#ifndef I_LOG_H
#define I_LOG_H
// #include "VReturnCode.h"
#include <iostream>
#include <memory>
class ILog
{
public:
    /**
     * @brief Get the Instance object
     * Return reference for runing faster. Usage : ILog::GetInstance()->Init();
     * Don't use ILog like this:
     * std::shared_ptr<ILog> &log = ILog::GetInstance(); or std::shared_ptr<ILog> log = ILog::GetInstance();
     * log->Log("Your log.");
     * @param impl Change the instance.
     * @return std::shared_ptr<ILog>&
     */
    static std::shared_ptr<ILog> &GetInstance(std::shared_ptr<ILog> *impl = nullptr);
    ILog() = default;
    virtual ~ILog() = default;
    virtual bool Init() { return false; }
    virtual bool UnInit() { return false; }
    /**
     * @brief
     * If the Log module is working.
     * @return true
     * @return false
     */
    virtual bool IsWorking() { return false; }
    /**
     * @brief
     * Virtual log function.
     * @param buff
     * @return int
     */
    virtual int Log(const char *buff) { return 0; }

    virtual int InFo(const char *buff) { return 0; }

    virtual int Warning(const char *buff) { return 0; }

    virtual int Error(const char *buff) { return 0; }

    virtual int Trace(const char *buff) { return 0; }

    virtual int Debug(const char *buff) { return 0; }
};
#endif