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#include "qdbstopapplicationservice.h"

#include "qdbconstants.h"

#include <projectexplorer/applicationlauncher.h>
#include <projectexplorer/kitinformation.h>
#include <projectexplorer/runcontrol.h>
#include <projectexplorer/target.h>

using namespace Utils;

namespace Qdb {
namespace Internal {

class QdbStopApplicationServicePrivate
{
public:
    ProjectExplorer::ApplicationLauncher applicationLauncher;
    QString errorOutput;
};

QdbStopApplicationService::QdbStopApplicationService(QObject *parent)
    : AbstractRemoteLinuxDeployService(parent),
      d(new QdbStopApplicationServicePrivate)
{

}

QdbStopApplicationService::~QdbStopApplicationService()
{
    cleanup();
    delete d;
}

void QdbStopApplicationService::handleProcessFinished(bool success)
{
    const auto failureMessage = tr("Could not check and possibly stop running application.");
    if (!success) {
        emit errorMessage(failureMessage);
        stopDeployment();
        return;
    }

    if (d->errorOutput.contains("Could not connect: Connection refused")) {
        emit progressMessage(tr("Checked that there is no running application."));
    } else if (!d->errorOutput.isEmpty()) {
        emit stdErrData(d->errorOutput);
        emit errorMessage(failureMessage);
    } else {
        emit progressMessage(tr("Stopped the running application."));
    }

    stopDeployment();
}

void QdbStopApplicationService::handleStderr(const QString &output)
{
    d->errorOutput.append(output);
}

void QdbStopApplicationService::handleStdout(const QString &output)
{
    emit stdOutData(output);
}

void QdbStopApplicationService::doDeploy()
{
    connect(&d->applicationLauncher, &ProjectExplorer::ApplicationLauncher::reportError,
            this, &QdbStopApplicationService::stdErrData);
    connect(&d->applicationLauncher, &ProjectExplorer::ApplicationLauncher::remoteStderr,
            this, &QdbStopApplicationService::handleStderr);
    connect(&d->applicationLauncher, &ProjectExplorer::ApplicationLauncher::remoteStdout,
            this, &QdbStopApplicationService::handleStdout);
    connect(&d->applicationLauncher, &ProjectExplorer::ApplicationLauncher::finished,
            this, &QdbStopApplicationService::handleProcessFinished);
    connect(&d->applicationLauncher, &ProjectExplorer::ApplicationLauncher::reportProgress,
            this, &QdbStopApplicationService::stdOutData);

    ProjectExplorer::Runnable runnable;
    runnable.executable = Utils::FilePath::fromString(Constants::AppcontrollerFilepath);
    runnable.commandLineArguments = QStringLiteral("--stop");
    runnable.workingDirectory = FilePath::fromString("/usr/bin");

    d->applicationLauncher.start(runnable,
                                 ProjectExplorer::DeviceKitAspect::device(target()->kit()));
}

void QdbStopApplicationService::stopDeployment()
{
    cleanup();
    handleDeploymentDone();
}

void QdbStopApplicationService::cleanup()
{
    d->applicationLauncher.disconnect(this);
}

} // namespace Internal
} // namespace Qdb