/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you 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
 *
 *    https://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.grails.plugins.databasemigration.liquibase

import groovy.transform.CompileStatic

import liquibase.changelog.ChangeLogChild
import liquibase.changelog.ChangeSet
import liquibase.serializer.ChangeLogSerializer
import liquibase.serializer.LiquibaseSerializable
import liquibase.serializer.core.xml.XMLChangeLogSerializer

@CompileStatic
class GroovyChangeLogSerializer implements ChangeLogSerializer {

    private XMLChangeLogSerializer xmlChangeLogSerializer = new XMLChangeLogSerializer()

    @Override
    def <T extends ChangeLogChild> void write(List<T> changesets, OutputStream out) throws IOException {
        def xmlOutputStrem = new ByteArrayOutputStream()
        xmlChangeLogSerializer.write(changesets, xmlOutputStrem)
        out << ChangelogXml2Groovy.convert(xmlOutputStrem.toString())
    }

    @Override
    void append(ChangeSet changeSet, File changeLogFile) throws IOException {
        throw new UnsupportedOperationException()
    }

    @Override
    String[] getValidFileExtensions() {
        ['groovy'] as String[]
    }

    @Override
    String serialize(LiquibaseSerializable object, boolean pretty) {
        throw new UnsupportedOperationException()
    }

    @Override
    int getPriority() {
        return 0
    }
}
