/*
 * SPDX-License-Identifier: LGPL-2.0-or-later
 *
 * Live test: run the ":"-verbs directly (OllieCommands::runVerb) on a real
 * KTextEditor Document/View and confirm the buffer is mutated. This is the path
 * the command palette uses, independent of the editor's command registry.
 * Requires a (headless) QApplication; run with QT_QPA_PLATFORM=offscreen.
 */
#include "olliecommands.h"

#include <KTextEditor/Document>
#include <KTextEditor/Editor>
#include <KTextEditor/View>

#include <QTest>

using namespace deft;

class TestOllieCommandsLive : public QObject
{
    Q_OBJECT

    KTextEditor::Editor *m_editor = nullptr;

    KTextEditor::View *makeView(const QString &text, KTextEditor::Document *&docOut)
    {
        docOut = m_editor->createDocument(this);
        docOut->setText(text);
        return docOut->createView(nullptr);
    }

private Q_SLOTS:
    void initTestCase()
    {
        m_editor = KTextEditor::Editor::instance();
        QVERIFY(m_editor);
    }

    void caseUpperWholeDocument()
    {
        KTextEditor::Document *doc = nullptr;
        KTextEditor::View *v = makeView(QStringLiteral("helloWorld"), doc);
        QString msg;
        QVERIFY2(OllieCommands::runVerb(v, QStringLiteral("case upper"), msg), qPrintable(msg));
        QCOMPARE(doc->text(), QStringLiteral("HELLOWORLD"));
        delete v;
        delete doc;
    }

    void rot13OnSelection()
    {
        KTextEditor::Document *doc = nullptr;
        KTextEditor::View *v = makeView(QStringLiteral("abc XYZ"), doc);
        v->setSelection(doc->documentRange());
        QString msg;
        QVERIFY(OllieCommands::runVerb(v, QStringLiteral("rot13"), msg));
        QCOMPARE(doc->text(), QStringLiteral("nop KLM"));
        delete v;
        delete doc;
    }

    void sortLinesWholeDocument()
    {
        KTextEditor::Document *doc = nullptr;
        KTextEditor::View *v = makeView(QStringLiteral("banana\napple\ncherry"), doc);
        QString msg;
        QVERIFY(OllieCommands::runVerb(v, QStringLiteral("sort"), msg));
        QCOMPARE(doc->text(), QStringLiteral("apple\nbanana\ncherry"));
        delete v;
        delete doc;
    }

    void uuidInsertsAtCursor()
    {
        KTextEditor::Document *doc = nullptr;
        KTextEditor::View *v = makeView(QString(), doc);
        QString msg;
        QVERIFY(OllieCommands::runVerb(v, QStringLiteral("uuid"), msg));
        QCOMPARE(doc->text().size(), 36); // 8-4-4-4-12 + 4 hyphens
        delete v;
        delete doc;
    }

    void base64RoundTripOnSelection()
    {
        KTextEditor::Document *doc = nullptr;
        KTextEditor::View *v = makeView(QStringLiteral("hello"), doc);
        v->setSelection(doc->documentRange());
        QString msg;
        QVERIFY(OllieCommands::runVerb(v, QStringLiteral("b64enc"), msg));
        QCOMPARE(doc->text(), QStringLiteral("aGVsbG8="));
        v->setSelection(doc->documentRange());
        QVERIFY(OllieCommands::runVerb(v, QStringLiteral("b64dec"), msg));
        QCOMPARE(doc->text(), QStringLiteral("hello"));
        delete v;
        delete doc;
    }
};

QTEST_MAIN(TestOllieCommandsLive)
#include "test_olliecommands_live.moc"