/*
 * Copyright (c) 2017 Samsung Electronics Co., Ltd All Rights Reserved
 *
 * Contact: Jin Yoon <jinny.yoon@samsung.com>
 *
 * 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.
 */

#include <tizen.h>
#include <service_app.h>
#include <unistd.h>
#include <glib.h>
#include <peripheral_io.h>

#include "thing_toggler.h"

#define GPIO_NUM 25

bool service_app_create(void *data)
{
    // Todo: add your code here.
    return true;
}

void service_app_terminate(void *data)
{
    // Todo: add your code here.
}

void service_app_control(app_control_h app_control, void *data)
{
    // Todo: add your code here.
}

static void service_app_lang_changed(app_event_info_h event_info, void *user_data)
{
	/*APP_EVENT_LANGUAGE_CHANGED*/
}

static void service_app_region_changed(app_event_info_h event_info, void *user_data)
{
	/*APP_EVENT_REGION_FORMAT_CHANGED*/
}

static void service_app_low_battery(app_event_info_h event_info, void *user_data)
{
	/*APP_EVENT_LOW_BATTERY*/
}

static void service_app_low_memory(app_event_info_h event_info, void *user_data)
{
	/*APP_EVENT_LOW_MEMORY*/
}

static void _control_led(peripheral_gpio_h gpio, int power_on)
{
	dlog_print(DLOG_INFO, LOG_TAG, "Write [%d] into GPIO.");
	peripheral_gpio_write(gpio, power_on);
}

static gboolean _toggle_led(gpointer user_data)
{
	static int current_status = 0;

	if (current_status) current_status = 0;
	else current_status = 1;

	_control_led(user_data, current_status);

	return TRUE;
}

int main(int argc, char* argv[])
{
    char ad[50] = {0,};
	service_app_lifecycle_callback_s event_callback;
	app_event_handler_h handlers[5] = {NULL, };
	peripheral_gpio_h gpio = NULL;
	guint timer_id = 0;
	int ret = 0;

	event_callback.create = service_app_create;
	event_callback.terminate = service_app_terminate;
	event_callback.app_control = service_app_control;

	service_app_add_event_handler(&handlers[APP_EVENT_LOW_BATTERY], APP_EVENT_LOW_BATTERY, service_app_low_battery, &ad);
	service_app_add_event_handler(&handlers[APP_EVENT_LOW_MEMORY], APP_EVENT_LOW_MEMORY, service_app_low_memory, &ad);
	service_app_add_event_handler(&handlers[APP_EVENT_LANGUAGE_CHANGED], APP_EVENT_LANGUAGE_CHANGED, service_app_lang_changed, &ad);
	service_app_add_event_handler(&handlers[APP_EVENT_REGION_FORMAT_CHANGED], APP_EVENT_REGION_FORMAT_CHANGED, service_app_region_changed, &ad);

	peripheral_gpio_open(GPIO_NUM, &gpio);
	if (!gpio) {
		dlog_print(DLOG_INFO, LOG_TAG, "The return value of peripheral_gpio_open is null.");
		return 1;
	}

	ret = peripheral_gpio_set_direction(gpio, PERIPHERAL_GPIO_DIRECTION_OUT);
	if (ret != 0) {
		dlog_print(DLOG_INFO, LOG_TAG, "Cannot set direction error.");
		return 1;
	}

	// Return value : the ID (greater than 0) of the event source.
	timer_id = g_timeout_add_seconds(1, _toggle_led, gpio);
	if (timer_id <= 0) {
		dlog_print(DLOG_INFO, LOG_TAG, "Timer id : %d", timer_id);
		return 1;
	}

	ret = service_app_main(argc, argv, &event_callback, ad);

	g_source_remove(timer_id);
	peripheral_gpio_close(gpio);

	return ret;
}