Logger.h

// Copyright(c) 2019 - 2020, #Momo
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#pragma once

#include <iostream>
#include <string>

#include "Utilities/SingletonHolder/SingletonHolder.h"
#include "Utilities/Format/Format.h"

namespace MxEngine
{
    class LoggerImpl
    {
        std::ostream* error   = &std::cout;
        std::ostream* debug   = &std::cout;
        std::ostream* warning = &std::cout;
        bool useDebug = true;
        bool useWarning = true;
        bool useError = true;
        bool useStackTrace = true;
    public:
        LoggerImpl() = default;
        LoggerImpl(const LoggerImpl&) = delete;
        LoggerImpl(LoggerImpl&&) = delete;

        void Error  (const MxString& invoker, const MxString& message) const;
        void Debug  (const MxString& invoker, const MxString& message) const;
        void Warning(const MxString& invoker, const MxString& message) const;
        void StackTrace() const;
        LoggerImpl& UseErrorStream(std::ostream* error);
        LoggerImpl& UseWarningStream(std::ostream* warning);
        LoggerImpl& UseDebugStream(std::ostream* debug);
        LoggerImpl& UseDebug(bool value = true);
        LoggerImpl& UseWarning(bool value = true);
        LoggerImpl& UseError(bool value = true);
        LoggerImpl& UseStackTrace(bool value = true);
    };

    using Logger = SingletonHolder<LoggerImpl>;

    // macro for fast debug messages insert. Prints warnings in format [MX_DBG Warning]: { your message }
    #define MX_DBG(msg) Logger::Instance().Warning("MX_DBG", msg)
}