using AcDream.App.UI;
using AcDream.App.UI.Layout;

namespace AcDream.App.Tests.UI.Layout;

/// <summary>
/// Dat-free conformance tests for the committed chat_21000006.json golden fixture.
/// Verifies that LayoutImporter.ImportInfos correctly resolves the BaseElement /
/// BaseLayoutId inheritance chain for the chat window (LayoutDesc 0x21000006).
/// </summary>
public class ChatLayoutConformanceTests
{
    private static ElementInfo? Find(ElementInfo n, uint id)
    {
        if (n.Id == id) return n;
        foreach (var c in n.Children)
        {
            var f = Find(c, id);
            if (f is not null) return f;
        }
        return null;
    }

    [Fact]
    public void ChatFixture_ResolvesKnownElements()
    {
        var root = FixtureLoader.LoadChatInfos();
        Assert.NotNull(Find(root, 0x10000011u)); // transcript
        Assert.NotNull(Find(root, 0x10000016u)); // input
        Assert.NotNull(Find(root, 0x10000012u)); // scrollbar track
        Assert.NotNull(Find(root, 0x10000014u)); // channel menu
        Assert.NotNull(Find(root, 0x10000019u)); // send button
        Assert.NotNull(Find(root, 0x1000046Fu)); // max/min button
    }

    [Fact]
    public void ChatFixture_ResolvedTypes_MatchRetailRegistry()
    {
        var root = FixtureLoader.LoadChatInfos();
        Assert.Equal(6u,  Find(root, 0x10000014u)!.Type);  // Menu
        Assert.Equal(11u, Find(root, 0x10000012u)!.Type);  // Scrollbar
        Assert.Equal(1u,  Find(root, 0x10000019u)!.Type);  // Button (Send)
        Assert.Equal(1u,  Find(root, 0x1000046Fu)!.Type);  // Button (Max/Min)
        Assert.Equal(12u, Find(root, 0x10000011u)!.Type);  // Text/style-prototype (transcript)
        Assert.Equal(12u, Find(root, 0x10000016u)!.Type);  // Text/style-prototype (input)
    }

    [Fact]
    public void ChatFixture_BuildsSelectableTranscriptAndEditableInputInPlace()
    {
        var layout = FixtureLoader.LoadChat();

        var transcript = Assert.IsType<UiText>(layout.FindElement(0x10000011u));
        var input = Assert.IsType<UiField>(layout.FindElement(0x10000016u));

        Assert.True(transcript.Selectable);
        Assert.True(input.Selectable);
        Assert.True(input.OneLine);
        Assert.Equal(0x10000016u, input.DatElementId);
    }
}