using Elastic.Clients.Elasticsearch.IndexManagement;

using ElasticSearchStudy.Core;

namespace ElasticSearchStudy.UnitTest
{
    public class UseElasticSearchTest
    {
        private readonly ITestOutputHelper _output;
        private readonly ElasticsearchClient _client;

        public UseElasticSearchTest(ITestOutputHelper outputHelper)
        {
            _output = outputHelper;

            var elasticSetting = new ElasticsearchClientSettings(new Uri("https://127.0.0.1:9201"))
                .CertificateFingerprint("e57ce099af49fb34742cddffe1271c4ed709ef29649537fe89e6bee32728444d")
                .Authentication(new BasicAuthentication("elastic", "es-461400"))
                //.DefaultIndex("student")
                ;

            _client = new ElasticsearchClient(elasticSetting);
        }

        /// <summary>
        /// 请求ES服务主页
        /// </summary>
        [Fact]
        public void Ping_Test()
        {
            var pingResponse = _client.Ping();

            if (pingResponse.IsSuccess())
            {
                _output.WriteLine($"请求成功,{pingResponse.DebugInformation}");
            }
            else
            {
                _output.WriteLine("请求失败");
            }

            Assert.True(pingResponse.IsSuccess());
        }

        /// <summary>
        /// 集群健康信息
        /// </summary>
        [Fact]
        public void Health_Test()
        {
            var response =  _client.Cluster.Health();

            Assert.True(response.IsSuccess());

            //输出信息
            _output.WriteLine($"集群名称：{response.ClusterName}");
            _output.WriteLine($"集群状态：{response.Status}");
            _output.WriteLine($"节点数量：{response.NumberOfNodes}");
            _output.WriteLine($"数据节点：{response.NumberOfNodes}");
            _output.WriteLine($"索引数量：{response.Indices?.Count ?? 0}");
            if (response.Indices != null)
            {
                foreach (var node in response.Indices)
                {
                    _output.WriteLine($"Key={node.Key},value={node.Value}");
                }
            }
            _output.WriteLine($"ActiveShards：{response.ActiveShards}");
            _output.WriteLine($"ActivePrimaryShards：{response.ActivePrimaryShards}");
            _output.WriteLine($"ApiCallDetails：{response.ApiCallDetails}");
            _output.WriteLine($"错误信息：{response.ElasticsearchServerError}");
            _output.WriteLine($"警告信息：{string.Join("", response.ElasticsearchWarnings)}");
        }

        /// <summary>
        /// 节点信息
        /// </summary>
        [Fact]
        public void Node_Test()
        {
            var response = _client.Info();

            Assert.True(response.IsSuccess());

            //输出信息
            _output.WriteLine($"节点名称：{response.Name}");
            _output.WriteLine($"集群名称：{response.ClusterName}");
            _output.WriteLine($"集群UUID：{response.ClusterUuid}");
            _output.WriteLine($"ES标语：{response.Tagline}");
            _output.WriteLine($"版本号：{response.Version.Number}");
            _output.WriteLine($"构建风格：{response.Version.BuildFlavor}");
            _output.WriteLine($"构建类型：{response.Version.BuildType}");
            _output.WriteLine($"构建哈希：{response.Version.BuildHash}");
            _output.WriteLine($"构建日期：{response.Version.BuildDate}");
            _output.WriteLine($"生成快照：{response.Version.BuildSnapshot}");
            _output.WriteLine($"Lucene版本：{response.Version.LuceneVersion}");
            _output.WriteLine($"最低兼容性版本：{response.Version.MinimumWireCompatibilityVersion}");
            _output.WriteLine($"最小索引兼容性版本 ：{response.Version.MinimumIndexCompatibilityVersion}");
            _output.WriteLine($"错误信息：{response.ElasticsearchServerError}");
            _output.WriteLine($"警告信息：{string.Join("", response.ElasticsearchWarnings)}");
        }

        /// <summary>
        /// 向student索引，添加文档
        /// </summary>
        [Fact]
        public void AddDocument_Test()
        {
            var stu = new Student()
            {
                Name = "Test",
                Age =55,
                School = "太康二高",
                Grade = "五一班",
                Address ="太康县县委家属楼xxx"
            };

            var request = new IndexRequest<Student>(document: stu,index: "student");

            var response = _client.Index(request);

            Assert.True(response.IsSuccess());

            
        }
    }
}