namespace Htmx.ApiDemo.Templates.Components;

/// <summary>
/// shadcn-style Badge component.
/// Variant: default | secondary | destructive | outline
/// </summary>
public sealed class Badge : BadgeBase
{
    private static readonly Dictionary<string, string> VariantClasses = new()
    {
        ["default"]     = "bg-primary text-primary-foreground hover:bg-primary/80",
        ["secondary"]   = "bg-secondary text-secondary-foreground hover:bg-secondary/80",
        ["destructive"] = "bg-destructive text-destructive-foreground hover:bg-destructive/80",
        ["outline"]     = "text-foreground border border-input hover:bg-accent",
    };

    private const string BaseClasses =
        "inline-flex items-center rounded-full px-2.5 py-0.5 text-xs font-semibold transition-colors " +
        "focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-2";

    private readonly byte[] _textData;
    private readonly byte[] _classesData;

    public Badge(string text, string variant = "default")
    {
        _textData    = text.ToUtf8Bytes();
        var v        = VariantClasses.GetValueOrDefault(variant, VariantClasses["default"]);
        _classesData = $"{BaseClasses} {v}".ToUtf8Bytes();
    }

    protected override void RenderText(HtmxRenderContext ctx)    => ctx.Writer.WriteUtf8(_textData);
    protected override void RenderClasses(HtmxRenderContext ctx) => ctx.Writer.WriteUtf8(_classesData);
}