/* Copyright JS Foundation and other contributors, http://js.foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#define _BSD_SOURCE
#include <stdarg.h>
#include <stdlib.h>
#include <sys/time.h>

#include "jerry-core/jerry-port.h"

#include "us_ticker_api.h"

#ifndef JSMBED_OVERRIDE_JERRY_PORT_CONSOLE
/**
 * Provide console message implementation for the engine.
 */
void
jerry_port_console (const char *format, /**< format string */
                    ...) /**< parameters */
{
  va_list args;
  va_start (args, format);
  vfprintf (stdout, format, args);
  va_end (args);

  if (strlen (format) == 1 && format[0] == 0x0a) /* line feed (\n) */
  {
    printf ("\r"); /* add CR for proper display in serial monitors */
  }
} /* jerry_port_console */
#endif /* JSMBED_OVERRIDE_JERRY_PORT_CONSOLE */

#ifndef JSMBED_OVERRIDE_JERRY_PORT_LOG
/**
 * Provide log message implementation for the engine.
 */
void
jerry_port_log (jerry_log_level_t level, /**< log level */
                const char *format, /**< format string */
                ...)  /**< parameters */
{
  (void) level; /* ignore log level */

  va_list args;
  va_start (args, format);
  vfprintf (stderr, format, args);
  va_end (args);

  if (strlen (format) == 1 && format[0] == 0x0a) /* line feed (\n) */
  {
    printf ("\r"); /* add CR for proper display in serial monitors */
  }
} /* jerry_port_log */
#endif /* JSMBED_OVERRIDE_JERRY_PORT_LOG */

/**
 * Implementation of jerry_port_fatal.
 */
void
jerry_port_fatal (jerry_fatal_code_t code) /**< fatal code enum item */
{
  exit (code);
} /* jerry_port_fatal */

/**
 * Implementation of jerry_port_get_time_zone.
 *
 * @return true - if success
 */
bool
jerry_port_get_time_zone (jerry_time_zone_t *tz_p) /**< timezone pointer */
{
  tz_p->offset = 0;
  tz_p->daylight_saving_time = 0;
  return true;
} /* jerry_port_get_time_zone */

/**
 * Implementation of jerry_port_get_current_time.
 *
 * @return current timer's counter value in microseconds
 */
double
jerry_port_get_current_time ()
{
  return (double) us_ticker_read ();
} /* jerry_port_get_current_time */