/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.qpid.proton.codec;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;

import org.apache.qpid.proton.amqp.Symbol;
import org.apache.qpid.proton.amqp.UnsignedByte;
import org.apache.qpid.proton.amqp.UnsignedInteger;
import org.apache.qpid.proton.amqp.UnsignedShort;
import org.apache.qpid.proton.amqp.messaging.MessageAnnotations;
import org.junit.Test;

public class MessageAnnotationsTypeCodecTest extends CodecTestSupport {

    private final int LARGE_SIZE = 1024;
    private final int SMALL_SIZE = 32;

    @Test
    public void testDecodeSmallSeriesOfMessageAnnotations() throws IOException {
        doTestDecodeMessageAnnotationsSeries(SMALL_SIZE);
    }

    @Test
    public void testDecodeLargeSeriesOfMessageAnnotations() throws IOException {
        doTestDecodeMessageAnnotationsSeries(LARGE_SIZE);
    }

    @Test
    public void testDecodeLMessageAnnotations() throws IOException {
        doTestDecodeMessageAnnotationsSeries(1);
    }

    private void doTestDecodeMessageAnnotationsSeries(int size) throws IOException {

        final Symbol SYMBOL_1 = Symbol.valueOf("test1");
        final Symbol SYMBOL_2 = Symbol.valueOf("test2");
        final Symbol SYMBOL_3 = Symbol.valueOf("test3");

        MessageAnnotations annotations = new MessageAnnotations(new HashMap<>());
        annotations.getValue().put(SYMBOL_1, UnsignedByte.valueOf((byte) 128));
        annotations.getValue().put(SYMBOL_2, UnsignedShort.valueOf((short) 128));
        annotations.getValue().put(SYMBOL_3, UnsignedInteger.valueOf(128));

        for (int i = 0; i < size; ++i) {
            encoder.writeObject(annotations);
        }

        buffer.clear();

        for (int i = 0; i < size; ++i) {
            final Object result = decoder.readObject();

            assertNotNull(result);
            assertTrue(result instanceof MessageAnnotations);

            MessageAnnotations readAnnotations = (MessageAnnotations) result;

            Map<Symbol, Object> resultMap = readAnnotations.getValue();

            assertEquals(annotations.getValue().size(), resultMap.size());
            assertEquals(resultMap.get(SYMBOL_1), UnsignedByte.valueOf((byte) 128));
            assertEquals(resultMap.get(SYMBOL_2), UnsignedShort.valueOf((short) 128));
            assertEquals(resultMap.get(SYMBOL_3), UnsignedInteger.valueOf(128));
        }
    }

    @Test
    public void testEncodeAndDecodeAnnoationsWithEmbeddedMaps() throws IOException {
        final Symbol SYMBOL_1 = Symbol.valueOf("x-opt-test1");
        final Symbol SYMBOL_2 = Symbol.valueOf("x-opt-test2");

        final String VALUE_1 = "string";
        final UnsignedInteger VALUE_2 = UnsignedInteger.valueOf(42);
        final UUID VALUE_3 = UUID.randomUUID();

        Map<String, Object> stringKeyedMap = new HashMap<>();
        stringKeyedMap.put("key1", VALUE_1);
        stringKeyedMap.put("key2", VALUE_2);
        stringKeyedMap.put("key3", VALUE_3);

        Map<Symbol, Object> symbolKeyedMap = new HashMap<>();
        symbolKeyedMap.put(Symbol.valueOf("key1"), VALUE_1);
        symbolKeyedMap.put(Symbol.valueOf("key2"), VALUE_2);
        symbolKeyedMap.put(Symbol.valueOf("key3"), VALUE_3);

        MessageAnnotations annotations = new MessageAnnotations(new HashMap<>());
        annotations.getValue().put(SYMBOL_1, stringKeyedMap);
        annotations.getValue().put(SYMBOL_2, symbolKeyedMap);

        encoder.writeObject(annotations);

        buffer.clear();

        final Object result = decoder.readObject();

        assertNotNull(result);
        assertTrue(result instanceof MessageAnnotations);

        MessageAnnotations readAnnotations = (MessageAnnotations) result;

        Map<Symbol, Object> resultMap = readAnnotations.getValue();

        assertEquals(annotations.getValue().size(), resultMap.size());
        assertEquals(resultMap.get(SYMBOL_1), stringKeyedMap);
        assertEquals(resultMap.get(SYMBOL_2), symbolKeyedMap);
    }
}