/**
 * Copyright © 2016-2018 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.rule.engine.telemetry;

import com.google.gson.JsonParser;
import lombok.extern.slf4j.Slf4j;
import org.thingsboard.rule.engine.api.RuleNode;
import org.thingsboard.rule.engine.api.TbContext;
import org.thingsboard.rule.engine.api.TbNode;
import org.thingsboard.rule.engine.api.TbNodeConfiguration;
import org.thingsboard.rule.engine.api.TbNodeException;
import org.thingsboard.rule.engine.api.util.TbNodeUtils;
import org.thingsboard.server.common.data.DataConstants;
import org.thingsboard.server.common.data.EntityType;
import org.thingsboard.server.common.data.id.DeviceId;
import org.thingsboard.server.common.data.kv.AttributeKvEntry;
import org.thingsboard.server.common.data.plugin.ComponentType;
import org.thingsboard.server.common.msg.TbMsg;
import org.thingsboard.server.common.msg.session.SessionMsgType;
import org.thingsboard.server.common.transport.adaptor.JsonConverter;

import java.util.ArrayList;
import java.util.Set;

@Slf4j
@RuleNode(
        type = ComponentType.ACTION,
        name = "save attributes",
        configClazz = TbMsgAttributesNodeConfiguration.class,
        nodeDescription = "Saves attributes data",
        nodeDetails = "Saves entity attributes based on configurable scope parameter. Expects messages with 'POST_ATTRIBUTES_REQUEST' message type",
        uiResources = {"static/rulenode/rulenode-core-config.js", "static/rulenode/rulenode-core-config.css"},
        configDirective = "tbActionNodeAttributesConfig",
        icon = "file_upload"
)
public class TbMsgAttributesNode implements TbNode {

    private TbMsgAttributesNodeConfiguration config;

    @Override
    public void init(TbContext ctx, TbNodeConfiguration configuration) throws TbNodeException {
        this.config = TbNodeUtils.convert(configuration, TbMsgAttributesNodeConfiguration.class);
    }

    @Override
    public void onMsg(TbContext ctx, TbMsg msg) {
        if (!msg.getType().equals(SessionMsgType.POST_ATTRIBUTES_REQUEST.name())) {
            ctx.tellFailure(msg, new IllegalArgumentException("Unsupported msg type: " + msg.getType()));
            return;
        }

        String src = msg.getData();
        Set<AttributeKvEntry> attributes = JsonConverter.convertToAttributes(new JsonParser().parse(src)).getAttributes();
        ctx.getTelemetryService().saveAndNotify(msg.getOriginator(), config.getScope(), new ArrayList<>(attributes), new TelemetryNodeCallback(ctx, msg));
        if (msg.getOriginator().getEntityType() == EntityType.DEVICE && DataConstants.SHARED_SCOPE.equals(config.getScope())) {
            ctx.getTelemetryService().onSharedAttributesUpdate(ctx.getTenantId(), new DeviceId(msg.getOriginator().getId()), attributes);
        }
    }

    @Override
    public void destroy() {
    }

}
