//
// Created by hyotiger on 12/14/18.
//

//
// Created by hyotiger on 12/13/18.
//

#include <stdio.h>
#include <stdarg.h>
#include "simplog.h"

static unsigned int simplog_run_level = SIMP_LOG_LVL_NEVER;

static const char * simplog_level_strings [] = {
        "NONE", // 0
        " ERR", // 1
        "WARN", // 2
        "INFO", // 3
        " DBG", // 4
        " ALL"   // 5
};

static void simplog_write(int level, const char *funcname, unsigned int linenum, const char *str, ...)
{
    va_list args;
    va_start(args, str);

    if ( level <= simplog_run_level) {
        char fmt[1024];
        snprintf(fmt, sizeof(fmt), "[%s %s:%d] %s\n", simplog_level_strings[level], funcname, linenum, str);
        vfprintf( stdout, fmt, args);
    }

    va_end( args );
}

static void simplog_set_loglevel(unsigned char level) {
    fprintf(stdout, "[SIMPLOG] LOG level is changed from %s to %s\n", simplog_level_strings[simplog_run_level], simplog_level_strings[level]);
    simplog_run_level = level;
}

simplelog_namespace const simplog = {
        .SetLogLevel = simplog_set_loglevel,
        .WriteLog = simplog_write,
};