namespace Htmx.ApiDemo.Templates.Components;

/// <summary>
/// shadcn-style Avatar component. Shows an image or falls back to initials.
/// Size: sm (h-8 w-8) | default (h-10 w-10) | lg (h-14 w-14) | xl (h-20 w-20)
/// </summary>
public sealed class Avatar : AvatarBase
{
    private static readonly Dictionary<string, string> Sizes = new()
    {
        ["sm"]      = "h-8 w-8",
        ["default"] = "h-10 w-10",
        ["lg"]      = "h-14 w-14",
        ["xl"]      = "h-20 w-20",
    };

    private readonly byte[] _sizeClassesData;
    private readonly byte[] _contentData;

    public Avatar(string fallback, string? src = null, string size = "default")
    {
        _sizeClassesData = Sizes.GetValueOrDefault(size, Sizes["default"]).ToUtf8Bytes();

        _contentData = !string.IsNullOrEmpty(src)
            ? $"""<img src="{src}" alt="{fallback}" class="aspect-square h-full w-full object-cover" />""".ToUtf8Bytes()
            : $"""<span class="flex h-full w-full items-center justify-center rounded-full bg-muted text-muted-foreground text-sm font-medium select-none">{fallback}</span>""".ToUtf8Bytes();
    }

    protected override void RenderSizeClasses(HtmxRenderContext ctx) => ctx.Writer.WriteUtf8(_sizeClassesData);
    protected override void RenderContent(HtmxRenderContext ctx)     => ctx.Writer.WriteUtf8(_contentData);
}