import { ChevronRight } from "lucide-react";
import type { PersonaState } from "@/shared/ai-elements/persona";
import { cn } from "@/shared/ui/cn";
import { AgentPersona } from "./agent-persona";

type AgentCollapsedRailProps = {
  personaState?: PersonaState;
  statusLabel?: string;
  onExpand: () => void;
};

export function AgentCollapsedRail({
  personaState,
  statusLabel = "Agent 已就绪",
  onExpand
}: AgentCollapsedRailProps) {
  const expandLabel = `展开 Agent 助手面板，当前状态：${statusLabel}`;

  return (
    <aside
      aria-label="Agent 折叠栏"
      className={cn(
        "agent-rail-enter surface-dock pointer-events-auto w-[72px] rounded-2xl border p-1.5 shadow-[0_8px_24px_rgba(15,23,42,0.1)]"
      )}
    >
      <button
        type="button"
        aria-label={expandLabel}
        title={expandLabel}
        onClick={onExpand}
        className="agent-rail-item surface-control group relative flex h-14 w-full items-center justify-center rounded-xl border hover:bg-white"
      >
        <AgentPersona className="h-11 w-11" state={personaState} />
        <span className="agent-panel-primary-icon absolute bottom-0.5 right-0.5 grid h-5 w-5 place-items-center rounded-md border-0! shadow-xs transition-transform group-hover:translate-x-0.5">
          <ChevronRight size={13} strokeWidth={2.5} aria-hidden="true" />
        </span>
      </button>
    </aside>
  );
}