/*
 * 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 com.google.common.base.Preconditions;
import org.opendaylight.yangtools.yang.model.api.Rfc6020Mapping;
import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
import org.opendaylight.yangtools.yang.model.api.stmt.TypeStatement;
import org.opendaylight.yangtools.yang.model.util.BaseTypes;
import org.opendaylight.yangtools.yang.parser.spi.TypeNamespace;
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.spi.source.SourceException;
import org.opendaylight.yangtools.yang.parser.stmt.reactor.StatementContextBase;
import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.TypeEffectiveStatementImpl;

import javax.annotation.Nonnull;

public class TypeStatementImpl extends AbstractDeclaredStatement<String> implements TypeStatement {

    protected TypeStatementImpl(StmtContext<String, TypeStatement, ?> context) {
        super(context);
    }

    public static class Definition extends AbstractStatementSupport<String,TypeStatement,EffectiveStatement<String,TypeStatement>> {

        public Definition() {
            super(Rfc6020Mapping.TYPE);
        }

        @Override public String parseArgumentValue(StmtContext<?, ?, ?> ctx,
                String value) throws SourceException {
            return value;
        }

        @Override public TypeStatement createDeclared(
                StmtContext<String, TypeStatement, ?> ctx) {
            return new TypeStatementImpl(ctx);
        }

        @Override public EffectiveStatement<String, TypeStatement> createEffective(
                StmtContext<String, TypeStatement, EffectiveStatement<String, TypeStatement>> ctx) {
            return new TypeEffectiveStatementImpl(ctx);
        }

        @Override
        public void onFullDefinitionDeclared(StmtContext.Mutable<String, TypeStatement, EffectiveStatement<String, TypeStatement>> stmt) throws SourceException {
            if (!BaseTypes.isYangBuildInType(stmt.getStatementArgument())) {
                if (stmt.getParentContext() != null) {
                    StatementContextBase<?, ?, ?> stmtCtx = (StatementContextBase<?, ?, ?>) stmt.getParentContext().getFromNamespace(TypeNamespace.class, Utils.qNameFromArgument(stmt, stmt.getStatementArgument()));
                    Preconditions.checkArgument(stmtCtx != null, "Typedef '%s' doesn't exist in given scope", stmt.getStatementArgument());
                }
            }
        }
    }

    @Nonnull @Override
    public String getName() {
        return argument();
    }
}