using System.Text.RegularExpressions;

namespace AcDream.App.Tests.Physics;

/// <summary>
/// C3c-F1 (2026-08-02): source pins for the App-side halves of the
/// movement-owner application seams whose production graphs have no
/// focused harness (the inbound network-update controller's dependency
/// set is composition-only). The Runtime lifecycle matrices carry the
/// behavioral coverage; these pins keep the App wiring routed through the
/// owner's typed entries instead of the throwing direct mutations that
/// crashed the connected lifecycle gate twice
/// (logs/connected-world-gate-20260802-122749 — SetCharacterSkills;
/// logs/connected-world-gate-20260802-125907 — ApplyPhysicsState).
/// </summary>
public sealed class C3cF1ProductionWiringTests
{
    [Fact]
    public void LocalPlayerInboundSetState_RoutesThroughTheTypedOwnerEntry()
    {
        string source = ReadSource(
            "Physics",
            "LiveEntityNetworkUpdateController.cs");

        Assert.Single(
            Regex.Matches(source, @"ApplyServerPhysicsState\(")
                .Cast<Match>());
        Assert.DoesNotContain(
            ".ApplyPhysicsState(",
            source,
            StringComparison.Ordinal);
    }

    private static string ReadSource(params string[] relativePath)
    {
        DirectoryInfo? directory = new(AppContext.BaseDirectory);
        while (directory is not null)
        {
            if (File.Exists(Path.Combine(directory.FullName, "AcDream.slnx")))
            {
                return File.ReadAllText(Path.Combine(
                    directory.FullName,
                    "src",
                    "AcDream.App",
                    Path.Combine(relativePath)));
            }

            directory = directory.Parent;
        }

        throw new DirectoryNotFoundException("Could not find AcDream.slnx.");
    }
}