import dayjs from 'dayjs';
import {
  ECalendarMode,
  ISlot,
  ISlotEventsToSpaces,
  ISlotsEvents,
} from '../../SACalendar/types';

export const selectedDate = dayjs.utc().format('YYYY-MM-DD');

export const fetchData = async (mode: ECalendarMode, date = selectedDate) => {
  let dateFrom = dayjs.utc(date).date(1).format('YYYY-MM-DD');
  let dateTo = dayjs.utc(date).date(31).format('YYYY-MM-DD');

  switch (mode) {
    case ECalendarMode.DAILY: {
      dateFrom = dayjs.utc(date).subtract(1, 'day').format('YYYY-MM-DD');
      dateTo = dayjs.utc(date).add(1, 'day').format('YYYY-MM-DD');
      break;
    }
    case ECalendarMode.WEEKLY: {
      dateFrom = dayjs.utc(date).subtract(7, 'day').format('YYYY-MM-DD');
      dateTo = dayjs.utc(date).add(7, 'day').format('YYYY-MM-DD');
      break;
    }
  }

  const url = `https://api.bondsports.co/v1/venues/120/spaces?startDate=${dateFrom}&endDate=${dateTo}&limit=100000&onlyActiveSessions=true&includeBlocking=true`;

  return await fetch(url)
    .then((response) => response.json())
    .then((res) => {
      let newSlots = [] as ISlot[];

      let eventsToSpaces = {} as ISlotEventsToSpaces;
      let events = {} as ISlotsEvents;

      res.data.forEach((resource: any) => {
        newSlots = [...newSlots, ...resource.sessions];

        if (eventsToSpaces[resource.id]) {
          eventsToSpaces[resource.id] = [
            ...eventsToSpaces[resource.id],
            ...(resource.sessions as ISlot[]),
          ];
        } else {
          eventsToSpaces[resource.id] = [...resource.sessions];
        }
      });

      newSlots.forEach((event) => {
        events[event.id] = event;
      });

      return { events, eventsToSpaces };
    })
    .catch((err) => err);
};