angular.module('EncryptServ', []).service('EncryptService', ['$http',
    function ($http) {
      a = {
        encrypter: false,
        whenOk: function (cb) {
          if (this.encrypter) {
            cb();
          } else {
            this.prepare(cb);
          }
        },
        prepare: function (cb) {
          $http.get('/com/ci_com_pub.pem').success(function (key) {
            this.encrypter = new JSEncrypt();
            this.encrypter.setPublicKey(key);
            cb();
          });
        },
        preload: function(cb) {
          this.whenOk(cb);
        },
        encrypt: function (string, cb) {
          this.whenOk(function() {
            cb(this.encrypter.encrypt(string));
          });
        }
      };
      return a;
    }
  ]);