/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/

#include "cpptoolsplugin.h"

#include "cpppreprocessor.h"
#include "modelmanagertesthelper.h"

#include <QDebug>
#include <QFileInfo>
#include <QtTest>

using namespace CppTools::Internal;

typedef CPlusPlus::Document Document;
typedef CppTools::CppModelManagerInterface::ProjectInfo ProjectInfo;
typedef CppTools::ProjectPart ProjectPart;
typedef CppTools::ProjectFile ProjectFile;
typedef ProjectExplorer::Project Project;

namespace {

class TestDataDirectory
{
public:
    TestDataDirectory(const QString &testDataDirectory)
        : m_testDataDirectory(QLatin1String(SRCDIR "/../../../tests/cppmodelmanager/")
                              + testDataDirectory)
    {
        QFileInfo testDataDir(m_testDataDirectory);
        QVERIFY(testDataDir.exists());
        QVERIFY(testDataDir.isDir());
    }


    QString includeDir(bool cleaned = true) const
    {
        return testDataDir(QLatin1String("include"), cleaned);
    }

    QString frameworksDir(bool cleaned = true) const
    {
        return testDataDir(QLatin1String("frameworks"), cleaned);
    }

    QString fileFromSourcesDir(const QString &fileName) const
    {
        return testDataDir(QLatin1String("sources")) + fileName;
    }

    /// File from the test data directory (top leve)
    QString file(const QString &fileName) const
    {
        return testDataDir(QString()) + fileName;
    }

private:
    QString testDataDir(const QString& subdir, bool cleaned = true) const
    {
        QString path = m_testDataDirectory;
        if (!subdir.isEmpty())
            path += QLatin1String("/") + subdir;
        if (cleaned)
            return CppPreprocessor::cleanPath(path);
        else
            return path;
    }

private:
    const QString m_testDataDirectory;
};

} // anonymous namespace

void CppToolsPlugin::test_modelmanager_paths()
{
    ModelManagerTestHelper helper;
    CppModelManager *mm = CppModelManager::instance();

    const TestDataDirectory testDataDir(QLatin1String("testdata"));

    Project *project = helper.createProject(QLatin1String("test_modelmanager_paths"));
    ProjectInfo pi = mm->projectInfo(project);
    QCOMPARE(pi.project().data(), project);

    ProjectPart::Ptr part(new ProjectPart);
    pi.appendProjectPart(part);
    part->cxxVersion = ProjectPart::CXX98;
    part->qtVersion = ProjectPart::Qt5;
    part->defines = QByteArray("#define OH_BEHAVE -1\n");
    part->includePaths = QStringList() << testDataDir.includeDir(false);
    part->frameworkPaths = QStringList() << testDataDir.frameworksDir(false);

    mm->updateProjectInfo(pi);

    QStringList includePaths = mm->includePaths();
    QCOMPARE(includePaths.size(), 1);
    QVERIFY(includePaths.contains(testDataDir.includeDir()));

    QStringList frameworkPaths = mm->frameworkPaths();
    QCOMPARE(frameworkPaths.size(), 1);
    QVERIFY(frameworkPaths.contains(testDataDir.frameworksDir()));
}

void CppToolsPlugin::test_modelmanager_framework_headers()
{
    ModelManagerTestHelper helper;
    CppModelManager *mm = CppModelManager::instance();

    const TestDataDirectory testDataDir(QLatin1String("testdata"));

    Project *project = helper.createProject(QLatin1String("test_modelmanager_framework_headers"));
    ProjectInfo pi = mm->projectInfo(project);
    QCOMPARE(pi.project().data(), project);

    ProjectPart::Ptr part(new ProjectPart);
    pi.appendProjectPart(part);
    part->cxxVersion = ProjectPart::CXX98;
    part->qtVersion = ProjectPart::Qt5;
    part->defines = QByteArray("#define OH_BEHAVE -1\n");
    part->includePaths << testDataDir.includeDir();
    part->frameworkPaths << testDataDir.frameworksDir();
    const QString &source = testDataDir.fileFromSourcesDir(
        QLatin1String("test_modelmanager_framework_headers.cpp"));
    part->files << ProjectFile(source, ProjectFile::CXXSource);

    mm->updateProjectInfo(pi);
    mm->updateSourceFiles(QStringList(source)).waitForFinished();
    QCoreApplication::processEvents();

    QVERIFY(mm->snapshot().contains(source));
    Document::Ptr doc = mm->snapshot().document(source);
    QVERIFY(!doc.isNull());
    CPlusPlus::Namespace *ns = doc->globalNamespace();
    QVERIFY(ns);
    QVERIFY(ns->memberCount() > 0);
    for (unsigned i = 0, ei = ns->memberCount(); i < ei; ++i) {
        CPlusPlus::Symbol *s = ns->memberAt(i);
        QVERIFY(s);
        QVERIFY(s->name());
        const CPlusPlus::Identifier *id = s->name()->asNameId();
        QVERIFY(id);
        QByteArray chars = id->chars();
        QVERIFY(chars.startsWith("success"));
    }
}

/// QTCREATORBUG-9056
void CppToolsPlugin::test_modelmanager_refresh_1()
{
    ModelManagerTestHelper helper;
    CppModelManager *mm = CppModelManager::instance();

    const TestDataDirectory testDataDir(QLatin1String("testdata"));

    const QString testCpp(testDataDir.fileFromSourcesDir(
        QLatin1String("test_modelmanager_refresh.cpp")));
    const QString testHeader(testDataDir.fileFromSourcesDir(
        QLatin1String("test_modelmanager_refresh.h")));

    Project *project = helper.createProject(QLatin1String("test_modelmanager_refresh_1"));
    ProjectInfo pi = mm->projectInfo(project);
    QCOMPARE(pi.project().data(), project);

    ProjectPart::Ptr part(new ProjectPart);
    pi.appendProjectPart(part);
    part->cxxVersion = ProjectPart::CXX98;
    part->qtVersion = ProjectPart::Qt5;
    part->defines = QByteArray("#define OH_BEHAVE -1\n");
    part->includePaths = QStringList() << testDataDir.includeDir(false);
    part->files.append(ProjectFile(testCpp, ProjectFile::CXXSource));

    mm->updateProjectInfo(pi);
    mm->updateSourceFiles(QStringList() << testCpp);

    QStringList refreshedFiles = helper.waitForRefreshedSourceFiles();

    QCOMPARE(refreshedFiles.size(), 1);
    QVERIFY(refreshedFiles.contains(testCpp));
    CPlusPlus::Snapshot snapshot = mm->snapshot();
    QVERIFY(snapshot.contains(testHeader));
    QVERIFY(snapshot.contains(testCpp));

    part->defines = QByteArray();
    mm->updateProjectInfo(pi);
    snapshot = mm->snapshot();
    QVERIFY(!snapshot.contains(testHeader));
    QVERIFY(!snapshot.contains(testCpp));

    mm->updateSourceFiles(QStringList() << testCpp);
    refreshedFiles = helper.waitForRefreshedSourceFiles();

    QCOMPARE(refreshedFiles.size(), 1);
    QVERIFY(refreshedFiles.contains(testCpp));
    snapshot = mm->snapshot();
    QVERIFY(snapshot.contains(testHeader));
    QVERIFY(snapshot.contains(testCpp));
}

/// QTCREATORBUG-9205
void CppToolsPlugin::test_modelmanager_refresh_2()
{
    ModelManagerTestHelper helper;
    CppModelManager *mm = CppModelManager::instance();

    const TestDataDirectory testDataDir(QLatin1String("testdata_refresh"));

    const QString testHeader1(testDataDir.file(QLatin1String("defines.h")));
    const QString testHeader2(testDataDir.file(QLatin1String("header.h")));
    const QString testCpp(testDataDir.file(QLatin1String("source.cpp")));

    Project *project = helper.createProject(QLatin1String("test_modelmanager_refresh_2"));
    ProjectInfo pi = mm->projectInfo(project);
    QCOMPARE(pi.project().data(), project);

    ProjectPart::Ptr part(new ProjectPart);
    pi.appendProjectPart(part);
    part->cxxVersion = ProjectPart::CXX98;
    part->qtVersion = ProjectPart::Qt5;
    part->files.append(ProjectFile(testHeader1, ProjectFile::CXXHeader));
    part->files.append(ProjectFile(testHeader2, ProjectFile::CXXHeader));
    part->files.append(ProjectFile(testCpp, ProjectFile::CXXSource));

    mm->updateProjectInfo(pi);

    CPlusPlus::Snapshot snapshot;
    QStringList refreshedFiles;
    CPlusPlus::Document::Ptr document;

    for (int i = 0; i < 2; ++i) {
        mm->updateSourceFiles(QStringList() << testHeader1 << testHeader2 << testCpp);
        refreshedFiles = helper.waitForRefreshedSourceFiles();

        QCOMPARE(refreshedFiles.size(), 3);
        QVERIFY(refreshedFiles.contains(testHeader1));
        QVERIFY(refreshedFiles.contains(testHeader2));
        QVERIFY(refreshedFiles.contains(testCpp));

        snapshot = mm->snapshot();
        QVERIFY(snapshot.contains(testHeader1));
        QVERIFY(snapshot.contains(testHeader2));
        QVERIFY(snapshot.contains(testCpp));

        // No diagnostic messages expected
        document = snapshot.document(testHeader1);
        QVERIFY(document->diagnosticMessages().isEmpty());

        document = snapshot.document(testHeader2);
        QVERIFY(document->diagnosticMessages().isEmpty());

        document = snapshot.document(testCpp);
        QVERIFY(document->diagnosticMessages().isEmpty());
    }
}