finshing architecture for project now we have all layers to build profitionl project app,components ,hooks ,lib,services,styel ,types

utils/helperFun.ts

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+// ─── fexed ───────────────────────────────────
+export const SESSION_KEY    = "lf_client";
+export const SESSION_COOKIE = "lf_client_id";
+
+// ─── Types ───────────────────────────────────
+export interface ClientSession {
+  id: string;
+  name: string;
+  email: string;
+  phone: string;
+}
+
+// ─── Cookies ─────────────────────────────────
+export function getCookie(name: string): string | null {
+  if (typeof document === "undefined") return null;
+  const match = document.cookie.match(new RegExp(`(^| )${name}=([^;]+)`));
+  return match ? decodeURIComponent(match[2]) : null;
+}
+
+export function setCookie(name: string, value: string, days = 30) {
+  const exp = new Date(Date.now() + days * 864e5).toUTCString();
+  document.cookie = `${name}=${encodeURIComponent(value)}; expires=${exp}; path=/`;
+}
+
+export function deleteCookie(name: string) {
+  document.cookie = `${name}=; expires=Thu, 01 Jan 1970 00:00:00 UTC; path=/`;
+}
+
+// ─── Session ─────────────────────────────────
+export function loadSession(): ClientSession | null {
+  try {
+    const raw = localStorage.getItem(SESSION_KEY);
+    if (raw) return JSON.parse(raw) as ClientSession;
+  } catch {}
+  const id = getCookie(SESSION_COOKIE);
+  if (id) return { id, name: "", email: "", phone: "" };
+  return null;
+}
+
+export function saveSession(s: ClientSession) {
+  localStorage.setItem(SESSION_KEY, JSON.stringify(s));
+  setCookie(SESSION_COOKIE, s.id);
+}
+
+export function clearSession() {
+  localStorage.removeItem(SESSION_KEY);
+  deleteCookie(SESSION_COOKIE);
+}
+
+// ─── Formatting ──────────────────────────────
+export function fmtDate(iso: string) {
+  return new Date(iso).toLocaleDateString("ar-SA", {
+    year: "numeric",
+    month: "short",
+    day: "numeric",
+  });
+}
+
+export function fmtAmount(n: number) {
+  return `${n.toFixed(2)} ر.س`;
+}
+
+// ─── Order Status ──────────────────────────────
+export type OrderStatus = "CREATED" | "IN_TRANSIT" | "DELIVERED" | "CANCELLED";
+
+export function statusColor(status: OrderStatus) {
+  const map: Record<OrderStatus, string> = {
+    CREATED:    "bg-blue-50 text-blue-700 border-blue-200",
+    IN_TRANSIT: "bg-amber-50 text-amber-700 border-amber-200",
+    DELIVERED:  "bg-emerald-50 text-emerald-700 border-emerald-200",
+    CANCELLED:  "bg-red-50 text-red-600 border-red-200",
+  };
+  return map[status];
+}
+
+export function statusLabel(status: OrderStatus) {
+  const map: Record<OrderStatus, string> = {
+    CREATED:    "تم الإنشاء",
+    IN_TRANSIT: "قيد التوصيل",
+    DELIVERED:  "تم التسليم",
+    CANCELLED:  "ملغي",
+  };
+  return map[status];
+}