/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** 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
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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****************************************************************************/

#include "cppprojectfile.h"

#include "cpptoolsconstants.h"

#include <coreplugin/icore.h>
#include <utils/mimetypes/mimedatabase.h>
#
#include <QDebug>

namespace CppTools {

ProjectFile::ProjectFile()
    : kind(CHeader)
{
}

ProjectFile::ProjectFile(const QString &file, Kind kind)
    : path(file)
    , kind(kind)
{
}

ProjectFile::Kind ProjectFile::classify(const QString &file)
{
    Utils::MimeDatabase mdb;
    const Utils::MimeType mimeType = mdb.mimeTypeForFile(file);
    if (!mimeType.isValid())
        return Unclassified;
    const QString mt = mimeType.name();
    if (mt == QLatin1String(CppTools::Constants::C_SOURCE_MIMETYPE))
        return CSource;
    if (mt == QLatin1String(CppTools::Constants::C_HEADER_MIMETYPE))
        return CHeader;
    if (mt == QLatin1String(CppTools::Constants::CPP_SOURCE_MIMETYPE))
        return CXXSource;
    if (mt == QLatin1String(CppTools::Constants::CPP_HEADER_MIMETYPE))
        return CXXHeader;
    if (mt == QLatin1String(CppTools::Constants::OBJECTIVE_C_SOURCE_MIMETYPE))
        return ObjCSource;
    if (mt == QLatin1String(CppTools::Constants::OBJECTIVE_CPP_SOURCE_MIMETYPE))
        return ObjCXXSource;
    if (mt == QLatin1String(CppTools::Constants::QDOC_MIMETYPE))
        return CXXSource;
    if (mt == QLatin1String(CppTools::Constants::MOC_MIMETYPE))
        return CXXSource;
    return Unclassified;
}

/// @return True if file is header or cannot be classified (i.e has no file extension)
bool ProjectFile::isHeader(ProjectFile::Kind kind)
{
    switch (kind) {
    case ProjectFile::CHeader:
    case ProjectFile::CXXHeader:
    case ProjectFile::ObjCHeader:
    case ProjectFile::ObjCXXHeader:
    case ProjectFile::Unclassified:
        return true;
    default:
        return false;
    }
}

/// @return True if file is correctly classified source
bool ProjectFile::isSource(ProjectFile::Kind kind)
{
    switch (kind) {
    case ProjectFile::CSource:
    case ProjectFile::CXXSource:
    case ProjectFile::ObjCSource:
    case ProjectFile::ObjCXXSource:
    case ProjectFile::CudaSource:
    case ProjectFile::OpenCLSource:
        return true;
    default:
        return false;
    }
}

QDebug operator<<(QDebug stream, const CppTools::ProjectFile &cxxFile)
{
    const char *kind;
    switch (cxxFile.kind) {
    case CppTools::ProjectFile::CHeader: kind = "CHeader"; break;
    case CppTools::ProjectFile::CSource: kind = "CSource"; break;
    case CppTools::ProjectFile::CXXHeader: kind = "CXXHeader"; break;
    case CppTools::ProjectFile::CXXSource: kind = "CXXSource"; break;
    case CppTools::ProjectFile::ObjCHeader: kind = "ObjCHeader"; break;
    case CppTools::ProjectFile::ObjCSource: kind = "ObjCSource"; break;
    case CppTools::ProjectFile::ObjCXXHeader: kind = "ObjCXXHeader"; break;
    case CppTools::ProjectFile::ObjCXXSource: kind = "ObjCXXSource"; break;
    case CppTools::ProjectFile::CudaSource: kind = "CudaSource"; break;
    case CppTools::ProjectFile::OpenCLSource: kind = "OpenCLSource"; break;
    default: kind = "INVALID"; break;
    }
    stream << cxxFile.path << QLatin1String(", ") << kind;
    return stream;
}

} // namespace CppTools