package calendar

import (
	"fmt"
)

type Option func(*Service) error

func WithCalendar(key string, calendarId string) Option {
	return func(s *Service) error {
		_, err := s.CalendarList.Get(calendarId).Do()
		if err != nil {
			return fmt.Errorf("cannot find calendar entry with id %q: %w", calendarId, err)
		}
		s.calIds[key] = calendarId
		return nil
	}
}