/*
 * Copyright (c) 2022 Samsung Electronics Co., Ltd All Rights Reserved
 *
 * 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 <hal/hal-common.h>

#include "hal-device-input-interface.h"
#include "common.h"

static hal_backend_device_input_funcs *hal_device_input_funcs = NULL;

int hal_device_input_get_backend(void)
{
	int ret;

	if (hal_device_input_funcs)
		return 0;

	ret = hal_common_get_backend(HAL_MODULE_DEVICE_INPUT, (void **)&hal_device_input_funcs);
	if (ret < 0) {
		_E("Failed to get input backend");
		return ret;
	}

	return 0;
}

int hal_device_input_put_backend(void)
{
	int ret;

	if (!hal_device_input_funcs)
		return 0;

	ret = hal_common_put_backend(HAL_MODULE_DEVICE_INPUT, (void *)hal_device_input_funcs);
	if(ret < 0) {
		_E("Failed to put input backend");
		return ret;
	}

	hal_device_input_funcs = NULL;

	return 0;
}

int hal_device_input_set_event_state(int input_device_id, int on)
{
	int ret;

	if (!hal_device_input_funcs) {
		if ((ret = hal_device_input_get_backend()) < 0)
			return ret;
	}

	if (!hal_device_input_funcs ||
		!hal_device_input_funcs->set_event_state)
		return -ENODEV;

	return hal_device_input_funcs->set_event_state(input_device_id, on);
}

int hal_device_input_get_event_state(int input_device_id, int* on)
{
	int ret;

	if (!hal_device_input_funcs) {
		if ((ret = hal_device_input_get_backend()) < 0)
			return ret;
	}

	if (!hal_device_input_funcs ||
		!hal_device_input_funcs->get_event_state)
		return -ENODEV;

	return hal_device_input_funcs->get_event_state(input_device_id, on);
}