/*
 * Copyright (c) 2016 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.data.impl.codecs;

import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import org.opendaylight.yangtools.concepts.Codec;
import org.opendaylight.yangtools.yang.data.impl.codec.TypeDefinitionAwareCodec;
import org.opendaylight.yangtools.yang.model.api.SchemaPath;
import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
import org.opendaylight.yangtools.yang.model.api.type.EnumTypeDefinition;
import org.opendaylight.yangtools.yang.model.util.type.BaseTypes;
import org.opendaylight.yangtools.yang.model.util.type.EnumerationTypeBuilder;

public class TypeDefinitionAwareCodecTestHelper {

    @SuppressWarnings("unchecked")
    public static <T> T getCodec( final TypeDefinition<?> def, final Class<T> clazz) {
        Object codec = TypeDefinitionAwareCodec.from(def);
        assertNotNull(codec);
        assertTrue(clazz.isAssignableFrom(codec.getClass()));
        return (T)codec;
    }

    public static void deserializeWithExpectedIllegalArgEx(final Codec<String,?> codec, final String param) {
        try {
            codec.deserialize(param);
            fail("Expected IllegalArgumentException");
        } catch (IllegalArgumentException e) {
            // Expected ...
        }
    }

    public static EnumTypeDefinition toEnumTypeDefinition(final String... enums) {
        final EnumerationTypeBuilder b = BaseTypes.enumerationTypeBuilder(mock(SchemaPath.class));
        int i = 0;
        for (String en : enums) {
            EnumTypeDefinition.EnumPair mockEnum = mock(EnumTypeDefinition.EnumPair.class);
            when(mockEnum.getName()).thenReturn(en);
            when(mockEnum.getValue()).thenReturn(i);
            b.addEnum(mockEnum);
            i++;
        }

        return b.build();
    }
}