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#include "maemopackagecreationwidget.h"
#include "ui_maemopackagecreationwidget.h"

#include "maemopackagecreationstep.h"
#include "maemotemplatesmanager.h"

#include <coreplugin/editormanager/editormanager.h>
#include <projectexplorer/project.h>
#include <projectexplorer/target.h>
#include <qt4projectmanager/qt4buildconfiguration.h>
#include <utils/qtcassert.h>

#include <QtCore/QTimer>
#include <QtGui/QFileDialog>
#include <QtGui/QImageReader>
#include <QtGui/QMessageBox>

namespace Qt4ProjectManager {
namespace Internal {

MaemoPackageCreationWidget::MaemoPackageCreationWidget(MaemoPackageCreationStep *step)
    : ProjectExplorer::BuildStepConfigWidget(),
      m_step(step),
      m_ui(new Ui::MaemoPackageCreationWidget)
{
    m_ui->setupUi(this);
    m_ui->skipCheckBox->setChecked(!m_step->isPackagingEnabled());
    setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
    QTimer::singleShot(0, this, SLOT(initGui()));
}

void MaemoPackageCreationWidget::init()
{
}

void MaemoPackageCreationWidget::initGui()
{
    const ProjectExplorer::Project * const project
        = m_step->buildConfiguration()->target()->project();
    updateDebianFileList(project);
    updateVersionInfo(project);
    updatePackageManagerIcon(project);
    connect(m_step, SIGNAL(packageFilePathChanged()), this,
        SIGNAL(updateSummary()));
    versionInfoChanged();
    connect(MaemoTemplatesManager::instance(),
        SIGNAL(debianDirContentsChanged(const ProjectExplorer::Project*)),
        this, SLOT(updateDebianFileList(const ProjectExplorer::Project*)));
    connect(MaemoTemplatesManager::instance(),
        SIGNAL(changeLogChanged(const ProjectExplorer::Project*)), this,
        SLOT(updateVersionInfo(const ProjectExplorer::Project*)));
    connect(MaemoTemplatesManager::instance(),
        SIGNAL(controlChanged(const ProjectExplorer::Project*)), this,
        SLOT(updatePackageManagerIcon(const ProjectExplorer::Project*)));
}

void MaemoPackageCreationWidget::updateDebianFileList(const ProjectExplorer::Project *project)
{
    const ProjectExplorer::Project * const ourProject
        = m_step->buildConfiguration()->target()->project();
    if (ourProject == project)
        m_ui->debianFilesComboBox->clear();
        const QStringList &debianFiles = MaemoTemplatesManager::instance()
            ->debianFiles(project);
        foreach (const QString &fileName, debianFiles) {
            if (fileName != QLatin1String("compat"))
                m_ui->debianFilesComboBox->addItem(fileName);
        }
}

void MaemoPackageCreationWidget::updateVersionInfo(const ProjectExplorer::Project *project)
{
    if (project != m_step->buildConfiguration()->target()->project())
        return;

    QString error;
    QString versionString = m_step->versionString(&error);
    if (versionString.isEmpty()) {
        QMessageBox::critical(this, tr("No version available."), error);
        versionString = MaemoPackageCreationStep::DefaultVersionNumber;
    }
    const QStringList list = versionString.split(QLatin1Char('.'),
        QString::SkipEmptyParts);
    m_ui->major->setValue(list.value(0, QLatin1String("0")).toInt());
    m_ui->minor->setValue(list.value(1, QLatin1String("0")).toInt());
    m_ui->patch->setValue(list.value(2, QLatin1String("0")).toInt());
}

void MaemoPackageCreationWidget::updatePackageManagerIcon(const ProjectExplorer::Project *project)
{
    if (project != m_step->buildConfiguration()->target()->project())
        return;

    QString error;
    const QIcon &icon
        = MaemoTemplatesManager::instance()->packageManagerIcon(project, &error);
    if (!error.isEmpty())
        QMessageBox::critical(this, tr("Could not read icon"), error);
    else
        m_ui->packageManagerIconButton->setIcon(icon);
}

void MaemoPackageCreationWidget::setPackageManagerIcon()
{
    QString imageFilter = tr("Images") + QLatin1String("( ");
    const QList<QByteArray> &imageTypes = QImageReader::supportedImageFormats();
    foreach (const QByteArray &imageType, imageTypes)
        imageFilter += "*." + QString::fromAscii(imageType) + QLatin1Char(' ');
    imageFilter += QLatin1Char(')');
    const QString iconFileName = QFileDialog::getOpenFileName(this,
        tr("Choose image"), QString(), imageFilter);
    if (!iconFileName.isEmpty()) {
        QString error;
        if (!MaemoTemplatesManager::instance()->setPackageManagerIcon(m_step->
            buildConfiguration()->target()->project(), iconFileName, &error))
            QMessageBox::critical(this, tr("Could not set new icon"), error);
    }
}

QString MaemoPackageCreationWidget::summaryText() const
{
    return tr("<b>Create Package:</b> ") + QDir::toNativeSeparators(m_step->packageFilePath());
}

QString MaemoPackageCreationWidget::displayName() const
{
    return m_step->displayName();
}

void MaemoPackageCreationWidget::handleSkipButtonToggled(bool checked)
{
    m_ui->major->setEnabled(!checked);
    m_ui->minor->setEnabled(!checked);
    m_ui->patch->setEnabled(!checked);
    m_ui->debianFilesComboBox->setEnabled(!checked);
    m_ui->editDebianFileButton->setEnabled(!checked);
    m_step->setPackagingEnabled(!checked);
}

void MaemoPackageCreationWidget::versionInfoChanged()
{
    QString error;
    const bool success = m_step->setVersionString(m_ui->major->text()
        + QLatin1Char('.') + m_ui->minor->text() + QLatin1Char('.')
        + m_ui->patch->text(), &error);
    if (!success)
        QMessageBox::critical(this, tr("Could not set version number"), error);
}

void MaemoPackageCreationWidget::editDebianFile()
{
    const QString debianFilePath = MaemoTemplatesManager::instance()
        ->debianDirPath(m_step->buildConfiguration()->target()->project())
        + QLatin1Char('/') + m_ui->debianFilesComboBox->currentText();
    Core::EditorManager::instance()->openEditor(debianFilePath);
}

} // namespace Internal
} // namespace Qt4ProjectManager