import * as ScorebarActions from '../../actions/board/scorebar.actions';
import SETTINGS from '../../AppSettings';

const stored = JSON.parse(localStorage.getItem(SETTINGS.LOCAL_STORAGE_KEY)) || [{ score: 0 }];

let dispatch;
let lives = SETTINGS.LIVES;
let currentScore = 0;
let previousHighScore = stored[0].score;
let highScore = stored[0].score;
let gameOver = false;

const ScorebarCtrl = {
    setDispatch: d => dispatch = d,

    getLives: () => lives,
    getCurrentScore: () => currentScore,

    isGameOver: () => gameOver,

    update: () => {
        // Note that loss of points may cause new high to drop below previous.
        if (currentScore > previousHighScore) {
            highScore = currentScore;
        }
        else {
            highScore = previousHighScore;
        }


        dispatch(ScorebarActions.update(lives, currentScore, highScore));
    },

    munchSucceeded: () => {
        currentScore += 10;
        ScorebarCtrl.update();
    },

    munchFailed: () => {
        lives--;
        currentScore -= 5;
        ScorebarCtrl.update();
    },

    eatenByTroggle: () => {
        lives--;
        ScorebarCtrl.update();
    },

    levelUp: (level) => {
        currentScore += 25;

        if (level % 3 === 0) {
            lives++;
        }

        ScorebarCtrl.update();
    },

    gameOver: () => {
        gameOver = true;
    },

    reset: () => {
        lives = SETTINGS.LIVES;
        currentScore = 0;
        gameOver = false;
        ScorebarCtrl.update();
    }
};

export default ScorebarCtrl;