/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
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** accordance with the commercial license agreement provided with the
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** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
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#include "modelmanagertesthelper.h"

#include "cpptoolstestcase.h"
#include "cppworkingcopy.h"
#include "projectinfo.h"

#include <QtTest>

#include <cassert>

using namespace CppTools::Internal;
using namespace CppTools::Tests;

TestProject::TestProject(const QString &name, QObject *parent) :
    ProjectExplorer::Project("x-binary/foo", Utils::FileName()),
    m_name(name)
{
    setParent(parent);
    setId(Core::Id::fromString(name));
    setDisplayName(name);
    qRegisterMetaType<QSet<QString> >();
}

ModelManagerTestHelper::ModelManagerTestHelper(QObject *parent,
                                               bool testOnlyForCleanedProjects)
    : QObject(parent)
    , m_testOnlyForCleanedProjects(testOnlyForCleanedProjects)

{
    CppModelManager *mm = CppModelManager::instance();
    connect(this, &ModelManagerTestHelper::aboutToRemoveProject,
            mm, &CppModelManager::onAboutToRemoveProject);
    connect(this, &ModelManagerTestHelper::projectAdded,
            mm, &CppModelManager::onProjectAdded);
    connect(mm, &CppModelManager::sourceFilesRefreshed,
            this, &ModelManagerTestHelper::sourceFilesRefreshed);
    connect(mm, &CppModelManager::gcFinished,
            this, &ModelManagerTestHelper::gcFinished);

    cleanup();
    QVERIFY(Tests::VerifyCleanCppModelManager::isClean(m_testOnlyForCleanedProjects));
}

ModelManagerTestHelper::~ModelManagerTestHelper()
{
    cleanup();
    QVERIFY(Tests::VerifyCleanCppModelManager::isClean(m_testOnlyForCleanedProjects));
}

void ModelManagerTestHelper::cleanup()
{
    CppModelManager *mm = CppModelManager::instance();
    QList<ProjectInfo> pies = mm->projectInfos();
    foreach (const ProjectInfo &pie, pies)
        emit aboutToRemoveProject(pie.project().data());

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

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

QSet<QString> ModelManagerTestHelper::updateProjectInfo(const CppTools::ProjectInfo &projectInfo)
{
    resetRefreshedSourceFiles();
    QFutureInterface<void> dummy;
    CppModelManager::instance()->updateProjectInfo(dummy, projectInfo).waitForFinished();
    QCoreApplication::processEvents();
    return waitForRefreshedSourceFiles();
}

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;
}