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#include "modelmanagertesthelper.h"

#include "cppworkingcopy.h"

#include <QtTest>

#include <cassert>

Q_DECLARE_METATYPE(QSet<QString>)

using namespace CppTools::Internal;

TestProject::TestProject(const QString &name, QObject *parent)
    : m_name (name)
{
    setParent(parent);
    setId(Core::Id::fromString(name));
    qRegisterMetaType<QSet<QString> >();
}

TestProject::~TestProject()
{
}

ModelManagerTestHelper::ModelManagerTestHelper(QObject *parent) :
    QObject(parent)

{
    CppModelManager *mm = CppModelManager::instance();
    assert(mm);

    connect(this, SIGNAL(aboutToRemoveProject(ProjectExplorer::Project*)),
            mm, SLOT(onAboutToRemoveProject(ProjectExplorer::Project*)));
    connect(this, SIGNAL(projectAdded(ProjectExplorer::Project*)),
            mm, SLOT(onProjectAdded(ProjectExplorer::Project*)));
    connect(mm, SIGNAL(sourceFilesRefreshed(QSet<QString>)),
            this, SLOT(sourceFilesRefreshed(QSet<QString>)));
    connect(mm, SIGNAL(gcFinished()), this, SLOT(gcFinished()));

    cleanup();
    verifyClean();
}

ModelManagerTestHelper::~ModelManagerTestHelper()
{
    cleanup();
    verifyClean();
}

void ModelManagerTestHelper::cleanup()
{
    CppModelManager *mm = CppModelManager::instance();
    assert(mm);

    QList<ProjectInfo> pies = mm->projectInfos();
    foreach (const ProjectInfo &pie, pies)
        emit aboutToRemoveProject(pie.project().data());

    if (!pies.isEmpty())
        waitForFinishedGc();
}

void ModelManagerTestHelper::verifyClean()
{
    CppModelManager *mm = CppModelManager::instance();
    assert(mm);

    QVERIFY(mm->projectInfos().isEmpty());
    QVERIFY(mm->headerPaths().isEmpty());
    QVERIFY(mm->definedMacros().isEmpty());
    QVERIFY(mm->projectFiles().isEmpty());
    QVERIFY(mm->snapshot().isEmpty());
    QCOMPARE(mm->workingCopy().size(), 1);
    QVERIFY(mm->workingCopy().contains(mm->configurationFileName()));
}

ModelManagerTestHelper::Project *ModelManagerTestHelper::createProject(const QString &name)
{
    TestProject *tp = new TestProject(name, this);
    emit projectAdded(tp);
    return tp;
}

void ModelManagerTestHelper::resetRefreshedSourceFiles()
{
    m_lastRefreshedSourceFiles.clear();
    m_refreshHappened = false;
}

QSet<QString> ModelManagerTestHelper::waitForRefreshedSourceFiles()
{
    while (!m_refreshHappened)
        QCoreApplication::processEvents();

    return m_lastRefreshedSourceFiles;
}

void ModelManagerTestHelper::waitForFinishedGc()
{
    m_gcFinished = false;

    while (!m_gcFinished)
        QCoreApplication::processEvents();
}

void ModelManagerTestHelper::sourceFilesRefreshed(const QSet<QString> &files)
{
    m_lastRefreshedSourceFiles = files;
    m_refreshHappened = true;
}

void ModelManagerTestHelper::gcFinished()
{
    m_gcFinished = true;
}