/**
 * Copyright © 2016-2022 The Thingsboard Authors
 *
 * 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.
 */
package org.thingsboard.server.transport.coap.callback;

import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.eclipse.californium.core.coap.MediaTypeRegistry;
import org.eclipse.californium.core.coap.Request;
import org.eclipse.californium.core.coap.Response;
import org.eclipse.californium.core.server.resources.CoapExchange;
import org.thingsboard.server.common.data.id.DeviceId;
import org.thingsboard.server.common.transport.SessionMsgListener;
import org.thingsboard.server.gen.transport.TransportProtos;
import org.thingsboard.server.transport.coap.client.TbCoapClientState;
import org.thingsboard.server.transport.coap.client.TbCoapContentFormatUtil;
import org.thingsboard.server.transport.coap.client.TbCoapObservationState;

import java.util.UUID;

@RequiredArgsConstructor
@Slf4j
public abstract class AbstractSyncSessionCallback implements SessionMsgListener {

    protected final TbCoapClientState state;
    protected final CoapExchange exchange;
    protected final Request request;

    @Override
    public void onGetAttributesResponse(TransportProtos.GetAttributeResponseMsg getAttributesResponse) {
        logUnsupportedCommandMessage(getAttributesResponse);
    }

    @Override
    public void onAttributeUpdate(UUID sessionId, TransportProtos.AttributeUpdateNotificationMsg attributeUpdateNotification) {
        logUnsupportedCommandMessage(attributeUpdateNotification);
    }

    @Override
    public void onRemoteSessionCloseCommand(UUID sessionId, TransportProtos.SessionCloseNotificationProto sessionCloseNotification) {

    }

    @Override
    public void onDeviceDeleted(DeviceId deviceId) {

    }

    @Override
    public void onToDeviceRpcRequest(UUID sessionId, TransportProtos.ToDeviceRpcRequestMsg toDeviceRequest) {
        logUnsupportedCommandMessage(toDeviceRequest);
    }

    @Override
    public void onToServerRpcResponse(TransportProtos.ToServerRpcResponseMsg toServerResponse) {
        logUnsupportedCommandMessage(toServerResponse);
    }

    private void logUnsupportedCommandMessage(Object update) {
        log.trace("[{}] Ignore unsupported update: {}", state.getDeviceId(), update);
    }

    public static boolean isConRequest(TbCoapObservationState state) {
        if (state != null) {
            return state.getExchange().advanced().getRequest().isConfirmable();
        } else {
            return false;
        }
    }

    protected void respond(Response response) {
        response.getOptions().setContentFormat(TbCoapContentFormatUtil.getContentFormat(exchange.getRequestOptions().getContentFormat(), state.getContentFormat()));
        exchange.respond(response);
    }

}
