const GObject     = imports.gi.GObject;
const Gtk         = imports.gi.Gtk;
const Unite       = imports.misc.extensionUtils.getCurrentExtension();
const Convenience = Unite.imports.convenience;

var PrefsWidget = new GObject.Class({
  Name: 'UnitePrefsWidget',
  Extends: Gtk.Box,

  _init(params) {
    this._settings = Convenience.getSettings();

    this.parent(params);

    this._buildable = new Gtk.Builder();
    this._buildable.add_from_file(`${Unite.path}/settings.ui`);

    this._container = this._getWidget('prefs_widget');
    this.add(this._container);

    this._bindStrings();
    this._bindBooleans();
    this._bindEnumerations();
  },

  _getWidget(name) {
    let widgetName = name.replace(/-/g, '_');
    return this._buildable.get_object(widgetName);
  },

  _bindInput(setting, prop) {
    let widget = this._getWidget(setting);
    this._settings.bind(setting, widget, prop, this._settings.DEFAULT_BINDING);
  },

  _bindSelect(setting) {
    let widget = this._getWidget(setting);
    widget.set_active(this._settings.get_enum(setting));

    widget.connect('changed', (combobox) => {
      this._settings.set_enum(setting, combobox.get_active());
    });
  },

  _bindStrings() {
    let settings = this._settings.getTypeSettings('string');
    settings.forEach(setting => { this._bindInput(setting, 'text') });
  },

  _bindBooleans() {
    let settings = this._settings.getTypeSettings('boolean');
    settings.forEach(setting => { this._bindInput(setting, 'active') });
  },

  _bindEnumerations() {
    let settings = this._settings.getTypeSettings('enum');
    settings.forEach(setting => { this._bindSelect(setting) });
  }
});

function init() {
  Convenience.initTranslations();
}

function buildPrefsWidget() {
  let widget = new PrefsWidget();
  widget.show_all();

  return widget;
}