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#include "../include/odhtdb/Log.hpp"
#include <cstdarg>
#include <mutex>

namespace odhtdb
{
    // TODO: Add color (if output is tty)?
    static std::mutex mutexLog;
    
    void Log::debug(const char *fmt, ...)
    {
        std::lock_guard<std::mutex> lock(mutexLog);
        va_list args;
        va_start(args, fmt);
        fputs("\033[1;32mDebug:\033[0m ", stdout);
        vfprintf(stdout, fmt, args);
        fputs("\n", stdout);
        va_end(args);
    }
    
    void Log::warn(const char *fmt, ...)
    {
        std::lock_guard<std::mutex> lock(mutexLog);
        va_list args;
        va_start(args, fmt);
        fputs("\033[1;33mWarning:\033[0m ", stdout);
        vfprintf(stdout, fmt, args);
        fputs("\n", stdout);
        va_end(args);
    }
    
    void Log::error(const char *fmt, ...)
    {
        std::lock_guard<std::mutex> lock(mutexLog);
        va_list args;
        va_start(args, fmt);
        fputs("\033[1;31mError:\033[0m ", stderr);
        vfprintf(stderr, fmt, args);
        fputs("\n", stderr);
        va_end(args);
    }
}