using MeetingAssistant.MeetingNotes;
using MeetingAssistant.Recording;

namespace MeetingAssistant.Tests;

public sealed class MeetingArtifactContentDetectorTests
{
    [Fact]
    public async Task IsDefaultOnlyReturnsFalseWhenTranscriptContainsSegment()
    {
        using var fixture = await DefaultArtifactFixture.CreateAsync();
        await File.AppendAllTextAsync(
            fixture.Artifacts.TranscriptPath,
            "[00:00:01] Guest-1: hello" + Environment.NewLine);

        var result = await MeetingArtifactContentDetector.IsDefaultOnlyAsync(
            fixture.Artifacts,
            CancellationToken.None);

        Assert.False(result);
    }

    [Fact]
    public async Task IsDefaultOnlyReturnsFalseWhenMeetingNoteContainsUserNotes()
    {
        using var fixture = await DefaultArtifactFixture.CreateAsync();
        await File.AppendAllTextAsync(
            fixture.Artifacts.MeetingNotePath,
            "Manual note" + Environment.NewLine);

        var result = await MeetingArtifactContentDetector.IsDefaultOnlyAsync(
            fixture.Artifacts,
            CancellationToken.None);

        Assert.False(result);
    }

    private sealed class DefaultArtifactFixture : IDisposable
    {
        private DefaultArtifactFixture(string root, MeetingSessionArtifacts artifacts)
        {
            Root = root;
            Artifacts = artifacts;
        }

        public string Root { get; }

        public MeetingSessionArtifacts Artifacts { get; }

        public static async Task<DefaultArtifactFixture> CreateAsync()
        {
            var root = Path.Combine(Path.GetTempPath(), "meeting-assistant-tests", Guid.NewGuid().ToString("N"));
            Directory.CreateDirectory(root);
            var artifacts = new MeetingSessionArtifacts(
                Path.Combine(root, "meeting.md"),
                Path.Combine(root, "transcript.md"),
                Path.Combine(root, "assistant-context.md"),
                Path.Combine(root, "summary.md"));
            await File.WriteAllTextAsync(
                artifacts.MeetingNotePath,
                """
                ---
                title: Test
                ---

                """);
            await File.WriteAllTextAsync(
                artifacts.TranscriptPath,
                "# Meeting Transcript" + Environment.NewLine + Environment.NewLine);
            await File.WriteAllTextAsync(
                artifacts.AssistantContextPath,
                "# Assistant Context" + Environment.NewLine + Environment.NewLine + "## Live Context" + Environment.NewLine);

            return new DefaultArtifactFixture(root, artifacts);
        }

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