/*
 * Copyright (c) 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.yang.parser.rfc7950.stmt;

import org.opendaylight.yangtools.yang.common.QName;
import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
import org.opendaylight.yangtools.yang.model.api.meta.StatementDefinition;
import org.opendaylight.yangtools.yang.model.api.stmt.SchemaTreeEffectiveStatement;
import org.opendaylight.yangtools.yang.parser.spi.SchemaTreeNamespace;
import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractQNameStatementSupport;
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.StmtContextUtils;

/**
 * Specialization of {@link AbstractQNameStatementSupport} for {@link SchemaTreeEffectiveStatement} implementations.
 * Every statement automatically participates in {@link SchemaTreeNamespace}.
 *
 * @param <D> Declared Statement representation
 * @param <E> Effective Statement representation
 */
public abstract class BaseSchemaTreeStatementSupport<D extends DeclaredStatement<QName>,
        E extends SchemaTreeEffectiveStatement<D>> extends AbstractQNameStatementSupport<D, E> {
    protected BaseSchemaTreeStatementSupport(final StatementDefinition publicDefinition,
            final StatementPolicy<QName, D> policy) {
        super(publicDefinition, policy);
    }

    /**
     * {@inheritDoc}
     *
     * <p>
     * This method ensures the statement is added to its parent {@link SchemaTreeNamespace}.
     */
    @Override
    public void onStatementAdded(final Mutable<QName, D, E> stmt) {
        stmt.coerceParentContext().addToNs(SchemaTreeNamespace.class, stmt.getArgument(), stmt);
    }

    // Non-final because {@code input} and {@code output} are doing their own thing.
    @Override
    public QName parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
        return StmtContextUtils.parseIdentifier(ctx, value);
    }
}