"use client";

import { Avatar, AvatarFallback, AvatarImage } from "@/components/ui/avatar";
import { Button } from "@/components/ui/button";
import {
  DropdownMenu,
  DropdownMenuContent,
  DropdownMenuGroup,
  DropdownMenuItem,
  DropdownMenuLabel,
  DropdownMenuSeparator,
  DropdownMenuTrigger,
} from "@/components/ui/dropdown-menu";
import { useAuth } from "@/hooks/use-auth";
import { LogOut, User as UserIcon, Settings } from "lucide-react";
import Link from "next/link";

export function UserNav() {
  const { user, logout } = useAuth();

  if (!user) {
    return null;
  }

  const getInitials = (name?: string) => {
    if (!name) return "S";
    const parts = name.split(" ");
    if (parts.length > 1) {
      return parts[0][0] + parts[parts.length - 1][0];
    }
    return name.substring(0, 2);
  };

  return (
    <DropdownMenu>
      <DropdownMenuTrigger asChild>
        <Button variant="ghost" className="relative h-10 w-10 rounded-full">
          <Avatar className="h-10 w-10 border-2 border-primary">
            <AvatarImage src={`https://avatar.vercel.sh/${user.email}.png`} alt={user.name || user.email} />
            <AvatarFallback className="bg-primary text-primary-foreground">
              {getInitials(user.name || user.email)}
            </AvatarFallback>
          </Avatar>
        </Button>
      </DropdownMenuTrigger>
      <DropdownMenuContent className="w-56" align="end" forceMount>
        <DropdownMenuLabel className="font-normal">
          <div className="flex flex-col space-y-1">
            <p className="text-sm font-medium leading-none">{user.name || "Staff User"}</p>
            <p className="text-xs leading-none text-muted-foreground">
              {user.email}
            </p>
          </div>
        </DropdownMenuLabel>
        <DropdownMenuSeparator />
        <DropdownMenuGroup>
          <DropdownMenuItem asChild>
             <Link href="/staff/profile"> {/* Assuming a profile page route */}
                <UserIcon className="mr-2 h-4 w-4" />
                <span>Profile</span>
             </Link>
          </DropdownMenuItem>
          <DropdownMenuItem asChild>
            <Link href="/settings">
              <Settings className="mr-2 h-4 w-4" />
              <span>Settings</span>
            </Link>
          </DropdownMenuItem>
        </DropdownMenuGroup>
        <DropdownMenuSeparator />
        <DropdownMenuItem onClick={logout}>
          <LogOut className="mr-2 h-4 w-4" />
          <span>Log out</span>
        </DropdownMenuItem>
      </DropdownMenuContent>
    </DropdownMenu>
  );
}