"use client";

import { ChevronsUpDown } from "lucide-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";
import {
  IconBadgeCc,
  IconBell,
  IconCreditCard,
  IconLogout,
  IconSparkles,
} from "@tabler/icons-react";
import { Profile, User } from "@/src/models/users/users.model";

export function NavUser({ user }: { user: User | null }) {
  const { isMobile } = useSidebar();

  // Use profile data with fallbacks
  const firstName = user?.profile?.first_name || "";
  const lastName = user?.profile?.last_name || "";
  const userEmail = user?.email || "";
  const userAvatar = user?.profile?.avatar || "";

  const getFullName = () => {
    return `${firstName} ${lastName}`.trim() || "User";
  };

  // Generate initials for avatar fallback
  const getInitials = () => {
    if (firstName && lastName) {
      return `${firstName[0]}${lastName[0]}`.toUpperCase();
    }
    if (firstName) {
      return firstName[0].toUpperCase();
    }
    if (userEmail) {
      return userEmail[0].toUpperCase();
    }
    return "U";
  };

  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={userAvatar || ""} alt={getFullName()} />
                <AvatarFallback className="rounded-lg">
                  {getInitials()}
                </AvatarFallback>
              </Avatar>
              <div className="grid flex-1 text-left text-sm leading-tight">
                <span className="truncate font-semibold">{getFullName()}</span>
                <span className="truncate text-xs">{userEmail}</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={userAvatar || ""} alt={getFullName()} />
                  <AvatarFallback className="rounded-lg">
                    {getInitials()}
                  </AvatarFallback>
                </Avatar>
                <div className="grid flex-1 text-left text-sm leading-tight">
                  <span className="truncate font-semibold">
                    {getFullName()}
                  </span>
                  <span className="truncate text-xs">{userEmail}</span>
                </div>
              </div>
            </DropdownMenuLabel>
            <DropdownMenuSeparator />
            <DropdownMenuGroup>
              <DropdownMenuItem className="space-x-2">
                <IconSparkles />
                <span>Upgrade to Pro</span>
              </DropdownMenuItem>
            </DropdownMenuGroup>
            <DropdownMenuSeparator />
            <DropdownMenuGroup>
              <DropdownMenuItem className="space-x-2">
                <IconBadgeCc />
                <span>Account</span>
              </DropdownMenuItem>
              <DropdownMenuItem className="space-x-2">
                <IconCreditCard />
                <span>Billing</span>
              </DropdownMenuItem>
              <DropdownMenuItem className="space-x-2">
                <IconBell />
                <span>Notifications</span>
              </DropdownMenuItem>
            </DropdownMenuGroup>
            <DropdownMenuSeparator />
            <DropdownMenuItem className="space-x-2">
              <IconLogout />
              <span>Log out</span>
            </DropdownMenuItem>
          </DropdownMenuContent>
        </DropdownMenu>
      </SidebarMenuItem>
    </SidebarMenu>
  );
}