log_event.h

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// Log event with metadata
// Author: Max Schwarz <max.schwarz@ais.uni-bonn.de>

#ifndef ROSMON_LOG_EVENT_H
#define ROSMON_LOG_EVENT_H

#include <string>
#include <sstream>

namespace rosmon
{

struct LogEvent
{
public:
        enum class Type
        {
                Raw,

                Debug,
                Info,
                Warning,
                Error
        };

        enum class Channel
        {
                NotApplicable,
                Stdout,
                Stderr
        };

        LogEvent(std::string source, std::string message, Type type = Type::Raw)
         : source{std::move(source)}, message{std::move(message)}, type{type}
        {}

        std::string coloredString() const
        {
                auto colorize = [](const char* prefix, const std::string& str){
                        std::stringstream ss;
                        ss << prefix << str << "\e[0m";
                        return ss.str();
                };

                switch(type)
                {
                        case Type::Raw: return message;
                        case Type::Debug: return colorize("\e[32m", message);
                        case Type::Info: return colorize("\e[0m", message);
                        case Type::Warning: return colorize("\e[33m", message);
                        case Type::Error: return colorize("\e[31m", message);
                }

                return message;
        }

        std::string source;
        std::string message;
        Type type;
        bool muted = false;
        Channel channel = Channel::NotApplicable;
        bool showStdout = true;
};

}

#endif