#define _POSIX_C_SOURCE 200809L

#include "errors.h"

#include <errno.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include "../utils/time/fmt_time.h"
#include "logs.h"

// === Static variable

static struct logs_config config;

// === Functions

void errlog_init(bool enabled, int logfile_fd, struct server_config *serv_cfg)
{
    config.enabled = enabled;
    if (logfile_fd == STDOUT_FILENO)
        config.logfile_fd = STDERR_FILENO;
    config.logfile_fd = logfile_fd;
    config.server_cfg = serv_cfg;
}

void print_err(void)
{
    print_log_err("%s", get_err());
}

void print_log_err(char *format, ...)
{
    if (!config.enabled)
        return;

    // Log prefix (time and server name)
    char *time = get_time();
    dprintf(config.logfile_fd, "%s [%s] ERROR ", time,
            config.server_cfg->server_name);
    free(time);

    // Print actual log
    va_list args;
    va_start(args, format);
    vdprintf(config.logfile_fd, format, args);
    va_end(args);

    // New line
    dprintf(config.logfile_fd, "\n");

    // Print to stderr
    fprintf(stderr, "Error: %s", get_err());
}

char *get_err(void)
{
    return strerror(errno);
}