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#include "quicktest.h"
#include "quicktestresult_p.h"
#include "qtestsystem.h"
#include <QApplication>
#include <QtDeclarative/qdeclarative.h>
#include <QtDeclarative/qdeclarativeview.h>
#include <QtDeclarative/qdeclarativeengine.h>
#include <QtDeclarative/qdeclarativecontext.h>
#include <QtScript/qscriptvalue.h>
#include <QtScript/qscriptcontext.h>
#include <QtScript/qscriptengine.h>
#include <QtOpenGL/qgl.h>
#include <QtCore/qurl.h>
#include <QtCore/qfileinfo.h>
#include <QtCore/qdir.h>
#include <QtCore/qdiriterator.h>
#include <QtCore/qfile.h>
#include <QtCore/qdebug.h>
#include <QtCore/qeventloop.h>
#include <QtGui/qtextdocument.h>
#include <stdio.h>

QT_BEGIN_NAMESPACE

// Copied from qdeclarativedebughelper_p.h in Qt, to avoid a dependency
// on a private header from Qt.
class Q_DECLARATIVE_EXPORT QDeclarativeDebugHelper
{
public:
    static QScriptEngine *getScriptEngine(QDeclarativeEngine *engine);
    static void setAnimationSlowDownFactor(qreal factor);
    static void enableDebugging();
};

class QTestRootObject : public QObject
{
    Q_OBJECT
    Q_PROPERTY(bool windowShown READ windowShown NOTIFY windowShownChanged)
public:
    QTestRootObject(QObject *parent = 0)
        : QObject(parent), hasQuit(false), m_windowShown(false) {}

    bool hasQuit;

    bool windowShown() const { return m_windowShown; }
    void setWindowShown(bool value) { m_windowShown = value; emit windowShownChanged(); }

Q_SIGNALS:
    void windowShownChanged();

private Q_SLOTS:
    void quit() { hasQuit = true; }

private:
    bool m_windowShown;
};

int qtest_quick_main(int argc, char **argv, const char *name, qtest_create_viewport createViewport, const char *sourceDir)
{
    QApplication app(argc, argv);

    // Determine where to look for the test data.  If QTEST_QUICK_SOURCE_DIR
    // is set, then use that.  Otherwise scan the application's resources.
    QString testPath = QString::fromLocal8Bit(qgetenv("QTEST_QUICK_SOURCE_DIR"));
    if (testPath.isEmpty() && sourceDir)
        testPath = QString::fromLocal8Bit(sourceDir);
    if (testPath.isEmpty())
        testPath = QLatin1String(":/");

    // Scan the test data directory recursively, looking for "tst_*.qml" files.
    QStringList filters;
    filters += QLatin1String("tst_*.qml");
    QStringList files;
    QDirIterator iter(testPath, filters, QDir::Files,
                      QDirIterator::Subdirectories |
                      QDirIterator::FollowSymlinks);
    while (iter.hasNext())
        files += iter.next();
    files.sort();

    // Bail out if we didn't find any test cases.
    if (files.isEmpty()) {
        qWarning() << argv[0] << ": could not find any test cases under"
                   << testPath;
        return 1;
    }

    // Parse the command-line arguments.
    QuickTestResult::parseArgs(argc, argv);
    QuickTestResult::setProgramName(name);

    // Scan through all of the "tst_*.qml" files and run each of them
    // in turn with a QDeclarativeView.
    bool compileFail = false;
    foreach (QString file, files) {
        QFileInfo fi(file);
        if (!fi.exists())
            continue;
        QDeclarativeView view;
        QTestRootObject rootobj;
        QEventLoop eventLoop;
        QObject::connect(view.engine(), SIGNAL(quit()),
                         &rootobj, SLOT(quit()));
        QObject::connect(view.engine(), SIGNAL(quit()),
                         &eventLoop, SLOT(quit()));
        if (createViewport)
            view.setViewport((*createViewport)());
        view.rootContext()->setContextProperty
            (QLatin1String("qtest"), &rootobj);
        QScriptEngine *engine;
        engine = QDeclarativeDebugHelper::getScriptEngine(view.engine());
        QScriptValue qtObject
            = engine->globalObject().property(QLatin1String("Qt"));
        qtObject.setProperty
            (QLatin1String("qtest_wrapper"), engine->newVariant(true));
        QString path = fi.absoluteFilePath();
        if (path.startsWith(QLatin1String(":/")))
            view.setSource(QUrl(QLatin1String("qrc:") + path.mid(2)));
        else
            view.setSource(QUrl::fromLocalFile(path));
        if (view.status() == QDeclarativeView::Error) {
            // Error compiling the test - flag failure and continue.
            compileFail = true;
            continue;
        }
        if (!rootobj.hasQuit) {
            // If the test already quit, then it was performed
            // synchronously during setSource().  Otherwise it is
            // an asynchronous test and we need to show the window
            // and wait for the quit indication.
            view.show();
            QTest::qWaitForWindowShown(&view);
            rootobj.setWindowShown(true);
            if (!rootobj.hasQuit)
                eventLoop.exec();
        }
    }

    // Flush the current logging stream.
    QuickTestResult::setProgramName(0);

    // Return the number of failures as the exit code.
    int code = QuickTestResult::exitCode();
    if (!code && compileFail)
        ++code;
    return code;
}

QT_END_NAMESPACE

#include "quicktest.moc"