using ClaudeDo.Worker.Hub;
using ClaudeDo.Worker.Lifecycle;
using ClaudeDo.Worker.Tests.Infrastructure;
using Microsoft.Extensions.Logging.Abstractions;

namespace ClaudeDo.Worker.Tests.Lifecycle;

public sealed class UntrackedWorktreeRecoveryTests : IDisposable
{
    private readonly DbFixture _db = new();

    public void Dispose() => _db.Dispose();

    [Fact]
    public void FindUntrackedPaths_PathNotInDb_IsReturned()
    {
        var registered = new[] { @"C:\repo\.worktrees\abc123" };
        var db = new[] { @"C:\repo\.worktrees\def456" };

        var untracked = UntrackedWorktreeRecovery.FindUntrackedPaths(registered, db);

        Assert.Equal(registered, untracked);
    }

    [Fact]
    public void FindUntrackedPaths_PathInDb_IsExcluded()
    {
        var registered = new[] { @"C:\repo\.worktrees\abc123" };
        var db = new[] { @"C:\repo\.worktrees\abc123" };

        var untracked = UntrackedWorktreeRecovery.FindUntrackedPaths(registered, db);

        Assert.Empty(untracked);
    }

    [Fact]
    public void FindUntrackedPaths_DifferentCasingAndSeparators_StillMatches()
    {
        var registered = new[] { @"C:\repo\.worktrees\abc123\" };
        var db = new[] { "c:/repo/.worktrees/ABC123" };

        var untracked = UntrackedWorktreeRecovery.FindUntrackedPaths(registered, db);

        Assert.Empty(untracked);
    }

    [Fact]
    public void FindUntrackedPaths_EmptyDb_ReturnsAllRegistered()
    {
        var registered = new[] { @"C:\repo\.worktrees\abc123", @"C:\repo\.worktrees\def456" };

        var untracked = UntrackedWorktreeRecovery.FindUntrackedPaths(registered, Array.Empty<string>());

        Assert.Equal(registered, untracked);
    }

    [Theory]
    [InlineData(@"C:\src\.claudedo-worktrees\lager-app\412-fix", @"C:\Users\x\.claudeDo\worktrees", true)]
    [InlineData(@"C:\src\.claudedo-worktrees\planning\abc123", @"C:\Users\x\.claudeDo\worktrees", false)]
    [InlineData(@"C:\Users\x\.claudeDo\worktrees\lager-app\412-fix", @"C:\Users\x\.claudeDo\worktrees", true)]
    [InlineData(@"C:\Users\x\.claudeDo\worktrees\planning\abc123", @"C:\Users\x\.claudeDo\worktrees", false)]
    [InlineData(@"C:\src\my-own-worktree", @"C:\Users\x\.claudeDo\worktrees", false)]
    public void IsTaskWorktreePath(string path, string centralRoot, bool expected)
    {
        if (!OperatingSystem.IsWindows()) return;
        Assert.Equal(expected, UntrackedWorktreeRecovery.IsTaskWorktreePath(path, centralRoot));
    }

    [Fact]
    public async Task StartAsync_NoLists_DoesNotThrow()
    {
        var hubContext = new CapturingHubContext();
        var sut = new UntrackedWorktreeRecovery(
            _db.CreateFactory(),
            new ClaudeDo.Data.Git.GitService(),
            new HubBroadcaster(hubContext),
            new ClaudeDo.Worker.Config.WorkerConfig(),
            NullLogger<UntrackedWorktreeRecovery>.Instance);

        await sut.StartAsync(CancellationToken.None);
        await sut.StopAsync(CancellationToken.None);

        Assert.Contains(hubContext.Proxy.Calls, c =>
            c.Method == "OperationProgress" && (string)c.Args[0]! == "startup-recovery");
    }
}