/****************************************************************
 *  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 <rsiface/rsinit.h>
#include "StartDialog.h"
#include "InfoDialog.h"
#include "LogoBar.h"
#include <QFileDialog>
#include <QMessageBox>
#include "util/Widget.h"
#include "settings/rsharesettings.h"

/* Define the format used for displaying the date and time */
#define DATETIME_FMT  "MMM dd hh:mm:ss"



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

  /* Create Bandwidth Graph related QObjects */
  Settings->loadWidgetInformation(this);
 
  _rsLogoBar = NULL;
 
  //LogoBar
  _rsLogoBar = new LogoBar(ui.callBarFrame);
  Widget::createLayout(ui.callBarFrame)->addWidget(_rsLogoBar);
  
  ui.loadButton->setFocus();


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

  /* load the Certificate File name */
  std::string userName;

	/* 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::fromStdString(name + " (") + QString::fromStdString(gpgid).right(8) + ") - " + QString::fromStdString(location);
       			ui.loadName->addItem(accountName, userData);

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

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



/** 
 Overloads the default show() slot so we can set opacity*/

void StartDialog::show()
{
  //loadSettings();
  if(!this->isVisible()) {
    QMainWindow::show();

  }
}

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

 QWidget::closeEvent(event);
}

void StartDialog::closeinfodlg()
{
	close();
}



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

        int pgpidx = ui.loadName->currentIndex();
        if (pgpidx < 0)
        {
                /* Message Dialog */
                QMessageBox::warning ( this,
                                "Load Person Failure",
                                "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 */
	int retVal = RsInit::LockAndLoadCertificates(ui.autologin_checkbox->isChecked());
	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") );
				break;
		case 2:	QMessageBox::warning(	this,
										tr("Multiple instances"),
										tr("An unexpected error occurred when Retroshare"
											"tried to acquire the single instance lock") );
				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();
    }
    else
    return;                    

}

void StartDialog::on_labelInfo_linkActivated(QString link)
{
    InfoDialog infodialog (this);
    infodialog.exec ();
}

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

LogoBar & StartDialog::getLogoBar() const {
	return *_rsLogoBar;
}

void StartDialog::notSecureWarning() {

	/* some error msg */
		if(ui.autologin_checkbox->isChecked()){
            QMessageBox::warning ( this,
                            tr("Insecure"),
                            tr("Auto Login is not so much secure:\n    - Your SSL certificate will be stored unprotected. \n    - Your PGP key will however not be stored.\nThis choice be reverted in settings."),
			QMessageBox::Ok);
		}

		return;
}