ai-chatbot/components/sidebar-history-item.tsx

"use client";

import { memo } from "react";
import { useChatVisibility } from "@/hooks/use-chat-visibility";
import type { Chat } from "@/lib/db/schema";
import {
  CheckCircleFillIcon,
  GlobeIcon,
  LockIcon,
  MoreHorizontalIcon,
  ShareIcon,
  TrashIcon,
} from "./icons";
import {
  DropdownMenu,
  DropdownMenuContent,
  DropdownMenuItem,
  DropdownMenuPortal,
  DropdownMenuSub,
  DropdownMenuSubContent,
  DropdownMenuSubTrigger,
  DropdownMenuTrigger,
} from "./ui/dropdown-menu";
import {
  SidebarMenuAction,
  SidebarMenuButton,
  SidebarMenuItem,
} from "./ui/sidebar";

const PureChatItem = ({
  chat,
  isActive,
  onDelete,
  setOpenMobile,
}: {
  chat: Chat;
  isActive: boolean;
  onDelete: (chatId: string) => void;
  setOpenMobile: (open: boolean) => void;
}) => {
  const { visibilityType, setVisibilityType } = useChatVisibility({
    chatId: chat.id,
    initialVisibilityType: chat.visibility,
  });

  const handleNavigation = (e: React.MouseEvent) => {
    e.preventDefault();
    setOpenMobile(false);
    window.location.href = `/chat/${chat.id}`;
  };

  return (
    <SidebarMenuItem>
      <SidebarMenuButton asChild isActive={isActive}>
        <a 
          href={`/chat/${chat.id}`}
          onClick={handleNavigation}
        >
          <span>{chat.title}</span>
        </a>
      </SidebarMenuButton>

      <DropdownMenu modal={true}>
        <DropdownMenuTrigger asChild>
          <SidebarMenuAction
            className="mr-0.5 data-[state=open]:bg-sidebar-accent data-[state=open]:text-sidebar-accent-foreground"
            showOnHover={!isActive}
          >
            <MoreHorizontalIcon />
            <span className="sr-only">更多操作</span>
          </SidebarMenuAction>
        </DropdownMenuTrigger>

        <DropdownMenuContent align="end" side="bottom">
          <DropdownMenuSub>
            <DropdownMenuSubTrigger className="cursor-pointer">
              <ShareIcon />
              <span>分享</span>
            </DropdownMenuSubTrigger>
            <DropdownMenuPortal>
              <DropdownMenuSubContent>
                <DropdownMenuItem
                  className="cursor-pointer flex-row justify-between"
                  onClick={() => {
                    setVisibilityType("private");
                  }}
                >
                  <div className="flex flex-row items-center gap-2">
                    <LockIcon size={12} />
                    <span>仅自己可见</span>
                  </div>
                  {visibilityType === "private" ? (
                    <CheckCircleFillIcon />
                  ) : null}
                </DropdownMenuItem>
                <DropdownMenuItem
                  className="cursor-pointer flex-row justify-between"
                  onClick={() => {
                    setVisibilityType("public");
                  }}
                >
                  <div className="flex flex-row items-center gap-2">
                    <GlobeIcon />
                    <span>公开</span>
                  </div>
                  {visibilityType === "public" ? <CheckCircleFillIcon /> : null}
                </DropdownMenuItem>
              </DropdownMenuSubContent>
            </DropdownMenuPortal>
          </DropdownMenuSub>

          <DropdownMenuItem
            className="cursor-pointer text-destructive focus:bg-destructive/15 focus:text-destructive dark:text-red-500"
            onSelect={() => onDelete(chat.id)}
          >
            <TrashIcon />
            <span>删除</span>
          </DropdownMenuItem>
        </DropdownMenuContent>
      </DropdownMenu>
    </SidebarMenuItem>
  );
};

export const ChatItem = memo(PureChatItem, (prevProps, nextProps) => {
  if (prevProps.isActive !== nextProps.isActive) {
    return false;
  }
  return true;
});