using System.IO;
using FluentAssertions;
using StellaOps.TestKit;
using StellaOps.Testing.Determinism;
using Xunit;

namespace StellaOps.Testing.Determinism.Tests;

public sealed partial class DeterminismSummaryTests
{
    [Trait("Category", TestCategories.Unit)]
    [Fact]
    public async Task WriteToFileAsync_CreatesValidJsonFileAsync()
    {
        var summary = new DeterminismSummaryBuilder()
            .WithSourceRef("test-sha")
            .AddResult(CreateMatchResult("sbom", "test-artifact"))
            .Build();

        var filePath = Path.Combine(_testDirectory, "determinism.json");

        await DeterminismSummaryWriter.WriteToFileAsync(summary, filePath);

        File.Exists(filePath).Should().BeTrue();
        var content = await File.ReadAllTextAsync(filePath);
        content.Should().Contain("\"schemaVersion\": \"1.0\"");
        content.Should().Contain("\"sourceRef\": \"test-sha\"");
        content.Should().Contain("\"status\": \"pass\"");
    }

    [Trait("Category", TestCategories.Unit)]
    [Fact]
    public async Task WriteToFileAsync_CreatesDirectoryIfNeededAsync()
    {
        var summary = new DeterminismSummaryBuilder().Build();
        var filePath = Path.Combine(_testDirectory, "nested", "dir", "determinism.json");

        await DeterminismSummaryWriter.WriteToFileAsync(summary, filePath);

        File.Exists(filePath).Should().BeTrue();
    }

    [Trait("Category", TestCategories.Unit)]
    [Fact]
    public void ToJson_ReturnsValidJson()
    {
        var summary = new DeterminismSummaryBuilder()
            .AddResult(CreateMatchResult("sbom", "artifact"))
            .AddResult(CreateDriftResult("vex", "document"))
            .Build();

        var json = DeterminismSummaryWriter.ToJson(summary);

        json.Should().Contain("\"schemaVersion\": \"1.0\"");
        json.Should().Contain("\"status\": \"fail\"");
        json.Should().Contain("\"total\": 2");
        json.Should().Contain("\"matched\": 1");
        json.Should().Contain("\"drifted\": 1");
    }
}