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/*-
 * ============LICENSE_START=======================================================
 * Copyright (C) 2017 Intel Corp. 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.
 * ============LICENSE_END=========================================================
 */

package org.onap.policy.controlloop.actor.vfc;

import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.onap.policy.controlloop.VirtualControlLoopEvent;
import org.onap.policy.vfc.VFCRequest;
import org.onap.policy.vfc.VFCHealRequest;
import org.onap.policy.vfc.VFCHealAdditionalParams;
import org.onap.policy.vfc.VFCHealActionVmInfo;
import org.onap.policy.controlloop.ControlLoopOperation;
import org.onap.policy.controlloop.policy.Policy;

import org.onap.policy.controlloop.actorServiceProvider.spi.Actor;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;


public class VFCActorServiceProvider implements Actor {

    private static final ImmutableList<String> recipes = ImmutableList.of("Restart");
    private static final ImmutableMap<String, List<String>> targets = new ImmutableMap.Builder<String, List<String>>()
            .put("Restart", ImmutableList.of("VM"))
            .build();

    @Override
    public String actor() {
        return "VFC";
    }

    @Override
    public List<String> recipes() {
        return ImmutableList.copyOf(recipes);
    }

    @Override
    public List<String> recipeTargets(String recipe) {
        return ImmutableList.copyOf(targets.getOrDefault(recipe, Collections.emptyList()));
    }

    @Override
    public List<String> recipePayloads(String recipe) {
        return Collections.emptyList();
    }

    public static VFCRequest constructRequest(VirtualControlLoopEvent onset, ControlLoopOperation operation, Policy policy) {

        // Construct an VFC request
        VFCRequest request = new VFCRequest();
        // TODO: Verify service-instance-id is part of onset event
        request.nsInstanceId = onset.AAI.get("service-instance.service-instance-id");
        request.healRequest = new VFCHealRequest();
        request.healRequest.vnfInstanceId = onset.AAI.get("generic-vnf.vnf-id");
        request.healRequest.cause = operation.message;

        request.healRequest.additionalParams = new VFCHealAdditionalParams();
        switch (policy.getRecipe()) {
            case "Restart":
                // TODO: check target??
                request.healRequest.additionalParams.action = "restartvm";
                request.healRequest.additionalParams.actionInfo = new VFCHealActionVmInfo();
                // TODO: Verify vserver-id and vserver-name is part of onset event
                request.healRequest.additionalParams.actionInfo.vmid = onset.AAI.get("vserver.vserver-id");
                request.healRequest.additionalParams.actionInfo.vmname = onset.AAI.get("vserver.vserver-name");
                break;
            default:
                //TODO: default
                break;
        }
        return request;
    }


}