/*
 * 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.camel.spring.boot;

import org.apache.camel.CamelContext;
import org.apache.camel.ProducerTemplate;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.main.BaseMainSupport;
import org.apache.camel.main.MainListener;
import org.apache.camel.main.MainListenerSupport;
import org.apache.camel.test.spring.junit5.CamelSpringBootTest;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.test.annotation.DirtiesContext;

import java.util.ArrayList;
import java.util.List;

@DirtiesContext
@CamelSpringBootTest
@EnableAutoConfiguration
@SpringBootTest
public class CamelMainListenerTest {

    private static final MyMainListener MY_MAIN_LISTENER = new MyMainListener();

    @Configuration
    static class Config {

        @Bean
        RouteBuilder routeBuilder() {
            return new RouteBuilder() {
                @Override
                public void configure() throws Exception {
                    from("direct:start").to("mock:result");
                }
            };
        }

        @Bean
        public MainListener myMainListener() {
            return MY_MAIN_LISTENER;
        }

    }

    @Autowired
    CamelContext camelContext;

    @Autowired
    ProducerTemplate producerTemplate;

    @Test
    public void testMainListener() throws InterruptedException {
        MockEndpoint mockEndpoint = camelContext.getEndpoint("mock:result", MockEndpoint.class);
        mockEndpoint.expectedMessageCount(1);

        producerTemplate.sendBody("direct:start", "Hello World");

        mockEndpoint.assertIsSatisfied();

        Assertions.assertEquals(5, MY_MAIN_LISTENER.order.size());
        Assertions.assertEquals("beforeInitialize", MY_MAIN_LISTENER.order.get(0));
        Assertions.assertEquals("beforeConfigure", MY_MAIN_LISTENER.order.get(1));
        Assertions.assertEquals("afterConfigure", MY_MAIN_LISTENER.order.get(2));
        Assertions.assertEquals("beforeStart", MY_MAIN_LISTENER.order.get(3));
        Assertions.assertEquals("afterStart", MY_MAIN_LISTENER.order.get(4));

        // stop should trigger more listeners
        camelContext.stop();

        Assertions.assertEquals(7, MY_MAIN_LISTENER.order.size());
        Assertions.assertEquals("beforeStop", MY_MAIN_LISTENER.order.get(5));
        Assertions.assertEquals("afterStop", MY_MAIN_LISTENER.order.get(6));
    }

    public static class MyMainListener extends MainListenerSupport {

        private final List<String> order = new ArrayList<>();

        @Override
        public void beforeInitialize(BaseMainSupport main) {
            order.add("beforeInitialize");
        }

        @Override
        public void beforeConfigure(BaseMainSupport main) {
            order.add("beforeConfigure");
        }

        @Override
        public void afterConfigure(BaseMainSupport main) {
            order.add("afterConfigure");
        }

        @Override
        public void beforeStart(BaseMainSupport main) {
            order.add("beforeStart");
        }

        @Override
        public void afterStart(BaseMainSupport main) {
            order.add("afterStart");
        }

        @Override
        public void beforeStop(BaseMainSupport main) {
            order.add("beforeStop");
        }

        @Override
        public void afterStop(BaseMainSupport main) {
            order.add("afterStop");
        }
    }

}
