/*
    SPDX-FileCopyrightText: 2016 Aleix Pol Gonzalez <aleixpol@kde.org>

    SPDX-License-Identifier: GPL-2.0-or-later
*/

#include "coronatesthelper.h"
#include "debug.h"

#include <PlasmaQuick/AppletQuickItem>
#include <QGuiApplication>

using namespace Plasma;

CoronaTestHelper::CoronaTestHelper(Corona *parent)
    : QObject(parent)
    , m_corona(parent)
    , m_exitcode(0)
{
    connect(m_corona, &Corona::startupCompleted, this, &CoronaTestHelper::initialize);
}

void CoronaTestHelper::processContainment(Plasma::Containment *containment)
{
    foreach (Plasma::Applet *applet, containment->applets()) {
        processApplet(applet);
    }
    connect(containment, &Plasma::Containment::appletAdded, this, &CoronaTestHelper::processApplet);
}

void CoronaTestHelper::processApplet(Plasma::Applet *applet)
{
    PlasmaQuick::AppletQuickItem *obj = PlasmaQuick::AppletQuickItem::itemForApplet(applet);
    if (applet->failedToLaunch()) {
        qCWarning(PLASMASHELL) << "cannot test an applet with a launch error" << applet->launchErrorMessage();
        qGuiApp->exit(1);
        return;
    }
    if (!obj) {
        qCWarning(PLASMASHELL) << "cannot get AppletQuickItem for applet";
        qGuiApp->exit(1);
        return;
    }

    auto testObject = obj->testItem();
    if (!testObject) {
        qCWarning(PLASMASHELL) << "no test for" << applet->title();
        return;
    }
    integrateTest(testObject);
}

void CoronaTestHelper::integrateTest(QObject *testObject)
{
    if (m_registeredTests.contains(testObject))
        return;

    const int signal = testObject->metaObject()->indexOfSignal("done()");
    if (signal < 0) {
        qCWarning(PLASMASHELL) << "the test object should offer a 'done()' signal" << testObject;
        return;
    }
    if (testObject->metaObject()->indexOfProperty("failed") < 0) {
        qCWarning(PLASMASHELL) << "the test object should offer a 'bool failed' property" << testObject;
        return;
    }

    qCDebug(PLASMASHELL) << "Test registered" << testObject;
    m_tests.insert(testObject);
    m_registeredTests << testObject;

    connect(testObject, SIGNAL(done()), this, SLOT(testFinished()));
}

void CoronaTestHelper::testFinished()
{
    QObject *testObject = sender();

    const bool failed = testObject->property("failed").toBool();
    m_exitcode += failed;
    m_tests.remove(testObject);

    qCWarning(PLASMASHELL) << "test finished" << testObject << failed << "remaining" << m_tests;
    if (m_tests.isEmpty()) {
        qGuiApp->exit(m_exitcode);
    }
}

void CoronaTestHelper::initialize()
{
    foreach (Plasma::Containment *containment, m_corona->containments()) {
        processContainment(containment);
    }
    connect(m_corona, &Corona::containmentAdded, this, &CoronaTestHelper::processContainment);

    if (m_tests.isEmpty()) {
        qCWarning(PLASMASHELL) << "no tests found for the corona" << QCoreApplication::instance()->arguments();
        qGuiApp->exit();
        return;
    }
}
