/*-
 * ============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.model.tosca.validators;

import java.util.Map;
import org.onap.sdc.tosca.datatypes.model.ScalarUnitValidator;
import org.openecomp.sdc.be.model.DataTypeDefinition;

public class HeatNumberValidator implements PropertyTypeValidator {

    private static HeatNumberValidator numberValidator = new HeatNumberValidator();

    private final FloatValidator floatValidator = FloatValidator.getInstance();
    private final IntegerValidator integerValidator = IntegerValidator.getInstance();
    private final ScalarUnitValidator scalarUnitValidator = ScalarUnitValidator.getInstance();

    public static HeatNumberValidator getInstance() {
        return numberValidator;
    }

    private HeatNumberValidator() {
    }

    @Override
    public boolean isValid(final String value,
                           final String innerType,
                           final Map<String, DataTypeDefinition> allDataTypes) {

        if (value == null || value.isEmpty()) {
            return true;
        }
        boolean valid = integerValidator.isValid(value, null, allDataTypes);

        if (!valid) {
            valid = floatValidator.isValid(value, null, allDataTypes);
        }

        if(!valid) {
            valid = scalarUnitValidator.isScalarUnit(value);
        }

        return valid;
    }

    @Override
    public boolean isValid(final String value, final String innerType) {
        return isValid(value, innerType, null);
    }
}