#pragma once

#include <QMutex>
//#include <QList>
#include <QObject>

class LogManager : public QObject
{
    Q_OBJECT

public:
    static LogManager *GetInstance() {
        if(!m_pInstance)
        {
            m_mutex.lock();
            if(!m_pInstance)
            {
                m_pInstance = new LogManager();
            }
            m_mutex.unlock();
        }
        return m_pInstance;
    }

    LogManager(const LogManager&)= delete;
    LogManager& operator=(const LogManager&)= delete;

    void addLog(QString file, int line, QString func, int level, QString log);
    void addRepeatFiltedLog(QString file, int line, QString func, int level, QString log);
    bool isSameLog(QString file, int line, QString func, int level, QString log);
    QString buildLogString(QString file, int line, QString func, int level, QString log);

signals:
    void logAdded(QString log);

private:
    LogManager() : m_lastFile(""), m_lastLine(0), m_lastFunc(""), m_lastLevel(0), m_lastLog(""), m_lastTimes(0)
    {
    };

private:
    static LogManager *m_pInstance;
    static QMutex m_mutex;

    // 保存最后一次日志内容，批量消息时可节省控件
    QString m_lastFile;
    int m_lastLine;
    QString m_lastFunc;
    int m_lastLevel;
    QString m_lastLog;
    unsigned int m_lastTimes;

    //QList<QString> m_logList;


private:
    // 垃圾回收类，它的唯一工作就是在析构函数中删除DeviceFactory的实例
    class Garbo
    {
    public:
        ~Garbo()
        {
            if (LogManager::m_pInstance)
            {
                // 销毁设备管理单例实例
                delete LogManager::m_pInstance;
            }
        }
    };
    // 定义一个静态成员，在程序结束时，系统会调用它的析构函数
    static Garbo m_Garbo;
};

#define logDebug(log) LogManager::GetInstance()->addLog(__FILE__, __LINE__, __FUNCTION__, 0, log)
#define logInfo(log) LogManager::GetInstance()->addLog(__FILE__, __LINE__, __FUNCTION__, 1, log)
#define logWarn(log) LogManager::GetInstance()->addLog(__FILE__, __LINE__, __FUNCTION__, 2, log)
#define logError(log) LogManager::GetInstance()->addLog(__FILE__, __LINE__, __FUNCTION__, 3, log)