namespace BuildFlow.Architecture.Tests;

using Xunit;

/// <summary>
/// 工作流持久化任务和 Host 调度边界的源码架构测试。
/// </summary>
public class WorkflowJobArchitectureTests
{
    [Fact]
    public void ProcessEngineShouldNotUseProcessLocalTimerTasks()
    {
        var source = ReadSource("src/modules/workflow/Application/Engine/ProcessEngine.cs");

        Assert.DoesNotContain("Task.Run", source);
        Assert.DoesNotContain("timer:{", source);
    }

    private static string ReadSource(string relativePath)
    {
        return File.ReadAllText(Path.Combine(
            FindRepoRoot().FullName,
            relativePath.Replace('/', Path.DirectorySeparatorChar)));
    }

    private static DirectoryInfo FindRepoRoot()
    {
        var current = new DirectoryInfo(AppContext.BaseDirectory);
        while (current is not null)
        {
            if (File.Exists(Path.Combine(current.FullName, "BuildFlow.slnx"))) return current;
            current = current.Parent;
        }

        throw new InvalidOperationException("无法定位 BuildFlow.slnx，无法验证工作流任务架构边界。");
    }
}