/*
 * Copyright (c) 2015 Cisco Systems, Inc. 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.stmt.rfc6020;

import javax.annotation.Nonnull;
import org.opendaylight.yangtools.yang.model.api.DeviateKind;
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.DeviateStatement;
import org.opendaylight.yangtools.yang.parser.spi.SubstatementValidator;
import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractDeclaredStatement;
import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.DeviateEffectiveStatementImpl;

public class DeviateStatementImpl extends AbstractDeclaredStatement<DeviateKind> implements DeviateStatement {
    private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(YangStmtMapping
            .DEVIATE)
            .addOptional(YangStmtMapping.CONFIG)
            .addOptional(YangStmtMapping.DEFAULT)
            .addOptional(YangStmtMapping.MANDATORY)
            .addOptional(YangStmtMapping.MAX_ELEMENTS)
            .addOptional(YangStmtMapping.MIN_ELEMENTS)
            .addAny(YangStmtMapping.MUST)
            .addOptional(YangStmtMapping.TYPE)
            .addAny(YangStmtMapping.UNIQUE)
            .addOptional(YangStmtMapping.UNITS)
            .build();

    protected DeviateStatementImpl(final StmtContext<DeviateKind, DeviateStatement, ?> context) {
        super(context);
    }

    public static class Definition extends AbstractStatementSupport<DeviateKind, DeviateStatement,
            EffectiveStatement<DeviateKind, DeviateStatement>> {

        public Definition() {
            super(YangStmtMapping.DEVIATE);
        }

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

        @Override public DeviateStatement createDeclared(final StmtContext<DeviateKind, DeviateStatement, ?> ctx) {
            return new DeviateStatementImpl(ctx);
        }

        @Override public EffectiveStatement<DeviateKind, DeviateStatement> createEffective(
                final StmtContext<DeviateKind, DeviateStatement, EffectiveStatement<DeviateKind,
                        DeviateStatement>> ctx) {
            return new DeviateEffectiveStatementImpl(ctx);
        }

        @Override
        public void onFullDefinitionDeclared(final StmtContext.Mutable<DeviateKind, DeviateStatement,
                EffectiveStatement<DeviateKind, DeviateStatement>> stmt) {
            super.onFullDefinitionDeclared(stmt);
            SUBSTATEMENT_VALIDATOR.validate(stmt);
        }
    }

    @Nonnull @Override
    public DeviateKind getValue() {
        return argument();
    }
}