ADD new frontend

fdev-ffrontend/src/api/client/config.ts

@@ -0,0 +1,142 @@
+// frontend/src/api/client/config.ts
+/**
+ * API Client Configuration
+ * Centralized configuration for all API clients
+ */
+
+export interface ApiConfig {
+  baseURL: string;
+  timeout: number;
+  retries: number;
+  retryDelay: number;
+  enableLogging: boolean;
+  enableCaching: boolean;
+  cacheTimeout: number;
+}
+
+export interface ServiceEndpoints {
+  auth: string;
+  tenant: string;
+  data: string;
+  training: string;
+  forecasting: string;
+  notification: string;
+}
+
+// Environment-based configuration
+const getEnvironmentConfig = (): ApiConfig => {
+  // Use import.meta.env instead of process.env for Vite
+  const isDevelopment = import.meta.env.DEV;
+  const isProduction = import.meta.env.PROD;
+
+  return {
+    baseURL: import.meta.env.VITE_API_URL || 'http://localhost:8000/api/v1',
+    timeout: parseInt(import.meta.env.VITE_API_TIMEOUT || '30000'),
+    retries: parseInt(import.meta.env.VITE_API_RETRIES || '3'),
+    retryDelay: parseInt(import.meta.env.VITE_API_RETRY_DELAY || '1000'),
+    enableLogging: isDevelopment || import.meta.env.VITE_API_LOGGING === 'true',
+    enableCaching: import.meta.env.VITE_API_CACHING !== 'false',
+    cacheTimeout: parseInt(import.meta.env.VITE_API_CACHE_TIMEOUT || '300000'), // 5 minutes
+  };
+};
+
+export const apiConfig: ApiConfig = getEnvironmentConfig();
+
+// Service endpoint configuration
+export const serviceEndpoints: ServiceEndpoints = {
+  auth: '/auth',
+  tenant: '/tenants',
+  data: '/tenants',  // Data operations are tenant-scoped
+  training: '/tenants', // Training operations are tenant-scoped
+  forecasting: '/tenants', // Forecasting operations are tenant-scoped
+  notification: '/tenants', // Notification operations are tenant-scoped
+};
+
+// HTTP status codes
+export const HttpStatus = {
+  OK: 200,
+  CREATED: 201,
+  NO_CONTENT: 204,
+  BAD_REQUEST: 400,
+  UNAUTHORIZED: 401,
+  FORBIDDEN: 403,
+  NOT_FOUND: 404,
+  CONFLICT: 409,
+  UNPROCESSABLE_ENTITY: 422,
+  INTERNAL_SERVER_ERROR: 500,
+  BAD_GATEWAY: 502,
+  SERVICE_UNAVAILABLE: 503,
+} as const;
+
+// Request timeout configuration
+export const RequestTimeouts = {
+  SHORT: 5000,    // 5 seconds - for quick operations
+  MEDIUM: 15000,  // 15 seconds - for normal operations
+  LONG: 60000,    // 1 minute - for file uploads
+  EXTENDED: 300000, // 5 minutes - for training operations
+} as const;
+
+// Cache configuration
+export interface CacheConfig {
+  defaultTTL: number;
+  maxSize: number;
+  strategies: {
+    user: number;
+    tenant: number;
+    data: number;
+    forecast: number;
+  };
+}
+
+export const cacheConfig: CacheConfig = {
+  defaultTTL: 300000, // 5 minutes
+  maxSize: 100, // Maximum cached items
+  strategies: {
+    user: 600000,    // 10 minutes
+    tenant: 1800000, // 30 minutes  
+    data: 300000,    // 5 minutes
+    forecast: 600000, // 10 minutes
+  },
+};
+
+// Retry configuration
+export interface RetryConfig {
+  attempts: number;
+  delay: number;
+  backoff: number;
+  retryCondition: (error: any) => boolean;
+}
+
+export const retryConfig: RetryConfig = {
+  attempts: 3,
+  delay: 1000,
+  backoff: 2, // Exponential backoff multiplier
+  retryCondition: (error: any) => {
+    // Retry on network errors and specific HTTP status codes
+    if (!error.response) return true; // Network error
+    const status = error.response.status;
+    return status >= 500 || status === 408 || status === 429;
+  },
+};
+
+// API versioning
+export const ApiVersion = {
+  V1: 'v1',
+  CURRENT: 'v1',
+} as const;
+
+export interface FeatureFlags {
+  enableWebSockets: boolean;
+  enableOfflineMode: boolean;
+  enableOptimisticUpdates: boolean;
+  enableRequestDeduplication: boolean;
+  enableMetrics: boolean;
+}
+
+export const featureFlags: FeatureFlags = {
+  enableWebSockets: import.meta.env.VITE_ENABLE_WEBSOCKETS === 'true',
+  enableOfflineMode: import.meta.env.VITE_ENABLE_OFFLINE === 'true',
+  enableOptimisticUpdates: import.meta.env.VITE_ENABLE_OPTIMISTIC_UPDATES !== 'false',
+  enableRequestDeduplication: import.meta.env.VITE_ENABLE_DEDUPLICATION !== 'false',
+  enableMetrics: import.meta.env.VITE_ENABLE_METRICS === 'true',
+};