// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0


#include <QTest>
#include <QtTest/private/qtesthelpers_p.h>

#include <qcoreapplication.h>
#include <qdebug.h>
#include <qabstractspinbox.h>
#include <qlineedit.h>
#include <qspinbox.h>

#include "../../../shared/platforminputcontext.h"
#include <private/qinputmethod_p.h>

#include <memory>

class tst_QAbstractSpinBox : public QObject
{
Q_OBJECT

private slots:
    void initTestCase();
    void cleanupTestCase();

    void getSetCheck();

    // task-specific tests below me:
    void task183108_clear();
    void task228728_cssselector();

    void inputMethodUpdate();

private:
    PlatformInputContext m_platformInputContext;
};

class MyAbstractSpinBox : public QAbstractSpinBox
{
public:
    using QAbstractSpinBox::QAbstractSpinBox;

    using QAbstractSpinBox::lineEdit;
    using QAbstractSpinBox::setLineEdit;
};

void tst_QAbstractSpinBox::initTestCase()
{
    auto *inputMethodPrivate = QInputMethodPrivate::get(QGuiApplication::inputMethod());
    inputMethodPrivate->testContext = &m_platformInputContext;
}

void tst_QAbstractSpinBox::cleanupTestCase()
{
    auto *inputMethodPrivate = QInputMethodPrivate::get(QGuiApplication::inputMethod());
    inputMethodPrivate->testContext = nullptr;
}

// Testing get/set functions
void tst_QAbstractSpinBox::getSetCheck()
{
    MyAbstractSpinBox obj1;
    // ButtonSymbols QAbstractSpinBox::buttonSymbols()
    // void QAbstractSpinBox::setButtonSymbols(ButtonSymbols)
    obj1.setButtonSymbols(QAbstractSpinBox::ButtonSymbols(QAbstractSpinBox::UpDownArrows));
    QCOMPARE(QAbstractSpinBox::ButtonSymbols(QAbstractSpinBox::UpDownArrows), obj1.buttonSymbols());
    obj1.setButtonSymbols(QAbstractSpinBox::ButtonSymbols(QAbstractSpinBox::PlusMinus));
    QCOMPARE(QAbstractSpinBox::ButtonSymbols(QAbstractSpinBox::PlusMinus), obj1.buttonSymbols());

    // bool QAbstractSpinBox::wrapping()
    // void QAbstractSpinBox::setWrapping(bool)
    obj1.setWrapping(false);
    QCOMPARE(false, obj1.wrapping());
    obj1.setWrapping(true);
    QCOMPARE(true, obj1.wrapping());

    // QLineEdit * QAbstractSpinBox::lineEdit()
    // void QAbstractSpinBox::setLineEdit(QLineEdit *)
    auto *var3 = new QLineEdit(nullptr);
    obj1.setLineEdit(var3);
    QCOMPARE(var3, obj1.lineEdit());
    // Will assert in debug, so only test in release
#if defined(QT_NO_DEBUG) && !defined(QT_FORCE_ASSERTS)
    obj1.setLineEdit(nullptr);
    QCOMPARE(var3, obj1.lineEdit()); // Setting 0 should keep the current editor
#endif
    // delete var3; // No delete, since QAbstractSpinBox takes ownership
}

void tst_QAbstractSpinBox::task183108_clear()
{
    auto sbox = std::make_unique<QSpinBox>();
    sbox->clear();
    sbox->show();
    QCoreApplication::processEvents();
    QVERIFY(sbox->text().isEmpty());

    sbox.reset(new QSpinBox);
    sbox->clear();
    sbox->show();
    sbox->hide();
    QCoreApplication::processEvents();
    QCOMPARE(sbox->text(), QString());

    sbox.reset(new QSpinBox);
    sbox->show();
    sbox->clear();
    QCoreApplication::processEvents();
    QCOMPARE(sbox->text(), QString());

    sbox.reset(new QSpinBox);
    sbox->show();
    sbox->clear();
    sbox->hide();
    QCoreApplication::processEvents();
    QCOMPARE(sbox->text(), QString());
}

void tst_QAbstractSpinBox::task228728_cssselector()
{
    //QAbstractSpinBox does some call to stylehint into his constructor.
    //so while the stylesheet want to access property, it should not crash
    qApp->setStyleSheet(R"([alignment="1"], [text="foo"] { color:black; })");
    QSpinBox box;
}

void tst_QAbstractSpinBox::inputMethodUpdate()
{
    if (QGuiApplication::platformName().startsWith(QLatin1String("wayland"), Qt::CaseInsensitive))
        QSKIP("Wayland: This fails. Figure out why.");

    QSpinBox box;

    box.setRange(0, 1);

    QTestPrivate::centerOnScreen(&box);
    box.clear();
    box.show();
    QVERIFY(QTest::qWaitForWindowExposed(&box));

    box.activateWindow();
    box.setFocus();
    QTRY_VERIFY(box.hasFocus());
    QTRY_COMPARE(QGuiApplication::focusObject(), &box);

    m_platformInputContext.m_updateCallCount = 0;
    {
        QList<QInputMethodEvent::Attribute> attributes;
        QInputMethodEvent event("1", attributes);
        QCoreApplication::sendEvent(&box, &event);
    }
    QVERIFY(m_platformInputContext.m_updateCallCount >= 1);

    m_platformInputContext.m_updateCallCount = 0;
    {
        QList<QInputMethodEvent::Attribute> attributes;
        attributes << QInputMethodEvent::Attribute(QInputMethodEvent::Cursor, 0, 1, QVariant());
        QInputMethodEvent event("1", attributes);
        QCoreApplication::sendEvent(&box, &event);
    }
    QVERIFY(m_platformInputContext.m_updateCallCount >= 1);

    m_platformInputContext.m_updateCallCount = 0;
    {
        QList<QInputMethodEvent::Attribute> attributes;
        QInputMethodEvent event("", attributes);
        event.setCommitString("1");
        QCoreApplication::sendEvent(&box, &event);
    }
    QVERIFY(m_platformInputContext.m_updateCallCount >= 1);
    QCOMPARE(box.value(), 1);

    m_platformInputContext.m_updateCallCount = 0;
    {
        QList<QInputMethodEvent::Attribute> attributes;
        attributes << QInputMethodEvent::Attribute(QInputMethodEvent::Selection, 0, 0, QVariant());
        QInputMethodEvent event("", attributes);
        QCoreApplication::sendEvent(&box, &event);
    }
    QVERIFY(m_platformInputContext.m_updateCallCount >= 1);
}


QTEST_MAIN(tst_QAbstractSpinBox)
#include "tst_qabstractspinbox.moc"