"use client";

import {
  ChevronsUpDownIcon,
  LogOutIcon,
  Settings2Icon,
  SparklesIcon,
  UserCogIcon,
} from "lucide-react";
import { signOut } from "next-auth/react";

import {
  Avatar,
  AvatarFallback,
  AvatarImage,
} from "@/components/ui/avatar";
import {
  DropdownMenu,
  DropdownMenuContent,
  DropdownMenuGroup,
  DropdownMenuItem,
  DropdownMenuLabel,
  DropdownMenuSeparator,
  DropdownMenuTrigger,
} from "@/components/ui/dropdown-menu";
import {
  SidebarMenu,
  SidebarMenuButton,
  SidebarMenuItem,
  useSidebar,
} from "@/components/ui/sidebar";

export interface NavUserData {
  name: string;
  email: string;
  avatar?: string | null;
}

export function NavUser({ user }: { user: NavUserData }) {
  const { isMobile } = useSidebar();
  const initials = (user.name || user.email || "U")
    .slice(0, 2)
    .toUpperCase();

  const handleSignOut = () => {
    signOut({ callbackUrl: "/login" });
  };

  return (
    <SidebarMenu>
      <SidebarMenuItem>
        <DropdownMenu>
          <DropdownMenuTrigger
            render={
              <SidebarMenuButton
                size="lg"
                className="data-[state=open]:bg-sidebar-accent data-[state=open]:text-sidebar-accent-foreground"
              />
            }
          >
            <Avatar size="sm" className="rounded-lg">
              {user.avatar ? (
                <AvatarImage src={user.avatar} alt={user.name} />
              ) : null}
              <AvatarFallback className="rounded-lg font-medium text-xs">
                {initials}
              </AvatarFallback>
            </Avatar>
            <div className="grid flex-1 text-left text-xs leading-tight">
              <span className="truncate font-semibold text-sidebar-foreground">
                {user.name}
              </span>
              <span className="truncate text-[11px] text-muted-foreground">
                {user.email}
              </span>
            </div>
            <ChevronsUpDownIcon className="ml-auto size-4 text-muted-foreground" />
          </DropdownMenuTrigger>

          <DropdownMenuContent
            className="w-(--anchor-width) min-w-56 rounded-lg"
            side={isMobile ? "bottom" : "right"}
            align="end"
            sideOffset={4}
          >
            <DropdownMenuLabel className="p-0 font-normal">
              <div className="flex items-center gap-2.5 px-1 py-1.5 text-left text-xs">
                <Avatar size="sm" className="rounded-lg">
                  {user.avatar ? (
                    <AvatarImage src={user.avatar} alt={user.name} />
                  ) : null}
                  <AvatarFallback className="rounded-lg font-medium text-xs">
                    {initials}
                  </AvatarFallback>
                </Avatar>
                <div className="grid flex-1 text-left text-xs leading-tight">
                  <span className="truncate font-semibold text-foreground">
                    {user.name}
                  </span>
                  <span className="truncate text-[11px] text-muted-foreground">
                    {user.email}
                  </span>
                </div>
              </div>
            </DropdownMenuLabel>

            <DropdownMenuSeparator />

            <DropdownMenuGroup>
              <DropdownMenuItem>
                <SparklesIcon data-icon="inline-start" />
                <span>升级至专业版</span>
              </DropdownMenuItem>
            </DropdownMenuGroup>

            <DropdownMenuSeparator />

            <DropdownMenuGroup>
              <DropdownMenuItem>
                <UserCogIcon data-icon="inline-start" />
                <span>个人账户设置</span>
              </DropdownMenuItem>
              <DropdownMenuItem>
                <Settings2Icon data-icon="inline-start" />
                <span>系统偏好</span>
              </DropdownMenuItem>
            </DropdownMenuGroup>

            <DropdownMenuSeparator />

            <DropdownMenuItem
              variant="destructive"
              onClick={handleSignOut}
              className="cursor-pointer"
            >
              <LogOutIcon data-icon="inline-start" />
              <span>退出登录</span>
            </DropdownMenuItem>
          </DropdownMenuContent>
        </DropdownMenu>
      </SidebarMenuItem>
    </SidebarMenu>
  );
}