import { Injectable, Logger } from '@nestjs/common';
import { CalendarEvent, CalendarProvider } from '../calendar.service';

/**
 * ICS calendar provider — fetches and parses .ics files via HTTPS.
 * Uses node-ical for parsing. Full implementation in Task 2.
 */
@Injectable()
export class ICSProvider implements CalendarProvider {
  private readonly logger = new Logger(ICSProvider.name);

  async fetchEvents(
    source: { url: string; id: string; color?: string | null },
    from: Date,
    to: Date,
  ): Promise<CalendarEvent[]> {
    // Stub — implemented in Task 2
    return [];
  }

  async testConnection(
    source: { url: string; id: string },
  ): Promise<boolean> {
    // Stub — implemented in Task 2
    return false;
  }
}