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/*-
 * ============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.core.validation.types;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
import org.openecomp.sdc.datatypes.error.ErrorLevel;
import org.openecomp.sdc.datatypes.error.ErrorMessage;

public class MessageContainer {

    private final List<ErrorMessage> errorMessageList = new ArrayList<>();

    public List<ErrorMessage> getErrorMessageList() {
        return errorMessageList;
    }

    public MessageBuilder getMessageBuilder() {
        return new MessageBuilder();
    }

    /**
     * Gets error message list by level. Only this level, not this level and above
     *
     * @param level the level
     * @return the error message list by level
     */
    public List<ErrorMessage> getErrorMessageListByLevel(ErrorLevel level) {
        return errorMessageList.stream().filter(message -> message.getLevel().equals(level)).collect(Collectors.toList());
    }

    public class MessageBuilder {

        String message;
        ErrorLevel level;

        MessageBuilder setMessage(String message) {
            this.message = message;
            return this;
        }

        MessageBuilder setLevel(ErrorLevel level) {
            this.level = level;
            return this;
        }

        void create() {
            ErrorMessage errorMessage = new ErrorMessage(level, message);
            if (!errorMessageList.contains(errorMessage)) {
                errorMessageList.add(errorMessage);
            }
        }
    }
}