/*
 * Copyright 2010-2020 Redgate Software Ltd
 *
 * 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.flywaydb.core.internal.resource;

import org.flywaydb.core.api.FlywayException;
import org.flywaydb.core.api.configuration.Configuration;
import org.flywaydb.core.api.logging.Log;
import org.flywaydb.core.api.logging.LogFactory;
import org.flywaydb.core.internal.util.StringUtils;

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

public class ResourceNameValidator {
    private static final Log LOG = LogFactory.getLog(ResourceNameValidator.class);

    
Validates the names of all SQL resources returned by the ResourceProvider
Params:
provider – The ResourceProvider to validate
configuration – The configuration to use/**
     * Validates the names of all SQL resources returned by the ResourceProvider
     * @param provider The ResourceProvider to validate
     * @param configuration The configuration to use
     */
    public void validateSQLMigrationNaming(ResourceProvider provider, Configuration configuration) {

        List<String> errorsFound = new ArrayList<>();
        ResourceNameParser resourceNameParser = new ResourceNameParser(configuration);

        for (Resource resource : getAllSqlResources(provider, configuration)) {
            LOG.debug("Validating " + resource.getFilename());

            ResourceName result = resourceNameParser.parse(resource.getFilename());
            if (!result.isValid()) {
                errorsFound.add(result.getValidityMessage());
            }
        }

        if (!errorsFound.isEmpty()) {
            throw new FlywayException("Invalid SQL filenames found:\r\n" + StringUtils.collectionToDelimitedString(errorsFound, "\r\n"));
        }
    }

    private Collection<LoadableResource> getAllSqlResources(ResourceProvider provider, Configuration configuration) {
        return provider.getResources("", configuration.getSqlMigrationSuffixes());
    }
}