namespace HSchool.Content;

/// <summary>
/// Layers apparel occupies. Code, not a def — new layers are a rebuild, like
/// <see cref="PersonRoles"/>.
/// </summary>
public static class ApparelLayers
{
    public const string Underwear = "Underwear";
    public const string UpperUnderwear = "UpperUnderwear";
    public const string Socks = "Socks";
    public const string Bottom = "Bottom";
    public const string Top = "Top";
    public const string OverTop = "OverTop";
    public const string Outer = "Outer";
    public const string Shoes = "Shoes";
    public const string Head = "Head";
    public const string Accessory = "Accessory";

    public static readonly IReadOnlyList<string> All =
        [Underwear, UpperUnderwear, Socks, Bottom, Top, OverTop, Outer, Shoes, Head, Accessory];

    public static bool IsKnown(string layer) =>
        All.Any(candidate => candidate.Equals(layer, StringComparison.Ordinal));

    public static bool IsUnder(string layer) =>
        layer.Equals(Underwear, StringComparison.Ordinal)
        || layer.Equals(UpperUnderwear, StringComparison.Ordinal)
        || layer.Equals(Socks, StringComparison.Ordinal);
}

/// <summary>
/// ColorDef appropriateness tags. School rules filter these, not color names.
/// </summary>
public static class ColorTags
{
    public const string Neutral = "neutral";
    public const string Bright = "bright";
    public const string School = "school";

    public static readonly IReadOnlyList<string> All = [Neutral, Bright, School];

    public static bool IsKnown(string tag) =>
        All.Any(candidate => candidate.Equals(tag, StringComparison.Ordinal));
}

/// <summary>Bottom length for the short-form dress code. Omit on things that have no hem.</summary>
public static class SkirtLengths
{
    public const string Regular = "regular";
    public const string Short = "short";

    public static readonly IReadOnlyList<string> All = [Regular, Short];

    public static bool IsKnown(string length) =>
        All.Any(candidate => candidate.Equals(length, StringComparison.Ordinal));
}

public sealed class ColorDef : Def
{
    public IReadOnlyList<string> Tags { get; init; } = [];
}