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/*
 * Copyright 2006-2023 Prowide
 *
 * 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 com.prowidesoftware.swift.model.mt;

import java.util.Optional;

/**
 * Official variants for MT messages (not including closed user groups version of messages)
 *
 * @author sebastian
 * @since 7.8
 */
public enum MTVariant {
    STP(true),
    REMIT(true),
    RFDD(true),
    ISLFIN(true),
    COV(true);

    boolean validationFlag = false;

    MTVariant(boolean validationFlag) {
        this.validationFlag = validationFlag;
    }

    /**
     * returns true if the variant is also a validation flag used in the user header block
     */
    public boolean isValidationFlag() {
        return this.validationFlag;
    }

    /**
     * Extract the variant from the given string, if any
     * @param text a text optionally containing a variant code
     * @return found variant if present in the parameter string
     * @since 9.1.8
     */
    public static Optional extract(String text) {
        if (text != null) {
            for (MTVariant variant : values()) {
                if (text.contains(variant.name())) {
                    return Optional.of(variant);
                }
            }
        }
        return Optional.empty();
    }
}