'use client';

import {
  BadgeCheck,
  Bell,
  ChevronsUpDown,
  CreditCard,
  LogOut,
  Sparkles,
} from 'lucide-react';
import { useRouter } from 'next/navigation';
import { useQueryClient } from '@tanstack/react-query';

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';
import { authService } from '@/services/api/auth.service';
import { useAppStore } from '@/store/app.store';
import { useAuthStore } from '@/store/auth.store';
import { ROUTES } from '@/utils/routes';
import { useState } from 'react';

export function NavUser({
  user,
}: {
  user: {
    name: string;
    email: string;
    avatar: string;
  };
}) {
  const { isMobile } = useSidebar();
  const router = useRouter();
  const queryClient = useQueryClient();
  const clearAuth = useAuthStore((state) => state.logout);
  const clearApp = useAppStore((state) => state.clear);
  const [isLoggingOut, setIsLoggingOut] = useState(false);

  const handleLogout = async () => {
    if (isLoggingOut) return;

    setIsLoggingOut(true);

    try {
      await authService.logout();
    } catch {
      // Local logout should still complete if the server session is already invalid.
    } finally {
      queryClient.clear();
      clearAuth();
      clearApp();
      router.replace(ROUTES.LOGIN);
      setIsLoggingOut(false);
    }
  };

  return (
    <SidebarMenu>
      <SidebarMenuItem>
        <DropdownMenu>
          <DropdownMenuTrigger asChild>
            <SidebarMenuButton
              size="lg"
              className="data-[state=open]:bg-sidebar-accent data-[state=open]:text-sidebar-accent-foreground"
            >
              <Avatar className="h-8 w-8 rounded-lg">
                <AvatarImage src={user.avatar} alt={user.name} />
                <AvatarFallback className="rounded-lg">CN</AvatarFallback>
              </Avatar>
              <div className="grid flex-1 text-left text-sm leading-tight">
                <span className="truncate font-semibold">{user.name}</span>
                <span className="truncate text-xs">{user.email}</span>
              </div>
              <ChevronsUpDown className="ml-auto size-4" />
            </SidebarMenuButton>
          </DropdownMenuTrigger>
          <DropdownMenuContent
            className="w-[--radix-dropdown-menu-trigger-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 px-1 py-1.5 text-left text-sm">
                <Avatar className="h-8 w-8 rounded-lg">
                  <AvatarImage src={user.avatar} alt={user.name} />
                  <AvatarFallback className="rounded-lg">CN</AvatarFallback>
                </Avatar>
                <div className="grid flex-1 text-left text-sm leading-tight">
                  <span className="truncate font-semibold">{user.name}</span>
                  <span className="truncate text-xs">{user.email}</span>
                </div>
              </div>
            </DropdownMenuLabel>
            <DropdownMenuSeparator />
            <DropdownMenuGroup>
              <DropdownMenuItem>
                <Sparkles />
                Upgrade to Pro
              </DropdownMenuItem>
            </DropdownMenuGroup>
            <DropdownMenuSeparator />
            <DropdownMenuGroup>
              <DropdownMenuItem>
                <BadgeCheck />
                Account
              </DropdownMenuItem>
              <DropdownMenuItem>
                <CreditCard />
                Billing
              </DropdownMenuItem>
              <DropdownMenuItem>
                <Bell />
                Notifications
              </DropdownMenuItem>
            </DropdownMenuGroup>
            <DropdownMenuSeparator />
            <DropdownMenuItem
              onSelect={(event) => {
                event.preventDefault();
                handleLogout();
              }}
              disabled={isLoggingOut}
            >
              <LogOut />
              {isLoggingOut ? 'Logging out' : 'Log out'}
            </DropdownMenuItem>
          </DropdownMenuContent>
        </DropdownMenu>
      </SidebarMenuItem>
    </SidebarMenu>
  );
}