// Copyright 2020-2025 The NATS Authors
// Licensed under the Apache License, Version 2.0

using Xunit.Abstractions;

namespace ZB.MOM.NatsNet.Server.IntegrationTests.Helpers;

/// <summary>
/// Base class for integration tests that require a live NATS cluster.
/// Tests are skipped when the cluster infrastructure is not available.
/// </summary>
[Trait("Category", "Integration")]
public abstract class IntegrationTestBase
{
    protected readonly ITestOutputHelper Output;

    protected IntegrationTestBase(ITestOutputHelper output)
    {
        Output = output;
    }

    /// <summary>
    /// Determines whether cluster integration tests should be skipped.
    /// Tests are skipped unless the NATS_INTEGRATION_TESTS environment variable is set to "true"
    /// or NATS_SERVER_URL is set to a valid cluster endpoint.
    /// </summary>
    protected static bool ShouldSkip()
    {
        var integrationEnabled = Environment.GetEnvironmentVariable("NATS_INTEGRATION_TESTS");
        if (string.Equals(integrationEnabled, "true", StringComparison.OrdinalIgnoreCase))
            return false;

        var serverUrl = Environment.GetEnvironmentVariable("NATS_SERVER_URL");
        if (!string.IsNullOrEmpty(serverUrl))
            return false;

        return true;
    }

    protected void Log(string message) => Output.WriteLine(message);
}