using w4c_workflows.Services.Execution;

namespace w4c_workflows.Tests;

/// <summary>A self-cleaning temp directory for executor tests.</summary>
internal sealed class TempDir : IDisposable
{
    public string Path { get; }

    public TempDir()
    {
        Path = System.IO.Path.Combine(System.IO.Path.GetTempPath(), "wf-test-" + Guid.NewGuid().ToString("N"));
        Directory.CreateDirectory(Path);
    }

    public string Write(string relativePath, string content)
    {
        var full = System.IO.Path.Combine(Path, relativePath);
        var dir = System.IO.Path.GetDirectoryName(full);
        if (!string.IsNullOrEmpty(dir))
            Directory.CreateDirectory(dir);
        File.WriteAllText(full, content);
        return full;
    }

    public void Dispose()
    {
        try { Directory.Delete(Path, recursive: true); } catch { /* best effort */ }
    }
}

internal static class Invocation
{
    /// <summary>Builds a minimal task invocation for a single-file language.</summary>
    public static TaskInvocation For(
        string language,
        string entryFile,
        string? input = null,
        string? workingDir = null,
        string? entryFunction = null)
        => new(
            TaskInvocation.TypeValue,
            "run-1",
            "task-1",
            "task-key",
            language,
            entryFile,
            entryFunction,
            new Dictionary<string, string>(),
            input,
            workingDir,
            "tenant-1",
            1);
}