using ClaudeDo.Data.Git;
using ClaudeDo.Worker.Tests.Infrastructure;

namespace ClaudeDo.Worker.Tests.Runner;

public class GitServiceMergeTests : IDisposable
{
    private readonly List<GitRepoFixture> _repos = new();

    private GitRepoFixture NewRepo()
    {
        var r = new GitRepoFixture();
        _repos.Add(r);
        return r;
    }

    public void Dispose()
    {
        foreach (var r in _repos) try { r.Dispose(); } catch { }
    }

    [Fact]
    public async Task GetCurrentBranchAsync_FreshRepo_ReturnsDefaultBranch()
    {
        if (!GitRepoFixture.IsGitAvailable()) return;

        var repo = NewRepo();
        var git = new GitService();

        var branch = await git.GetCurrentBranchAsync(repo.RepoDir);

        Assert.False(string.IsNullOrWhiteSpace(branch));
        // Default branch is either "main" or "master" depending on git config.
        Assert.True(branch == "main" || branch == "master",
            $"Expected main or master, got '{branch}'");
    }

    [Fact]
    public async Task ListLocalBranchesAsync_AfterCreatingSecondBranch_ReturnsBoth()
    {
        if (!GitRepoFixture.IsGitAvailable()) return;

        var repo = NewRepo();
        GitRepoFixture.RunGit(repo.RepoDir, "branch", "feature/x");

        var git = new GitService();
        var branches = await git.ListLocalBranchesAsync(repo.RepoDir);

        Assert.Contains("feature/x", branches);
        Assert.True(branches.Any(b => b == "main" || b == "master"));
    }
}