/*
 * 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 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 or the Server
 * Side Public License, v 1.
 */
package org.elasticsearch.common.logging;


import org.elasticsearch.test.ESTestCase;
import org.hamcrest.Matchers;
import org.junit.BeforeClass;


public class ESJsonLayoutTests extends ESTestCase {
    @BeforeClass
    public static void initNodeName() {
        JsonLogsTestSetup.init();
    }

    public void testEmptyType() {
        expectThrows(IllegalArgumentException.class, () -> ESJsonLayout.newBuilder().build());
    }

    public void testLayout() {

        ESJsonLayout server = ESJsonLayout.newBuilder()
                                          .setType("server")
                                          .build();
        String conversionPattern = server.getPatternLayout().getConversionPattern();

        assertThat(conversionPattern, Matchers.equalTo(
            "{" +
                "\"type\": \"server\", " +
                "\"timestamp\": \"%d{yyyy-MM-dd'T'HH:mm:ss,SSSZZ}\", " +
                "\"level\": \"%p\", " +
                "\"component\": \"%c{1.}\", " +
                "\"cluster.name\": \"${sys:es.logs.cluster_name}\", " +
                "\"node.name\": \"%node_name\", " +
                "\"message\": \"%notEmpty{%enc{%marker}{JSON} }%enc{%.-10000m}{JSON}\"" +
                "%notEmpty{, %node_and_cluster_id }" +
                "%exceptionAsJson }" + System.lineSeparator()));
    }

    public void testLayoutWithAdditionalFields() {
        ESJsonLayout server = ESJsonLayout.newBuilder()
                                          .setType("server")
                                          .setESMessageFields("x-opaque-id,someOtherField")
                                          .build();
        String conversionPattern = server.getPatternLayout().getConversionPattern();

        assertThat(conversionPattern, Matchers.equalTo(
            "{" +
                "\"type\": \"server\", " +
                "\"timestamp\": \"%d{yyyy-MM-dd'T'HH:mm:ss,SSSZZ}\", " +
                "\"level\": \"%p\", " +
                "\"component\": \"%c{1.}\", " +
                "\"cluster.name\": \"${sys:es.logs.cluster_name}\", " +
                "\"node.name\": \"%node_name\", " +
                "\"message\": \"%notEmpty{%enc{%marker}{JSON} }%enc{%.-10000m}{JSON}\"" +
                "%notEmpty{, \"x-opaque-id\": \"%ESMessageField{x-opaque-id}\"}" +
                "%notEmpty{, \"someOtherField\": \"%ESMessageField{someOtherField}\"}" +
                "%notEmpty{, %node_and_cluster_id }" +
                "%exceptionAsJson }" + System.lineSeparator()));
    }

    public void testLayoutWithAdditionalFieldOverride() {
        ESJsonLayout server = ESJsonLayout.newBuilder()
                                          .setType("server")
                                          .setESMessageFields("message")
                                          .build();
        String conversionPattern = server.getPatternLayout().getConversionPattern();

        assertThat(conversionPattern, Matchers.equalTo(
            "{" +
                "\"type\": \"server\", " +
                "\"timestamp\": \"%d{yyyy-MM-dd'T'HH:mm:ss,SSSZZ}\", " +
                "\"level\": \"%p\", " +
                "\"component\": \"%c{1.}\", " +
                "\"cluster.name\": \"${sys:es.logs.cluster_name}\", " +
                "\"node.name\": \"%node_name\"" +
                "%notEmpty{, \"message\": \"%ESMessageField{message}\"}" +
                "%notEmpty{, %node_and_cluster_id }" +
                "%exceptionAsJson }" + System.lineSeparator()));
    }
}
