// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using Aspire.Components.Common.Tests;
using Aspire.Hosting.ApplicationModel;
using Aspire.Hosting.Utils;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Diagnostics.HealthChecks;
using Xunit;
using Xunit.Abstractions;
 
namespace Aspire.Hosting.Azure.Tests;
 
public class AzureCosmosDBEmulatorFunctionalTests(ITestOutputHelper testOutputHelper)
{
    [Fact]
    [RequiresDocker]
    public async Task VerifyWaitForOnCosmosDBEmulatorBlocksDependentResources()
    {
        // Cosmos can be pretty slow to spin up, lets give it plenty of time.
        var cts = new CancellationTokenSource(TimeSpan.FromMinutes(5));
        using var builder = TestDistributedApplicationBuilder.Create(testOutputHelper);
 
        var healthCheckTcs = new TaskCompletionSource<HealthCheckResult>();
        builder.Services.AddHealthChecks().AddAsyncCheck("blocking_check", () =>
        {
            return healthCheckTcs.Task;
        });
 
        var resource = builder.AddAzureCosmosDB("resource")
                              .RunAsEmulator()
                              .WithHealthCheck("blocking_check");
 
        var dependentResource = builder.AddAzureCosmosDB("dependentresource")
                                       .RunAsEmulator()
                                       .WaitFor(resource);
 
        using var app = builder.Build();
 
        var pendingStart = app.StartAsync(cts.Token);
 
        var rns = app.Services.GetRequiredService<ResourceNotificationService>();
 
        await rns.WaitForResourceAsync(resource.Resource.Name, KnownResourceStates.Running, cts.Token);
 
        await rns.WaitForResourceAsync(dependentResource.Resource.Name, KnownResourceStates.Waiting, cts.Token);
 
        healthCheckTcs.SetResult(HealthCheckResult.Healthy());
 
        await rns.WaitForResourceAsync(resource.Resource.Name, (re => re.Snapshot.HealthStatus == HealthStatus.Healthy), cts.Token);
 
        await rns.WaitForResourceAsync(dependentResource.Resource.Name, KnownResourceStates.Running, cts.Token);
 
        await pendingStart;
 
        await app.StopAsync();
    }
 
}