/*-
 * ============LICENSE_START=======================================================
 * SDC
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. 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.openecomp.sdc.be.datatypes.elements;

import com.fasterxml.jackson.annotation.JsonCreator;
import org.openecomp.sdc.be.datatypes.enums.JsonPresentationFields;
import org.openecomp.sdc.be.datatypes.tosca.ToscaDataDefinition;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.stream.Collectors;

public class ListDataDefinition<T extends ToscaDataDefinition> extends ToscaDataDefinition {

    List<T> listToscaDataDefinition;

    public ListDataDefinition(ListDataDefinition<T> cdt) {
        listToscaDataDefinition = cdt.listToscaDataDefinition;
    }

    public ListDataDefinition(List<T> listToscaDataDefinition) {
        this.listToscaDataDefinition = listToscaDataDefinition;
    }

    @JsonCreator
    public ListDataDefinition() {
        this.listToscaDataDefinition = new ArrayList<>();
    }

    public List<T> getListToscaDataDefinition() {
        return listToscaDataDefinition;
    }

    public void add(T value) {
        if (listToscaDataDefinition == null) {
            listToscaDataDefinition = new ArrayList<>();
        }
        listToscaDataDefinition.add(value);
    }

    public void delete(T value) {
        if (listToscaDataDefinition != null) {
            listToscaDataDefinition.remove(value);
        }
    }

    @Override
    public void setOwnerIdIfEmpty(String ownerId) {
        if (listToscaDataDefinition != null) {
            listToscaDataDefinition.forEach(e -> e.setOwnerIdIfEmpty(ownerId));
        }
    }

    @Override
    public <S extends ToscaDataDefinition> S mergeFunction(S other, boolean allowDefaultValueOverride) {
        Map<String, T> mapByName = listToMapByName(listToscaDataDefinition);
        List<T> otherList = ((ListDataDefinition) other).getListToscaDataDefinition();
        for (T item : otherList) {
            mapByName.merge((String) item.getToscaPresentationValue(JsonPresentationFields.NAME), item, (thisItem, otherItem) -> thisItem.mergeFunction(otherItem, allowDefaultValueOverride));
        }
        ((ListDataDefinition) other).listToscaDataDefinition = mapByName.values().stream().collect(Collectors.toList());
        return other;
    }

    @Override
    public boolean findUidMatch(String uid) {
        return listToscaDataDefinition.stream().anyMatch(p -> p.findUidMatch(uid));
    }

    @Override
    public <T extends ToscaDataDefinition> T removeByOwnerId(Set<String> ownerIdList) {
        List<T> collect1 = (List<T>) listToscaDataDefinition.stream().filter(e -> ownerIdList.contains(e.getOwnerId())).collect(Collectors.toList());
        ListDataDefinition listDef = new ListDataDefinition(collect1);
        listToscaDataDefinition.removeIf(e -> ownerIdList.contains(e.getOwnerId()));
        return (T) listDef;
    }

    @Override
    public <T extends ToscaDataDefinition> T updateIfExist(T other, boolean allowDefaultValueOverride) {
        List<T> list = ((ListDataDefinition) other).getListToscaDataDefinition();
        list.forEach(e -> {
            String nameFromPrev = (String) e.getToscaPresentationValue(JsonPresentationFields.NAME);
            if (nameFromPrev != null) {
                Optional<T> findAny = (Optional<T>) listToscaDataDefinition.stream().filter(o -> nameFromPrev.equals(e.getToscaPresentationValue(JsonPresentationFields.NAME))).findAny();
                if (findAny.isPresent()) {
                    e.mergeFunction(findAny.get(), allowDefaultValueOverride);
                }
            }
        });
        return other;
    }

    @Override
    public boolean isEmpty() {
        return listToscaDataDefinition == null || listToscaDataDefinition.isEmpty();
    }
}