/*
 * Copyright (C) 2015-2017 Alibaba Group Holding Limited
 */
#include <common/bk_include.h>
#include "lite-log.h"
#include "utils_timer.h"
#include "bk_uart.h"
#include <os/os.h>

#if CONFIG_HTTP

void iotx_time_start(iotx_time_t *timer)
{
	if (!timer)
		return;

	timer->time = utils_time_get_ms();
}

uint32_t utils_time_spend(iotx_time_t *start)
{
	uint32_t now, res;

	if (!start)
		return 0;

	now = utils_time_get_ms();
	res = now - start->time;
	return res;
}

uint32_t iotx_time_left(iotx_time_t *end)
{
	uint32_t now, res;

	if (!end)
		return 0;

	if (utils_time_is_expired(end))
		return 0;

	now = utils_time_get_ms();
	res = end->time - now;
	return res;
}

uint32_t utils_time_is_expired(iotx_time_t *timer)
{
	uint32_t cur_time;

	if (!timer)
		return 1;

	cur_time = utils_time_get_ms();
	/*
	 *  WARNING: Do NOT change the following code until you know exactly what it do!
	 *
	 *  check whether it reach destination time or not.
	 */
	if ((cur_time - timer->time) < (UINT32_MAX / 2))
		return 1;
	else
		return 0;
}

void iotx_time_init(iotx_time_t *timer)
{
	if (!timer)
		return;

	timer->time = 0;
}

void utils_time_countdown_ms(iotx_time_t *timer, uint32_t millisecond)
{
	if (!timer)
		return;

	timer->time = utils_time_get_ms() + millisecond;
}

uint32_t utils_time_get_ms(void)
{

	return rtos_get_time();
}

uint32_t utils_time_left(uint32_t t_end, uint32_t t_now)
{
	int32_t left;
	left = (t_end - t_now);
	if (left < 0)
		left = 0;
	return  left;
}
#endif