EventsService

var _$http, _SERVER, _app, _confirm;

class EventsService {
  constructor($http, SERVER, appService, confirm) {
    "ngInlect";

    _$http = $http;
    _SERVER = SERVER;
    _app = appService;
    _confirm = confirm;
  }

  getNewEventData() {
    function round(date, duration, method) {
      return moment(Math[method]((+date) / (+duration)) * (+duration));
    }

    let m_start = round(moment(), moment.duration(15, "minutes"), "ceil");
    return {
      allDay: false,
      start: m_start.format(),
      end: angular.copy(m_start).add(30, 'minutes').format(),
      status: 'DRAFT',
      visible: true
    }
  }

  getEvents({start: start, end: end}) {
    let url = _SERVER.URL + 'api/events/agenda';

    return _$http.get(url, {
      params: {
      // fullcalendar removes minutes and seconds from date objects.
      // That's why we need to transform date in full format for our server api this way:
        start: moment(start.toDate()).format(),
        end: moment(end.toDate()).format(),
        masterId: _app.getMasterId()
      }
    }).then((resp) => {
      let embedded = resp.data._embedded,
        events = embedded ? embedded.events : [];
      return events;
    });
  }

  getEventById(eventId) {
    let url = _SERVER.URL + 'api/events/' + eventId;
    return _$http.get(url).then((resp) => resp.data);
  }

  activateEvent(event) {
    // TODO temp update event. Change to special API for activating
    event.status = 'ACTIVE';
    return _app.updatePartially(event._links.self.href, event, ['status']).then((resp) => resp.data);
  }

  addRecurrenceRule(event) {
    event.recurrenceRule = {
      freq: 'DAILY',
      until: angular.copy(event).end,
      interval: 1
    }
  }

  submitEvent(event) {
    let url = _SERVER.URL + 'api/events',
      masterId = _app.getMasterId();

    event.start = event.start.format();
    event.end = event.end.format();
    if (event.recurrenceRule && moment.isMoment(event.recurrenceRule.until)) {
      event.recurrenceRule.until = event.recurrenceRule.until.format();
    }
    event.master = _SERVER.URL + 'api/masters/' + masterId;

    if (event.serviceJson && event.serviceJson.resourceId) {
      event.service = _SERVER.URL + 'api/services/' + event.serviceJson.resourceId;
    }

    return _$http.post(url, event).then((resp) => resp.data);
  }

  updateEvent(event) {
    if (event.serviceJson && event.serviceJson.resourceId) {
      event.service = _SERVER.URL + 'api/services/' + event.serviceJson.resourceId;
    }
    return _$http.patch(event._links.self.href, event)
  }

  cancelEvent(event) {
    return _$http.patch(event._links.self.href, {
      status: "CANCELED",
      visible: false
    })
  }

  removeDraft() {
    // confirm window
    return _confirm.show('Запись сохранена не будет. Вы уверены, что хотите уйти?').then((resp) => {
      return this.deleteEvent(this.currentEvent);
    });

  }

  deleteEvent(event) {
    return _$http.delete(event._links.self.href)
  }

  updateRecurrenceRuleUntilStartDate(event){
    event.recurrenceRule.until = moment(angular.copy(event.start).subtract(1, 'day').toDate()).endOf('day').format();
    return _app.updatePartially(event._links.self.href, event, ['recurrenceRule']);
  }

}

export default EventsService;