export const CURRENT_STEP = 'GUIDED_TOUR_CURRENT_STEP';
export const COMPLETED_STEPS = 'GUIDED_TOUR_COMPLETED_STEPS';
export const SKIPPED = 'GUIDED_TOUR_SKIPPED';
const parse = JSON.parse;
const stringify = JSON.stringify;

const persistStateToLocaleStorage = {
  clear() {
    localStorage.removeItem(CURRENT_STEP);
    localStorage.removeItem(COMPLETED_STEPS);
  },
  addCompletedStep(completedStep) {
    const currentSteps = parse(localStorage.getItem(COMPLETED_STEPS))?.slice() || [];
    const isAlreadyStored = currentSteps.includes(completedStep);

    if (isAlreadyStored) {
      return;
    }

    currentSteps.push(completedStep);
    localStorage.setItem(COMPLETED_STEPS, stringify(currentSteps));
  },
  addCurrentStep(currentStep) {
    localStorage.setItem(CURRENT_STEP, stringify(currentStep));
  },
  setSkipped(value) {
    localStorage.setItem(SKIPPED, stringify(value));
  },
  get(item) {
    return parse(localStorage.getItem(item));
  },
};

export default persistStateToLocaleStorage;