wongjiahau/ttap-web

const clone = require("lodash.clone");
const find = require("lodash.find");
import { RawSlot } from "../../model/rawSlot";
import { Subject } from "../../model/subject";
import { IMasterState, MasterStateAction } from "./../reducers/masterState";

export class ToggleSelectionOnSpecificSlot extends MasterStateAction {
  public constructor(
    private slotNumber: string,
    private checked: boolean,
    private subjectCode: string
  ) {
    super();
  }
  public TypeName(): string {
    return this.checked
      ? `selecting slot [ ${this.slotNumber} ]`
      : `deselecting slot [ ${this.slotNumber} ]`;
  }
  protected GenerateNewState(state: IMasterState): IMasterState {
    const newSlotStates = clone(state.SlotTableState.SlotStates);
    newSlotStates[this.slotNumber] = !this.checked;
    const targetSubject = find(state.SubjectListState.Subjects, {
      Code: this.subjectCode,
    });
    return {
      ...state,
      SlotTableState: {
        ...state.SlotTableState,
        SlotStates: newSlotStates,
      },
    };
  }
}