import { Module } from '@nestjs/common';
import { CalendarController } from './calendar.controller';
import { CalendarService } from './calendar.service';
import { CalDAVProvider } from './providers/caldav.provider';
import { ICSProvider } from './providers/ics.provider';
import { ExchangeProvider } from './providers/exchange.provider';

/**
 * NestJS module for calendar source management and event aggregation.
 *
 * Provides:
 * - CalendarService: Source CRUD + event aggregation across providers
 * - CalDAVProvider: CalDAV protocol integration via tsdav
 * - ICSProvider: ICS file fetch + parse via node-ical
 * - ExchangeProvider: Exchange Online (Graph) + Exchange Server (EWS) integration
 * - CalendarController: REST API for sources and events
 *
 * Exports CalendarService for potential use by other modules.
 */
@Module({
  controllers: [CalendarController],
  providers: [
    CalendarService,
    CalDAVProvider,
    ICSProvider,
    ExchangeProvider,
  ],
  exports: [CalendarService],
})
export class CalendarModule {}