/*
 * 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.yang_version;

import org.opendaylight.yangtools.yang.common.YangVersion;
import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
import org.opendaylight.yangtools.yang.model.api.stmt.YangVersionStatement;
import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable;
import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;

public final class YangVersionStatementSupport extends AbstractStatementSupport<YangVersion, YangVersionStatement,
        EffectiveStatement<YangVersion, YangVersionStatement>> {
    private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(YangStmtMapping
        .YANG_VERSION)
        .build();

    public YangVersionStatementSupport() {
        super(YangStmtMapping.YANG_VERSION);
    }

    @Override
    public YangVersion parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
        return SourceException.unwrap(YangVersion.parse(value), ctx.getStatementSourceReference(),
            "Unsupported YANG version %s", value);
    }

    @Override
    public YangVersionStatement createDeclared(final StmtContext<YangVersion, YangVersionStatement, ?> ctx) {
        return new YangVersionStatementImpl(ctx);
    }

    @Override
    public void onPreLinkageDeclared(final Mutable<YangVersion, YangVersionStatement,
            EffectiveStatement<YangVersion, YangVersionStatement>> stmt) {
        stmt.setRootVersion(stmt.getStatementArgument());
    }

    @Override
    public EffectiveStatement<YangVersion, YangVersionStatement> createEffective(final StmtContext<YangVersion,
            YangVersionStatement, EffectiveStatement<YangVersion, YangVersionStatement>> ctx) {
        return new YangVersionEffectiveStatementImpl(ctx);
    }

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