/**************************************************************************
**
** This file is part of Qt Creator
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** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
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**
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** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
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** GNU Lesser General Public License Usage
**
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** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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#include "s60emulatorrunconfiguration.h"

#include "qt4project.h"
#include "qtversionmanager.h"
#include "profilereader.h"
#include "s60manager.h"
#include "s60devices.h"
#include "qt4buildconfiguration.h"

#include <coreplugin/icore.h>
#include <coreplugin/messagemanager.h>
#include <utils/qtcassert.h>
#include <utils/detailswidget.h>
#include <projectexplorer/projectexplorerconstants.h>
#include <projectexplorer/project.h>
#include <projectexplorer/persistentsettings.h>

#include <QtGui/QLabel>
#include <QtGui/QLineEdit>

using namespace ProjectExplorer;
using namespace Qt4ProjectManager;
using namespace Qt4ProjectManager::Internal;

// ======== S60EmulatorRunConfiguration
S60EmulatorRunConfiguration::S60EmulatorRunConfiguration(Project *project, const QString &proFilePath)
    : RunConfiguration(project),
    m_proFilePath(proFilePath),
    m_cachedTargetInformationValid(false)
{
    if (!m_proFilePath.isEmpty())
        setDisplayName(tr("%1 in Symbian Emulator").arg(QFileInfo(m_proFilePath).completeBaseName()));
    else
        setDisplayName(tr("QtSymbianEmulatorRunConfiguration"));

    connect(project, SIGNAL(targetInformationChanged()),
            this, SLOT(invalidateCachedTargetInformation()));

    connect(project, SIGNAL(proFileUpdated(Qt4ProjectManager::Internal::Qt4ProFileNode*)),
            this, SLOT(proFileUpdate(Qt4ProjectManager::Internal::Qt4ProFileNode*)));
}

S60EmulatorRunConfiguration::~S60EmulatorRunConfiguration()
{
}

void S60EmulatorRunConfiguration::proFileUpdate(Qt4ProjectManager::Internal::Qt4ProFileNode *pro)
{
    if (m_proFilePath == pro->path())
        invalidateCachedTargetInformation();
}


Qt4Project *S60EmulatorRunConfiguration::qt4Project() const
{
    return static_cast<Qt4Project *>(project());
}

QString S60EmulatorRunConfiguration::id() const
{
    return "Qt4ProjectManager.EmulatorRunConfiguration";
}

bool S60EmulatorRunConfiguration::isEnabled(ProjectExplorer::BuildConfiguration *configuration) const
{
    Qt4BuildConfiguration *qt4bc = qobject_cast<Qt4BuildConfiguration *>(configuration);
    QTC_ASSERT(qt4bc, return false);
    ToolChain::ToolChainType type = qt4bc->toolChainType();
    return type == ToolChain::WINSCW;
}

QWidget *S60EmulatorRunConfiguration::configurationWidget()
{
    return new S60EmulatorRunConfigurationWidget(this);
}

void S60EmulatorRunConfiguration::save(PersistentSettingsWriter &writer) const
{
    const QDir projectDir = QFileInfo(project()->file()->fileName()).absoluteDir();
    writer.saveValue("ProFile", projectDir.relativeFilePath(m_proFilePath));
    RunConfiguration::save(writer);
}

void S60EmulatorRunConfiguration::restore(const PersistentSettingsReader &reader)
{
    RunConfiguration::restore(reader);
    const QDir projectDir = QFileInfo(project()->file()->fileName()).absoluteDir();
    m_proFilePath = projectDir.filePath(reader.restoreValue("ProFile").toString());
}

QString S60EmulatorRunConfiguration::executable() const
{
    const_cast<S60EmulatorRunConfiguration *>(this)->updateTarget();
    return m_executable;
}

void S60EmulatorRunConfiguration::updateTarget()
{
    if (m_cachedTargetInformationValid)
        return;
    Qt4TargetInformation info = qt4Project()->targetInformation(qt4Project()->activeQt4BuildConfiguration(),
                                                                m_proFilePath);
    if (info.error != Qt4TargetInformation::NoError) {
        if (info.error == Qt4TargetInformation::ProParserError) {
            Core::ICore::instance()->messageManager()->printToOutputPane(
                    tr("Could not parse %1. The Qt for Symbian emulator run configuration %2 can not be started.")
                    .arg(m_proFilePath).arg(displayName()));
        }
        m_executable = QString::null;
        m_cachedTargetInformationValid = true;
        emit targetInformationChanged();
        return;
    }

    Qt4BuildConfiguration *qt4bc = qt4Project()->activeQt4BuildConfiguration();
    QtVersion *qtVersion = qt4bc->qtVersion();
    QString baseDir = S60Manager::instance()->deviceForQtVersion(qtVersion).epocRoot;
    QString qmakeBuildConfig = "urel";
    if (qt4bc->qmakeBuildConfiguration() & QtVersion::DebugBuild)
        qmakeBuildConfig = "udeb";
    baseDir += "/epoc32/release/winscw/" + qmakeBuildConfig;

    m_executable = QDir::toNativeSeparators(
            QDir::cleanPath(baseDir + QLatin1Char('/') + info.target));
    m_executable += QLatin1String(".exe");

    m_cachedTargetInformationValid = true;
    emit targetInformationChanged();
}

void S60EmulatorRunConfiguration::invalidateCachedTargetInformation()
{
    m_cachedTargetInformationValid = false;
    emit targetInformationChanged();
}

// ======== S60EmulatorRunConfigurationWidget

S60EmulatorRunConfigurationWidget::S60EmulatorRunConfigurationWidget(S60EmulatorRunConfiguration *runConfiguration,
                                                                     QWidget *parent)
    : QWidget(parent),
    m_runConfiguration(runConfiguration),
    m_detailsWidget(new Utils::DetailsWidget),
    m_nameLineEdit(new QLineEdit(m_runConfiguration->displayName())),
    m_executableLabel(new QLabel(m_runConfiguration->executable()))
{
    QVBoxLayout *mainBoxLayout = new QVBoxLayout();
    mainBoxLayout->setMargin(0);
    setLayout(mainBoxLayout);
    mainBoxLayout->addWidget(m_detailsWidget);
    QWidget *detailsContainer = new QWidget;
    m_detailsWidget->setWidget(detailsContainer);

    QFormLayout *detailsFormLayout = new QFormLayout();
    detailsFormLayout->setMargin(0);
    detailsContainer->setLayout(detailsFormLayout);

    QLabel *nameLabel = new QLabel(tr("Name:"));

    nameLabel->setBuddy(m_nameLineEdit);
    detailsFormLayout->addRow(nameLabel, m_nameLineEdit);

    detailsFormLayout->addRow(tr("Executable:"), m_executableLabel);

    connect(m_nameLineEdit, SIGNAL(textEdited(QString)),
        this, SLOT(displayNameEdited(QString)));
    connect(m_runConfiguration, SIGNAL(targetInformationChanged()),
            this, SLOT(updateTargetInformation()));
    updateSummary();
}

void S60EmulatorRunConfigurationWidget::displayNameEdited(const QString &text)
{
    m_runConfiguration->setDisplayName(text);
}

void S60EmulatorRunConfigurationWidget::updateTargetInformation()
{
    m_executableLabel->setText(m_runConfiguration->executable());
}

void S60EmulatorRunConfigurationWidget::updateSummary()
{
    m_detailsWidget->setSummaryText(tr("Summary: Run %1 in emulator").arg(m_runConfiguration->executable()));
}

// ======== S60EmulatorRunConfigurationFactory

S60EmulatorRunConfigurationFactory::S60EmulatorRunConfigurationFactory(QObject *parent)
    : IRunConfigurationFactory(parent)
{
}

S60EmulatorRunConfigurationFactory::~S60EmulatorRunConfigurationFactory()
{
}

bool S60EmulatorRunConfigurationFactory::canRestore(const QString &id) const
{
    return id == "Qt4ProjectManager.EmulatorRunConfiguration";
}

QStringList S60EmulatorRunConfigurationFactory::availableCreationIds(Project *pro) const
{
    Qt4Project *qt4project = qobject_cast<Qt4Project *>(pro);
    if (qt4project) {
        QStringList applicationProFiles;
        QList<Qt4ProFileNode *> list = qt4project->applicationProFiles();
        foreach (Qt4ProFileNode * node, list) {
            applicationProFiles.append("QtSymbianEmulatorRunConfiguration." + node->path());
        }
        return applicationProFiles;
    } else {
        return QStringList();
    }
}

QString S60EmulatorRunConfigurationFactory::displayNameForId(const QString &id) const
{
    QString fileName = id.mid(QString("QtSymbianEmulatorRunConfiguration.").size());
    return tr("%1 in Symbian Emulator").arg(QFileInfo(fileName).completeBaseName());
}

RunConfiguration *S60EmulatorRunConfigurationFactory::create(Project *project, const QString &id)
{
    Qt4Project *p = qobject_cast<Qt4Project *>(project);
    Q_ASSERT(p);
    if (id.startsWith("QtSymbianEmulatorRunConfiguration.")) {
        QString fileName = id.mid(QString("QtSymbianEmulatorRunConfiguration.").size());
        return new S60EmulatorRunConfiguration(p, fileName);
    }
    Q_ASSERT(id == "Qt4ProjectManager.EmulatorRunConfiguration");
    // The right path is set in restoreSettings
    RunConfiguration *rc = new S60EmulatorRunConfiguration(p, QString::null);
    return rc;
}

// ======== S60EmulatorRunControl

S60EmulatorRunControl::S60EmulatorRunControl(S60EmulatorRunConfiguration *runConfiguration)
    : RunControl(runConfiguration)
{
    // stuff like the EPOCROOT and EPOCDEVICE env variable
    Environment env = Environment::systemEnvironment();
    runConfiguration->qt4Project()->activeQt4BuildConfiguration()->toolChain()->addToEnvironment(env);
    m_applicationLauncher.setEnvironment(env.toStringList());

    m_executable = runConfiguration->executable();
    connect(&m_applicationLauncher, SIGNAL(applicationError(QString)),
            this, SLOT(slotError(QString)));
    connect(&m_applicationLauncher, SIGNAL(appendOutput(QString)),
            this, SLOT(slotAddToOutputWindow(QString)));
    connect(&m_applicationLauncher, SIGNAL(processExited(int)),
            this, SLOT(processExited(int)));
    connect(&m_applicationLauncher, SIGNAL(bringToForegroundRequested(qint64)),
            this, SLOT(bringApplicationToForeground(qint64)));
}

void S60EmulatorRunControl::start()
{
    m_applicationLauncher.start(ApplicationLauncher::Gui, m_executable, QStringList());
    emit started();

    emit addToOutputWindow(this, tr("Starting %1...").arg(QDir::toNativeSeparators(m_executable)));
}

void S60EmulatorRunControl::stop()
{
    m_applicationLauncher.stop();
}

bool S60EmulatorRunControl::isRunning() const
{
    return m_applicationLauncher.isRunning();
}

void S60EmulatorRunControl::slotError(const QString & err)
{
    emit error(this, err);
    emit finished();
}

void S60EmulatorRunControl::slotAddToOutputWindow(const QString &line)
{
    static QString prefix = tr("[Qt Message]");
    static int prefixLength = prefix.length();
    int index = line.indexOf(prefix);
    if (index != -1) {
        emit addToOutputWindowInline(this, line.mid(index + prefixLength + 1));
    }
}

void S60EmulatorRunControl::processExited(int exitCode)
{
    emit addToOutputWindow(this, tr("%1 exited with code %2").arg(QDir::toNativeSeparators(m_executable)).arg(exitCode));
    emit finished();
}