/*
 * This file is part of OpenModelica.
 *
 * Copyright (c) 1998-CurrentYear, Open Source Modelica Consortium (OSMC),
 * c/o Linköpings universitet, Department of Computer and Information Science,
 * SE-58183 Linköping, Sweden.
 *
 * All rights reserved.
 *
 * THIS PROGRAM IS PROVIDED UNDER THE TERMS OF GPL VERSION 3 LICENSE OR
 * THIS OSMC PUBLIC LICENSE (OSMC-PL) VERSION 1.2.
 * ANY USE, REPRODUCTION OR DISTRIBUTION OF THIS PROGRAM CONSTITUTES RECIPIENT'S ACCEPTANCE
 * OF THE OSMC PUBLIC LICENSE OR THE GPL VERSION 3, ACCORDING TO RECIPIENTS CHOICE.
 *
 * The OpenModelica software and the Open Source Modelica
 * Consortium (OSMC) Public License (OSMC-PL) are obtained
 * from OSMC, either from the above address,
 * from the URLs: http://www.ida.liu.se/projects/OpenModelica or
 * http://www.openmodelica.org, and in the OpenModelica distribution.
 * GNU version 3 is obtained from: http://www.gnu.org/copyleft/gpl.html.
 *
 * This program is distributed WITHOUT ANY WARRANTY; without
 * even the implied warranty of  MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE, EXCEPT AS EXPRESSLY SET FORTH
 * IN THE BY RECIPIENT SELECTED SUBSIDIARY LICENSE CONDITIONS OF OSMC-PL.
 *
 * See the full OSMC Public License conditions for more details.
 *
 */
/*
 *
 * @author Adeel Asghar <adeel.asghar@liu.se>
 *
 * RCS: $Id: CrashReportDialog.cpp 24682 2015-02-21 14:20:21Z adeas31 $
 *
 */

#include "CrashReportDialog.h"
#include "Helper.h"

/*!
  \class CrashReportDialog
  \brief Interface for sending crash reports.
  */
CrashReportDialog::CrashReportDialog()
  : QDialog(0, Qt::WindowTitleHint)
{
  setWindowTitle(QString(Helper::applicationName).append(" - ").append(Helper::crashReport));
  setAttribute(Qt::WA_DeleteOnClose);
  // set heading
  mpCrashReportHeading = new Label(Helper::crashReport);
  mpCrashReportHeading->setFont(QFont(Helper::systemFontInfo.family(), Helper::headingFontSize));
  // set seperator line
  mpHorizontalLine = new QFrame();
  mpHorizontalLine->setFrameShape(QFrame::HLine);
  mpHorizontalLine->setFrameShadow(QFrame::Sunken);
  // Email label and textbox
  mpEmailLabel = new Label(tr("Your Email (in case you want us to contact you regarding this error):"));
  mpEmailTextBox = new QLineEdit;
  // bug description label and textbox
  mpBugDescriptionLabel = new Label(tr("Describe in a few words what you were doing when the error occurred:"));
  mpBugDescriptionTextBox = new QPlainTextEdit;
  // files label and checkboxes
  mpFilesDescriptionLabel = new Label(tr("Following selected files will be sent alongwith the crash report,"));
  QString& tmpPath = OpenModelica::tempDirectory();
  // omeditcommunication.log file checkbox
  QFileInfo OMEditCommunicationLogFileInfo(QString("%1omeditcommunication.log").arg(tmpPath));
  mpOMEditCommunicationLogFileCheckBox = new QCheckBox(OMEditCommunicationLogFileInfo.absoluteFilePath());
  if (OMEditCommunicationLogFileInfo.exists()) {
    mpOMEditCommunicationLogFileCheckBox->setChecked(true);
  } else {
    mpOMEditCommunicationLogFileCheckBox->setChecked(false);
  }
  // omeditcommands.mos file checkbox
  QFileInfo OMEditCommandsMosFileInfo(QString("%1omeditcommands.mos").arg(tmpPath));
  mpOMEditCommandsMosFileCheckBox = new QCheckBox(OMEditCommandsMosFileInfo.absoluteFilePath());
  if (OMEditCommandsMosFileInfo.exists()) {
    mpOMEditCommandsMosFileCheckBox->setChecked(true);
  } else {
    mpOMEditCommandsMosFileCheckBox->setChecked(false);
  }
  // openmodelica.stacktrace.OMEdit file checkbox
  QFileInfo OMStackTraceFileInfo(QString("%1openmodelica.stacktrace.%2").arg(tmpPath).arg(Helper::OMCServerName));
  mpOMStackTraceFileCheckBox = new QCheckBox(OMStackTraceFileInfo.absoluteFilePath());
  if (OMStackTraceFileInfo.exists()) {
    mpOMStackTraceFileCheckBox->setChecked(true);
  } else {
    mpOMStackTraceFileCheckBox->setChecked(false);
  }
  // create send report button
  mpSendReportButton = new QPushButton(tr("Send Report"));
  mpSendReportButton->setAutoDefault(true);
  connect(mpSendReportButton, SIGNAL(clicked()), SLOT(sendReport()));
  mpCancelButton = new QPushButton(Helper::cancel);
  connect(mpCancelButton, SIGNAL(clicked()), SLOT(reject()));
  // create buttons box
  mpButtonBox = new QDialogButtonBox(Qt::Horizontal);
  mpButtonBox->addButton(mpSendReportButton, QDialogButtonBox::ActionRole);
  mpButtonBox->addButton(mpCancelButton, QDialogButtonBox::ActionRole);
  // set grid layout
  QGridLayout *pMainLayout = new QGridLayout;
  pMainLayout->setAlignment(Qt::AlignTop | Qt::AlignLeft);
  pMainLayout->addWidget(mpCrashReportHeading, 0, 0);
  pMainLayout->addWidget(mpHorizontalLine, 1, 0);
  pMainLayout->addWidget(mpEmailLabel, 2, 0);
  pMainLayout->addWidget(mpEmailTextBox, 3, 0);
  pMainLayout->addWidget(mpBugDescriptionLabel, 4, 0);
  pMainLayout->addWidget(mpBugDescriptionTextBox, 5, 0);
  int index = 6;
  if (OMEditCommunicationLogFileInfo.exists() || OMEditCommandsMosFileInfo.exists() || OMStackTraceFileInfo.exists()) {
    pMainLayout->addWidget(mpFilesDescriptionLabel, index, 0);
    index++;
  }
  if (OMEditCommunicationLogFileInfo.exists()) {
    pMainLayout->addWidget(mpOMEditCommunicationLogFileCheckBox, index, 0);
    index++;
  }
  if (OMEditCommandsMosFileInfo.exists()) {
    pMainLayout->addWidget(mpOMEditCommandsMosFileCheckBox, index, 0);
    index++;
  }
  if (OMStackTraceFileInfo.exists()) {
    pMainLayout->addWidget(mpOMStackTraceFileCheckBox, index, 0);
    index++;
  }
  pMainLayout->addWidget(mpButtonBox, index, 0, 1, 1, Qt::AlignRight);
  setLayout(pMainLayout);
}

/*!
  Slot activated when mpSendReportButton clicked signal is raised.\n
  Sends the crash report alongwith selected log files.
  */
void CrashReportDialog::sendReport()
{
  QHttpMultiPart *pHttpMultiPart = new QHttpMultiPart(QHttpMultiPart::FormDataType);
  // email
  QHttpPart emailHttpPart;
  emailHttpPart.setHeader(QNetworkRequest::ContentDispositionHeader, QVariant("form-data; name=\"email\""));
  emailHttpPart.setBody(mpEmailTextBox->text().toUtf8());
  pHttpMultiPart->append(emailHttpPart);
  // bug description
  QHttpPart bugDescriptionHttpPart;
  bugDescriptionHttpPart.setHeader(QNetworkRequest::ContentDispositionHeader, QVariant("form-data; name=\"bugdescription\""));
  bugDescriptionHttpPart.setBody(mpBugDescriptionTextBox->toPlainText().toUtf8());
  pHttpMultiPart->append(bugDescriptionHttpPart);
  // OMEditCommunicationLogFile
  if (mpOMEditCommunicationLogFileCheckBox->isChecked()) {
    QHttpPart OMEditCommunicationLogFileHttpPart;
    OMEditCommunicationLogFileHttpPart.setHeader(QNetworkRequest::ContentTypeHeader, QVariant("text/plain"));
    OMEditCommunicationLogFileHttpPart.setHeader(QNetworkRequest::ContentDispositionHeader, QVariant("form-data; name=\"omeditcommunication.log\"; filename=\"omeditcommunication.log\""));
    QFile *pOMEditCommunicationLogFileFile = new QFile(mpOMEditCommunicationLogFileCheckBox->text());
    pOMEditCommunicationLogFileFile->open(QIODevice::ReadOnly);
    OMEditCommunicationLogFileHttpPart.setBodyDevice(pOMEditCommunicationLogFileFile);
    pOMEditCommunicationLogFileFile->setParent(pHttpMultiPart); // file will be deleted when we delete pHttpMultiPart
    pHttpMultiPart->append(OMEditCommunicationLogFileHttpPart);
  }
  // OMEditCommandsMosFile
  if (mpOMEditCommandsMosFileCheckBox->isChecked()) {
    QHttpPart OMEditCommandsMosFileHttpPart;
    OMEditCommandsMosFileHttpPart.setHeader(QNetworkRequest::ContentTypeHeader, QVariant("text/plain"));
    OMEditCommandsMosFileHttpPart.setHeader(QNetworkRequest::ContentDispositionHeader, QVariant("form-data; name=\"omeditcommands.mos\"; filename=\"omeditcommands.mos\""));
    QFile *pOMEditCommandsMosFile = new QFile(mpOMEditCommandsMosFileCheckBox->text());
    pOMEditCommandsMosFile->open(QIODevice::ReadOnly);
    OMEditCommandsMosFileHttpPart.setBodyDevice(pOMEditCommandsMosFile);
    pOMEditCommandsMosFile->setParent(pHttpMultiPart); // file will be deleted when we delete pHttpMultiPart
    pHttpMultiPart->append(OMEditCommandsMosFileHttpPart);
  }
  // OMStackTraceFile
  if (mpOMStackTraceFileCheckBox->isChecked()) {
    QHttpPart OMStackTraceFileCheckBoxHttpPart;
    OMStackTraceFileCheckBoxHttpPart.setHeader(QNetworkRequest::ContentTypeHeader, QVariant("text/plain"));
    OMStackTraceFileCheckBoxHttpPart.setHeader(QNetworkRequest::ContentDispositionHeader, QVariant("form-data; name=\"openmodelica.stacktrace.OMEdit\"; filename=\"openmodelica.stacktrace.OMEdit\""));
    QFile *pOMStackTraceFile = new QFile(mpOMStackTraceFileCheckBox->text());
    pOMStackTraceFile->open(QIODevice::ReadOnly);
    OMStackTraceFileCheckBoxHttpPart.setBodyDevice(pOMStackTraceFile);
    pOMStackTraceFile->setParent(pHttpMultiPart); // file will be deleted when we delete pHttpMultiPart
    pHttpMultiPart->append(OMStackTraceFileCheckBoxHttpPart);
  }
  // create the request
  QUrl url("https://dev.openmodelica.org/omeditcrashreports/cgi-bin/server.py");
  QNetworkRequest networkRequest(url);
  QNetworkAccessManager *pNetworkAccessManager = new QNetworkAccessManager;
  QNetworkReply *pNetworkReply = pNetworkAccessManager->post(networkRequest, pHttpMultiPart);
  pNetworkReply->ignoreSslErrors();
  pHttpMultiPart->setParent(pNetworkReply); // delete the pHttpMultiPart with the pNetworkReply
  connect(pNetworkAccessManager, SIGNAL(finished(QNetworkReply*)), SLOT(reportSent(QNetworkReply*)));
}

/*!
  Slot activated when QNetworkAccessManager finished signal is raised.\n
  Shows an error message if crash report was not send correctly.\n
  Deletes QNetworkReply object which deletes the QHttpMultiPart and QFile objects attached with it.
  */
void CrashReportDialog::reportSent(QNetworkReply *pNetworkReply)
{
  if (pNetworkReply->error() != QNetworkReply::NoError) {
    QMessageBox::critical(0, QString(Helper::applicationName).append(" - ").append(Helper::error),
                          QString("Following error has occurred while sending crash report \n\n%1").arg(pNetworkReply->errorString()),
                          Helper::ok);
  }
  pNetworkReply->deleteLater();
  accept();
}
