/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the "Elastic License
 * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
 * Public License v 1"; you may not use this file except in compliance with, at
 * your election, the "Elastic License 2.0", the "GNU Affero General Public
 * License v3.0 only", or the "Server Side Public License, v 1".
 */

package org.elasticsearch.transport;

import org.elasticsearch.common.network.NetworkAddress;
import org.elasticsearch.common.transport.BoundTransportAddress;
import org.elasticsearch.common.transport.TransportAddress;
import org.elasticsearch.test.ESTestCase;
import org.elasticsearch.xcontent.ToXContent;
import org.elasticsearch.xcontent.XContentBuilder;
import org.elasticsearch.xcontent.XContentFactory;

import java.io.IOException;
import java.net.InetAddress;
import java.util.Collections;
import java.util.Map;

public class TransportInfoTests extends ESTestCase {

    private TransportInfo createTransportInfo(InetAddress address, int port) {
        BoundTransportAddress boundAddress = new BoundTransportAddress(
            new TransportAddress[] { new TransportAddress(address, port) },
            new TransportAddress(address, port)
        );
        Map<String, BoundTransportAddress> profiles = Collections.singletonMap("test_profile", boundAddress);
        return new TransportInfo(boundAddress, profiles);
    }

    public void testCorrectlyDisplayPublishedCname() throws Exception {
        InetAddress address = InetAddress.getByName("localhost");
        int port = 9200;
        assertPublishAddress(createTransportInfo(address, port), "localhost/" + NetworkAddress.format(address) + ':' + port);
    }

    public void testCorrectDisplayPublishedIp() throws Exception {
        InetAddress address = InetAddress.getByName(NetworkAddress.format(InetAddress.getByName("localhost")));
        int port = 9200;
        assertPublishAddress(createTransportInfo(address, port), NetworkAddress.format(address) + ':' + port);
    }

    public void testCorrectDisplayPublishedIpv6() throws Exception {
        InetAddress address = InetAddress.getByName(NetworkAddress.format(InetAddress.getByName("0:0:0:0:0:0:0:1")));
        int port = 9200;
        assertPublishAddress(createTransportInfo(address, port), new TransportAddress(address, port).toString());
    }

    @SuppressWarnings("unchecked")
    private void assertPublishAddress(TransportInfo httpInfo, String expected) throws IOException {
        XContentBuilder builder = XContentFactory.jsonBuilder();
        builder.startObject();
        httpInfo.toXContent(builder, ToXContent.EMPTY_PARAMS);
        builder.endObject();

        Map<String, Object> transportMap;
        try (var parser = createParser(builder)) {
            transportMap = (Map<String, Object>) parser.map().get(TransportInfo.Fields.TRANSPORT);
        }
        Map<String, Object> profilesMap = (Map<String, Object>) transportMap.get("profiles");
        assertEquals(expected, transportMap.get(TransportInfo.Fields.PUBLISH_ADDRESS));
        assertEquals(expected, ((Map<String, Object>) profilesMap.get("test_profile")).get(TransportInfo.Fields.PUBLISH_ADDRESS));
    }
}