using FluentAssertions;
using FreeCode.Tools;
using FreeCode.Tests.Unit.Helpers;
using Xunit;

namespace FreeCode.Tests.Unit.Tools;

public sealed class GlobToolTests : IDisposable
{
    private readonly string _tempDirectory = Path.Combine(Path.GetTempPath(), "free-code-tests", Guid.NewGuid().ToString("N"));
    private readonly GlobTool _sut = new();

    public GlobToolTests()
    {
        Directory.CreateDirectory(Path.Combine(_tempDirectory, "sub"));
        File.WriteAllText(Path.Combine(_tempDirectory, "alpha.txt"), "a");
        File.WriteAllText(Path.Combine(_tempDirectory, "sub", "beta.txt"), "b");
        File.WriteAllText(Path.Combine(_tempDirectory, "sub", "gamma.cs"), "c");
    }

    [Fact]
    public async Task ExecuteAsync_FindsMatchingFiles()
    {
        var result = await _sut.ExecuteAsync(new GlobToolInput("**/*.txt", _tempDirectory), TestHelper.CreateContext());

        result.IsError.Should().BeFalse();
        result.Data.Matches.Should().ContainSingle(path => path.EndsWith("beta.txt", StringComparison.Ordinal));
    }

    [Fact]
    public async Task ExecuteAsync_WithNoMatches_ReturnsEmpty()
    {
        var result = await _sut.ExecuteAsync(new GlobToolInput("**/*.md", _tempDirectory), TestHelper.CreateContext());

        result.IsError.Should().BeFalse();
        result.Data.Matches.Should().BeEmpty();
    }

    public void Dispose()
    {
        if (Directory.Exists(_tempDirectory))
        {
            Directory.Delete(_tempDirectory, recursive: true);
        }
    }
}