refactor: extract shared withdrawal utils and fix status badge fallbacks

- extract formatDate, statusBadgeConfig, getRiskColor to shared utils
- use explicit unknown fallback for unrecognized status values
- add missing 'unknown' i18n keys for withdrawal status

src/utils/withdrawalUtils.ts

@@ -0,0 +1,83 @@
+import i18n from '../i18n';
+
+export const localeMap: Record<string, string> = {
+  ru: 'ru-RU',
+  en: 'en-US',
+  zh: 'zh-CN',
+  fa: 'fa-IR',
+};
+
+export const formatDate = (date: string | null): string => {
+  if (!date) return '-';
+  const locale = localeMap[i18n.language] || 'ru-RU';
+  return new Date(date).toLocaleDateString(locale, {
+    day: '2-digit',
+    month: '2-digit',
+    year: 'numeric',
+    hour: '2-digit',
+    minute: '2-digit',
+  });
+};
+
+export type StatusBadge = { labelKey: string; color: string; bgColor: string };
+
+export const withdrawalStatusBadgeConfig: Record<string, StatusBadge> = {
+  pending: {
+    labelKey: 'admin.withdrawals.status.pending',
+    color: 'text-yellow-400',
+    bgColor: 'bg-yellow-500/20',
+  },
+  approved: {
+    labelKey: 'admin.withdrawals.status.approved',
+    color: 'text-accent-400',
+    bgColor: 'bg-accent-500/20',
+  },
+  rejected: {
+    labelKey: 'admin.withdrawals.status.rejected',
+    color: 'text-error-400',
+    bgColor: 'bg-error-500/20',
+  },
+  completed: {
+    labelKey: 'admin.withdrawals.status.completed',
+    color: 'text-success-400',
+    bgColor: 'bg-success-500/20',
+  },
+  cancelled: {
+    labelKey: 'admin.withdrawals.status.cancelled',
+    color: 'text-dark-400',
+    bgColor: 'bg-dark-500/20',
+  },
+};
+
+const unknownBadge: StatusBadge = {
+  labelKey: 'admin.withdrawals.status.unknown',
+  color: 'text-dark-400',
+  bgColor: 'bg-dark-600',
+};
+
+export function getWithdrawalStatusBadge(status: string): StatusBadge {
+  return withdrawalStatusBadgeConfig[status] || unknownBadge;
+}
+
+export function getRiskColor(score: number): { text: string; bg: string; bar: string } {
+  if (score < 30)
+    return { text: 'text-success-400', bg: 'bg-success-500/20', bar: 'bg-success-500' };
+  if (score < 50) return { text: 'text-yellow-400', bg: 'bg-yellow-500/20', bar: 'bg-yellow-500' };
+  if (score < 70) return { text: 'text-orange-400', bg: 'bg-orange-500/20', bar: 'bg-orange-500' };
+  return { text: 'text-error-400', bg: 'bg-error-500/20', bar: 'bg-error-500' };
+}
+
+export function getRiskLevelColor(level: string): { text: string; bg: string } {
+  switch (level) {
+    case 'low':
+      return { text: 'text-success-400', bg: 'bg-success-500/20' };
+    case 'medium':
+      return { text: 'text-yellow-400', bg: 'bg-yellow-500/20' };
+    case 'high':
+      return { text: 'text-orange-400', bg: 'bg-orange-500/20' };
+    case 'critical':
+      return { text: 'text-error-400', bg: 'bg-error-500/20' };
+    default:
+      return { text: 'text-dark-400', bg: 'bg-dark-500/20' };
+  }
+}