#ifndef LOGMANAGER_H
#define LOGMANAGER_H

#include <QObject>
#include <QString>
#include <QStringList>
#include <QFile>
#include <functional>

class LogManager : public QObject
{
    Q_OBJECT

public:
    static LogManager &instance() {
        static LogManager instance;
        return instance;
    }

    // Standard logging
    void addEntry(const QString &entry);
    void addError(const QString &error);
    void addLine();

    // Debug logging - only logs if debug mode enabled
    void debug(const QString &entry);

    // Set debug mode checker (called from Settings initialization)
    void setDebugChecker(std::function<bool()> checker);

    // Set log-to-file checker (called from Settings initialization)
    void setLogToFileChecker(std::function<bool()> checker);

    // Call this after connecting to entryAdded signal to replay buffered entries
    void flushBufferedEntries();

signals:
    void entryAdded(const QString &entry);

private:
    LogManager() : m_debugChecker(nullptr), m_logToFileChecker(nullptr), m_logFile(nullptr), m_hasListeners(false) {}
    ~LogManager();

    void writeToFile(const QString &entry);
    void emitOrBuffer(const QString &entry);

    std::function<bool()> m_debugChecker;
    std::function<bool()> m_logToFileChecker;
    QFile *m_logFile;
    QStringList m_bufferedEntries;
    bool m_hasListeners;

    Q_DISABLE_COPY(LogManager)
};

#endif // LOGMANAGER_H