/*
 * Copyright (c) 2016, 2020 PANTHEON.tech, 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.rfc6643.parser;

import com.google.common.annotations.Beta;
import com.google.common.collect.ImmutableList;
import org.opendaylight.yangtools.rfc6643.model.api.IetfYangSmiv2ExtensionsMapping;
import org.opendaylight.yangtools.rfc6643.model.api.MaxAccess;
import org.opendaylight.yangtools.rfc6643.model.api.MaxAccessEffectiveStatement;
import org.opendaylight.yangtools.rfc6643.model.api.MaxAccessStatement;
import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
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;

@Beta
public final class MaxAccessStatementSupport
        extends AbstractStatementSupport<MaxAccess, MaxAccessStatement, MaxAccessEffectiveStatement> {
    private static final SubstatementValidator SUBSTATEMENT_VALIDATOR =
            SubstatementValidator.builder(IetfYangSmiv2ExtensionsMapping.MAX_ACCESS).build();
    private static final MaxAccessStatementSupport INSTANCE = new MaxAccessStatementSupport();

    private MaxAccessStatementSupport() {
        super(IetfYangSmiv2ExtensionsMapping.MAX_ACCESS, StatementPolicy.contextIndependent());
    }

    public static MaxAccessStatementSupport getInstance() {
        return INSTANCE;
    }

    @Override
    public MaxAccess parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
        final MaxAccess val = MaxAccess.forStringLiteral(value);
        if (val == null) {
            throw new SourceException(ctx, "Invalid max-access value '%s'", value);
        }
        return val;
    }

    @Override
    public String internArgument(final String rawArgument) {
        final MaxAccess val = MaxAccess.forStringLiteral(rawArgument);
        return val == null ? rawArgument : val.stringLiteral();
    }

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

    @Override
    protected MaxAccessStatement createDeclared(final StmtContext<MaxAccess, MaxAccessStatement, ?> ctx,
            final ImmutableList<? extends DeclaredStatement<?>> substatements) {
        return new MaxAccessStatementImpl(ctx.getArgument(), substatements);
    }

    @Override
    protected MaxAccessEffectiveStatement createEffective(final Current<MaxAccess, MaxAccessStatement> stmt,
            final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
        return new MaxAccessEffectiveStatementImpl(stmt, substatements);
    }
}