/****************************************************************
 *  RetroShare is distributed under the following license:
 *
 *  Copyright (C) 2006, 2007 crypton
 *
 *  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.
 ****************************************************************/

#include <rshare.h>
#include <retroshare/rsinit.h>
#include "StartDialog.h"
#include "LogoBar.h"
#include <QMessageBox>
#include "settings/rsharesettings.h"

#include <iostream>

/** Default constructor */
StartDialog::StartDialog(QWidget *parent, Qt::WFlags flags)
  : QMainWindow(parent, flags), reqNewCert(false)
{
	/* Invoke Qt Designer generated QObject setup routine */
	ui.setupUi(this);

	Settings->loadWidgetInformation(this);

	ui.loadButton->setFocus();

	connect(ui.loadButton, SIGNAL(clicked()), this, SLOT(loadPerson()));
	connect(ui.autologin_checkbox, SIGNAL(clicked()), this, SLOT(notSecureWarning()));

	/* get all available pgp private certificates....
	* mark last one as default.
	*/
	std::list<std::string> accountIds;
	std::list<std::string>::iterator it;
	std::string preferedId;
	RsInit::getPreferedAccountId(preferedId);
	int pidx = -1;
	int i;

	if (RsInit::getAccountIds(accountIds))
	{
		for(it = accountIds.begin(), i = 0; it != accountIds.end(); it++, i++)
		{
			const QVariant & userData = QVariant(QString::fromStdString(*it));
			std::string gpgid, name, email, location;
			RsInit::getAccountDetails(*it, gpgid, name, email, location);
			QString accountName = QString::fromUtf8(name.c_str()) + " (" + QString::fromStdString(gpgid).right(8) + ") - " + QString::fromUtf8(location.c_str());
			ui.loadName->addItem(accountName, userData);

			if (preferedId == *it)
			{
				pidx = i;
			}
		}
	}

	if (pidx > 0)
	{
		ui.loadName->setCurrentIndex(pidx);
	}
}

void StartDialog::closeEvent (QCloseEvent * event)
{
	Settings->saveWidgetInformation(this);

	QWidget::closeEvent(event);
}

void StartDialog::loadPerson()
{
	std::string accountId = "";

	int pgpidx = ui.loadName->currentIndex();
	if (pgpidx < 0)
	{
		/* Message Dialog */
		QMessageBox::warning(this, tr("Load Person Failure"), tr("Missing PGP Certificate"), QMessageBox::Ok);
		return;
	}

	QVariant data = ui.loadName->itemData(pgpidx);
	accountId = (data.toString()).toStdString();

	std::string gpgId, gpgName, gpgEmail, sslName;
	if (RsInit::getAccountDetails(accountId, gpgId, gpgName, gpgEmail, sslName))
	{
		RsInit::SelectGPGAccount(gpgId);
	}

	RsInit::LoadPassword(accountId, "");
	loadCertificates();
}

void StartDialog::loadCertificates()
{
	/* Final stage of loading */
	std::string lockFile;
	int retVal = RsInit::LockAndLoadCertificates(ui.autologin_checkbox->isChecked(), lockFile);
	switch(retVal)
	{
	case 0: close();
		break;
	case 1:	QMessageBox::warning(this,
								 tr("Multiple instances"),
								 tr("Another RetroShare using the same profile is "
									"already running on your system. Please close "
									"that instance first, or choose another profile\n"
									"lock file:\n")+ QString::fromStdString(lockFile));
		break;
	case 2:	QMessageBox::warning(this,
								 tr("Multiple instances"),
								 tr("An unexpected error occurred when Retroshare "
									"tried to acquire the single instance lock\n"
									"lock file:\n")+ QString::fromStdString(lockFile));
		break;
	case 3: QMessageBox::warning(this,
								 tr("Login Failure"),
								 tr("Maybe password is wrong") );
		break;
	default: std::cerr << "StartDialog::loadCertificates() unexpected switch value " << retVal << std::endl;
	}
}

void StartDialog::on_labelProfile_linkActivated(QString /*link*/)
{
//	if ((QMessageBox::question(this, tr("Create a New Profile"),tr("This will generate a new Profile\n Are you sure you want to continue?"),QMessageBox::Yes|QMessageBox::No, QMessageBox::Yes))== QMessageBox::Yes)
//	{
		reqNewCert = true;
		close();
//	}
}

bool StartDialog::requestedNewCert()
{
	return reqNewCert;
}

void StartDialog::notSecureWarning()
{
	/* some error msg */
	if (ui.autologin_checkbox->isChecked())
#ifdef UBUNTU
		QMessageBox::warning ( this, tr("Warning"), tr("The password to your SSL certificate (your location) will be stored encrypted in your Gnome Keyring. \n\n Your PGP passwd will not be stored.\n\nThis choice can be reverted in settings."), QMessageBox::Ok);
#else
#ifdef __APPLE__
		QMessageBox::warning ( this, tr("Warning"), tr("The password to your SSL certificate (your location) will be stored encrypted in your Keychain. \n\n Your PGP passwd will not be stored.\n\nThis choice can be reverted in settings."), QMessageBox::Ok);
#else
		QMessageBox::warning ( this, tr("Warning"), tr("The password to your SSL certificate (your location) will be stored encrypted in the keys/help.dta file. This is not secure. \n\n Your PGP password will not be stored.\n\nThis choice can be reverted in settings."), QMessageBox::Ok);
#endif
#endif
}