import { cn } from "~/lib/utils.ts";
import type { Option } from "./discover-state.ts";

// 一行单选芯片(选中用 pill-selected);标签在左,窄屏横向滚动。allLabel 给了就多一个「不限」芯片(value 为空)。

export function ChipRow({
  label,
  options,
  value,
  onChange,
  allLabel,
}: {
  label: string;
  options: Option[];
  value: string | undefined;
  onChange: (v: string | undefined) => void;
  allLabel?: string;
}) {
  const all = allLabel ? [{ value: "", label: allLabel }, ...options] : options;
  return (
    <div className="flex min-w-0 items-center gap-3">
      <span className="w-10 shrink-0 text-meta text-muted-foreground">{label}</span>
      <fieldset aria-label={label} className="scroll-bleed flex min-w-0 gap-1 overflow-x-auto border-0">
        {all.map((o) => {
          const on = (value ?? "") === o.value;
          return (
            <button
              key={o.value || "_all"}
              type="button"
              aria-pressed={on}
              onClick={() => onChange(o.value || undefined)}
              className={cn(
                "h-7 shrink-0 cursor-pointer rounded-full border border-transparent px-2.5 text-meta whitespace-nowrap text-muted-foreground outline-none transition-colors duration-micro hover:text-foreground focus-visible:ring-2 focus-visible:ring-ring",
                on && "pill-selected text-foreground",
              )}
            >
              {o.label}
            </button>
          );
        })}
      </fieldset>
    </div>
  );
}