acdream/tests/AcDream.App.Tests/UI/Layout/CharacterPanelLiveDatTests.cs

using System.Numerics;
using AcDream.App.UI.Layout;
using DatReaderWriter;

namespace AcDream.App.Tests.UI.Layout;

/// <summary>
/// Campaign CT slice CT1 (2026-08-24) pins: the DAT ground truth for the
/// character panel (LayoutDesc <c>0x2100002E</c>) that slices CT2–CT6 build
/// against. Findings + raw probe excerpts live in
/// <c>docs/research/2026-08-24-campaign-ct-dat-ground-truth.md</c>. Follows
/// the durable-pin pattern of <see cref="ScrollbarSkinLiveDatTests"/> /
/// <see cref="TooltipSkinLiveDatTests"/> — assertions, not dumps — so a DAT
/// revision or importer regression that silently changes any of these
/// authored facts fails loudly instead of drifting unnoticed into CT2–CT6.
///
/// <para>Decomp anchors: header elements are bound by
/// <c>gmStatManagementUI::PostInit @0x004EFD90</c>; the Titles page by
/// <c>gmCharacterTitleUI::PostInit @0x0049A610</c>.</para>
/// </summary>
[Trait("Lane", "InstalledDat")]
public sealed class CharacterPanelLiveDatTests
{
    private static string DatDirectory =>
        Environment.GetEnvironmentVariable("ACDREAM_DAT_DIR")
        ?? Path.Combine(
            Environment.GetFolderPath(Environment.SpecialFolder.UserProfile),
            "Documents", "Asheron's Call");

    private static IEnumerable<ElementInfo> Flatten(ElementInfo e)
    {
        yield return e;
        foreach (var c in e.Children)
            foreach (var d in Flatten(c))
                yield return d;
    }

    /// <summary>
    /// Header identity + level elements, bound by
    /// <c>gmStatManagementUI::PostInit @0x004EFD90</c>. Pins item 4 (the PK
    /// line is authored pure white — the CT4 bug is in the controller's
    /// runtime color choice, NOT a DAT-reading gap) and item 5 (the level
    /// color is a pale gold with an authored outline, not
    /// <c>CharacterStatController</c>'s current deeper-orange
    /// <c>Gold</c> constant). Both header occurrences (Attributes-page and
    /// Skills-page chains) are asserted identical — the harmless
    /// "duplicated stat-management branches" quirk documented on
    /// <c>PrepareSkillScrollbar</c>.
    /// </summary>
    [InstalledDatFact]
    public void HeaderElements_AuthorExpectedFontsAndColors()
    {
        using var dats = new DatCollection(DatDirectory, DatReaderWriter.Options.DatAccessType.Read);
        ElementInfo? tree = LayoutImporter.ImportInfos(dats, 0x2100002Eu);
        Assert.NotNull(tree);

        var nameOccurrences = Flatten(tree!).Where(e => e.Id == CharacterStatController.NameId).ToList();
        Assert.Equal(2, nameOccurrences.Count); // Attributes-page + Skills-page duplicate chains
        foreach (var name in nameOccurrences)
        {
            Assert.Equal(0x40000001u, name.FontDid);
            Assert.Equal(Vector4.One, name.FontColor);
        }

        // CT1 fix round: hoisted to .ToList() + an explicit count assertion.
        // A bare `foreach (x in seq.Where(...))` with no count check passes
        // vacuously if the importer ever returns an empty sequence — it
        // proves nothing about the two Attributes/Skills duplicate chains
        // actually being present.
        var heritageOccurrences = Flatten(tree!).Where(e => e.Id == CharacterStatController.HeritageId).ToList();
        Assert.Equal(2, heritageOccurrences.Count);
        foreach (var heritage in heritageOccurrences)
        {
            Assert.Equal(0x40000002u, heritage.FontDid);
            Assert.Equal(Vector4.One, heritage.FontColor);
            Assert.Equal(5, heritage.MarginLeft);
            Assert.Equal(5, heritage.MarginRight);
        }

        // Item 4: PK status line is authored PURE WHITE.
        var pkOccurrences = Flatten(tree!).Where(e => e.Id == CharacterStatController.PkStatusId).ToList();
        Assert.Equal(2, pkOccurrences.Count);
        foreach (var pk in pkOccurrences)
        {
            Assert.Equal(0x40000002u, pk.FontDid);
            Assert.Equal(Vector4.One, pk.FontColor);
        }

        // Item 5: level color is a pale gold (~RGB 255/242/127) WITH an
        // authored outline — CharacterStatController.Gold (1, 0.82, 0.36, 1)
        // with no outline is a divergent hand-picked runtime color.
        var levelOccurrences = Flatten(tree!).Where(e => e.Id == CharacterStatController.LevelId).ToList();
        Assert.Equal(2, levelOccurrences.Count);
        foreach (var level in levelOccurrences)
        {
            Assert.Equal(0x40000010u, level.FontDid);
            Assert.True(level.Outline);
            Assert.NotNull(level.FontColor);
            Assert.Equal(1f, level.FontColor!.Value.X, precision: 3);
            Assert.Equal(0.949f, level.FontColor!.Value.Y, precision: 2);
            Assert.Equal(0.498f, level.FontColor!.Value.Z, precision: 2);
        }

        var xpLabelOccurrences = Flatten(tree!).Where(e => e.Id == CharacterStatController.XpNextLabelId).ToList();
        Assert.Equal(2, xpLabelOccurrences.Count);
        foreach (var xpLabel in xpLabelOccurrences)
            Assert.Equal(0x40000000u, xpLabel.FontDid);

        var xpValueOccurrences = Flatten(tree!).Where(e => e.Id == CharacterStatController.XpNextValueId).ToList();
        Assert.Equal(2, xpValueOccurrences.Count);
        foreach (var xpValue in xpValueOccurrences)
            Assert.Equal(0x40000000u, xpValue.FontDid);
    }

    /// <summary>
    /// The stat ListBox (<c>0x1000023D</c>) authors a five-entry template
    /// list in LayoutDesc <c>0x21000045</c>: one shared icon+name+value data
    /// row (<c>0x10000248</c>) plus four skill section-header captions
    /// (<c>0x10000249..0x1000024C</c>). Pins the roster + the ListBox's own
    /// authored scrollbar linkage.
    /// </summary>
    [InstalledDatFact]
    public void StatListBox_AuthorsFiveRowTemplatesInSharedLayout()
    {
        using var dats = new DatCollection(DatDirectory, DatReaderWriter.Options.DatAccessType.Read);
        ElementInfo? tree = LayoutImporter.ImportInfos(dats, 0x2100002Eu);
        Assert.NotNull(tree);

        // Duplicated once per Attributes-page/Skills-page chain, same as the
        // header block — both copies are asserted identical.
        var listBoxes = Flatten(tree!).Where(e => e.Id == CharacterStatController.ListBoxId).ToList();
        Assert.Equal(2, listBoxes.Count);
        uint[] expected =
        {
            0x10000248u, 0x10000249u, 0x1000024Au, 0x1000024Bu, 0x1000024Cu,
        };
        foreach (ElementInfo listBox in listBoxes)
        {
            // CT1 fix round: authored ListBox rect — CT5's row alignment
            // and CT6's resize/scrollbar contract both depend on this.
            Assert.Equal(0f, listBox.X);
            Assert.Equal(112f, listBox.Y);
            Assert.Equal(300f, listBox.Width);
            Assert.Equal(160f, listBox.Height);

            Assert.Equal(CharacterStatController.ListScrollbarId, listBox.ScrollbarElementId);
            Assert.Equal(5, listBox.TemplateList.Count);
            foreach (uint id in expected)
            {
                Assert.Contains(
                    listBox.TemplateList,
                    t => t.TemplateLayoutId == 0x21000045u && t.TemplateElementId == id);
            }
        }

        // CT1 fix round: the ListBox's own authored scrollbar rect — the
        // "always reserved" gutter CT5/CT6 both depend on.
        var scrollbars = Flatten(tree!).Where(e => e.Id == CharacterStatController.ListScrollbarId).ToList();
        Assert.Equal(2, scrollbars.Count);
        foreach (ElementInfo scrollbar in scrollbars)
        {
            Assert.Equal(281f, scrollbar.X);
            Assert.Equal(16f, scrollbar.Width);
            Assert.Equal(160f, scrollbar.Height);
        }
    }

    /// <summary>
    /// The shared attribute/skill data-row template (<c>0x10000248</c> in
    /// LayoutDesc <c>0x21000045</c>) — the icon/name/value geometry CT5
    /// implements against. NOTE: this element is intentionally unreachable
    /// via <see cref="LayoutImporter.ImportInfos(DatReaderWriter.IDatReaderWriter,uint)"/>'s
    /// whole-layout overload (the <c>#375</c> same-layout template-list skip
    /// filter) — the targeted single-root overload
    /// (<c>ImportInfos(dats, layoutId, elementId)</c>) is required, the same
    /// seam <c>UiTemplateListBox</c>'s <c>TemplateResolver</c> already uses.
    /// </summary>
    [InstalledDatFact]
    public void AttributeRowTemplate_IconIsFlushLeftTwentyPixels_NameAndValueAreFixedColumns()
    {
        using var dats = new DatCollection(DatDirectory, DatReaderWriter.Options.DatAccessType.Read);
        ElementInfo? row = LayoutImporter.ImportInfos(dats, 0x21000045u, 0x10000248u);
        Assert.NotNull(row);

        Assert.Equal(282f, row!.Width);
        Assert.Equal(20f, row.Height);
        Assert.Equal(0x06004CC2u, row.StateMedia["Normal"].File);
        // Row-template Highlight sprite (0x06000F93) — CharacterStatController's
        // current RowHighlightSprite private constant is 0x06001397. CT1's
        // fix round upgraded this from a flagged divergence to a SEALED
        // VERDICT (gmAttributeUI::UpdateSelection SetState(6) ->
        // InfoRegion::SetState on this exact template); 0x06001397 belongs
        // to the spellbook row's separate selected-overlay mechanism. CT5
        // fixes RowHighlightSprite for the stat rows only; see the research
        // doc's "Corrections to the plan" §3.
        Assert.Equal(0x06000F93u, row.StateMedia["Highlight"].File);

        ElementInfo icon = Assert.Single(row.Children, c => c.Id == 0x10000129u);
        Assert.Equal(0f, icon.X);
        Assert.Equal(0f, icon.Y);
        Assert.Equal(20f, icon.Width);
        Assert.Equal(20f, icon.Height);

        ElementInfo name = Assert.Single(row.Children, c => c.Id == 0x1000012Au);
        Assert.Equal(25f, name.X);
        Assert.Equal(150f, name.Width);
        Assert.Equal(HJustify.Left, name.HJustify);
        Assert.Equal(0x40000001u, name.FontDid);

        ElementInfo value = Assert.Single(row.Children, c => c.Id == 0x1000012Bu);
        Assert.Equal(175f, value.X);
        Assert.Equal(100f, value.Width);
        Assert.Equal(HJustify.Right, value.HJustify);
        Assert.Equal(0x40000001u, value.FontDid);

        // Item 2: 7px gap between the value's right edge (275) and the row's
        // own right edge (282) — the authored margin the owner reported.
        Assert.Equal(7f, row.Width - (value.X + value.Width));
    }

    /// <summary>
    /// The four skill section-header caption templates already match
    /// <c>CharacterStatController</c>'s existing sprite constants exactly —
    /// a regression guard, not a bug pin (unlike the data-row template
    /// above).
    /// </summary>
    [InstalledDatFact]
    public void SkillSectionHeaderTemplates_MatchExistingSpriteConstants()
    {
        using var dats = new DatCollection(DatDirectory, DatReaderWriter.Options.DatAccessType.Read);

        (uint elementId, uint expectedSprite)[] headers =
        {
            (0x10000249u, 0x06000F90u), // SkillHeaderSpecializedSprite
            (0x1000024Au, 0x06000F86u), // SkillHeaderTrainedSprite
            (0x1000024Bu, 0x06000F98u), // SkillHeaderUntrainedSprite
            (0x1000024Cu, 0x06000F89u), // SkillHeaderUnusableSprite
        };
        foreach (var (elementId, expectedSprite) in headers)
        {
            ElementInfo? header = LayoutImporter.ImportInfos(dats, 0x21000045u, elementId);
            Assert.NotNull(header);
            Assert.Equal(280f, header!.Width);
            Assert.Equal(20f, header.Height);
            Assert.Equal(expectedSprite, header.StateMedia[""].File);
        }
    }

    /// <summary>
    /// The Titles page (<c>gmCharacterTitleUI::PostInit @0x0049A610</c>)
    /// element roster: display-title text <c>0x1000052F</c>, title ListBox
    /// <c>0x10000532</c> (with its scrollbar linkage + row-template
    /// reference), "Set as Display Title" button <c>0x10000535</c> (with the
    /// authored Ghosted default state matching the ghost-when-current
    /// contract).
    /// </summary>
    [InstalledDatFact]
    public void TitlesPage_ElementRosterExists()
    {
        using var dats = new DatCollection(DatDirectory, DatReaderWriter.Options.DatAccessType.Read);
        ElementInfo? tree = LayoutImporter.ImportInfos(dats, 0x2100002Eu);
        Assert.NotNull(tree);

        ElementInfo page = Assert.Single(Flatten(tree!), e => e.Id == 0x10000539u);
        Assert.Equal(300f, page.Width);
        Assert.Equal(575f, page.Height);

        ElementInfo displayTitle = Assert.Single(page.Children, c => c.Id == 0x1000052Fu);
        Assert.Equal(0x40000001u, displayTitle.FontDid);
        Assert.Equal(HJustify.Center, displayTitle.HJustify);

        ElementInfo listBox = Assert.Single(page.Children, c => c.Id == 0x10000532u);
        Assert.Equal(5u, listBox.Type); // Type-5 ListBox
        Assert.Equal(0x10000533u, listBox.ScrollbarElementId);
        UiTemplateListEntry template = Assert.Single(listBox.TemplateList);
        Assert.Equal(0x2100005Eu, template.TemplateLayoutId);
        Assert.Equal(0x10000536u, template.TemplateElementId);

        ElementInfo setDisplayButton = Assert.Single(page.Children, c => c.Id == 0x10000535u);
        Assert.Equal(1u, setDisplayButton.Type); // Type-1 button
        Assert.Equal(65, setDisplayButton.MinWidth);
        Assert.Equal("Ghosted", setDisplayButton.DefaultStateName);
    }

    /// <summary>
    /// The title row template (<c>0x10000536</c> in LayoutDesc
    /// <c>0x2100005E</c>) — a single-line text row, no icon column, 24px
    /// tall. Same targeted-root-overload requirement as the stat row
    /// templates.
    /// </summary>
    [InstalledDatFact]
    public void TitleRowTemplate_IsSingleLineTextRowWithNoIconColumn()
    {
        using var dats = new DatCollection(DatDirectory, DatReaderWriter.Options.DatAccessType.Read);
        ElementInfo? row = LayoutImporter.ImportInfos(dats, 0x2100005Eu, 0x10000536u);
        Assert.NotNull(row);

        Assert.Equal(270f, row!.Width);
        Assert.Equal(24f, row.Height);
        // DirectState (the "" key), not a named "Normal" state.
        Assert.Equal(0x06004CCAu, row.StateMedia[""].File);
        Assert.Equal(0x06001AAFu, row.StateMedia["Highlight"].File);

        ElementInfo text = Assert.Single(row.Children);
        Assert.Equal(0x10000537u, text.Id);
        Assert.Equal(270f, text.Width);
        Assert.Equal(24f, text.Height);
        Assert.Equal(HJustify.Left, text.HJustify);
        Assert.Equal(6, text.MarginLeft);
        Assert.Equal(6, text.MarginRight);
        Assert.Equal(0x40000001u, text.FontDid);
    }

    /// <summary>
    /// Item 3/7 ground truth: the character window's imported root
    /// (<c>0x10000227</c>, the Type-8 TabControl <c>ImportInfos</c> returns
    /// and <c>RetailUiRuntime.MountCharacter</c> mounts) authors NO
    /// MinWidth/MinHeight/MaxWidth/MaxHeight — unlike e.g. the side-vitals
    /// window (LayoutDesc <c>0x21000075</c>) whose root DOES author
    /// 0x3C..0x3F directly. Pinned so CT6 doesn't waste a cycle assuming a
    /// simple "read the DAT property" fix is available for this window;
    /// see the research doc's "Corrections to the plan" §1.
    /// </summary>
    [InstalledDatFact]
    public void CharacterWindowRoot_AuthorsNoSizeConstraints()
    {
        using var dats = new DatCollection(DatDirectory, DatReaderWriter.Options.DatAccessType.Read);
        ElementInfo? tree = LayoutImporter.ImportInfos(dats, 0x2100002Eu);
        Assert.NotNull(tree);
        Assert.Equal(0x10000227u, tree!.Id);
        Assert.Equal(8u, tree.Type); // Type-8 TabControl

        Assert.Null(tree.MinWidth);
        Assert.Null(tree.MinHeight);
        Assert.Null(tree.MaxWidth);
        Assert.Null(tree.MaxHeight);
    }

    /// <summary>
    /// Comparison point for the pin above: the chat window's root DOES
    /// author explicit size constraints, because unlike the character
    /// panel's content-only layout, <c>0x2100006F</c>'s root IS a
    /// self-contained window element (its own dragbar/border/resize-grip
    /// children).
    /// </summary>
    [InstalledDatFact]
    public void ChatWindowRoot_AuthorsExplicitSizeConstraints()
    {
        using var dats = new DatCollection(DatDirectory, DatReaderWriter.Options.DatAccessType.Read);
        ElementInfo? tree = LayoutImporter.ImportInfos(dats, 0x2100006Fu);
        Assert.NotNull(tree);
        Assert.Equal(0x10000600u, tree!.Id);

        Assert.Equal(300, tree.MinWidth);
        Assert.Equal(100, tree.MinHeight);
        Assert.Equal(2000, tree.MaxWidth);
        Assert.Equal(2000, tree.MaxHeight);
    }

    /// <summary>
    /// The title-string table chain
    /// (<c>CharacterTitleTable::GetCharacterTitleFromID @0x005c6ed0</c>):
    /// title id → <c>EnumMapper(0x22000041)</c> canonical name →
    /// <c>compute_str_hash</c> → <c>StringTable(0x2300000E)</c> localized
    /// text. Both DIDs are resolved via the two-level
    /// <c>DBObj::GetDIDByEnum</c> master-map chain (master map
    /// <c>0x25000000</c> → category map → target DID) — see the research
    /// doc §5 for the full derivation. Verified end to end against ACE's
    /// <c>CharacterTitle.WarMage = 13</c>.
    /// </summary>
    [InstalledDatFact]
    public void TitleStringTable_ResolvesWarMageEndToEnd()
    {
        using var dats = new DatCollection(DatDirectory, DatReaderWriter.Options.DatAccessType.Read);

        bool gotMapper = dats.Portal.TryGet<DatReaderWriter.DBObjs.EnumMapper>(
            0x22000041u, out var titleEnumMapper);
        Assert.True(gotMapper);
        Assert.NotNull(titleEnumMapper);
        string raw = titleEnumMapper!.IdToStringMap[13u].ToString();
        Assert.Equal("ID_CharacterTitle_War_Mage", raw);

        uint hash = DatStringResolver.ComputeHash(raw);
        Assert.Equal(0x0543AF05u, hash);

        var resolver = new DatStringResolver(dats);
        string? resolved = resolver.Resolve(0x2300000Eu, hash);
        Assert.Equal("War Mage", resolved);
    }
}