pc-system/logger.h

#ifndef LOGGER_H
#define LOGGER_H

#include <QDateTime>
#include <QFile>
#include <QMutex>
#include <QScopedPointer>
#include <QString>
#include <QTextStream>

class Logger {
   public:
    enum LogLevel { Debug, Info, Warning, Error, Critical };

    // Public static method to get the single instance of the Logger
    static Logger &getInstance(const QString &filePath = "");

    // Direct logging methods
    void debug(const QString &message);
    void info(const QString &message);
    void warn(const QString &message);
    void error(const QString &message);
    void critical(const QString &message);

    void setMaxFileSize(qint64 bytes);
    void setMaxBackupFiles(int count);

    // Make the destructor public so QScopedPointer can call it
    ~Logger();  // <-- CHANGE THIS LINE: MOVED FROM PRIVATE TO PUBLIC

   private:
    // Private constructor to prevent direct instantiation
    explicit Logger(const QString &filePath);

    // Delete copy constructor and assignment operator to prevent copying
    Logger(const Logger &) = delete;
    Logger &operator=(const Logger &) = delete;

    QFile m_logFile;
    QTextStream m_textStream;
    QMutex m_mutex;
    qint64 m_maxFileSize;
    int m_maxBackupFiles;

    void writeLog(LogLevel level, const QString &message);
    void rotateLogFile();
    QString logLevelToString(LogLevel level) const;

    // Static members for the singleton instance
    static QScopedPointer<Logger> m_instance;
    static QMutex m_instanceMutex;
};

#endif  // LOGGER_H