import { Sparkles, Check } from 'lucide-react';
import { Switch } from '@/components/ui/switch';
import { PlatformFeePayment } from '@/components/PlatformFeePayment';
import { usePlatformFee } from '@/hooks/usePlatformFee';
import { useTranslation } from '@/contexts/language';
import { cn } from '@/lib/utils';

interface LabProUpgradeProps {
  /** Whether the user opted in to Pro. */
  enabled: boolean;
  onEnabledChange: (enabled: boolean) => void;
  /** Accent color class for the entity (e.g. "text-orange-400"). */
  accentText?: string;
  /** Addressable coordinate `kind:pubkey:d` for zap-receipt verification. */
  entityCoord?: string;
  className?: string;
}

/**
 * Opt-in "Go Pro" upgrade for Lab profiles.
 *
 * Free profiles publish without this. Toggling it on reveals the Lightning fee
 * payment; once paid (or for platform owners), the profile is published with a
 * `featured` tag that unlocks the Pro badge + featured placement in The Lab.
 *
 * There is NO hard paywall — a basic profile is always free.
 */
export function LabProUpgrade({
  enabled,
  onEnabledChange,
  accentText = 'text-amber-400',
  entityCoord,
  className,
}: LabProUpgradeProps) {
  const { t } = useTranslation();
  const { isActive, isPlatformOwner, daysRemaining } = usePlatformFee('labProfile');

  return (
    <div
      className={cn(
        'rounded-2xl border border-amber-500/30 bg-gradient-to-br from-amber-500/8 to-black/40 overflow-hidden',
        className,
      )}
    >
      <div className="p-4">
        <div className="flex items-start justify-between gap-3">
          <div className="flex items-start gap-3 min-w-0">
            <div className="w-9 h-9 rounded-xl bg-gradient-to-br from-amber-400 to-orange-500 flex items-center justify-center flex-shrink-0 shadow-lg shadow-amber-500/25">
              <Sparkles className="h-4 w-4 text-black" />
            </div>
            <div className="min-w-0">
              <p className={cn('font-black uppercase tracking-wide text-sm', accentText)}>
                {t('labUi.proUpgrade.goPro')} <span className="text-gray-500 font-normal normal-case">{t('labUi.proUpgrade.optional')}</span>
              </p>
              <p className="text-xs text-gray-400 mt-0.5">
                {t('labUi.proUpgrade.freeTo')} <strong className="text-amber-400">{t('labUi.proUpgrade.proBadge')}</strong> and
                {' '}<strong className="text-amber-400">{t('labUi.proUpgrade.featuredPlacement')}</strong> {t('labUi.proUpgrade.atTop')}
              </p>
            </div>
          </div>
          {isActive ? (
            <span className="flex items-center gap-1 text-[11px] font-bold text-green-400 flex-shrink-0">
              <Check className="h-3.5 w-3.5" /> {t('labUi.proUpgrade.active')}
            </span>
          ) : (
            <Switch
              checked={enabled}
              onCheckedChange={onEnabledChange}
              className="flex-shrink-0 data-[state=checked]:bg-amber-500"
            />
          )}
        </div>

        {/* Benefits list */}
        {!isActive && (
          <ul className="mt-3 grid gap-1.5 text-xs text-gray-400">
            <li className="flex items-center gap-2"><Check className="h-3.5 w-3.5 text-amber-400 flex-shrink-0" /> {t('labUi.proUpgrade.benefit1')}</li>
            <li className="flex items-center gap-2"><Check className="h-3.5 w-3.5 text-amber-400 flex-shrink-0" /> {t('labUi.proUpgrade.benefit2')}</li>
            <li className="flex items-center gap-2"><Check className="h-3.5 w-3.5 text-amber-400 flex-shrink-0" /> {t('labUi.proUpgrade.benefit3')}</li>
          </ul>
        )}

        {/* Already active */}
        {isActive && (
          <p className="mt-2 text-xs text-gray-500">
            {isPlatformOwner
              ? t('labUi.proUpgrade.platformOwner')
              : t(daysRemaining === 1 ? 'labUi.proUpgrade.proActiveOne' : 'labUi.proUpgrade.proActiveMany', { count: daysRemaining })}
          </p>
        )}
      </div>

      {/* Payment appears once opted in and not already active */}
      {enabled && !isActive && (
        <div className="px-4 pb-4">
          <PlatformFeePayment
            type="labProfile"
            entityCoord={entityCoord}
            onSuccess={() => { /* hook auto-updates isActive */ }}
            context={t('labUi.proUpgrade.context')}
          />
        </div>
      )}
    </div>
  );
}