/*
 * 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.position;

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.PositionStatement;
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.SubstatementValidator;
import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;

public final class PositionStatementSupport
        extends AbstractStatementSupport<Long, PositionStatement, EffectiveStatement<Long, PositionStatement>> {
    private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(
        YangStmtMapping.POSITION).build();

    public PositionStatementSupport() {
        super(YangStmtMapping.POSITION);
    }

    @Override
    public Long parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
        try {
            return Long.parseLong(value);
        } catch (NumberFormatException e) {
            throw new SourceException(String.format("Bit position value %s is not valid integer", value),
                    ctx.getStatementSourceReference(), e);
        }
    }

    @Override
    public PositionStatement createDeclared(final StmtContext<Long, PositionStatement, ?> ctx) {
        return new PositionStatementImpl(ctx);
    }

    @Override
    public EffectiveStatement<Long, PositionStatement> createEffective(
            final StmtContext<Long, PositionStatement, EffectiveStatement<Long, PositionStatement>> ctx) {
        return new PositionEffectiveStatementImpl(ctx);
    }

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