import { Request, Response } from "express";
import CalendarService from "../service/calendarService";
import CalendarTypeService from "../service/calendarTypeService";
import { calendar } from "../entity/calendar";
import { createEvents } from "ics";
import moment from "moment";

/**
 * @description get all calendar items by types or nscdr
 * @param req {Request} Express req object
 * @param res {Response} Express res object
 * @returns {Promise<*>}
 */
export async function getCalendarItemsByTypes(req: Request, res: Response): Promise<any> {
  let types = Array.isArray(req.query.types) ? req.query.types : [req.query.types];

  let items: Array<calendar> = [];
  if (types.length == 0) {
    let typeIds = await CalendarTypeService.getByTypes(types as Array<string>);
    items = await CalendarService.getByTypes(typeIds.map((t) => t.id));
  } else {
    items = await CalendarService.getByTypeNSCDR();
  }

  let events = createEvents(
    items.map((i) => ({
      calName: process.env.CLUB_NAME,
      uid: i.id,
      sequence: 1,
      start: moment(i.starttime)
        .format("YYYY-M-D-H-m")
        .split("-")
        .map((a) => parseInt(a)) as [number, number, number, number, number],
      end: moment(i.endtime)
        .format("YYYY-M-D-H-m")
        .split("-")
        .map((a) => parseInt(a)) as [number, number, number, number, number],
      title: i.title,
      description: i.content,
      location: i.location,
      categories: [i.type.type],
      created: moment(i.createdAt)
        .format("YYYY-M-D-H-m")
        .split("-")
        .map((a) => parseInt(a)) as [number, number, number, number, number],
      lastModified: moment(i.updatedAt)
        .format("YYYY-M-D-H-m")
        .split("-")
        .map((a) => parseInt(a)) as [number, number, number, number, number],
      transp: "OPAQUE" as "OPAQUE",
      url: "https://www.ff-merching.de",
      alarms: [
        {
          action: "display",
          description: "Erinnerung",
          trigger: {
            minutes: 30,
            before: true,
          },
        },
      ],
    }))
  );

  res.type("ics").send(events.value);
}