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#include <QtTest/QSignalSpy>
#include <qtest.h>
#include <QtDeclarative/qdeclarativeengine.h>
#include <QtDeclarative/qdeclarativecomponent.h>
#include <private/qdeclarativetimer_p.h>
#include <QtDeclarative/qdeclarativeitem.h>
#include <QDebug>
#include <QtCore/QPauseAnimation>
#include <private/qabstractanimation_p.h>

void consistentWait(int ms)
{
    //Use animations for timing, because we enabled consistentTiming
    //This function will qWait for >= ms worth of consistent timing to elapse
    QPauseAnimation waitTimer(ms);
    waitTimer.start();
    while (waitTimer.state() == QAbstractAnimation::Running)
        QTest::qWait(20);
}

class tst_qdeclarativetimer : public QObject
{
    Q_OBJECT
public:
    tst_qdeclarativetimer();

private slots:
    void initTestCase();
    void notRepeating();
    void notRepeatingStart();
    void repeat();
    void noTriggerIfNotRunning();
    void triggeredOnStart();
    void triggeredOnStartRepeat();
    void changeDuration();
    void restart();
    void parentProperty();
};

class TimerHelper : public QObject
{
    Q_OBJECT
public:
    TimerHelper() : QObject(), count(0)
    {
    }

    int count;

public slots:
    void timeout() {
        ++count;
    }
};

tst_qdeclarativetimer::tst_qdeclarativetimer()
{
}

void tst_qdeclarativetimer::initTestCase()
{
    QUnifiedTimer::instance()->setConsistentTiming(true);
}

void tst_qdeclarativetimer::notRepeating()
{
    QDeclarativeEngine engine;
    QDeclarativeComponent component(&engine);
    component.setData(QByteArray("import QtQuick 1.0\nTimer { interval: 100; running: true }"), QUrl::fromLocalFile(""));
    QDeclarativeTimer *timer = qobject_cast<QDeclarativeTimer*>(component.create());
    QVERIFY(timer != 0);
    QVERIFY(timer->isRunning());
    QVERIFY(!timer->isRepeating());
    QCOMPARE(timer->interval(), 100);

    TimerHelper helper;
    connect(timer, SIGNAL(triggered()), &helper, SLOT(timeout()));


    consistentWait(200);
    QCOMPARE(helper.count, 1);
    consistentWait(200);
    QCOMPARE(helper.count, 1);
    QVERIFY(timer->isRunning() == false);
}

void tst_qdeclarativetimer::notRepeatingStart()
{
    QDeclarativeEngine engine;
    QDeclarativeComponent component(&engine);
    component.setData(QByteArray("import QtQuick 1.0\nTimer { interval: 100 }"), QUrl::fromLocalFile(""));
    QDeclarativeTimer *timer = qobject_cast<QDeclarativeTimer*>(component.create());
    QVERIFY(timer != 0);
    QVERIFY(!timer->isRunning());

    TimerHelper helper;
    connect(timer, SIGNAL(triggered()), &helper, SLOT(timeout()));

    consistentWait(200);
    QCOMPARE(helper.count, 0);

    timer->start();
    consistentWait(200);
    QCOMPARE(helper.count, 1);
    consistentWait(200);
    QCOMPARE(helper.count, 1);
    QVERIFY(timer->isRunning() == false);

    delete timer;
}

void tst_qdeclarativetimer::repeat()
{
    QDeclarativeEngine engine;
    QDeclarativeComponent component(&engine);
    component.setData(QByteArray("import QtQuick 1.0\nTimer { interval: 100; repeat: true; running: true }"), QUrl::fromLocalFile(""));
    QDeclarativeTimer *timer = qobject_cast<QDeclarativeTimer*>(component.create());
    QVERIFY(timer != 0);

    TimerHelper helper;
    connect(timer, SIGNAL(triggered()), &helper, SLOT(timeout()));
    QCOMPARE(helper.count, 0);

    consistentWait(200);
    QVERIFY(helper.count > 0);
    int oldCount = helper.count;

    consistentWait(200);
    QVERIFY(helper.count > oldCount);
    QVERIFY(timer->isRunning());

    oldCount = helper.count;
    timer->stop();

    consistentWait(200);
    QVERIFY(helper.count == oldCount);
    QVERIFY(timer->isRunning() == false);

    QSignalSpy spy(timer, SIGNAL(repeatChanged()));

    timer->setRepeating(false);
    QVERIFY(!timer->isRepeating());
    QCOMPARE(spy.count(),1);

    timer->setRepeating(false);
    QCOMPARE(spy.count(),1);

    timer->setRepeating(true);
    QCOMPARE(spy.count(),2);

    delete timer;
}

void tst_qdeclarativetimer::triggeredOnStart()
{
    QDeclarativeEngine engine;
    QDeclarativeComponent component(&engine);
    component.setData(QByteArray("import QtQuick 1.0\nTimer { interval: 100; running: true; triggeredOnStart: true }"), QUrl::fromLocalFile(""));
    QDeclarativeTimer *timer = qobject_cast<QDeclarativeTimer*>(component.create());
    QVERIFY(timer != 0);
    QVERIFY(timer->triggeredOnStart());

    TimerHelper helper;
    connect(timer, SIGNAL(triggered()), &helper, SLOT(timeout()));
    consistentWait(1);
    QCOMPARE(helper.count, 1);
    consistentWait(200);
    QCOMPARE(helper.count, 2);
    consistentWait(200);
    QCOMPARE(helper.count, 2);
    QVERIFY(timer->isRunning() == false);

    QSignalSpy spy(timer, SIGNAL(triggeredOnStartChanged()));

    timer->setTriggeredOnStart(false);
    QVERIFY(!timer->triggeredOnStart());
    QCOMPARE(spy.count(),1);

    timer->setTriggeredOnStart(false);
    QCOMPARE(spy.count(),1);

    timer->setTriggeredOnStart(true);
    QCOMPARE(spy.count(),2);

    delete timer;
}

void tst_qdeclarativetimer::triggeredOnStartRepeat()
{
    QDeclarativeEngine engine;
    QDeclarativeComponent component(&engine);
    component.setData(QByteArray("import QtQuick 1.0\nTimer { interval: 100; running: true; triggeredOnStart: true; repeat: true }"), QUrl::fromLocalFile(""));
    QDeclarativeTimer *timer = qobject_cast<QDeclarativeTimer*>(component.create());
    QVERIFY(timer != 0);

    TimerHelper helper;
    connect(timer, SIGNAL(triggered()), &helper, SLOT(timeout()));
    consistentWait(1);
    QCOMPARE(helper.count, 1);

    consistentWait(200);
    QVERIFY(helper.count > 1);
    int oldCount = helper.count;
    consistentWait(200);
    QVERIFY(helper.count > oldCount);
    QVERIFY(timer->isRunning());

    delete timer;
}

void tst_qdeclarativetimer::noTriggerIfNotRunning()
{
    QDeclarativeEngine engine;
    QDeclarativeComponent component(&engine);
    component.setData(QByteArray(
        "import QtQuick 1.0\n"
        "Item { property bool ok: true\n"
            "Timer { id: t1; interval: 100; repeat: true; running: true; onTriggered: if (!running) ok=false }"
            "Timer { interval: 10; running: true; onTriggered: t1.running=false }"
        "}"
    ), QUrl::fromLocalFile(""));
    QObject *item = component.create();
    QVERIFY(item != 0);
    consistentWait(200);
    QCOMPARE(item->property("ok").toBool(), true);

    delete item;
}

void tst_qdeclarativetimer::changeDuration()
{
    QDeclarativeEngine engine;
    QDeclarativeComponent component(&engine);
    component.setData(QByteArray("import QtQuick 1.0\nTimer { interval: 200; repeat: true; running: true }"), QUrl::fromLocalFile(""));
    QDeclarativeTimer *timer = qobject_cast<QDeclarativeTimer*>(component.create());
    QVERIFY(timer != 0);

    TimerHelper helper;
    connect(timer, SIGNAL(triggered()), &helper, SLOT(timeout()));
    QCOMPARE(helper.count, 0);

    consistentWait(500);
    QCOMPARE(helper.count, 2);

    timer->setInterval(500);

    consistentWait(600);
    QCOMPARE(helper.count, 3);
    QVERIFY(timer->isRunning());

    QSignalSpy spy(timer, SIGNAL(intervalChanged()));

    timer->setInterval(200);
    QCOMPARE(timer->interval(), 200);
    QCOMPARE(spy.count(),1);

    timer->setInterval(200);
    QCOMPARE(spy.count(),1);

    timer->setInterval(300);
    QCOMPARE(spy.count(),2);

    delete timer;
}

void tst_qdeclarativetimer::restart()
{
    QDeclarativeEngine engine;
    QDeclarativeComponent component(&engine);
    component.setData(QByteArray("import QtQuick 1.0\nTimer { interval: 500; repeat: true; running: true }"), QUrl::fromLocalFile(""));
    QDeclarativeTimer *timer = qobject_cast<QDeclarativeTimer*>(component.create());
    QVERIFY(timer != 0);

    TimerHelper helper;
    connect(timer, SIGNAL(triggered()), &helper, SLOT(timeout()));
    QCOMPARE(helper.count, 0);

    consistentWait(600);
    QCOMPARE(helper.count, 1);

    consistentWait(300);

    timer->restart();

    consistentWait(700);

    QCOMPARE(helper.count, 2);
    QVERIFY(timer->isRunning());

    delete timer;
}

void tst_qdeclarativetimer::parentProperty()
{
    QDeclarativeEngine engine;
    QDeclarativeComponent component(&engine);
    component.setData(QByteArray("import QtQuick 1.0\nItem { Timer { objectName: \"timer\"; running: parent.visible } }"), QUrl::fromLocalFile(""));
    QDeclarativeItem *item = qobject_cast<QDeclarativeItem*>(component.create());
    QVERIFY(item != 0);
    QDeclarativeTimer *timer = item->findChild<QDeclarativeTimer*>("timer");
    QVERIFY(timer != 0);

    QVERIFY(timer->isRunning());

    delete timer;
}

QTEST_MAIN(tst_qdeclarativetimer)

#include "tst_qdeclarativetimer.moc"
