wongjiahau/ttap-web

import { IGroupedTimetable } from "../groupedTimetable";

const sum = require("lodash.sum");

export function Defilter(
  residueTimetables: IGroupedTimetable[],
  clickedTimeConstraint: number[]
): [IGroupedTimetable[], IGroupedTimetable[]] {
  if (clickedTimeConstraint.length !== 7) {
    throw new Error("Length clickedTimeConstraint must be exactly 7.");
  }
  const rescuedTimetables: IGroupedTimetable[] = [];
  const unrescuedTimetables: IGroupedTimetable[] = [];
  for (let i = 0; i < residueTimetables.length; i++) {
    const t = residueTimetables[i];
    let canBeRescued = true;
    for (let day = 0; day < 7; day++) {
      if ((t.DayTimeMatrix[day] & clickedTimeConstraint[day]) > 0) {
        canBeRescued = false;
        break;
      }
    }
    if (canBeRescued) {
      rescuedTimetables.push(t);
    } else {
      unrescuedTimetables.push(t);
    }
  }
  return [rescuedTimetables, unrescuedTimetables];
}