number-munchers/controllers/high-score/high-score.controller.js

import * as HighScoreActions from '../../actions/high-score/high-score.actions';
import * as ModeActions from '../../actions/mode.actions';

import InitialsCtrl from './initials.controller';
import SETTINGS from '../../AppSettings';

let dispatch;
let found = -1;
let score = 0;

const HighScoreCtrl = {
    setDispatch: (d) => dispatch = d,

    updateScore: (finalScore) => {
        score = finalScore;
        dispatch(HighScoreActions.updateScore(finalScore));
    },

    checkForHighScore: () => {
        const scores = JSON.parse(localStorage.getItem(SETTINGS.LOCAL_STORAGE_KEY));

        for (let i = 0; i < scores.length; i++) {
            if (scores[i].score < score) {
                found  = i;
                break;
            }
        }

        if (found === -1) {
            dispatch(ModeActions.welcome());
        }
    },

    keydown: (e) => {
        if (e.keyCode === 13 || e.keyCode === 32) {
            let scores = JSON.parse(localStorage.getItem(SETTINGS.LOCAL_STORAGE_KEY));
            const initials = InitialsCtrl.getInitials();

            scores.splice(found, 0, { initials: initials, score: score });
            scores.pop();
            localStorage.setItem(SETTINGS.LOCAL_STORAGE_KEY, JSON.stringify(scores));

            found = -1;
            score = 0;

            dispatch(ModeActions.welcome());
        }
    }
};

export default HighScoreCtrl;