chore: import codes

src/shared/lib/appConfig.js

@@ -0,0 +1,77 @@
+/**
+ * Application Configuration
+ * Centralized configuration management for the entire package
+ */
+
+import { getAvailableModules } from '../../modules/modules.registry.js';
+
+/**
+ * Get application name from environment variables
+ * @returns {string} Application name
+ */
+export function getAppName() {
+  return process.env.ZEN_NAME || 'ZEN';
+}
+
+/**
+ * Get session cookie name from environment variables
+ * @returns {string} Session cookie name
+ */
+export function getSessionCookieName() {
+  return process.env.ZEN_AUTH_SESSION_COOKIE_NAME || 'zen_session';
+}
+
+/**
+ * Public site origin for server-side absolute URLs (emails, redirects, PDF assets).
+ * When NODE_ENV is development, NEXT_PUBLIC_URL_DEV is preferred, then NEXT_PUBLIC_URL.
+ * Otherwise NEXT_PUBLIC_URL is used. Trailing slashes are stripped.
+ * @returns {string}
+ */
+export function getPublicBaseUrl() {
+  const fallback = 'http://localhost:3000';
+  const isDev = process.env.NODE_ENV === 'development';
+  const raw = isDev
+    ? (process.env.NEXT_PUBLIC_URL_DEV || process.env.NEXT_PUBLIC_URL || fallback)
+    : (process.env.NEXT_PUBLIC_URL || fallback);
+  return String(raw).replace(/\/$/, '');
+}
+
+/**
+ * Get enabled modules configuration (server-side only)
+ * This function dynamically reads from modules.registry.js and checks environment variables
+ * Use this on the server and pass the result to client components as props
+ * 
+ * To enable a module, set the environment variable: ZEN_MODULE_{NAME}=true
+ * Example: ZEN_MODULE_INVOICE=true
+ * 
+ * @returns {Object} Object with module names as keys and boolean values
+ */
+export function getModulesConfig() {
+  const modules = {};
+  const availableModules = getAvailableModules();
+  
+  for (const moduleName of availableModules) {
+    const envVar = `ZEN_MODULE_${moduleName.toUpperCase()}`;
+    modules[moduleName] = process.env[envVar] === 'true';
+  }
+  
+  return modules;
+}
+
+/**
+ * Get application configuration
+ * @returns {Object} Application configuration object
+ */
+export function getAppConfig() {
+  return {
+    name: getAppName(),
+    sessionCookieName: getSessionCookieName(),
+    timezone: process.env.ZEN_TIMEZONE || 'America/Toronto',
+    dateFormat: process.env.ZEN_DATE_FORMAT || 'YYYY-MM-DD',
+    // Currency configuration (for currency module)
+    defaultCurrency: process.env.ZEN_CURRENCY || 'CAD',
+    currencySymbol: process.env.ZEN_CURRENCY_SYMBOL || '$',
+    // Enabled modules
+    modules: getModulesConfig(),
+  };
+}