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#include "maemopackageinstaller.h"

#include "maemoglobal.h"

namespace Madde {
namespace Internal {

MaemoDebianPackageInstaller::MaemoDebianPackageInstaller(QObject *parent)
    : AbstractRemoteLinuxPackageInstaller(parent)
{
    connect(this, SIGNAL(stderrData(QString)), SLOT(handleInstallerErrorOutput(QString)));
}

void MaemoDebianPackageInstaller::prepareInstallation()
{
    m_installerStderr.clear();
}

QString MaemoDebianPackageInstaller::installCommandLine(const QString &packageFilePath) const
{
    return MaemoGlobal::devrootshPath() + QLatin1String(" dpkg -i --no-force-downgrade ")
        + packageFilePath;
}

QString MaemoDebianPackageInstaller::cancelInstallationCommandLine() const
{
    return QLatin1String("pkill dpkg");
}

void MaemoDebianPackageInstaller::handleInstallerErrorOutput(const QString &output)
{
    m_installerStderr += output;
}

QString MaemoDebianPackageInstaller::errorString() const
{
    if (m_installerStderr.contains(QLatin1String("Will not downgrade"))) {
        return tr("Installation failed: "
            "You tried to downgrade a package, which is not allowed.");
    } else {
        return QString();
    }
}


MaemoRpmPackageInstaller::MaemoRpmPackageInstaller(QObject *parent)
    : AbstractRemoteLinuxPackageInstaller(parent)
{
}

QString MaemoRpmPackageInstaller::installCommandLine(const QString &packageFilePath) const
{
    // rpm -U does not allow to re-install a package with the same version
    // number, so we need --replacepkgs. Even then, it inexplicably reports
    // a conflict if the files are not identical to the installed version,
    // so we need --replacefiles as well.
    // TODO: --replacefiles is dangerous. Is there perhaps a way around it
    // after all?
    return MaemoGlobal::devrootshPath() + QLatin1String(" rpm -Uhv --replacepkgs --replacefiles ")
        + packageFilePath;
}

QString MaemoRpmPackageInstaller::cancelInstallationCommandLine() const
{
    return QLatin1String("pkill rpm");
}

HarmattanPackageInstaller::HarmattanPackageInstaller(QObject *parent)
    : AbstractRemoteLinuxPackageInstaller(parent)
{
}

QString HarmattanPackageInstaller::installCommandLine(const QString &packageFilePath) const
{
    return QLatin1String("pkgmgr install-file -f ") + packageFilePath
        + QLatin1String(" |grep -v '%'"); // Otherwise, the terminal codes will screw with our output.
}

QString HarmattanPackageInstaller::cancelInstallationCommandLine() const
{
    return QLatin1String("pkill pkgmgr");
}

} // namespace Internal
} // namespace Madde