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** License Agreement, Agreement version 2.2 provided with the Software or,
** alternatively, in accordance with the terms contained in a written
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** GNU General Public License Usage
**
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** Public License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the packaging
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#include "cppfilewizard.h"
#include "cppeditor.h"
#include "cppeditorconstants.h"

#include <QtCore/QTextStream>
#include <QtCore/QFileInfo>
#include <QtCore/QDebug>

using namespace CppEditor;
using namespace CppEditor::Internal;

enum { debugWizard = 0 };

CppFileWizard::CppFileWizard(const BaseFileWizardParameters &parameters,
                             FileType type,
                             QObject *parent) :
    Core::StandardFileWizard(parameters, parent),
    m_type(type)
{
}

QString CppFileWizard::toAlphaNum(const QString &s)
{
    QString rc;
    const int len = s.size();
    const QChar underscore =  QLatin1Char('_');

    for (int i = 0; i < len; i++) {
        const QChar c = s.at(i);
        if (c == underscore || c.isLetterOrNumber())
            rc += c;
    }
    return rc;
}

Core::GeneratedFiles CppFileWizard::generateFilesFromPath(const QString &path,
                                                          const QString &name,
                                                          QString * /*errorMessage*/) const

{
    const QString mimeType = m_type == Source ? QLatin1String(Constants::CPP_SOURCE_MIMETYPE) : QLatin1String(Constants::CPP_HEADER_MIMETYPE);
    const QString fileName = Core::BaseFileWizard::buildFileName(path, name, preferredSuffix(mimeType));
    Core::GeneratedFile file(fileName);
    file.setEditorKind(QLatin1String(Constants::C_CPPEDITOR));
    const QString cleanName = toAlphaNum(QFileInfo(name).baseName());

    file.setContents(fileContents(m_type, fileName));
    return Core::GeneratedFiles() << file;
}

QString CppFileWizard::fileContents(FileType type, const QString &fileName) const
{
    const QString baseName = QFileInfo(fileName).baseName();
    QString contents;
    QTextStream str(&contents);
    switch (type) {
    case Header: {
            QString guard = toAlphaNum(baseName).toUpper();
            guard += QLatin1String("_H");
            str << QLatin1String("#ifndef ") << guard
                << QLatin1String("\n#define ") <<  guard <<  QLatin1String("\n\n#endif // ")
                << guard << QLatin1String("\n");
        }
        break;
    case Source:
        str << QLatin1String("#include \"") <<  baseName << '.' << preferredSuffix(QLatin1String(Constants::CPP_HEADER_MIMETYPE)) << QLatin1String("\"\n\n");
        break;
    }
    return contents;
}