/*
 * Copyright (c) 2017 Pantheon Technologies, s.r.o. and others.  All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 */
package org.opendaylight.yangtools.yang.parser.rfc7950.stmt.extension;

import java.util.Optional;
import org.opendaylight.yangtools.yang.common.QName;
import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
import org.opendaylight.yangtools.yang.model.api.meta.StatementDefinition;
import org.opendaylight.yangtools.yang.model.api.stmt.UnrecognizedStatement;
import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
import org.opendaylight.yangtools.yang.parser.spi.meta.StatementSupport;
import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;

final class UnrecognizedStatementSupport extends AbstractStatementSupport<String, UnrecognizedStatement,
        EffectiveStatement<String, UnrecognizedStatement>> {
    UnrecognizedStatementSupport(final StatementDefinition publicDefinition) {
        super(publicDefinition);
    }

    @Override
    public String parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
        return value;
    }

    @Override
    public UnrecognizedStatement createDeclared(final StmtContext<String, UnrecognizedStatement, ?> ctx) {
        return new UnrecognizedStatementImpl(ctx);
    }

    @Override
    public EffectiveStatement<String, UnrecognizedStatement> createEffective(
            final StmtContext<String, UnrecognizedStatement,
            EffectiveStatement<String, UnrecognizedStatement>> ctx) {
        return new UnrecognizedEffectiveStatementImpl(ctx);
    }

    @Override
    protected SubstatementValidator getSubstatementValidator() {
        return null;
    }

    @Override
    public Optional<StatementSupport<?, ?, ?>> getUnknownStatementDefinitionOf(
            final StatementDefinition yangStmtDef) {
        final QName baseQName = getStatementName();
        final QName argumentName = yangStmtDef.getArgumentName();
        return Optional.of(new ModelDefinedStatementSupport(new ModelDefinedStatementDefinition(
                QName.create(baseQName, yangStmtDef.getStatementName().getLocalName()),
                argumentName != null ? QName.create(baseQName, argumentName.getLocalName()) : null,
                yangStmtDef.isArgumentYinElement())));
    }
}