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** This file is part of Qt Creator
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** 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.
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**
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#include "publickeydeploymentdialog.h"

#include "linuxdeviceconfiguration.h"
#include "sshkeydeployer.h"

#include <coreplugin/icore.h>
#include <ssh/sshconnection.h>

#include <QTimer>
#include <QFileDialog>
#include <QMainWindow>

namespace RemoteLinux {
namespace Internal {
class PublicKeyDeploymentDialogPrivate
{
public:
    SshKeyDeployer keyDeployer;
    bool done;
};
} // namespace Internal;

using namespace Internal;

PublicKeyDeploymentDialog *PublicKeyDeploymentDialog::createDialog(const LinuxDeviceConfiguration::ConstPtr &deviceConfig,
    QWidget *parent)
{
    const QString &dir = QFileInfo(deviceConfig->sshParameters().privateKeyFile).path();
    const QString publicKeyFileName = QFileDialog::getOpenFileName(parent
            ? parent : Core::ICore::mainWindow(),
        tr("Choose Public Key File"), dir,
        tr("Public Key Files (*.pub);;All Files (*)"));
    if (publicKeyFileName.isEmpty())
        return 0;
    return new PublicKeyDeploymentDialog(deviceConfig, publicKeyFileName, parent);
}

PublicKeyDeploymentDialog::PublicKeyDeploymentDialog(const LinuxDeviceConfiguration::ConstPtr &deviceConfig,
        const QString &publicKeyFileName, QWidget *parent)
    : QProgressDialog(parent), d(new PublicKeyDeploymentDialogPrivate)
{
    setAutoReset(false);
    setAutoClose(false);
    setMinimumDuration(0);
    setMaximum(1);

    d->done = false;
    setLabelText(tr("Deploying..."));
    setValue(0);
    connect(this, SIGNAL(canceled()), SLOT(handleCanceled()));
    connect(&d->keyDeployer, SIGNAL(error(QString)), SLOT(handleDeploymentError(QString)));
    connect(&d->keyDeployer, SIGNAL(finishedSuccessfully()), SLOT(handleDeploymentSuccess()));
    d->keyDeployer.deployPublicKey(deviceConfig->sshParameters(), publicKeyFileName);
}

PublicKeyDeploymentDialog::~PublicKeyDeploymentDialog()
{
    delete d;
}

void PublicKeyDeploymentDialog::handleDeploymentSuccess()
{
    handleDeploymentFinished(QString());
    setValue(1);
    d->done = true;
}

void PublicKeyDeploymentDialog::handleDeploymentError(const QString &errorMsg)
{
    handleDeploymentFinished(errorMsg);
}

void PublicKeyDeploymentDialog::handleDeploymentFinished(const QString &errorMsg)
{
    QString buttonText;
    const char *textColor;
    if (errorMsg.isEmpty()) {
        buttonText = tr("Deployment finished successfully.");
        textColor = "blue";
    } else {
        buttonText = errorMsg;
        textColor = "red";
    }
    setLabelText(QString::fromLatin1("<font color=\"%1\">%2</font>").arg(textColor, buttonText));
    setCancelButtonText(tr("Close"));
}

void PublicKeyDeploymentDialog::handleCanceled()
{
    disconnect(&d->keyDeployer, 0, this, 0);
    d->keyDeployer.stopDeployment();
    if (d->done)
        accept();
    else
        reject();
}

} // namespace RemoteLinux