using Novelly.Api.Beats;
using Novelly.Api.Chapters;
using Novelly.Api.Characters;
using Novelly.Api.Projects;
using Novelly.Api.Questions;
using Novelly.Api.Scenes;
using Novelly.Api.Tags;

namespace Novelly.Api.Tests;

/// <summary>
/// Shared plumbing for the service tests: a fresh in-memory database and a matching set
/// of services per test.
/// </summary>
/// <remarks>
/// The setup lives in <c>[SetUp]</c> rather than a constructor or field initialisers
/// because NUnit builds one fixture instance for the whole class — anything created once
/// would leak state from one test into the next.
/// </remarks>
public abstract class ServiceTestFixture
{
    protected TestDatabase Db { get; private set; } = null!;
    protected TagService Tags { get; private set; } = null!;
    protected ProjectService Projects { get; private set; } = null!;
    protected CharacterService Characters { get; private set; } = null!;
    protected ChapterService Chapters { get; private set; } = null!;
    protected SceneService Scenes { get; private set; } = null!;
    protected BeatService Beats { get; private set; } = null!;
    protected CharacterArcService Arcs { get; private set; } = null!;
    protected OpenQuestionService Questions { get; private set; } = null!;

    protected CapturingLogger<ProjectService> ProjectLogs { get; private set; } = null!;
    protected CapturingLogger<CharacterService> CharacterLogs { get; private set; } = null!;
    protected CapturingLogger<ChapterService> ChapterLogs { get; private set; } = null!;
    protected CapturingLogger<SceneService> SceneLogs { get; private set; } = null!;
    protected CapturingLogger<BeatService> BeatLogs { get; private set; } = null!;
    protected CapturingLogger<TagService> TagLogs { get; private set; } = null!;
    protected CapturingLogger<CharacterArcService> ArcLogs { get; private set; } = null!;
    protected CapturingLogger<OpenQuestionService> QuestionLogs { get; private set; } = null!;

    [SetUp]
    public void SetUpFixture()
    {
        Db = new TestDatabase();

        TagLogs = new CapturingLogger<TagService>();
        ProjectLogs = new CapturingLogger<ProjectService>();
        CharacterLogs = new CapturingLogger<CharacterService>();
        ChapterLogs = new CapturingLogger<ChapterService>();
        SceneLogs = new CapturingLogger<SceneService>();
        BeatLogs = new CapturingLogger<BeatService>();
        ArcLogs = new CapturingLogger<CharacterArcService>();
        QuestionLogs = new CapturingLogger<OpenQuestionService>();

        Tags = new TagService(Db.Context, TagLogs);
        Projects = new ProjectService(Db.Context, ProjectLogs);
        Characters = new CharacterService(Db.Context, Tags, CharacterLogs);
        Chapters = new ChapterService(Db.Context, Tags, ChapterLogs);
        Scenes = new SceneService(Db.Context, SceneLogs);
        Beats = new BeatService(Db.Context, Tags, BeatLogs);
        Arcs = new CharacterArcService(Db.Context, ArcLogs);
        Questions = new OpenQuestionService(Db.Context, QuestionLogs);

        OnSetUp();
    }

    /// <summary>Runs after the services exist, for per-class seed data.</summary>
    protected virtual void OnSetUp()
    {
    }

    [TearDown]
    public void TearDownFixture() => Db.Dispose();
}