/****************************************************************************
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** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qbs.
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** $QT_BEGIN_LICENSE:LGPL$
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
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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 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
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****************************************************************************/
#ifndef QBS_ILOGSINK_H
#define QBS_ILOGSINK_H

#include "../tools/qbs_export.h"

#include <QtCore/qstring.h>

#include <memory>

namespace qbs {
class ErrorInfo;

enum LoggerLevel
{
    LoggerMinLevel,
    LoggerError = LoggerMinLevel,
    LoggerWarning,
    LoggerInfo,
    LoggerDebug,
    LoggerTrace,
    LoggerMaxLevel = LoggerTrace
};

inline LoggerLevel defaultLogLevel() { return LoggerInfo; }
QBS_EXPORT QString logLevelTag(LoggerLevel level);
QBS_EXPORT QString logLevelName(LoggerLevel level);

class QBS_EXPORT ILogSink
{
    Q_DISABLE_COPY(ILogSink)
public:
    ILogSink();
    virtual ~ILogSink();

    void setLogLevel(LoggerLevel level);
    LoggerLevel logLevel() const;

    bool willPrint(LoggerLevel level) const { return level <= logLevel(); }

    void printWarning(const ErrorInfo &warning);
    void printError(const ErrorInfo &error);
    void printMessage(LoggerLevel level, const QString &message,
                      const QString &tag = QString(), bool force = false);

private:
    virtual void doPrintWarning(const ErrorInfo &warning);
    virtual void doPrintError(const ErrorInfo &error);
    virtual void doPrintMessage(LoggerLevel level, const QString &message,
                                const QString &tag) = 0;

    class ILogSinkPrivate;
    const std::unique_ptr<ILogSinkPrivate> d;
};

} // namespace qbs

#endif // Include guard
