/*
 *   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.skywalking.apm.plugin.nats.client.define;

import net.bytebuddy.description.method.MethodDescription;
import net.bytebuddy.matcher.ElementMatcher;
import org.apache.skywalking.apm.agent.core.plugin.interceptor.ConstructorInterceptPoint;
import org.apache.skywalking.apm.agent.core.plugin.interceptor.InstanceMethodsInterceptPoint;
import org.apache.skywalking.apm.agent.core.plugin.match.ClassMatch;

import static net.bytebuddy.matcher.ElementMatchers.named;
import static net.bytebuddy.matcher.ElementMatchers.takesArguments;
import static org.apache.skywalking.apm.agent.core.plugin.match.NameMatch.byName;

public class NatsConnectionWriterInstrumentation extends AbstractWitnessInstrumentation {

    private static final String ENHANCE_CLASS = "io.nats.client.impl.NatsConnectionWriter";
    private static final String PUBLISH_INTERCEPTOR_CLASS_NAME = "org.apache.skywalking.apm.plugin.nats.client.WriterSendMessageBatchInterceptor";
    private static final String QUEUE_INTERCEPTOR_CLASS_NAME = "org.apache.skywalking.apm.plugin.nats.client.WriterQueueInterceptor";
    private static final String CONSTRUCTOR_INTERCEPTOR_CLASS_NAME = "org.apache.skywalking.apm.plugin.nats.client.NatsConnectionWriterConstructorInterceptor";

    @Override
    protected ClassMatch enhanceClass() {
        return byName(ENHANCE_CLASS);
    }

    @Override
    public ConstructorInterceptPoint[] getConstructorsInterceptPoints() {
        return new ConstructorInterceptPoint[] {
            new ConstructorInterceptPoint() {
                @Override
                public ElementMatcher<MethodDescription> getConstructorMatcher() {
                    return takesArguments(1);
                }

                @Override
                public String getConstructorInterceptor() {
                    return CONSTRUCTOR_INTERCEPTOR_CLASS_NAME;
                }
            }
        };
    }

    @Override
    public InstanceMethodsInterceptPoint[] getInstanceMethodsInterceptPoints() {
        return new InstanceMethodsInterceptPoint[]{
                new InstanceMethodsInterceptPoint() {
                    @Override
                    public ElementMatcher<MethodDescription> getMethodsMatcher() {
                        return named("queue").and(takesArguments(1));
                    }

                    @Override
                    public String getMethodsInterceptor() {
                        return QUEUE_INTERCEPTOR_CLASS_NAME;
                    }

                    @Override
                    public boolean isOverrideArgs() {
                        return false;
                    }
                },
                new InstanceMethodsInterceptPoint() {
                    @Override
                    public ElementMatcher<MethodDescription> getMethodsMatcher() {
                        return named("sendMessageBatch").and(takesArguments(3));
                    }

                    @Override
                    public String getMethodsInterceptor() {
                        return PUBLISH_INTERCEPTOR_CLASS_NAME;
                    }

                    @Override
                    public boolean isOverrideArgs() {
                        return false;
                    }
                }
        };
    }

}
