wongjiahau/ttap-web

import * as typeName from "type-name";
import { ObjectStore } from "../../dataStructure/objectStore";
import { IGroupedTimetable } from "../../model/groupedTimetable";
import { RawSlot } from "../../model/rawSlot";
import {
  AlternativeSlot,
  CreateSlotViewModels,
  ISlotViewModel,
} from "../../model/slotViewModel";
import { Action } from "../actions/action";

export interface ITimetableListState {
  CurrentIndex: number; // Means the index for the current timetable variation
  CurrentSubIndex: number; // Means the index for identical timetables from the same timetable variants
  FiltrateTimetables: IGroupedTimetable[]; // Timetables that pass through the filtration process
  IsSummaryOpen: boolean;
  ResidueTimetables: IGroupedTimetable[]; // Timetables that failed to pass through the filtration process
  SlotViewModelStore: ObjectStore<ISlotViewModel>;
  ShowingAlternateSlotOf: ISlotViewModel | null;
  UidsOfLockedSlot: number[];
}

export function NewTimetableListState(
  groupedTimetables: IGroupedTimetable[],
  selectedSlots: RawSlot[],
  isSummaryOpen = true
): ITimetableListState {
  const slotVMs = CreateSlotViewModels(selectedSlots);

  const slotStateStore =
    groupedTimetables.length > 0
      ? new ObjectStore(slotVMs)
      : new ObjectStore([]);
  return {
    CurrentIndex: 0,
    CurrentSubIndex: 0,
    FiltrateTimetables: groupedTimetables,
    IsSummaryOpen: isSummaryOpen,
    ResidueTimetables: [],
    SlotViewModelStore: slotStateStore,
    ShowingAlternateSlotOf: null,
    UidsOfLockedSlot: [],
  };
}

export abstract class TimetableListStateAction extends Action<ITimetableListState> {
  public StateName() {
    return typeName(NewTimetableListState([], []));
  }
}

export interface IGetAlternativeSlotsParams {
  timetableListState: ITimetableListState;
  slots: RawSlot[];
}