//
// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
//

using System;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.SqlTools.Hosting.Protocol;
using Microsoft.SqlTools.ServiceLayer.IntegrationTests.Utility;
using Microsoft.SqlTools.ServiceLayer.Profiler;
using Microsoft.SqlTools.ServiceLayer.Profiler.Contracts;
using Microsoft.SqlTools.ServiceLayer.Test.Common;
using Moq;
using NUnit.Framework;

namespace Microsoft.SqlTools.ServiceLayer.IntegrationTests.Profiler
{
    public class ProfilerServiceTests
    {
        /// <summary>
        /// Verify that a start profiling request starts a profiling session
        /// </summary>
        //[Test]
        public async Task TestHandleStartAndStopProfilingRequests()
        {
            using (SelfCleaningTempFile queryTempFile = new SelfCleaningTempFile())
            {
                var connectionResult = await LiveConnectionHelper.InitLiveConnectionInfoAsync("master", queryTempFile.FilePath);

                ProfilerService profilerService = new ProfilerService();

                // start a new session
                var startParams = new StartProfilingParams();
                startParams.OwnerUri = connectionResult.ConnectionInfo.OwnerUri;
                startParams.SessionName = "Standard";

                string sessionId = null;
                var startContext = new Mock<RequestContext<StartProfilingResult>>();
                startContext.Setup(rc => rc.SendResult(It.IsAny<StartProfilingResult>()))
                    .Returns<StartProfilingResult>((result) =>
                    {
                        // capture the session id for sending the stop message
                        return Task.FromResult(0);
                    });

                await profilerService.HandleStartProfilingRequest(startParams, startContext.Object);

                startContext.VerifyAll();

                // wait a bit for the session monitoring to initialize
                Thread.Sleep(TimeSpan.FromHours(1));

                // stop the session
                var stopParams = new StopProfilingParams()
                {
                    OwnerUri = sessionId
                };

                var stopContext = new Mock<RequestContext<StopProfilingResult>>();
                stopContext.Setup(rc => rc.SendResult(It.IsAny<StopProfilingResult>()))
                    .Returns(Task.FromResult(0));

                await profilerService.HandleStopProfilingRequest(stopParams, stopContext.Object);

                stopContext.VerifyAll();
            }
        }

        /// <summary>
        /// Verify  the profiler service XEvent session factory
        /// </summary>
        //[Test]
        public void TestCreateXEventSession()
        {
            var liveConnection = LiveConnectionHelper.InitLiveConnectionInfo("master");
            ProfilerService profilerService = new ProfilerService();
            IXEventSession xeSession = profilerService.GetXEventSession("Profiler", liveConnection.ConnectionInfo);
            Assert.NotNull(xeSession);
            Assert.NotNull(xeSession.GetTargetXml());
        }
    }
}