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#include "maemorunconfigurationwidget.h"

#include "maemodeviceconfiglistmodel.h"
#include "maemodeviceenvreader.h"
#include "maemomanager.h"
#include "maemoremotemountsmodel.h"
#include "maemorunconfiguration.h"
#include "maemosettingspage.h"

#include <coreplugin/icore.h>
#include <projectexplorer/environmenteditmodel.h>
#include <utils/detailswidget.h>

#include <QtGui/QComboBox>
#include <QtGui/QFileDialog>
#include <QtGui/QFormLayout>
#include <QtGui/QGroupBox>
#include <QtGui/QHBoxLayout>
#include <QtGui/QHeaderView>
#include <QtGui/QLabel>
#include <QtGui/QLineEdit>
#include <QtGui/QPushButton>
#include <QtGui/QRadioButton>
#include <QtGui/QSpinBox>
#include <QtGui/QTableView>
#include <QtGui/QToolButton>

namespace Qt4ProjectManager {
namespace Internal {

MaemoRunConfigurationWidget::MaemoRunConfigurationWidget(
        MaemoRunConfiguration *runConfiguration, QWidget *parent)
    : QWidget(parent),
    m_runConfiguration(runConfiguration),
    m_ignoreChange(false),
    m_deviceEnvReader(new MaemoDeviceEnvReader(this, runConfiguration))
{
    QVBoxLayout *mainLayout = new QVBoxLayout;
    setLayout(mainLayout);
    addGenericWidgets(mainLayout);
    mainLayout->addSpacing(20);
    addDebuggingWidgets(mainLayout);
    addMountWidgets(mainLayout);
    addEnvironmentWidgets(mainLayout);
}

void MaemoRunConfigurationWidget::addGenericWidgets(QVBoxLayout *mainLayout)
{
    QFormLayout *formLayout = new QFormLayout;
    mainLayout->addLayout(formLayout);
    formLayout->setFormAlignment(Qt::AlignLeft | Qt::AlignVCenter);
    m_configNameLineEdit = new QLineEdit(m_runConfiguration->displayName());
    formLayout->addRow(tr("Run configuration name:"), m_configNameLineEdit);

    QWidget *devConfWidget = new QWidget;
    QHBoxLayout *devConfLayout = new QHBoxLayout(devConfWidget);
    m_devConfBox = new QComboBox;
    m_devConfBox->setSizeAdjustPolicy(QComboBox::AdjustToContents);
    m_devConfBox->setModel(m_runConfiguration->deviceConfigModel());
    devConfLayout->setMargin(0);
    devConfLayout->addWidget(m_devConfBox);
    QLabel *addDevConfLabel= new QLabel(tr("<a href=\"%1\">Manage device configurations</a>")
        .arg(QLatin1String("deviceconfig")));
    addDevConfLabel->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Preferred);
    devConfLayout->addWidget(addDevConfLabel);

    QLabel *debuggerConfLabel = new QLabel(tr("<a href=\"%1\">Set Debugger</a>")
        .arg(QLatin1String("debugger")));
    debuggerConfLabel->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Preferred);
    devConfLayout->addWidget(debuggerConfLabel);

    formLayout->addRow(new QLabel(tr("Device configuration:")), devConfWidget);
    m_executableLabel = new QLabel(m_runConfiguration->localExecutableFilePath());
    formLayout->addRow(tr("Executable:"), m_executableLabel);
    m_argsLineEdit = new QLineEdit(m_runConfiguration->arguments().join(" "));
    formLayout->addRow(tr("Arguments:"), m_argsLineEdit);

    connect(addDevConfLabel, SIGNAL(linkActivated(QString)), this,
        SLOT(showSettingsDialog(QString)));
    connect(debuggerConfLabel, SIGNAL(linkActivated(QString)), this,
        SLOT(showSettingsDialog(QString)));
    connect(m_configNameLineEdit, SIGNAL(textEdited(QString)), this,
        SLOT(configNameEdited(QString)));
    connect(m_argsLineEdit, SIGNAL(textEdited(QString)), this,
        SLOT(argumentsEdited(QString)));
    connect(m_devConfBox, SIGNAL(activated(int)), this,
            SLOT(setCurrentDeviceConfig(int)));
    connect(m_runConfiguration->deviceConfigModel(), SIGNAL(currentChanged()),
        this, SLOT(handleCurrentDeviceConfigChanged()));
    connect(m_runConfiguration, SIGNAL(targetInformationChanged()), this,
        SLOT(updateTargetInformation()));
    handleCurrentDeviceConfigChanged();
}

void MaemoRunConfigurationWidget::addDebuggingWidgets(QVBoxLayout *mainLayout)
{
    m_debugDetailsContainer = new Utils::DetailsWidget(this);
    QWidget *debugWidget = new QWidget;
    m_debugDetailsContainer->setWidget(debugWidget);
#ifndef Q_OS_WIN
    mainLayout->addWidget(m_debugDetailsContainer);
#endif
    QFormLayout *debugLayout = new QFormLayout(debugWidget);
    QHBoxLayout *debugRadioButtonsLayout = new QHBoxLayout;
    debugLayout->addRow(debugRadioButtonsLayout);
    QRadioButton *gdbButton = new QRadioButton(tr("Use remote gdb"));
    QRadioButton *gdbServerButton = new QRadioButton(tr("Use remote gdbserver"));
    debugRadioButtonsLayout->addWidget(gdbButton);
    debugRadioButtonsLayout->addWidget(gdbServerButton);
    debugRadioButtonsLayout->addStretch(1);
    QHBoxLayout *debugHostAddressLayout = new QHBoxLayout;
    m_hostAddressLineEdit2 = new QLineEdit;
    debugHostAddressLayout->addWidget(m_hostAddressLineEdit2);
    debugHostAddressLayout->addStretch(1);
    debugLayout->addRow(tr("This host's address from the device:"),
        debugHostAddressLayout);
    m_hostAddressLineEdit2->setText(m_runConfiguration->localHostAddressFromDevice());
    gdbButton->setChecked(m_runConfiguration->useRemoteGdb());
    gdbServerButton->setChecked(!gdbButton->isChecked());
    connect(m_hostAddressLineEdit2, SIGNAL(textEdited(QString)), this,
        SLOT(handleHostAddressChanged(QString)));
    connect(gdbButton, SIGNAL(toggled(bool)), this,
        SLOT(handleDebuggingTypeChanged(bool)));
    QHBoxLayout *spinBoxLayout = new QHBoxLayout;
    m_gdbMountPortSpinBox = new QSpinBox;
    m_gdbMountPortSpinBox->setMinimum(1024);
    m_gdbMountPortSpinBox->setMaximum((1 << 16) - 1);
    spinBoxLayout->addWidget(m_gdbMountPortSpinBox);
    spinBoxLayout->addStretch(1);
    debugLayout->addRow(tr("Local port for mounting the project directory:"),
        spinBoxLayout);
    m_gdbMountPortSpinBox->setValue(m_runConfiguration->gdbMountPort());
    connect(m_gdbMountPortSpinBox, SIGNAL(valueChanged(int)), this,
        SLOT(handleGdbMountPortChanged(int)));
    handleDebuggingTypeChanged(gdbButton->isChecked());
}

void MaemoRunConfigurationWidget::addMountWidgets(QVBoxLayout *mainLayout)
{

    m_mountDetailsContainer = new Utils::DetailsWidget(this);
    QWidget *mountViewWidget = new QWidget;
    m_mountDetailsContainer->setWidget(mountViewWidget);
#ifndef Q_OS_WIN
    mainLayout->addWidget(m_mountDetailsContainer);
#endif
    QVBoxLayout *mountViewLayout = new QVBoxLayout(mountViewWidget);
    QHBoxLayout *hostAddressLayout = new QHBoxLayout;
    mountViewLayout->addLayout(hostAddressLayout);
    QLabel *hostNameLabel
        = new QLabel(tr("This host's address from the device:"));
    m_hostAddressLineEdit1 = new QLineEdit;
    m_hostAddressLineEdit1->setText(m_runConfiguration->localHostAddressFromDevice());
    connect(m_hostAddressLineEdit1, SIGNAL(textEdited(QString)), this,
        SLOT(handleHostAddressChanged(QString)));
    hostAddressLayout->addWidget(hostNameLabel);
    hostAddressLayout->addWidget(m_hostAddressLineEdit1);
    hostAddressLayout->addStretch(1);
    QHBoxLayout *tableLayout = new QHBoxLayout;
    mountViewLayout->addLayout(tableLayout);
    m_mountView = new QTableView;
    m_mountView->horizontalHeader()->setResizeMode(QHeaderView::ResizeToContents);
    m_mountView->setSelectionBehavior(QTableView::SelectRows);
    m_mountView->setModel(m_runConfiguration->remoteMounts());
    tableLayout->addWidget(m_mountView);
    QVBoxLayout *mountViewButtonsLayout = new QVBoxLayout;
    tableLayout->addLayout(mountViewButtonsLayout);
    QToolButton *addMountButton = new QToolButton;
    QIcon plusIcon;
    plusIcon.addFile(QLatin1String(":/core/images/plus.png"));
    addMountButton->setIcon(plusIcon);
    mountViewButtonsLayout->addWidget(addMountButton);
    m_removeMountButton = new QToolButton;
    QIcon minusIcon;
    minusIcon.addFile(QLatin1String(":/core/images/minus.png"));
    m_removeMountButton->setIcon(minusIcon);
    mountViewButtonsLayout->addWidget(m_removeMountButton);
    mountViewButtonsLayout->addStretch(1);

    connect(addMountButton, SIGNAL(clicked()), this, SLOT(addMount()));
    connect(m_removeMountButton, SIGNAL(clicked()), this, SLOT(removeMount()));
    connect(m_mountView, SIGNAL(doubleClicked(QModelIndex)), this,
        SLOT(changeLocalMountDir(QModelIndex)));
    connect(m_mountView->selectionModel(),
        SIGNAL(selectionChanged(QItemSelection,QItemSelection)), this,
        SLOT(enableOrDisableRemoveMountSpecButton()));
    connect(m_runConfiguration->remoteMounts(),
        SIGNAL(rowsInserted(QModelIndex, int, int)), this,
        SLOT(handleRemoteMountsChanged()));
    connect(m_runConfiguration->remoteMounts(),
        SIGNAL(rowsRemoved(QModelIndex, int, int)), this,
        SLOT(handleRemoteMountsChanged()));
    connect(m_runConfiguration->remoteMounts(),
        SIGNAL(dataChanged(QModelIndex, QModelIndex)), this,
        SLOT(handleRemoteMountsChanged()));
    connect(m_runConfiguration->remoteMounts(), SIGNAL(modelReset()), this,
        SLOT(handleRemoteMountsChanged()));
    enableOrDisableRemoveMountSpecButton();
    handleRemoteMountsChanged();
}

void MaemoRunConfigurationWidget::addEnvironmentWidgets(QVBoxLayout *mainLayout)
{
    QWidget *baseEnvironmentWidget = new QWidget;
    QHBoxLayout *baseEnvironmentLayout = new QHBoxLayout(baseEnvironmentWidget);
    baseEnvironmentLayout->setMargin(0);
    QLabel *label = new QLabel(tr("Base environment for this run configuration:"), this);
    baseEnvironmentLayout->addWidget(label);
    m_baseEnvironmentComboBox = new QComboBox(this);
    m_baseEnvironmentComboBox->addItems(QStringList() << tr("Clean Environment")
        << tr("System Environment"));
    m_baseEnvironmentComboBox->setCurrentIndex(m_runConfiguration->baseEnvironmentBase());
    baseEnvironmentLayout->addWidget(m_baseEnvironmentComboBox);

    m_fetchEnv = new QPushButton(tr("Fetch Device Environment"));
    baseEnvironmentLayout->addWidget(m_fetchEnv);
    baseEnvironmentLayout->addStretch(10);

    m_environmentWidget = new ProjectExplorer::EnvironmentWidget(this, baseEnvironmentWidget);
    m_environmentWidget->setBaseEnvironment(m_deviceEnvReader->deviceEnvironment());
    m_environmentWidget->setBaseEnvironmentText(m_runConfiguration->baseEnvironmentText());
    m_environmentWidget->setUserChanges(m_runConfiguration->userEnvironmentChanges());
    mainLayout->addWidget(m_environmentWidget);

    connect(m_environmentWidget, SIGNAL(userChangesChanged()), this,
        SLOT(userChangesEdited()));
    connect(m_baseEnvironmentComboBox, SIGNAL(currentIndexChanged(int)),
        this, SLOT(baseEnvironmentSelected(int)));
    connect(m_runConfiguration, SIGNAL(baseEnvironmentChanged()),
        this, SLOT(baseEnvironmentChanged()));
    connect(m_runConfiguration, SIGNAL(systemEnvironmentChanged()),
        this, SLOT(systemEnvironmentChanged()));
    connect(m_runConfiguration,
        SIGNAL(userEnvironmentChangesChanged(QList<ProjectExplorer::EnvironmentItem>)),
        this, SLOT(userEnvironmentChangesChanged(QList<ProjectExplorer::EnvironmentItem>)));
    connect(m_fetchEnv, SIGNAL(pressed()), this, SLOT(fetchEnvironment()));
    connect(m_deviceEnvReader, SIGNAL(finished()), this, SLOT(fetchEnvironmentFinished()));
}

void MaemoRunConfigurationWidget::configNameEdited(const QString &text)
{
    m_runConfiguration->setDisplayName(text);
}

void MaemoRunConfigurationWidget::argumentsEdited(const QString &text)
{
    m_runConfiguration->setArguments(text.split(' ', QString::SkipEmptyParts));
}

void MaemoRunConfigurationWidget::updateTargetInformation()
{
    m_executableLabel->setText(m_runConfiguration->localExecutableFilePath());
}

void MaemoRunConfigurationWidget::showSettingsDialog(const QString &link)
{
    if (link == QLatin1String("deviceconfig")) {
        MaemoSettingsPage *page = MaemoManager::instance().settingsPage();
        Core::ICore::instance()->showOptionsDialog(page->category(), page->id());
    } else if (link == QLatin1String("debugger")) {
        Core::ICore::instance()->showOptionsDialog(QLatin1String("O.Debugger"),
            QLatin1String("M.Gdb"));
    }
}

void MaemoRunConfigurationWidget::handleCurrentDeviceConfigChanged()
{
    m_devConfBox->setCurrentIndex(m_runConfiguration->deviceConfigModel()
        ->currentIndex());
}

void MaemoRunConfigurationWidget::setCurrentDeviceConfig(int index)
{
    m_runConfiguration->deviceConfigModel()->setCurrentIndex(index);
}

void MaemoRunConfigurationWidget::enableOrDisableRemoveMountSpecButton()
{
    const QModelIndexList selectedRows
        = m_mountView->selectionModel()->selectedRows();
    m_removeMountButton->setEnabled(!selectedRows.isEmpty());
}

void MaemoRunConfigurationWidget::addMount()
{
    const QString localDir = QFileDialog::getExistingDirectory(this,
        tr("Choose directory to mount"));
    if (!localDir.isEmpty()) {
        MaemoRemoteMountsModel * const mountsModel
            = m_runConfiguration->remoteMounts();
        mountsModel->addMountSpecification(localDir);
        m_mountView->edit(mountsModel->index(mountsModel->mountSpecificationCount() - 1,
            mountsModel->RemoteMountPointRow));
    }
}

void MaemoRunConfigurationWidget::removeMount()
{
    const QModelIndexList selectedRows
        = m_mountView->selectionModel()->selectedRows();
    if (!selectedRows.isEmpty()) {
        m_runConfiguration->remoteMounts()
            ->removeMountSpecificationAt(selectedRows.first().row());
    }
}

void MaemoRunConfigurationWidget::changeLocalMountDir(const QModelIndex &index)
{
    if (index.column() == MaemoRemoteMountsModel::LocalDirRow) {
        MaemoRemoteMountsModel * const mountsModel
            = m_runConfiguration->remoteMounts();
        const QString oldDir
            = mountsModel->mountSpecificationAt(index.row()).localDir;
        const QString localDir = QFileDialog::getExistingDirectory(this,
            tr("Choose directory to mount"), oldDir);
        if (!localDir.isEmpty())
            mountsModel->setLocalDir(index.row(), localDir);
    }
}

void MaemoRunConfigurationWidget::handleHostAddressChanged(const QString &newAddress)
{
    m_hostAddressLineEdit1->setText(newAddress);
    m_hostAddressLineEdit2->setText(newAddress);
    m_runConfiguration->setLocalHostAddressFromDevice(newAddress);
}

void MaemoRunConfigurationWidget::handleDebuggingTypeChanged(bool useGdb)
{
    m_runConfiguration->setUseRemoteGdb(useGdb);
    const QString detailsText = useGdb ? tr("Use gdb") : tr("Use gdbserver");
    m_debugDetailsContainer->setSummaryText(tr("<b>Debugging details:</b> ")
        + detailsText);
    m_hostAddressLineEdit2->setEnabled(useGdb);
    m_gdbMountPortSpinBox->setEnabled(useGdb);
}

void MaemoRunConfigurationWidget::handleGdbMountPortChanged(int port)
{
    m_runConfiguration->setGdbMountPort(port);
}

void MaemoRunConfigurationWidget::fetchEnvironment()
{
    m_deviceEnvReader->start();
    m_fetchEnv->setEnabled(false);
}

void MaemoRunConfigurationWidget::fetchEnvironmentFinished()
{
    m_fetchEnv->setEnabled(true);
    m_runConfiguration->setSystemEnvironment(m_deviceEnvReader->deviceEnvironment());
}

void MaemoRunConfigurationWidget::userChangesEdited()
{
    m_ignoreChange = true;
    m_runConfiguration->setUserEnvironmentChanges(m_environmentWidget->userChanges());
    m_ignoreChange = false;
}

void MaemoRunConfigurationWidget::baseEnvironmentSelected(int index)
{
    m_ignoreChange = true;
    m_runConfiguration->setBaseEnvironmentBase(MaemoRunConfiguration::BaseEnvironmentBase(index));

    m_environmentWidget->setBaseEnvironment(m_runConfiguration->baseEnvironment());
    m_environmentWidget->setBaseEnvironmentText(m_runConfiguration->baseEnvironmentText());
    m_ignoreChange = false;
}

void MaemoRunConfigurationWidget::baseEnvironmentChanged()
{
    if (m_ignoreChange)
        return;

    m_baseEnvironmentComboBox->setCurrentIndex(m_runConfiguration->baseEnvironmentBase());
    m_environmentWidget->setBaseEnvironment(m_runConfiguration->baseEnvironment());
    m_environmentWidget->setBaseEnvironmentText(m_runConfiguration->baseEnvironmentText());
}

void MaemoRunConfigurationWidget::systemEnvironmentChanged()
{
    m_environmentWidget->setBaseEnvironment(m_runConfiguration->systemEnvironment());
}

void MaemoRunConfigurationWidget::userEnvironmentChangesChanged(const QList<ProjectExplorer::EnvironmentItem> &userChanges)
{
    if (m_ignoreChange)
        return;
    m_environmentWidget->setUserChanges(userChanges);
}

void MaemoRunConfigurationWidget::handleRemoteMountsChanged()
{
    const int mountCount
        = m_runConfiguration->remoteMounts()->validMountSpecificationCount();
    QString text;
    switch (mountCount) {
    case 0:
        text = tr("No local directories to be mounted from the device.");
        break;
    case 1:
        text = tr("One local directory to be mounted from the device.");
        break;
    default:
        text = tr("%1 local directories to be mounted from the device.")
            .arg(mountCount);
        break;
    }
    m_mountDetailsContainer->setSummaryText(QLatin1String("<b>") + text
        + QLatin1String("</b>"));
}

} // namespace Internal
} // namespace Qt4ProjectManager