#include "networkdeleter.h"
#include "ui_networkdeleter.h"

NetworkDeleter::NetworkDeleter(QString networkName, QString networkUuidStr, QWidget *parent) :
    QDialog(parent),
    ui(new Ui::NetworkDeleter)
{
    targetNetworkName = networkName;
    targetNetworkUuidStr = networkUuidStr;
    ui->setupUi(this);
    this->setWindowTitle(tr("Delete connection %1?").arg(networkName));
    ui->connectionDeleteWarningLabel->setText(tr("Are you sure you want to delete connection %1?").arg(networkName));
    this->layout()->setSizeConstraint(QLayout::SetFixedSize);
    connect(ui->cancelButton, &QPushButton::clicked, this, &NetworkDeleter::onCancelClicked);
    connect(ui->deleteButton, &QPushButton::clicked, this, &NetworkDeleter::onDeleteClicked);
}

NetworkDeleter::~NetworkDeleter()
{
    delete ui;
}

void NetworkDeleter::onCancelClicked()
{
    this->done(0);
}

void NetworkDeleter::onDeleteClicked()
{
    NetworkManager::Connection::Ptr conn = NetworkManager::findConnectionByUuid(targetNetworkUuidStr);

    if (!conn || conn->uuid().isEmpty()) {
        QMessageBox errorMsg(QMessageBox::Critical, tr("Connection removal failed"), tr("Could not remove connection %1.").arg(targetNetworkName));
        errorMsg.exec();
    } else {
        // Copied and adapted from plasma-nm
        // Remove slave connections
        for (const NetworkManager::Connection::Ptr &connection : NetworkManager::listConnections()) {
            NetworkManager::ConnectionSettings::Ptr settings = connection->settings();
            if (settings->master() == conn->uuid()) {
                connection->remove();
            }
        }

        QDBusPendingReply<> reply = conn->remove();
        auto watcher = new QDBusPendingCallWatcher(reply, this);
        connect(watcher, &QDBusPendingCallWatcher::finished, this, &NetworkDeleter::deleteReplyFinished);
        ui->connectionDeleteWarningLabel->setText(tr("Deleting connection %1...").arg(targetNetworkName));
        ui->deleteButton->setEnabled(false);
    }
}

void NetworkDeleter::deleteReplyFinished(QDBusPendingCallWatcher *watcher)
{
    // Inspired by plasma-nm
    QDBusPendingReply<> reply = *watcher;
    if (reply.isError() || !reply.isValid()) {
        QMessageBox errorMsg(QMessageBox::Critical, tr("Connection removal failed"), tr("Could not remove connection %1.").arg(targetNetworkName));
        errorMsg.exec();
    }
    this->done(0);
}