var Benchmark = function() {

};

Benchmark.prototype.start = function() {
    this.start = new Date().getTime();
    console.time('Benchmark');
};

Benchmark.prototype.stop = function() {
    this.stop = new Date().getTime();
    console.timeEnd('Benchmark');
};

Benchmark.prototype.read = function() {
    this.data = localStorage.getItem('benchy');
    if(this.data) {
        this.data =  JSON.parse(this.data);
    } else {
        this.data = [];
    }
};

Benchmark.prototype.write = function() {
    this.read();
    this.data.push(this.stop - this.start);
    localStorage.setItem('benchy', JSON.stringify(this.data));
};

Benchmark.prototype.stats = function() {
    this.read();
    console.log(typeof this.data);

    var avg = this.data.reduce(function(prev, curr, index, arr) {
        if(index === arr.length-1) {
            return (prev + curr) / arr.length;
        }
        return prev + curr;
    }, 0);

    console.log('avg: ' + avg + 'ms');
    console.log(this.data);
};

Benchmark.prototype.reset = function() {
    localStorage.setItem('benchy', '[]');
};

Benchmark.prototype.repeat = function(times) {
    this.read();
    if(this.data.length < times) {
        window.location.reload();
    } else {
        this.reset();
    }
};

window.benchy = new Benchmark();