(function(){

    "use strict";

    angular
        .module("app.helpers")
        .service("helpers.convert", convertHelper);

    function convertHelper($filter){

        this.dataURIToBlob = function(dataURI) {

            var binary = window.atob(dataURI.split(',')[1]);
            var mimeString = dataURI.split(',')[0].split(':')[1].split(';')[0];
            var array = [];
            for (var i = 0; i < binary.length; i++) {
                array.push(binary.charCodeAt(i));
            }
            return new Blob([new Uint8Array(array)], {
                type: mimeString
            });
        };
        
        this.renderImageName = function(imgType){
            var fileName = new Date().getTime();
            var plainExtension = imgType.substring(imgType.indexOf('/') + 1);
            return fileName+'.'+plainExtension;
        }

    }

    convertHelper.$inject = [
        "$filter"
    ];

})();