import { AlertTriangle, Coins, Loader2 } from 'lucide-react';
import { Card, CardContent } from '@/components/ui/card';
import { useCurrentUser } from '@/hooks/useCurrentUser';
import { PLATFORM_OWNER_PUBKEYS } from '@/hooks/useListingRestrictions';
import { useSasquatchAiStatus } from '@/hooks/useSasquatchAiStatus';
import { cn } from '@/lib/utils';

/**
 * Owner-only card: the Sasquatch AI (Routstr node) balance, with a warning when
 * it's running low. This is the "top up before AI degrades" nudge — no webhook
 * needed, since the operator can see it live in Settings.
 */
export function SasquatchAiStatusCard() {
  const { user } = useCurrentUser();
  const isOwner = !!user?.pubkey && PLATFORM_OWNER_PUBKEYS.includes(user.pubkey);
  const { data, isLoading, isError } = useSasquatchAiStatus();

  if (!isOwner) return null;

  const low = data?.low === true;
  const balance = data?.balanceSats;

  return (
    <Card className={cn('overflow-hidden bg-white/2', low ? 'border-amber-500/40' : 'border-white/10')}>
      <CardContent className="py-3.5">
        <div className="flex items-center justify-between gap-3">
          <p className="flex items-center gap-2 text-sm font-bold text-white">
            {low ? (
              <AlertTriangle className="h-4 w-4 text-amber-400" />
            ) : (
              <Coins className="h-4 w-4 text-red-400" />
            )}
            Sasquatch AI
            <span className="rounded bg-red-500/10 px-1.5 py-0.5 text-[9px] font-black uppercase tracking-widest text-red-400/70">
              Owner
            </span>
          </p>
          <span
            className={cn(
              'shrink-0 text-xs font-bold',
              isError ? 'text-gray-500' : low ? 'text-amber-400' : 'text-green-400',
            )}
          >
            {isLoading ? (
              <Loader2 className="h-4 w-4 animate-spin text-muted-foreground" />
            ) : isError || data?.configured === false ? (
              'not configured'
            ) : balance === null || balance === undefined ? (
              'unavailable'
            ) : (
              `${balance.toLocaleString()} sats`
            )}
          </span>
        </div>
        <p className="mt-1 text-xs text-muted-foreground">
          {low
            ? `Running low — top up at ${data?.provider ?? 'the node'} or AI will fall back to the keyless provider.`
            : 'Pay-per-request AI, funded in sats via Routstr. Tops up when low.'}
        </p>
      </CardContent>
    </Card>
  );
}