/*
   SPDX-FileCopyrightText: 2014-2026 Laurent Montel <montel@kde.org>

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

#include "eventedittest.h"
#include "../createeventplugin/eventdatetimewidget.h"
#include "../createeventplugin/eventedit.h"
#include <messageviewer/globalsettings_messageviewer.h>

#include <Akonadi/Collection>
#include <Akonadi/CollectionComboBox>
#include <Akonadi/EntityTreeModel>
#include <KCalendarCore/Event>
#include <QPushButton>
#include <QStandardItemModel>

#include <QTest>
#include <qtestkeyboard.h>
#include <qtestmouse.h>

#include <QLineEdit>
#include <QShortcut>
#include <QSignalSpy>

namespace MessageViewer
{
extern MESSAGEVIEWER_EXPORT QAbstractItemModel *_k_eventEditStubModel;
}

EventEditTest::EventEditTest(QObject *parent)
    : QObject(parent)
{
    qRegisterMetaType<Akonadi::Collection>();
    qRegisterMetaType<std::shared_ptr<KMime::Message>>();
    qRegisterMetaType<KCalendarCore::Event::Ptr>();
    QStandardPaths::setTestModeEnabled(true);

    auto model = new QStandardItemModel;
    for (int id = 42; id < 51; ++id) {
        Akonadi::Collection collection(id);
        collection.setRights(Akonadi::Collection::AllRights);
        collection.setName(QString::number(id));
        collection.setContentMimeTypes(QStringList() << KCalendarCore::Event::eventMimeType());

        auto item = new QStandardItem(collection.name());
        item->setData(QVariant::fromValue(collection), Akonadi::EntityTreeModel::CollectionRole);
        item->setData(QVariant::fromValue(collection.id()), Akonadi::EntityTreeModel::CollectionIdRole);

        model->appendRow(item);
    }
    MessageViewer::_k_eventEditStubModel = model;

    // Fake a default-selected collection for shouldHaveDefaultValuesOnCreation test
    MessageViewer::MessageViewerSettingsBase::self()->setLastEventSelectedFolder(43);
}

void EventEditTest::shouldHaveDefaultValuesOnCreation()
{
    MessageViewer::EventEdit edit;
    QVERIFY(edit.collection().isValid());
    QVERIFY(!edit.message());
    auto eventedit = edit.findChild<QLineEdit *>(QStringLiteral("eventedit"));
    QVERIFY(eventedit);
    QCOMPARE(eventedit->text(), QString());

    auto openEditor = edit.findChild<QPushButton *>(QStringLiteral("open-editor-button"));
    auto save = edit.findChild<QPushButton *>(QStringLiteral("save-button"));
    QVERIFY(openEditor);
    QVERIFY(save);
    QCOMPARE(openEditor->isEnabled(), false);
    QCOMPARE(save->isEnabled(), false);

    QDateTime currentDateTime = QDateTime::currentDateTime();
    auto startDateTime = edit.findChild<MessageViewer::EventDateTimeWidget *>(QStringLiteral("startdatetimeedit"));
    QVERIFY(startDateTime);
    QCOMPARE(startDateTime->dateTime().date(), currentDateTime.date());
    QCOMPARE(startDateTime->dateTime().time().hour(), currentDateTime.time().hour());
    QCOMPARE(startDateTime->dateTime().time().minute(), currentDateTime.time().minute());

    auto endDateTime = edit.findChild<MessageViewer::EventDateTimeWidget *>(QStringLiteral("enddatetimeedit"));
    QVERIFY(endDateTime);
    currentDateTime = currentDateTime.addSecs(3600); // +1hour
    QCOMPARE(endDateTime->dateTime().date(), currentDateTime.date());
    QCOMPARE(endDateTime->dateTime().time().hour(), currentDateTime.time().hour());
    QCOMPARE(endDateTime->dateTime().time().minute(), currentDateTime.time().minute());
}

void EventEditTest::shouldEmitCollectionChanged()
{
    MessageViewer::EventEdit edit;
    QSignalSpy spy(&edit, &MessageViewer::EventEdit::collectionChanged);
    edit.setCollection(Akonadi::Collection(42));
    QCOMPARE(spy.count(), 1);
    QCOMPARE(spy.at(0).at(0).value<Akonadi::Collection>(), Akonadi::Collection(42));
}

void EventEditTest::shouldEmitMessageChanged()
{
    MessageViewer::EventEdit edit;
    QSignalSpy spy(&edit, &MessageViewer::EventEdit::messageChanged);
    std::shared_ptr<KMime::Message> msg(new KMime::Message);
    edit.setMessage(msg);
    QCOMPARE(spy.count(), 1);
    QCOMPARE(spy.at(0).at(0).value<std::shared_ptr<KMime::Message>>(), msg);
}

void EventEditTest::shouldNotEmitWhenCollectionIsNotChanged()
{
    MessageViewer::EventEdit edit;
    edit.setCollection(Akonadi::Collection(42));
    QSignalSpy spy(&edit, &MessageViewer::EventEdit::collectionChanged);
    edit.setCollection(Akonadi::Collection(42));
    QCOMPARE(spy.count(), 0);
}

void EventEditTest::shouldNotEmitWhenMessageIsNotChanged()
{
    MessageViewer::EventEdit edit;
    std::shared_ptr<KMime::Message> msg(new KMime::Message);
    edit.setMessage(msg);
    QSignalSpy spy(&edit, &MessageViewer::EventEdit::messageChanged);
    edit.setMessage(msg);
    QCOMPARE(spy.count(), 0);
}

void EventEditTest::shouldEmitEventWhenPressEnter()
{
    MessageViewer::EventEdit edit;
    edit.show();
    // make sure the window is active so we can test for focus
    edit.activateWindow();
    QVERIFY(QTest::qWaitForWindowExposed(&edit));
    QVERIFY(edit.isVisible());

    std::shared_ptr<KMime::Message> msg(new KMime::Message);
    const QString subject = QStringLiteral("Test Note");
    msg->subject(KMime::CreatePolicy::Create)->fromUnicodeString(subject);
    msg->subject(KMime::CreatePolicy::DontCreate)->setRFC2047Charset("us-ascii");
    edit.setMessage(msg);
    auto eventedit = edit.findChild<QLineEdit *>(QStringLiteral("eventedit"));
    eventedit->setFocus();
    QSignalSpy spy(&edit, &MessageViewer::EventEdit::createEvent);
    QTest::keyClick(eventedit, Qt::Key_Enter);
    QCOMPARE(spy.count(), 1);
}

void EventEditTest::shouldHideWidgetWhenPressEnter()
{
    MessageViewer::EventEdit edit;
    edit.show();
    QVERIFY(QTest::qWaitForWindowExposed(&edit));
    QVERIFY(edit.isVisible());

    std::shared_ptr<KMime::Message> msg(new KMime::Message);
    const QString subject = QStringLiteral("Test Note");
    msg->subject(KMime::CreatePolicy::Create)->fromUnicodeString(subject);
    msg->subject(KMime::CreatePolicy::DontCreate)->setRFC2047Charset("us-ascii");
    edit.setMessage(msg);
    auto eventedit = edit.findChild<QLineEdit *>(QStringLiteral("eventedit"));
    QTest::keyClick(eventedit, Qt::Key_Enter);
    QCOMPARE(edit.isVisible(), false);
}

void EventEditTest::shouldHideWidgetWhenPressEscape()
{
    MessageViewer::EventEdit edit;
    edit.show();
    // make sure the window is active so we can test for focus
    edit.activateWindow();
    QVERIFY(QTest::qWaitForWindowExposed(&edit));
    auto eventedit = edit.findChild<QLineEdit *>(QStringLiteral("eventedit"));
    eventedit->setFocus();
    QVERIFY(eventedit->hasFocus());
    QTest::keyPress(&edit, Qt::Key_Escape);
    QCOMPARE(edit.isVisible(), false);
}

void EventEditTest::shouldHideWidgetWhenSaveClicked()
{
    MessageViewer::EventEdit edit;
    edit.show();
    QVERIFY(QTest::qWaitForWindowExposed(&edit));

    std::shared_ptr<KMime::Message> msg(new KMime::Message);
    msg->subject(KMime::CreatePolicy::Create)->fromUnicodeString(QStringLiteral("Test Note"));
    msg->subject(KMime::CreatePolicy::DontCreate)->setRFC2047Charset("us-ascii");
    edit.setMessage(msg);
    auto save = edit.findChild<QPushButton *>(QStringLiteral("save-button"));
    QTest::mouseClick(save, Qt::LeftButton);
    QCOMPARE(edit.isVisible(), false);
}

void EventEditTest::shouldSaveCollectionSettings()
{
    MessageViewer::EventEdit edit;
    edit.show();
    QVERIFY(QTest::qWaitForWindowExposed(&edit));
    auto akonadicombobox = edit.findChild<Akonadi::CollectionComboBox *>(QStringLiteral("akonadicombobox"));
    akonadicombobox->setCurrentIndex(3);
    const Akonadi::Collection::Id id = akonadicombobox->currentCollection().id();
    auto close = edit.findChild<QPushButton *>(QStringLiteral("close-button"));
    QTest::mouseClick(close, Qt::LeftButton);
    QCOMPARE(MessageViewer::MessageViewerSettingsBase::self()->lastEventSelectedFolder(), id);
}

void EventEditTest::shouldSaveCollectionSettingsWhenCloseWidget()
{
    MessageViewer::EventEdit edit;
    edit.show();
    QVERIFY(QTest::qWaitForWindowExposed(&edit));
    auto akonadicombobox = edit.findChild<Akonadi::CollectionComboBox *>(QStringLiteral("akonadicombobox"));
    akonadicombobox->setCurrentIndex(4);
    const Akonadi::Collection::Id id = akonadicombobox->currentCollection().id();
    edit.writeConfig();
    QCOMPARE(MessageViewer::MessageViewerSettingsBase::self()->lastEventSelectedFolder(), id);
}

void EventEditTest::shouldSaveCollectionSettingsWhenDeleteWidget()
{
    auto edit = new MessageViewer::EventEdit;
    auto akonadicombobox = edit->findChild<Akonadi::CollectionComboBox *>(QStringLiteral("akonadicombobox"));
    akonadicombobox->setCurrentIndex(5);
    const Akonadi::Collection::Id id = akonadicombobox->currentCollection().id();
    delete edit;
    QCOMPARE(MessageViewer::MessageViewerSettingsBase::self()->lastEventSelectedFolder(), id);
}

void EventEditTest::shouldNotEmitCreateEventWhenDateIsInvalid()
{
    MessageViewer::EventEdit edit;
    std::shared_ptr<KMime::Message> msg(new KMime::Message);

    auto startDateTime = edit.findChild<MessageViewer::EventDateTimeWidget *>(QStringLiteral("startdatetimeedit"));
    startDateTime->setDateTime(QDateTime());

    auto endDateTime = edit.findChild<MessageViewer::EventDateTimeWidget *>(QStringLiteral("enddatetimeedit"));
    endDateTime->setDateTime(QDateTime());

    QString subject = QStringLiteral("Test Note");
    msg->subject(KMime::CreatePolicy::Create)->fromUnicodeString(subject);
    msg->subject(KMime::CreatePolicy::DontCreate)->setRFC2047Charset("us-ascii");
    edit.setMessage(msg);
    auto eventedit = edit.findChild<QLineEdit *>(QStringLiteral("eventedit"));
    QSignalSpy spy(&edit, &MessageViewer::EventEdit::createEvent);
    QTest::keyClick(eventedit, Qt::Key_Enter);
    QCOMPARE(spy.count(), 0);
}

void EventEditTest::shouldEventHasCorrectSubject()
{
    MessageViewer::EventEdit edit;
    std::shared_ptr<KMime::Message> msg(new KMime::Message);
    QString subject = QStringLiteral("Test Note");
    msg->subject(KMime::CreatePolicy::Create)->fromUnicodeString(subject);
    msg->subject(KMime::CreatePolicy::DontCreate)->setRFC2047Charset("us-ascii");
    edit.setMessage(msg);
    auto noteedit = edit.findChild<QLineEdit *>(QStringLiteral("eventedit"));
    QVERIFY(noteedit);
    QSignalSpy spy(&edit, &MessageViewer::EventEdit::createEvent);
    QTest::keyClick(noteedit, Qt::Key_Enter);
    QCOMPARE(spy.count(), 1);
    auto eventPtr = spy.at(0).at(0).value<KCalendarCore::Event::Ptr>();
    QVERIFY(eventPtr);
    QCOMPARE(eventPtr->summary(), subject);
}

void EventEditTest::shouldSelectLineWhenPutMessage()
{
    MessageViewer::EventEdit edit;
    std::shared_ptr<KMime::Message> msg(new KMime::Message);
    QString subject = QStringLiteral("Test Note");
    msg->subject(KMime::CreatePolicy::Create)->fromUnicodeString(subject);
    msg->subject(KMime::CreatePolicy::DontCreate)->setRFC2047Charset("us-ascii");
    edit.setMessage(msg);
    auto noteedit = edit.findChild<QLineEdit *>(QStringLiteral("eventedit"));
    QVERIFY(noteedit);
    QVERIFY(noteedit->hasSelectedText());
    const QString selectedText = noteedit->selectedText();
    QCOMPARE(selectedText, subject);
}

void EventEditTest::shouldHaveCorrectStartEndDateTime()
{
    MessageViewer::EventEdit edit;
    std::shared_ptr<KMime::Message> msg(new KMime::Message);
    QString subject = QStringLiteral("Test Note");
    msg->subject(KMime::CreatePolicy::Create)->fromUnicodeString(subject);
    msg->subject(KMime::CreatePolicy::DontCreate)->setRFC2047Charset("us-ascii");
    edit.setMessage(msg);

    QDateTime currentDateTime = QDateTime::currentDateTime();
    auto startDateTime = edit.findChild<MessageViewer::EventDateTimeWidget *>(QStringLiteral("startdatetimeedit"));
    startDateTime->setDateTime(currentDateTime);

    QDateTime endDt = currentDateTime.addDays(1);
    auto endDateTime = edit.findChild<MessageViewer::EventDateTimeWidget *>(QStringLiteral("enddatetimeedit"));
    endDateTime->setDateTime(endDt);

    auto noteedit = edit.findChild<QLineEdit *>(QStringLiteral("eventedit"));
    QVERIFY(noteedit);
    QSignalSpy spy(&edit, &MessageViewer::EventEdit::createEvent);
    QTest::keyClick(noteedit, Qt::Key_Enter);
    QCOMPARE(spy.count(), 1);
    auto eventPtr = spy.at(0).at(0).value<KCalendarCore::Event::Ptr>();
    QVERIFY(eventPtr);
    QCOMPARE(eventPtr->dtStart().date(), currentDateTime.date());
    QCOMPARE(eventPtr->dtStart().time().hour(), currentDateTime.time().hour());
    QCOMPARE(eventPtr->dtStart().time().minute(), currentDateTime.time().minute());

    QCOMPARE(eventPtr->dtEnd().date(), endDt.date());
    QCOMPARE(eventPtr->dtEnd().time().hour(), endDt.time().hour());
    QCOMPARE(eventPtr->dtEnd().time().minute(), endDt.time().minute());
}

void EventEditTest::shouldSetFocusWhenWeCallTodoEdit()
{
    MessageViewer::EventEdit edit;
    edit.show();
    // make sure the window is active so we can test for focus
    edit.activateWindow();
    QVERIFY(QTest::qWaitForWindowExposed(&edit));
    auto noteedit = edit.findChild<QLineEdit *>(QStringLiteral("eventedit"));
    QVERIFY(noteedit);
    edit.setFocus();
    edit.showEventEdit();
    QVERIFY(noteedit->hasFocus());
}

void EventEditTest::shouldEnsureEndDateIsNotBeforeStartDate()
{
    MessageViewer::EventEdit edit;
    auto startDateTime = edit.findChild<MessageViewer::EventDateTimeWidget *>(QStringLiteral("startdatetimeedit"));
    auto endDateTime = edit.findChild<MessageViewer::EventDateTimeWidget *>(QStringLiteral("enddatetimeedit"));

    QDateTime startDt = startDateTime->dateTime();
    QVERIFY(startDt < endDateTime->dateTime());

    startDt.setTime(QTime(5, 12));
    endDateTime->setDateTime(startDt.addSecs(3600));
    startDt = startDt.addDays(1);
    startDateTime->setDateTime(startDt);
    QCOMPARE(startDt.date(), endDateTime->date());
    QVERIFY(startDt.time() < endDateTime->time());

    startDt = startDt.addSecs(2 * 3600);
    startDateTime->setDateTime(startDt);
    QCOMPARE(startDt.time(), endDateTime->time());
}

void EventEditTest::shouldEnabledSaveOpenEditorButton()
{
    MessageViewer::EventEdit edit;
    std::shared_ptr<KMime::Message> msg(new KMime::Message);
    msg->subject(KMime::CreatePolicy::Create)->fromUnicodeString(QStringLiteral("Test note"));
    msg->subject(KMime::CreatePolicy::DontCreate)->setRFC2047Charset("us-ascii");
    edit.setMessage(msg);

    auto noteedit = edit.findChild<QLineEdit *>(QStringLiteral("eventedit"));
    QVERIFY(noteedit);
    auto openEditor = edit.findChild<QPushButton *>(QStringLiteral("open-editor-button"));
    auto save = edit.findChild<QPushButton *>(QStringLiteral("save-button"));
    QCOMPARE(openEditor->isEnabled(), true);
    QCOMPARE(save->isEnabled(), true);
    noteedit->clear();

    QCOMPARE(openEditor->isEnabled(), false);
    QCOMPARE(save->isEnabled(), false);

    noteedit->setText(QStringLiteral(" "));
    QCOMPARE(openEditor->isEnabled(), false);
    QCOMPARE(save->isEnabled(), false);

    noteedit->setText(QStringLiteral(" foo"));
    QCOMPARE(openEditor->isEnabled(), true);
    QCOMPARE(save->isEnabled(), true);
}

void EventEditTest::shouldUpdateStartEndDateWhenReopenIt()
{
    MessageViewer::EventEdit edit;
    std::shared_ptr<KMime::Message> msg(new KMime::Message);
    const QString subject = QStringLiteral("Test Note");
    msg->subject(KMime::CreatePolicy::Create)->fromUnicodeString(subject);
    msg->subject(KMime::CreatePolicy::DontCreate)->setRFC2047Charset("us-ascii");
    edit.setMessage(msg);

    QDateTime currentDateTime = QDateTime::currentDateTime();
    auto startDateTime = edit.findChild<MessageViewer::EventDateTimeWidget *>(QStringLiteral("startdatetimeedit"));
    QCOMPARE(startDateTime->dateTime().date(), currentDateTime.date());
    QCOMPARE(startDateTime->dateTime().time().hour(), currentDateTime.time().hour());
    QCOMPARE(startDateTime->dateTime().time().minute(), currentDateTime.time().minute());

    auto endDateTime = edit.findChild<MessageViewer::EventDateTimeWidget *>(QStringLiteral("enddatetimeedit"));
    auto endTime = currentDateTime.addSecs(3600);
    QCOMPARE(endDateTime->dateTime().date(), endTime.date());
    QCOMPARE(endDateTime->dateTime().time().hour(), endTime.time().hour());
    QCOMPARE(endDateTime->dateTime().time().minute(), endTime.time().minute());

    QDateTime newDateTime = currentDateTime;
    newDateTime = newDateTime.addSecs(60 * 60); //+1h
    startDateTime->setDateTime(newDateTime);
    endDateTime->setDateTime(newDateTime);

    QCOMPARE(startDateTime->dateTime().time().hour(), newDateTime.time().hour());
    QCOMPARE(startDateTime->dateTime().time().minute(), newDateTime.time().minute());
    QCOMPARE(startDateTime->dateTime().date(), newDateTime.date());

    QCOMPARE(endDateTime->dateTime().time().hour(), newDateTime.time().hour());
    QCOMPARE(endDateTime->dateTime().time().minute(), newDateTime.time().minute());
    QCOMPARE(endDateTime->dateTime().date(), newDateTime.date());

    edit.slotCloseWidget();

    edit.showEventEdit();
    QCOMPARE(startDateTime->dateTime().date(), currentDateTime.date());
    QCOMPARE(startDateTime->dateTime().time().hour(), currentDateTime.time().hour());
    QCOMPARE(startDateTime->dateTime().time().minute(), currentDateTime.time().minute());

    QCOMPARE(endDateTime->dateTime().date(), endTime.date());
    QCOMPARE(endDateTime->dateTime().time().hour(), endTime.time().hour());
    QCOMPARE(endDateTime->dateTime().time().minute(), endTime.time().minute());
}

void EventEditTest::shouldDisabledSaveOpenEditorButtonWhenCollectionComboBoxIsEmpty()
{
    MessageViewer::EventEdit edit;
    auto akonadicombobox = edit.findChild<Akonadi::CollectionComboBox *>(QStringLiteral("akonadicombobox"));
    // Create an empty combobox
    akonadicombobox->setModel(new QStandardItemModel());
    std::shared_ptr<KMime::Message> msg(new KMime::Message);
    const QString subject = QStringLiteral("Test Note");
    msg->subject(KMime::CreatePolicy::Create)->fromUnicodeString(subject);
    msg->subject(KMime::CreatePolicy::DontCreate)->setRFC2047Charset("us-ascii");
    edit.setMessage(msg);

    auto openEditor = edit.findChild<QPushButton *>(QStringLiteral("open-editor-button"));
    auto save = edit.findChild<QPushButton *>(QStringLiteral("save-button"));
    QCOMPARE(openEditor->isEnabled(), false);
    QCOMPARE(save->isEnabled(), false);
}

QTEST_MAIN(EventEditTest)

#include "moc_eventedittest.cpp"
