/*
* Copyright (C) 2018 "IoT.bzh"
* Author Jonathan Aillet <jonathan.aillet@iot.bzh>
*
* 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.
*/

#ifndef _INTERNALS_HAL_ALSACORE_LINK_INCLUDE_
#define _INTERNALS_HAL_ALSACORE_LINK_INCLUDE_

#include <stdio.h>

#include <wrap-json.h>

#include <alsa/asoundlib.h>

#include <afb/afb-binding.h>

#include <ctl-config.h>

#include "4a-hal-utilities-alsa-data.h"

#define ALSACORE_API				"alsacore"

#define ALSACORE_SUBSCRIBE_VERB			"subscribe"
#define ALSACORE_UNSUBSCRIBE_VERB		"unsubscribe"
#define ALSACORE_GETINFO_VERB			"infoget"
#define ALSACORE_CTLGET_VERB			"ctlget"
#define ALSACORE_CTLSET_VERB			"ctlset"
#define ALSACORE_ADDCTL_VERB			"addcustomctl"

#define ALSACORE_CARD_CONTROL_EVENT_NAME	"controls"

// Enum for the type of subscription/unsubscription to do with alsacore
enum AlsacoreSubscribeUnsubscribeType {
	ALSACORE_SUBSCRIPTION = 0,
	ALSACORE_UNSUBSCRIPTION = 1
};

// Alsa control types map from string function
snd_ctl_elem_type_t InternalHalMapsAlsaTypeToEnum(const char *label);

// Internals HAL alsacore calls funtions
int InternalHalGetCardInfo(afb_api_t apiHandle, json_object *requestJ, json_object **responseJ);
int InternalHalSubscribeToAlsacoreCardEvent(afb_api_t apiHandle, char *cardId);
int InternalHalUnsubscribeFromAlsacoreCardEvent(afb_api_t apiHandle, char *cardId);
int InternalHalUpdateAlsaCtlProperties(afb_api_t apiHandle, char *cardId, struct InternalHalAlsaCtl *currentAlsaCtl);
int InternalHalSetAlsaCtlValue(afb_api_t apiHandle, char *cardId, int ctlId, json_object *valuesJ);
int InternalHalCreateAlsaCtl(afb_api_t apiHandle, char *cardId, struct InternalHalAlsaCtl *alsaCtlToCreate);

// Internals HAL alsacore controls request callback
void InternalHalActionOnAlsaCtl(afb_req_t request);

#endif /* _INTERNALS_HAL_ALSACORE_LINK_INCLUDE_ */