Discord Online (Next.js)

import { cn } from "@/lib/utils";
import {
  Tooltip,
  TooltipContent,
  TooltipProvider,
  TooltipTrigger,
} from "@/components/ui/tooltip";
import { Button } from "@/components/ui/button";

interface DiscordOnlineProps {
  guildId: string; // Discord server ID to fetch presence count for
  inviteURL?: string; // Optional custom invite URL    
  className?: string;
  label?: string; // Optional label for the tooltip (default: "members online in our Discord")
}

async function getPresenceCount(guildId: string): Promise<number> {
  try {
    const res = await fetch(
      `https://discord.com/api/guilds/${guildId}/widget.json`,
      { next: { revalidate: 60 } },
    );
    if (!res.ok) return 0;
    const data = (await res.json()) as { presence_count?: number };
    return Number(data?.presence_count) || 0;
  } catch {
    return 0;
  }
}

export async function DiscordOnline({
  guildId,
  inviteURL,
  className,
  label = "members online in our Discord",
}: DiscordOnlineProps) {
  const count = await getPresenceCount(guildId);

  return (
    <TooltipProvider>
      <Tooltip>
        <TooltipTrigger asChild>
          <Button
            variant="ghost"
            className={cn("h-9 gap-1.5 pr-1.5 pl-2 border-border dark:border-input hover:bg-input", className)}
            asChild
          >
            <a
              href={inviteURL || `https://discord.com/invite/${guildId}`}
              target="_blank"
              rel="noopener noreferrer"
            >
              <svg
                width="16"
                height="16"
                viewBox="0 0 24 24"
                fill="currentColor"
                className="shrink-0"
                aria-hidden="true"
              >
                <path d="M20.317 4.37a19.791 19.791 0 0 0-4.885-1.515.074.074 0 0 0-.079.037c-.21.375-.444.864-.608 1.25a18.27 18.27 0 0 0-5.487 0 12.64 12.64 0 0 0-.617-1.25.077.077 0 0 0-.079-.037A19.736 19.736 0 0 0 3.677 4.37a.07.07 0 0 0-.032.027C.533 9.046-.32 13.58.099 18.057a.082.082 0 0 0 .031.057 19.9 19.9 0 0 0 5.993 3.03.078.078 0 0 0 .084-.028 14.09 14.09 0 0 0 1.226-1.994.076.076 0 0 0-.041-.106 13.107 13.107 0 0 1-1.872-.892.077.077 0 0 1-.008-.128 10.2 10.2 0 0 0 .372-.292.074.074 0 0 1 .077-.01c3.928 1.793 8.18 1.793 12.062 0a.074.074 0 0 1 .078.01c.12.098.246.198.373.292a.077.077 0 0 1-.006.127 12.299 12.299 0 0 1-1.873.892.077.077 0 0 0-.041.107c.36.698.772 1.362 1.225 1.993a.076.076 0 0 0 .084.028 19.839 19.839 0 0 0 6.002-3.03.077.077 0 0 0 .032-.054c.5-5.177-.838-9.674-3.549-13.66a.061.061 0 0 0-.031-.03zM8.02 15.33c-1.183 0-2.157-1.085-2.157-2.419 0-1.333.956-2.419 2.157-2.419 1.21 0 2.176 1.096 2.157 2.42 0 1.333-.956 2.418-2.157 2.418zm7.975 0c-1.183 0-2.157-1.085-2.157-2.419 0-1.333.955-2.419 2.157-2.419 1.21 0 2.176 1.096 2.157 2.42 0 1.333-.946 2.418-2.157 2.418z" />
              </svg>
              <span className="inline-flex items-center gap-1.5">
                <span className="relative flex h-1.5 w-1.5 shrink-0">
                  <span className="absolute inline-flex h-full w-full animate-ping rounded-full bg-blue-500 opacity-75" />
                  <span className="relative inline-flex h-1.5 w-1.5 rounded-full bg-blue-600" />
                </span>
                <span className="text-[0.8125rem] text-muted-foreground tabular-nums">
                  {count.toLocaleString()}
                </span>
              </span>
            </a>
          </Button>
        </TooltipTrigger>
        <TooltipContent className="font-sans">
          {count.toLocaleString()} {label}
        </TooltipContent>
      </Tooltip>
    </TooltipProvider>
  );
}