import { ICalendarEvent } from '../types/CalendarTypes';

/**
 * IEventRepository - Interface for event data loading
 *
 * Abstracts the data source for calendar events, allowing easy switching
 * between mock data, REST API, GraphQL, or other data sources.
 *
 * Implementations:
 * - MockEventRepository: Loads from local JSON file
 * - ApiEventRepository: (Future) Loads from backend API
 */
export interface IEventRepository {
  /**
   * Load all calendar events from the data source
   * @returns Promise resolving to array of ICalendarEvent objects
   * @throws Error if loading fails
   */
  loadEvents(): Promise<ICalendarEvent[]>;
}