QPointer<QCalendarWidget> calendar;
	QLineEdit *le_givenname;
	QLineEdit *le_middlename;
	QLineEdit *le_familyname;
	QAction *homepageAction;

	// Fake UserListItem for groupchat contacts.
	// One day this dialog should be rewritten not to talk directly to psiaccount,
	// but for now this will somehow work...

	UserListItem *userListItem;

	// use instead of pa->findRelevant(j)
	QList<UserListItem*> findRelevant(const Jid &j) const
	{
		if (userListItem) {
			return QList<UserListItem*>() << userListItem;
		} else {
			return pa->findRelevant(j);
		}
	}

	// use instead of pa->find(j)
	UserListItem *find(const Jid &j) const
	{
		if (userListItem) {
			return userListItem;
		} else {
			return pa->find(j);
		}
	}

	// use instead of pa->contactProfile()->updateEntry(u)
	void updateEntry(const UserListItem &u)
	{
		if (!userListItem) {
			pa->updateEntry(u);
		}
	}
};

InfoDlg::InfoDlg(int type, const Jid &j, const VCard &vcard, PsiAccount *pa, QWidget *parent, bool cacheVCard)
	: QDialog(parent)
{
	setAttribute(Qt::WA_DeleteOnClose);
#if QT_VERSION >= 0x040500
	setWindowFlags(Qt::Dialog | Qt::WindowTitleHint | Qt::WindowMinimizeButtonHint | Qt::WindowMaximizeButtonHint | Qt::WindowCloseButtonHint | Qt::CustomizeWindowHint);
#endif
	ui_.setupUi(this);
	d = new Private;
	setModal(false);
	d->type = type;
	d->jid = j;
	d->vcard = vcard;
	d->pa = pa;
	d->te_edited = false;
	d->jt = 0;
	d->pa->dialogRegister(this, j);
	d->cacheVCard = cacheVCard;
	d->busy = ui_.busy;
	d->dateTextFormat = "d MMM yyyy";

	setWindowTitle(d->jid.full());
#ifndef Q_OS_MAC
	setWindowIcon(IconsetFactory::icon("psi/vCard").icon());
#endif
	// names editing dialog
	d->namesDlg = new QFrame(this);
	d->namesDlg->setFrameShape(QFrame::StyledPanel);
	QFormLayout *fl = new QFormLayout;
	d->le_givenname = new QLineEdit(d->namesDlg);
	d->le_middlename = new QLineEdit(d->namesDlg);
	d->le_familyname = new QLineEdit(d->namesDlg);
	fl->addRow(tr("First Name:"), d->le_givenname);
	fl->addRow(tr("Middle Name:"), d->le_middlename);
	fl->addRow(tr("Last Name:"), d->le_familyname);
	d->namesDlg->setLayout(fl);
	// end names editing dialog

	QAction *editnames = new QAction(IconsetFactory::icon(d->type == Self ? "psi/options" : "psi/info").icon(),
									 d->type == Self ? tr("Edit names") : tr("View names") , this);
	ui_.le_fullname->addAction(editnames);
	ui_.le_fullname->widgetForAction(editnames)->setPopup(d->namesDlg);
	d->homepageAction = new QAction(IconsetFactory::icon("psi/arrowRight").icon(), tr("Open web browser"), this);
	d->homepageAction->setToolTip(tr("Open web browser"));
	d->homepageAction->setVisible(false);
	ui_.le_homepage->addAction(d->homepageAction);
	connect(d->homepageAction, SIGNAL(triggered()), SLOT(goHomepage()));

	connect(ui_.pb_refresh, SIGNAL(clicked()), this, SLOT(doRefresh()));
	connect(ui_.pb_refresh, SIGNAL(clicked()), this, SLOT(updateStatus()));
	connect(ui_.te_desc, SIGNAL(textChanged()), this, SLOT(textChanged()));
	connect(ui_.pb_open, SIGNAL(clicked()), this, SLOT(selectPhoto()));
	connect(ui_.pb_clear, SIGNAL(clicked()), this, SLOT(clearPhoto()));
	connect(ui_.pb_close, SIGNAL(clicked()), this, SLOT(close()));
	connect(ui_.tb_photo, SIGNAL(clicked()), SLOT(showPhoto()));
	connect(ui_.pb_disco, SIGNAL(clicked()), this, SLOT(doDisco()));
	//connect(editnames, SIGNAL(triggered()), d->namesDlg, SLOT(show()));

	if(d->type == Self) {
		d->bdayPopup = new QFrame(this);
		d->bdayPopup->setFrameShape(QFrame::StyledPanel);
		QVBoxLayout* vbox = new QVBoxLayout(d->bdayPopup);

		d->calendar = new QCalendarWidget(d->bdayPopup);
		d->calendar->setFirstDayOfWeek(firstDayOfWeekFromLocale());
		d->calendar->setVerticalHeaderFormat(QCalendarWidget::NoVerticalHeader);
		vbox->addWidget(d->calendar);

		QFrame* line = new QFrame(d->bdayPopup);
		line->setFrameShape(QFrame::HLine);
		line->setFrameShadow(QFrame::Sunken);
		vbox->addWidget(line);

		d->noBdayButton = new QPushButton(IconsetFactory::icon("psi/cancel").icon(), tr("No date"), d->bdayPopup);
		d->noBdayButton->setCheckable(true);
		vbox->addWidget(d->noBdayButton);

		d->bdayPopup->setLayout(vbox);

		QAction *showcal = new QAction(IconsetFactory::icon("psi/options").icon(), tr("Edit birthday"), this);
		showcal->setToolTip(tr("Edit birthday"));
		ui_.le_bday->addAction(showcal);
		ui_.le_bday->widgetForAction(showcal)->setPopup(d->bdayPopup);
		connect(ui_.pb_submit, SIGNAL(clicked()), this, SLOT(doSubmit()));
		connect(showcal, SIGNAL(triggered()), this, SLOT(doShowCal()));
		connect(d->calendar, SIGNAL(clicked(QDate)), this, SLOT(doUpdateFromCalendar(QDate)));
		connect(d->calendar, SIGNAL(activated(QDate)), this, SLOT(doUpdateFromCalendar(QDate)));
		connect(d->noBdayButton, SIGNAL(clicked()), SLOT(doClearBirthDate()));

		ui_.pb_disco->hide();
	}
	else {
		// Hide buttons
		ui_.pb_submit->hide();
		ui_.pb_open->hide();
		ui_.pb_clear->hide();
		setReadOnly(true);
	}

	// fake UserListItem used when displaying groupchat contact
	GCContact *gcc = pa->findGCContact(j);
	if (gcc) {
		d->userListItem = new UserListItem(false);
		d->userListItem->setJid(j);
		d->userListItem->setName(j.resource());

		UserResource ur;
		ur.setName(j.resource());
		ur.setStatus(pa->gcContactStatus(j));
		d->userListItem->userResourceList().append(ur);
	} else {
		d->userListItem = 0;
	}

	// Add a status tab
	connect(d->pa->client(), SIGNAL(resourceAvailable(const Jid &, const Resource &)), SLOT(contactAvailable(const Jid &, const Resource &)));
	connect(d->pa->client(), SIGNAL(resourceUnavailable(const Jid &, const Resource &)), SLOT(contactUnavailable(const Jid &, const Resource &)));
	connect(d->pa,SIGNAL(updateContact(const Jid&)),SLOT(contactUpdated(const Jid&)));
	ui_.te_status->setReadOnly(true);
	ui_.te_status->setAcceptRichText(true);
	PsiRichText::install(ui_.te_status->document());
	updateStatus();
	foreach(UserListItem* u, d->findRelevant(j)) {
		foreach(UserResource r, u->userResourceList()) {
			requestResourceInfo(d->jid.withResource(r.name()));
		}
		if (u->userResourceList().isEmpty() && u->lastAvailable().isNull()) {
			requestLastActivity();
		}
	}

	setData(d->vcard);
}

InfoDlg::~InfoDlg()
{
	d->pa->dialogUnregister(this);
	delete d->userListItem;
	d->userListItem = 0;
	delete d;
}

/**
 * Redefined so the window does not close when changes are not saved.
 */
void InfoDlg::closeEvent ( QCloseEvent * e ) {

	// don't close if submitting
	if(d->busy->isActive() && d->actionType == 1) {
		e->ignore();
		return;
	}

	if(d->type == Self && edited()) {
		int n = QMessageBox::information(this, tr("Warning"), tr("You have not published your account information changes.\nAre you sure you want to discard them?"), tr("Close and discard"), tr("Don't close"));
		if(n != 0) {
			e->ignore();
			return;
		}
	}

	// cancel active transaction (refresh only)
	if(d->busy->isActive() && d->actionType == 0) {
		delete d->jt;
		d->jt = 0;
	}

	e->accept();
}

void InfoDlg::jt_finished()
{
	d->jt = 0;
	JT_VCard* jtVCard = static_cast<JT_VCard*> (sender());

	d->busy->stop();
	ui_.pb_refresh->setEnabled(true);
	ui_.pb_submit->setEnabled(true);
	ui_.pb_close->setEnabled(true);
	fieldsEnable(true);

	if(jtVCard->success()) {
		if(d->actionType == 0) {
			d->vcard = jtVCard->vcard();
			setData(d->vcard);
		}
		else if(d->actionType == 1) {
			d->vcard = jtVCard->vcard();
			if ( d->cacheVCard )
				VCardFactory::instance()->setVCard(d->jid, d->vcard);
			setData(d->vcard);
		}

		if(d->jid.compare(d->pa->jid(), false)) {
			if (!d->vcard.nickName().isEmpty())
				d->pa->setNick(d->vcard.nickName());
			else
				d->pa->setNick(d->pa->jid().node());
		}

		if(d->actionType == 1)
			QMessageBox::information(this, tr("Success"), tr("Your account information has been published."));
	}
	else {
		if(d->actionType == 0) {
			if(d->type == Self)
				QMessageBox::critical(this, tr("Error"), tr("Unable to retrieve your account information.  Perhaps you haven't entered any yet."));
			else
				QMessageBox::critical(this, tr("Error"), tr("Unable to retrieve information about this contact.\nReason: %1").arg(jtVCard->statusString()));
		}
		else {
			QMessageBox::critical(this, tr("Error"), tr("Unable to publish your account information.\nReason: %1").arg(jtVCard->statusString()));
		}
	}
}

void InfoDlg::setData(const VCard &i)
{
	d->le_givenname->setText( i.givenName() );
	d->le_middlename->setText( i.middleName() );
	d->le_familyname->setText( i.familyName() );
	ui_.le_nickname->setText( i.nickName() );
	d->bday = QDate::fromString(i.bdayStr(), Qt::ISODate);
	if (d->bday.isValid()) {
		ui_.le_bday->setText( d->bday.toString(d->dateTextFormat) );
	}
	else {
		ui_.le_bday->setText( i.bdayStr() );
	}
	const QString fullName = i.fullName();
	if (d->type != Self && fullName.isEmpty()) {
		ui_.le_fullname->setText( QString("%1 %2 %3")
			.arg(i.givenName())
			.arg(i.middleName())
			.arg(i.familyName()) );
	} else {
		ui_.le_fullname->setText( fullName );
	}

	ui_.le_fullname->setToolTip(
		QString("<b>")+tr("First Name:")+"</b> "+TextUtil::escape(d->vcard.givenName())+"<br>"+
			"<b>"+tr("Middle Name:")+"</b> "+TextUtil::escape(d->vcard.middleName())+"<br>"+
			"<b>"+tr("Last Name:")+"</b> "+TextUtil::escape(d->vcard.familyName()) );

	QString email;
	if ( !i.emailList().isEmpty() )
		email = i.emailList()[0].userid;
	ui_.le_email->setText( email );

	ui_.le_homepage->setText( i.url() );
	d->homepageAction->setVisible(!i.url().isEmpty());

	QString phone;
	if ( !i.phoneList().isEmpty() )
		phone = i.phoneList()[0].number;
	ui_.le_phone->setText( phone );

	VCard::Address addr;
	if ( !i.addressList().isEmpty() )
		addr = i.addressList()[0];
	ui_.le_street->setText( addr.street );
	ui_.le_ext->setText( addr.extaddr );
	ui_.le_city->setText( addr.locality );
	ui_.le_state->setText( addr.region );
	ui_.le_pcode->setText( addr.pcode );
	ui_.le_country->setText( addr.country );

	ui_.le_orgName->setText( i.org().name );

	QString unit;
	if ( !i.org().unit.isEmpty() )
		unit = i.org().unit[0];
	ui_.le_orgUnit->setText( unit );

	ui_.le_title->setText( i.title() );
	ui_.le_role->setText( i.role() );
	ui_.te_desc->setPlainText( i.desc() );

	if ( !i.photo().isEmpty() ) {
		//printf("There is a picture...\n");
		d->photo = i.photo();
		if (!updatePhoto()) {
			clearPhoto();
		}
	}
	else {
		clearPhoto();
	}

	setEdited(false);
}

void InfoDlg::showEvent( QShowEvent * event )
{
	QDialog::showEvent(event);
	if ( !d->vcard.photo().isEmpty() ) {
		//printf("There is a picture...\n");
		d->photo = d->vcard.photo();
		updatePhoto();
	}
}

bool InfoDlg::updatePhoto()
{
	const QImage img = QImage::fromData(d->photo);
	if (img.isNull()) {
		return false;
	}
	int max_width  = ui_.tb_photo->width() - 10; // FIXME: Ugly magic number
	int max_height = ui_.tb_photo->height() - 10; // FIXME: Ugly magic number

	ui_.tb_photo->setIcon(QPixmap::fromImage(img));
	ui_.tb_photo->setIconSize(QSize(max_width, max_height));
	return true;
}

void InfoDlg::fieldsEnable(bool x)
{
	ui_.le_fullname->setEnabled(x);
	d->le_givenname->setEnabled(x);
	d->le_middlename->setEnabled(x);
	d->le_familyname->setEnabled(x);
	ui_.le_nickname->setEnabled(x);
	ui_.le_bday->setEnabled(x);
	ui_.le_email->setEnabled(x);
	ui_.le_homepage->setEnabled(x);
	ui_.le_phone->setEnabled(x);
	ui_.pb_open->setEnabled(x);
	ui_.pb_clear->setEnabled(x);

	ui_.le_street->setEnabled(x);
	ui_.le_ext->setEnabled(x);
	ui_.le_city->setEnabled(x);
	ui_.le_state->setEnabled(x);
	ui_.le_pcode->setEnabled(x);
	ui_.le_country->setEnabled(x);

	ui_.le_orgName->setEnabled(x);
	ui_.le_orgUnit->setEnabled(x);
	ui_.le_title->setEnabled(x);
	ui_.le_role->setEnabled(x);
	ui_.te_desc->setEnabled(x);

	setEdited(false);
}

void InfoDlg::setEdited(bool x)
{
	ui_.le_fullname->setModified(x);
	d->le_givenname->setModified(x);
	d->le_middlename->setModified(x);
	d->le_familyname->setModified(x);
	ui_.le_nickname->setModified(x);
	ui_.le_bday->setModified(x);
	ui_.le_email->setModified(x);
	ui_.le_homepage->setModified(x);
	ui_.le_phone->setModified(x);
	ui_.le_street->setModified(x);
	ui_.le_ext->setModified(x);
	ui_.le_city->setModified(x);
	ui_.le_state->setModified(x);
	ui_.le_pcode->setModified(x);
	ui_.le_country->setModified(x);
	ui_.le_orgName->setModified(x);
	ui_.le_orgUnit->setModified(x);
	ui_.le_title->setModified(x);
	ui_.le_role->setModified(x);

	d->te_edited = x;
}

bool InfoDlg::edited()
{
	bool x = false;

	if(ui_.le_fullname->isModified()) x = true;
	if(d->le_givenname->isModified()) x = true;
	if(d->le_middlename->isModified()) x = true;
	if(d->le_familyname->isModified()) x = true;
	if(ui_.le_nickname->isModified()) x = true;
	if(ui_.le_bday->isModified()) x = true;
	if(ui_.le_email->isModified()) x = true;
	if(ui_.le_homepage->isModified()) x = true;
	if(ui_.le_phone->isModified()) x = true;
	if(ui_.le_street->isModified()) x = true;
	if(ui_.le_ext->isModified()) x = true;
	if(ui_.le_city->isModified()) x = true;
	if(ui_.le_state->isModified()) x = true;
	if(ui_.le_pcode->isModified()) x = true;
	if(ui_.le_country->isModified()) x = true;
	if(ui_.le_orgName->isModified()) x = true;
	if(ui_.le_orgUnit->isModified()) x = true;
	if(ui_.le_title->isModified()) x = true;
	if(ui_.le_role->isModified()) x = true;
	if(d->te_edited) x = true;

	return x;
}

void InfoDlg::setReadOnly(bool x)
{
	ui_.le_fullname->setReadOnly(x);
	d->le_givenname->setReadOnly(x);
	d->le_middlename->setReadOnly(x);
	d->le_familyname->setReadOnly(x);
	ui_.le_nickname->setReadOnly(x);
	//ui_.le_bday->setReadOnly(x); //always read only. use calendar
	ui_.le_email->setReadOnly(x);
	ui_.le_homepage->setReadOnly(x);
	ui_.le_phone->setReadOnly(x);
	ui_.le_street->setReadOnly(x);
	ui_.le_ext->setReadOnly(x);
	ui_.le_city->setReadOnly(x);
	ui_.le_state->setReadOnly(x);
	ui_.le_pcode->setReadOnly(x);
	ui_.le_country->setReadOnly(x);
	ui_.le_orgName->setReadOnly(x);
	ui_.le_orgUnit->setReadOnly(x);
	ui_.le_title->setReadOnly(x);
	ui_.le_role->setReadOnly(x);
	ui_.te_desc->setReadOnly(x);
}

void InfoDlg::doRefresh()
{
	if(!d->pa->checkConnected(this))
		return;
	if(!ui_.pb_refresh->isEnabled())
		return;
	if(d->busy->isActive())
		return;

	ui_.pb_submit->setEnabled(false);
	ui_.pb_refresh->setEnabled(false);
	fieldsEnable(false);

	d->actionType = 0;
	d->busy->start();

	d->jt = VCardFactory::instance()->getVCard(d->jid, d->pa->client()->rootTask(), this, SLOT(jt_finished()), d->cacheVCard);
}

void InfoDlg::doSubmit()
{
	if(!d->pa->checkConnected(this)) {
		return;
	}
	if(!ui_.pb_submit->isEnabled()) {
		return;
	}
	if(d->busy->isActive()) {
		return;
	}

	VCard submit_vcard = makeVCard();

	ui_.pb_submit->setEnabled(false);
	ui_.pb_refresh->setEnabled(false);
	ui_.pb_close->setEnabled(false);
	fieldsEnable(false);

	d->actionType = 1;
	d->busy->start();

	VCardFactory::instance()->setVCard(d->pa, submit_vcard, this, SLOT(jt_finished()));
}

void InfoDlg::doShowCal()
{
	d->noBdayButton->setChecked(ui_.le_bday->text().isEmpty());
	if (d->bday.isValid()) {
		d->calendar->setSelectedDate(d->bday);
	}
}

void InfoDlg::doDisco()
{
	DiscoDlg* w=new DiscoDlg(d->pa, d->jid, "");
	connect(w, SIGNAL(featureActivated(QString, Jid, QString)), d->pa, SLOT(featureActivated(QString, Jid, QString)));
	w->show();
}

void InfoDlg::doUpdateFromCalendar(const QDate& date)
{
	if (d->bday != date) {
		d->bday = date;
		ui_.le_bday->setText(date.toString(d->dateTextFormat));
		ui_.le_bday->setModified(true);
	}
	d->bdayPopup->hide();
}

void InfoDlg::doClearBirthDate()
{
	if (!ui_.le_bday->text().isEmpty()) {
		d->bday = QDate();
		ui_.le_bday->setText("");
		ui_.le_bday->setModified(true);
	}
	d->bdayPopup->hide();
}

VCard InfoDlg::makeVCard()
{
	VCard v;

	v.setFullName( ui_.le_fullname->text() );
	v.setGivenName( d->le_givenname->text() );
	v.setMiddleName( d->le_middlename->text() );
	v.setFamilyName( d->le_familyname->text() );
	v.setNickName( ui_.le_nickname->text() );
	v.setBdayStr( d->bday.isValid()? d->bday.toString(Qt::ISODate) : ui_.le_bday->text() );

	if ( !ui_.le_email->text().isEmpty() ) {
		VCard::Email email;
		email.internet = true;
		email.userid = ui_.le_email->text();

		VCard::EmailList list;
		list << email;
		v.setEmailList( list );
	}

	v.setUrl( ui_.le_homepage->text() );

	if ( !ui_.le_phone->text().isEmpty() ) {
		VCard::Phone p;
		p.home = true;
		p.voice = true;
		p.number = ui_.le_phone->text();

		VCard::PhoneList list;
		list << p;
		v.setPhoneList( list );
	}

	if ( !d->photo.isEmpty() ) {
		//printf("Adding a pixmap to the vCard...\n");
		v.setPhoto( d->photo );
	}

	if ( !ui_.le_street->text().isEmpty() ||
		 !ui_.le_ext->text().isEmpty()    ||
		 !ui_.le_city->text().isEmpty()   ||
		 !ui_.le_state->text().isEmpty()  ||
		 !ui_.le_pcode->text().isEmpty()  ||
		 !ui_.le_country->text().isEmpty() )
	{
		VCard::Address addr;
		addr.home     = true;
		addr.street   = ui_.le_street->text();
		addr.extaddr  = ui_.le_ext->text();
		addr.locality = ui_.le_city->text();
		addr.region   = ui_.le_state->text();
		addr.pcode    = ui_.le_pcode->text();
		addr.country  = ui_.le_country->text();

		VCard::AddressList list;
		list << addr;
		v.setAddressList( list );
	}

	VCard::Org org;

	org.name = ui_.le_orgName->text();

	if ( !ui_.le_orgUnit->text().isEmpty() ) {
		org.unit << ui_.le_orgUnit->text();
	}

	v.setOrg( org );

	v.setTitle( ui_.le_title->text() );
	v.setRole( ui_.le_role->text() );
	v.setDesc( ui_.te_desc->toPlainText() );

	return v;
}

void InfoDlg::textChanged()
{
	d->te_edited = true;
}

/**
 * Opens a file browser dialog, and if selected, calls the setPreviewPhoto with the consecuent path.
 * \see setPreviewPhoto(const QString& path)
*/
void InfoDlg::selectPhoto()
{
	QString str = FileUtil::getImageFileName(this);
	if (!str.isEmpty()) {
		setPreviewPhoto(str);
	}
}

/**
 * Loads the image from the requested URL, and inserts the resized image into the preview box.
 * \param path image file to load
*/
void InfoDlg::setPreviewPhoto(const QString& path)
{
	QFile photo_file(path);
	if (!photo_file.open(QIODevice::ReadOnly))
		return;

	QByteArray photo_data = photo_file.readAll();
	QImage photo_image = QImage::fromData(photo_data);
	if(!photo_image.isNull()) {
		d->photo = photo_data;
		updatePhoto();
		d->te_edited = true;
	}
}

/**
 * Clears the preview image box and marks the te_edited signal in the private.
*/
void InfoDlg::clearPhoto()
{
	ui_.tb_photo->setIcon(QIcon());
	ui_.tb_photo->setText(tr("Picture not\navailable"));
	d->photo = QByteArray();

	// the picture changed, so notify there are some changes done
	d->te_edited = true;
}

/**
 * Updates the status info of the contact
 */
void InfoDlg::updateStatus()
{
	UserListItem *u = d->find(d->jid);
	if(u) {
		PsiRichText::setText(ui_.te_status->document(), u->makeDesc());
	}
	else {
		ui_.te_status->clear();
	}
}

/**
 * Sets the visibility of the status tab
 */
void InfoDlg::setStatusVisibility(bool visible)
{
	// Add/remove tab if necessary
	int index = ui_.tabwidget->indexOf(ui_.tab_status);
	if(index==-1) {
		if(visible)
			ui_.tabwidget->addTab(ui_.tab_status,tr("Status"));
	}
	else if(!visible) {
		ui_.tabwidget->removeTab(index);
	}
}

/**
 * \brief Requests per-resource information.
 *
 * Gets information about client version and time.
 */
void InfoDlg::requestResourceInfo(const Jid& j)
{
	d->infoRequested += j.full();

	JT_ClientVersion *jcv = new JT_ClientVersion(d->pa->client()->rootTask());
	connect(jcv, SIGNAL(finished()), SLOT(clientVersionFinished()));
	jcv->get(j);
	jcv->go(true);

	EntityTimeTask *jet = new EntityTimeTask(d->pa->client()->rootTask());
	connect(jet, SIGNAL(finished()), SLOT(entityTimeFinished()));
	jet->get(j);
	jet->go(true);
}

void InfoDlg::clientVersionFinished()
{
	JT_ClientVersion *j = (JT_ClientVersion *)sender();
	if(j->success()) {
		foreach(UserListItem* u, d->findRelevant(j->jid())) {
			UserResourceList::Iterator rit = u->userResourceList().find(j->jid().resource());
			bool found = (rit == u->userResourceList().end()) ? false: true;
			if(!found) {
				continue;
			}

			(*rit).setClient(j->name(),j->version(),j->os());
			d->updateEntry(*u);
			updateStatus();
		}
	}
}

void InfoDlg::entityTimeFinished()
{
	EntityTimeTask *j = (EntityTimeTask *)sender();
	if(j->success()) {
		foreach(UserListItem* u, d->findRelevant(j->jid())) {
			UserResourceList::Iterator rit = u->userResourceList().find(j->jid().resource());
			bool found = (rit == u->userResourceList().end()) ? false: true;
			if(!found)
				continue;

			(*rit).setTimezone(j->timezoneOffset());
			d->updateEntry(*u);
			updateStatus();
		}
	}
}

void InfoDlg::requestLastActivity()
{
	LastActivityTask *jla = new LastActivityTask(d->jid.bare(),d->pa->client()->rootTask());
	connect(jla, SIGNAL(finished()), SLOT(requestLastActivityFinished()));
	jla->go(true);
}

void InfoDlg::requestLastActivityFinished()
{
	LastActivityTask *j = (LastActivityTask *)sender();
	if(j->success()) {
		foreach(UserListItem* u, d->findRelevant(d->jid)) {
			u->setLastUnavailableStatus(makeStatus(STATUS_OFFLINE,j->status()));
			u->setLastAvailable(j->time());
			d->updateEntry(*u);
			updateStatus();
		}
	}
}


void InfoDlg::contactAvailable(const Jid &j, const Resource &r)
{
	if (d->jid.compare(j,false)) {
		if (!d->infoRequested.contains(j.withResource(r.name()).full())) {
			requestResourceInfo(j.withResource(r.name()));
		}
	}
}

void InfoDlg::contactUnavailable(const Jid &j, const Resource &r)
{
	if (d->jid.compare(j,false)) {
		d->infoRequested.removeAll(j.withResource(r.name()).full());
	}
}

void InfoDlg::contactUpdated(const XMPP::Jid & j)
{
	if (d->jid.compare(j,false)) {
		updateStatus();
	}
}

void InfoDlg::showPhoto()
{
	 if (!d->photo.isEmpty()) {
		QPixmap pixmap;
		if (!d->showPhotoDlg) {
			if (pixmap.loadFromData(d->photo)) {
				d->showPhotoDlg=new ShowPhotoDlg(this, pixmap);
				d->showPhotoDlg->show();
			}
		}
		else {
			::bringToFront(d->showPhotoDlg);
		}
	 }
}

void InfoDlg::goHomepage()
{
	QString homepage = ui_.le_homepage->text();
	if (!homepage.isEmpty()) {
		if (homepage.indexOf("://") == -1) {
			homepage = "http://" + homepage;
		}
		DesktopUtil::openUrl(homepage);
	}
}
