namespace ItWorx.KnowledgeHub.Domain.Tests;

using ItWorx.KnowledgeHub.Domain.Knowledge;

/// <summary>V2-R1 (audit finding M3): a draft must capture every field the editor
/// actually lets a user change, not just title/Markdown, so a metadata-only edit is
/// recoverable exactly like a content edit is.</summary>
public sealed class DraftTests
{
    private static readonly DateTimeOffset Now = new(2026, 8, 3, 12, 0, 0, TimeSpan.Zero);

    [Fact]
    public void Create_captures_tags_document_type_status_and_change_summary()
    {
        var draft = Draft.Create(
            Guid.NewGuid(), Guid.NewGuid(), "draft-key", null, null,
            "Titel", "Markdown", ["netwerk", "referentie"], "Runbook", "Active", "Kleine wijziging",
            Now, TimeSpan.FromDays(14));

        Assert.Equal(["netwerk", "referentie"], draft.Tags);
        Assert.Equal("Runbook", draft.DocumentType);
        Assert.Equal("Active", draft.DocumentStatus);
        Assert.Equal("Kleine wijziging", draft.ChangeSummary);
    }

    [Fact]
    public void Create_with_no_metadata_defaults_to_an_empty_tag_list_and_null_metadata_never_null_reference()
    {
        var draft = Draft.Create(
            Guid.NewGuid(), Guid.NewGuid(), "draft-key", null, null,
            "Titel", "Markdown", null, null, null, null, Now, TimeSpan.FromDays(14));

        Assert.Empty(draft.Tags);
        Assert.Null(draft.DocumentType);
        Assert.Null(draft.DocumentStatus);
        Assert.Null(draft.ChangeSummary);
    }

    [Fact]
    public void Update_replaces_every_field_including_a_metadata_only_change()
    {
        var draft = Draft.Create(
            Guid.NewGuid(), Guid.NewGuid(), "draft-key", null, null,
            "Titel", "Markdown", ["oud"], "WikiPage", "Draft", null, Now, TimeSpan.FromDays(14));

        draft.Update("Titel", "Markdown", ["nieuw"], "Runbook", "Active", "Bijgewerkt", Now.AddMinutes(1), TimeSpan.FromDays(14));

        Assert.Equal(["nieuw"], draft.Tags);
        Assert.Equal("Runbook", draft.DocumentType);
        Assert.Equal("Active", draft.DocumentStatus);
        Assert.Equal("Bijgewerkt", draft.ChangeSummary);
        Assert.Equal(Now.AddMinutes(1), draft.UpdatedAt);
        Assert.Equal(Now.AddMinutes(1).AddDays(14), draft.ExpiresAt);
    }
}