/**
 * API Request/Response Types
 * CRESyncFlow - Commercial Real Estate CRM
 *
 * Generic types for API communication
 */

// =============================================================================
// Generic API Response Types
// =============================================================================

export interface APIResponse<T = any> {
  success: boolean;
  data?: T;
  error?: string;
  message?: string;
  statusCode?: number;
}

export interface APIErrorResponse {
  success: false;
  error: string;
  message?: string;
  statusCode: number;
  details?: Record<string, string[]>;
}

export interface APISuccessResponse<T> {
  success: true;
  data: T;
  message?: string;
}

// =============================================================================
// Pagination Types
// =============================================================================

export interface PaginationParams {
  page?: number;
  limit?: number;
  search?: string;
  sortBy?: string;
  sortOrder?: 'asc' | 'desc';
}

export interface PaginatedResponse<T> {
  items: T[];
  total: number;
  page: number;
  limit: number;
  totalPages: number;
  hasNextPage: boolean;
  hasPrevPage: boolean;
}

export interface CursorPaginationParams {
  cursor?: string;
  limit?: number;
  direction?: 'forward' | 'backward';
}

export interface CursorPaginatedResponse<T> {
  items: T[];
  nextCursor?: string;
  prevCursor?: string;
  hasMore: boolean;
}

// =============================================================================
// Filter and Search Types
// =============================================================================

export type FilterOperator = 'eq' | 'neq' | 'gt' | 'gte' | 'lt' | 'lte' | 'in' | 'nin' | 'contains' | 'startsWith' | 'endsWith';

export interface FilterCondition {
  field: string;
  operator: FilterOperator;
  value: any;
}

export interface SearchParams extends PaginationParams {
  filters?: FilterCondition[];
  dateFrom?: string;
  dateTo?: string;
}

// =============================================================================
// Batch Operation Types
// =============================================================================

export interface BatchOperationResult<T = any> {
  successful: T[];
  failed: Array<{
    item: any;
    error: string;
  }>;
  totalProcessed: number;
  totalSuccessful: number;
  totalFailed: number;
}

export interface BulkDeleteRequest {
  ids: string[];
}

export interface BulkUpdateRequest<T> {
  ids: string[];
  updates: Partial<T>;
}

// =============================================================================
// File Upload Types
// =============================================================================

export interface FileUploadResponse {
  url: string;
  filename: string;
  size: number;
  mimeType: string;
  uploadedAt: string;
}

export interface FileUploadProgress {
  loaded: number;
  total: number;
  percentage: number;
}

// =============================================================================
// Webhook Types
// =============================================================================

export interface WebhookPayload<T = any> {
  event: string;
  timestamp: string;
  data: T;
  signature?: string;
}

export interface WebhookRegistration {
  id: string;
  url: string;
  events: string[];
  secret: string;
  isActive: boolean;
  createdAt: string;
}

// =============================================================================
// Rate Limiting Types
// =============================================================================

export interface RateLimitInfo {
  limit: number;
  remaining: number;
  reset: number;
  retryAfter?: number;
}

// =============================================================================
// Health Check Types
// =============================================================================

export interface HealthCheckResponse {
  status: 'healthy' | 'degraded' | 'unhealthy';
  timestamp: string;
  version: string;
  services: {
    database: ServiceStatus;
    ghl: ServiceStatus;
    redis?: ServiceStatus;
    stripe?: ServiceStatus;
  };
}

export interface ServiceStatus {
  status: 'up' | 'down' | 'degraded';
  latency?: number;
  message?: string;
}