/*
 * 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.k.webhook;

import java.util.Collections;
import java.util.List;
import java.util.Map;

import org.apache.camel.Component;
import org.apache.camel.Consumer;
import org.apache.camel.Endpoint;
import org.apache.camel.Processor;
import org.apache.camel.Producer;
import org.apache.camel.component.webhook.WebhookCapableEndpoint;
import org.apache.camel.component.webhook.WebhookConfiguration;
import org.apache.camel.support.DefaultComponent;
import org.apache.camel.support.DefaultConsumer;
import org.apache.camel.support.DefaultEndpoint;

public class DummyWebhookComponent extends DefaultComponent {

    private final Runnable onRegister;

    private final Runnable onUnregister;

    public DummyWebhookComponent() {
        this(
            () -> {
            },
            () -> {
            }
        );
    }

    public DummyWebhookComponent(Runnable onRegister, Runnable onUnregister) {
        this.onRegister = onRegister;
        this.onUnregister = onUnregister;
    }

    @Override
    protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters) throws Exception {
        parameters.clear();
        return new DummyWebhookComponent.DummyWebhookEndpoint(uri, this);
    }

    class DummyWebhookEndpoint extends DefaultEndpoint implements WebhookCapableEndpoint {
        public DummyWebhookEndpoint(String endpointUri, Component component) {
            super(endpointUri, component);
        }

        @Override
        public Producer createProducer() throws Exception {
            throw new UnsupportedOperationException();
        }

        @Override
        public Consumer createConsumer(Processor processor) throws Exception {
            return new DummyWebhookConsumer(this, processor);
        }

        @Override
        public Processor createWebhookHandler(Processor next) {
            return next;
        }

        @Override
        public void registerWebhook() throws Exception {
            onRegister.run();
        }

        @Override
        public void unregisterWebhook() throws Exception {
            onUnregister.run();
        }

        @Override
        public void setWebhookConfiguration(WebhookConfiguration webhookConfiguration) {

        }

        @Override
        public List<String> getWebhookMethods() {
            return Collections.singletonList("POST");
        }

        class DummyWebhookConsumer extends DefaultConsumer {
            public DummyWebhookConsumer(Endpoint endpoint, Processor processor) {
                super(endpoint, processor);
            }

            @Override
            protected void doStart() throws Exception {
                throw new IllegalStateException("Webhook consumer must never be started");
            }
        }
    }
}
