(function () {

    "use strict";

    angular
        .module("app.utils")
        .service("appUtils.imageService", imageService);

    /**
     * Declare image Service to obtain and render images inside current application.
     * @param {"constant.patientConstants"} patientConstants
     */
    function imageService(appSettings) {

        /**
         * Try to get user avatar and return appropriate image or default image from the storage.
         * @param img
         * @returns {*}
         */
        this.getAvatar = function (img) {
            return Boolean(img) == true && img.toString().trim().length > 0 ? img : appSettings.DEFAULT_AVATAR;
        };

    }

    // IoC container.
    imageService.$inject = [
        "app.SETTINGS"
    ];

})();