define(function(require, exports, module) {
'use strict';

/**
 * These errors are _not_ exceptions and are designed to be passed not thrown
 * in typical |throw new X| fashion.
 */
function Base(name, detail) {
  this.message = 'oops... why did you throw this?';
  this.name = name;
  this.detail = detail;
}
module.exports = Base;

Base.prototype = Object.create(Error.prototype);

function errorFactory(name, l10nID) {
  var error = function(detail) {
    this.name = name;
    this.detail = detail;
    /**
     * we need to use l10nID's for backwards compatibility
     * (not changing string IDs between releases).
     */
    this.l10nID = l10nID || name;
  };

  error.prototype = Object.create(Base.prototype);
  return error;
}

/* note names should _never_ change */
Base.Authentication = errorFactory('authentication', 'unauthenticated');
Base.InvalidServer = errorFactory('invalid-server', 'internal-server-error');
Base.ServerFailure = errorFactory('server-failure', 'internal-server-error');

});