/*
 * Copyright (c) 2016 Samsung Electronics Co., Ltd
 *
 * Licensed under the Flora License, Version 1.1 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://floralicense.org/license/
 *
 * 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 <app.h>
#include <Elementary.h>
#include <system_settings.h>
#include <efl_extension.h>
#include <dlog.h>

#include "$(appName).h"
#include "view.h"
#include "data.h"

/**
 * @brief Hook to take necessary actions before main event loop starts.
 * Initialize UI resources and application's data.
 * If this function returns true, the main loop of application starts.
 * If this function returns false, the application is terminated.
 */
static bool app_create(void *user_data)
{
	appdata_s *ad = (appdata_s *)user_data;

	/* Initialize all resources. */
	data_initialize(ad);

	/* create view */
	if (view_create(ad) == EINA_FALSE) {
		dlog_print(DLOG_ERROR, LOG_TAG, "view_create fail.");

		/* destroy view */
		view_destroy();
		return false;
	}

	return true;
}

/**
 * @brief This callback function is called when another application
 * sends a launch request to the application.
 */
static void app_control(app_control_h app_control, void *user_data)
{
	/* Handle the launch request. */
}

/**
 * @brief This callback function is called each time
 * the application is completely obscured by another application
 * and becomes invisible to the user.
 */
static void app_pause(void *user_data)
{
	/* Take necessary actions when application becomes invisible. */
}

/**
 * @brief This callback function is called each time
 * the application becomes visible to the user.
 */
static void app_resume(void *user_data)
{
	/* Take necessary actions when application becomes visible. */
}

/**
 * @brief This callback function is called once after the main loop of the application exits.
 */
static void app_terminate(void *user_data)
{
	appdata_s *ad = (appdata_s *)user_data;

	/* Release all resources. */
	data_finalize(ad);
}

/**
 * @brief This function will be called when the language is changed.
 */
static void ui_app_lang_changed(app_event_info_h event_info, void *user_data)
{
	/* APP_EVENT_LANGUAGE_CHANGED */
	char *locale = NULL;

	system_settings_get_value_string(SYSTEM_SETTINGS_KEY_LOCALE_LANGUAGE, &locale);

	if (locale != NULL) {
		elm_language_set(locale);
		free(locale);
	}
	return;
}

/**
 * @brief Main function of the application.
 */
int main(int argc, char *argv[])
{
	/* Application data. */
	appdata_s ad = {{0}, };
	int ret;

	ui_app_lifecycle_callback_s event_callback = {0, };
	app_event_handler_h handlers[5] = {NULL, };

	event_callback.create = app_create;
	event_callback.terminate = app_terminate;
	event_callback.pause = app_pause;
	event_callback.resume = app_resume;
	event_callback.app_control = app_control;

	/*
	 * If you want to handle more events,
	 * please check the application lifecycle guide.
	 */
	ui_app_add_event_handler(&handlers[APP_EVENT_LANGUAGE_CHANGED], APP_EVENT_LANGUAGE_CHANGED, ui_app_lang_changed, NULL);

	ret = ui_app_main(argc, argv, &event_callback, &ad);
	if (ret != APP_ERROR_NONE)
		dlog_print(DLOG_ERROR, LOG_TAG, "ui_app_main() failed. err = %d", ret);

	return ret;
}