wongjiahau/ttap-web

const last = require("lodash.last");
const sortBy = require("lodash.sortby");
import { ISlot } from "../model/slot";
import {
  GetDayTimeMatrixOfBigSlot,
  IBigSlot,
  newBigSlot,
} from "../permutator/bigSlot";
import { AppendMatrix } from "../permutator/matrix";

export function ParseSlotToBigSlot(slots: ISlot[]): IBigSlot[] {
  const sorted: ISlot[] = sortBy(slots, ["SlotNumber"]);
  const result = new Array<IBigSlot>();
  result.push(newBigSlot(sorted[0]));
  for (let i = 1; i < sorted.length; i++) {
    const s = sorted[i];
    const prevSlot: IBigSlot = last(result);
    if (s.SlotNumber === prevSlot.SlotNumber) {
      prevSlot.SlotIds.push(s.Uid);
      prevSlot.DayTimeMatrix = AppendMatrix(
        prevSlot.DayTimeMatrix,
        GetDayTimeMatrixOfBigSlot(s.Day, s.Week, s.TimePeriod)
      );
    } else {
      result.push(newBigSlot(s));
    }
  }
  return result;
}