import Link from "next/link";
import { memo } from "react";
import { toast } from "sonner";
import { useChatVisibility } from "@/hooks/use-chat-visibility";
import type { VisibilityType } from "./visibility-selector";

type Chat = {
  id: string;
  title: string;
  createdAt: string | Date;
  visibility: VisibilityType;
};

import {
  DropdownMenu,
  DropdownMenuContent,
  DropdownMenuItem,
  DropdownMenuPortal,
  DropdownMenuSub,
  DropdownMenuSubContent,
  DropdownMenuSubTrigger,
  DropdownMenuTrigger,
} from "../ui/dropdown-menu";
import {
  SidebarMenuAction,
  SidebarMenuButton,
  SidebarMenuItem,
} from "../ui/sidebar";
import {
  CheckCircleFillIcon,
  CopyIcon,
  GlobeIcon,
  LockIcon,
  MoreHorizontalIcon,
  ShareIcon,
  TrashIcon,
} from "./icons";

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,
  });

  return (
    <SidebarMenuItem>
      <SidebarMenuButton
        asChild
        className="h-8 rounded-none text-[13px] text-sidebar-foreground/50 transition-all duration-150 hover:bg-transparent hover:text-sidebar-foreground data-active:bg-transparent data-active:font-normal data-active:text-sidebar-foreground/50 data-[active=true]:text-sidebar-foreground data-[active=true]:font-medium data-[active=true]:border-b data-[active=true]:border-dashed data-[active=true]:border-sidebar-foreground/50"
        isActive={isActive}
      >
        <Link href={`/chat/${chat.id}`} onClick={() => setOpenMobile(false)}>
          <span className="truncate">{chat.title}</span>
        </Link>
      </SidebarMenuButton>

      <DropdownMenu modal={true}>
        <DropdownMenuTrigger asChild>
          <SidebarMenuAction
            className="mr-0.5 rounded-md text-sidebar-foreground/50 ring-0 transition-colors duration-150 focus-visible:ring-0 hover:text-sidebar-foreground data-[state=open]:bg-sidebar-accent data-[state=open]:text-sidebar-accent-foreground"
            showOnHover={!isActive}
          >
            <MoreHorizontalIcon />
            <span className="sr-only">More</span>
          </SidebarMenuAction>
        </DropdownMenuTrigger>

        <DropdownMenuContent align="end" side="bottom">
          <DropdownMenuSub>
            <DropdownMenuSubTrigger className="cursor-pointer">
              <ShareIcon />
              <span>Share</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>Private</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>Public</span>
                  </div>
                  {visibilityType === "public" ? <CheckCircleFillIcon /> : null}
                </DropdownMenuItem>
                <DropdownMenuItem
                  className="cursor-pointer"
                  onClick={() => {
                    const url = `${window.location.origin}${process.env.NEXT_PUBLIC_BASE_PATH ?? ""}/chat/${chat.id}`;
                    navigator.clipboard.writeText(url);
                    toast.success("Link copied to clipboard!");
                  }}
                >
                  <CopyIcon size={12} />
                  <span>Copy link</span>
                </DropdownMenuItem>
              </DropdownMenuSubContent>
            </DropdownMenuPortal>
          </DropdownMenuSub>

          <DropdownMenuItem
            onSelect={() => onDelete(chat.id)}
            variant="destructive"
          >
            <TrashIcon />
            <span>Delete</span>
          </DropdownMenuItem>
        </DropdownMenuContent>
      </DropdownMenu>
    </SidebarMenuItem>
  );
};

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