#region License

/*
 * 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.
 */

#endregion

using System;
using System.Threading.Tasks;
using Gremlin.Net.Driver;
using Gremlin.Net.Driver.Exceptions;
using Gremlin.Net.Driver.Messages;
using Gremlin.Net.IntegrationTest.Util;
using Xunit;

namespace Gremlin.Net.IntegrationTest.Driver
{
    public class MessagesTests
    {
        private readonly RequestMessageProvider _requestMessageProvider = new();
        private static readonly string TestHost = ConfigProvider.Configuration["TestServerIpAddress"]!;
        private static readonly int TestPort = Convert.ToInt32(ConfigProvider.Configuration["TestServerPort"]);

        [Fact]
        public async Task ShouldThrowForInvalidOperation()
        {
            var gremlinServer = new GremlinServer(TestHost, TestPort);
            using (var gremlinClient = new GremlinClient(gremlinServer))
            {
                var ivalidOperationName = "invalid";
                var requestMsg = RequestMessage.Build(ivalidOperationName).Create();

                var thrownException =
                    await Assert.ThrowsAsync<ResponseException>(async () =>
                    {
                        var resultSet = await gremlinClient.SubmitAsync<dynamic>(requestMsg);
                        await resultSet.ToListAsync();
                    });

                Assert.Contains("Failed to interpret Gremlin query", thrownException.Message);
                Assert.Contains(ivalidOperationName, thrownException.Message);
            }
        }

        [Fact]
        public async Task ShouldThrowForUnsupportedLanguage()
        {
            var gremlinServer = new GremlinServer(TestHost, TestPort);
            using (var gremlinClient = new GremlinClient(gremlinServer))
            {
                var unknownLanguage = "unknown";
                var requestMsg =
                    RequestMessage.Build("g.inject(1)")
                        .AddField(Tokens.ArgsLanguage, unknownLanguage)
                        .Create();

                var thrownException =
                    await Assert.ThrowsAsync<ResponseException>(async () =>
                    {
                        var resultSet = await gremlinClient.SubmitAsync<object>(requestMsg);
                        await resultSet.ToListAsync();
                    });

                Assert.Contains("Script engine [unknown] is not available.", thrownException.Message);
            }
        }
    }
}
