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/*
 * Copyright © 2016-2018 European Support Limited
 *
 * 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.openecomp.sdc.be.components.utils;

import java.util.List;
import java.util.Map;
import java.util.Optional;

import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.collections.MapUtils;
import org.openecomp.sdc.be.datatypes.elements.OperationInputDefinition;
import org.openecomp.sdc.be.model.Component;
import org.openecomp.sdc.be.model.InputDefinition;
import org.openecomp.sdc.be.model.InterfaceDefinition;
import org.openecomp.sdc.be.model.Operation;

public class InterfaceOperationUtils {

    private InterfaceOperationUtils() {
    }

    public static Optional<InterfaceDefinition> getInterfaceDefinitionFromComponentByInterfaceType(Component component,
            String interfaceType) {
        if (MapUtils.isEmpty(component.getInterfaces())) {
            return Optional.empty();
        }
        return component.getInterfaces().values().stream()
                       .filter(interfaceDefinition -> interfaceDefinition.getType() != null && interfaceDefinition
                                                                                                       .getType()
                                                                                                       .equals(interfaceType))
                       .findAny();
    }

    public static Optional<InterfaceDefinition> getInterfaceDefinitionFromComponentByInterfaceId(Component component,
            String interfaceId) {
        if (MapUtils.isEmpty(component.getInterfaces())) {
            return Optional.empty();
        }
        return component.getInterfaces().values().stream()
                       .filter(interfaceDefinition -> interfaceDefinition.getUniqueId() != null && interfaceDefinition
                                                                                                           .getUniqueId()
                                                                                                           .equals(interfaceId))
                       .findAny();
    }

    public static Optional<Map.Entry<String, Operation>> getOperationFromInterfaceDefinition(
            InterfaceDefinition interfaceDefinition, String operationId) {
        if (MapUtils.isEmpty(interfaceDefinition.getOperationsMap())) {
            return Optional.empty();
        }
        return interfaceDefinition.getOperationsMap().entrySet().stream()
                       .filter(entry -> entry.getValue().getUniqueId().equals(operationId)).findAny();
    }

    public static boolean isOperationInputMappedToComponentProperty(OperationInputDefinition input,
                                                                 List<InputDefinition> inputs) {
        if (CollectionUtils.isEmpty(inputs)) {
            return false;
        }
        return inputs.stream().anyMatch(inp -> inp.getUniqueId().equals(input.getInputId()))
                || (input.getInputId().contains(".")
                && inputs.stream().anyMatch(inp -> inp.getUniqueId().equals(
                input.getInputId().substring(0, input.getInputId().lastIndexOf('.'))))) ;
    }


}