/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/**
 * Form Autofill content process module.
 */

/* eslint-disable no-use-before-define */

const lazy = {};

ChromeUtils.defineESModuleGetters(lazy, {
  FormAutofill: "resource://autofill/FormAutofill.sys.mjs",
});

const formFillController = Cc[
  "@mozilla.org/satchel/form-fill-controller;1"
].getService(Ci.nsIFormFillController);

/**
 * Handles content's interactions for the process.
 *
 */
export var FormAutofillContent = {
  /**
   * @type {Set} Set of the fields with usable values in any saved profile.
   */
  get savedFieldNames() {
    return Services.cpmm.sharedData.get("FormAutofill:savedFieldNames");
  },

  get focusedElement() {
    return formFillController.focusedElement;
  },

  /**
   * @type {boolean} Flag indicating whether a focus action requiring
   * the popup to be active is pending.
   */
  _popupPending: false,

  init() {
    this.log = lazy.FormAutofill.defineLogGetter(this, "FormAutofillContent");
    this.debug("init");

    // eslint-disable-next-line mozilla/balanced-listeners
    Services.cpmm.sharedData.addEventListener("change", this);
  },

  showPopup() {
    if (Services.cpmm.sharedData.get("FormAutofill:enabled")) {
      this.debug("updateActiveElement: opening pop up");
      formFillController.showPopup();
    } else {
      this.debug(
        "updateActiveElement: Deferring pop-up until Autofill is ready"
      );
      this._popupPending = true;
    }
  },

  handleEvent(evt) {
    switch (evt.type) {
      case "change": {
        if (!evt.changedKeys.includes("FormAutofill:enabled")) {
          return;
        }
        if (Services.cpmm.sharedData.get("FormAutofill:enabled")) {
          if (this._popupPending) {
            this._popupPending = false;
            this.debug("handleEvent: Opening deferred popup");
            formFillController.showPopup();
          }
        }
        break;
      }
    }
  },
};

FormAutofillContent.init();