/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- /
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */

/* global HtmlHelper, FxaModuleOverlay, LazyLoader, FxaModuleErrors,
   FxaModuleErrorOverlay, BrowserFrame, EntrySheet */
/* exported FxaModule */

'use strict';

var FxaModule = (function() {

  var Module = {
    initialized: false,
    init: function fxam_init() {
      // override this to do initialization
      // l10n note: this method is called after mozL10n.once has fired. It is
      // safe to assume strings have loaded and mozL10n.readyState is 'complete'
      // inside this function and other Module functions.
    },

    onNext: function fxam_onNext(gotoNextStepCallback) {
      // override this to take care of when the user clicks on the "next"
      // button. Validate any inputs, talk with the backend, do processing.
      // When complete, call gotoNextStepCallback with the next state from
      // fxam_states.js
    },

    onBack: function fxam_onBack() {
      // handle "back" button presses.
    },

    onDone: function fxam_onDone(doneCallback) {
      doneCallback();
    },

    importElements: function fxam_importElements() {
      var args = [].slice.call(arguments);
      // context to import into is the first argument to importElements
      args.unshift(this);
      HtmlHelper.importElements.apply(null, args);
    },

    showErrorResponse: function fxam_showErrorResponse(response) {
      // special case: if a network error occurs during FTE,
      // we show a slightly different error message
      var resp = response;
      if (window.location.search.indexOf('isftu') != -1 &&
          resp == 'OFFLINE_ERROR') {
        resp = 'CONNECTION_ERROR';
      }

      FxaModuleOverlay.hide();
      LazyLoader.load('js/fxam_errors.js', () => {
        var config = FxaModuleErrors.responseToParams(resp);
        FxaModuleErrorOverlay.show(config.title, config.message, resp);
        if (resp && resp.error === 'COPPA_ERROR') {
          var link =
            FxaModuleErrorOverlay.fxaErrorMsgCoppa.querySelector('#coppa-link');
          link.addEventListener('click', this.onCopaLinkClick);
        }
      });
    },

    onCopaLinkClick: function(e) {
      e.preventDefault();
      if (this.entrySheet) {
        this.entrySheet.close();
        this.entrySheet = null;
      }
      var coppaUrl = 'http://www.ftc.gov/news-events/media-resources/' +
        'protecting-consumer-privacy/kids-privacy-coppa';

      this.entrySheet = new EntrySheet(
        window.top.document.getElementById('screen'),
        'URL:' + coppaUrl,
        new BrowserFrame({
          url: coppaUrl,
          oop: true
        })
      );

      this.entrySheet.open();
    },

    hideErrorResponse: function fxam_hideErrorResponse() {
      var link =
        FxaModuleErrorOverlay.fxaErrorMsgCoppa.querySelector('#coppa-link');
      link.removeEventListener('click', this.onCopaLinkClick);
      FxaModuleErrorOverlay.hide();
      FxaModuleOverlay.hide();
    }
  };

  return Module;

}());