const GLib        = imports.gi.GLib
const GObject     = imports.gi.GObject
const Gtk         = imports.gi.Gtk
const Me          = imports.misc.extensionUtils.getCurrentExtension()
const Convenience = Me.imports.convenience
const Override    = Me.imports.overrides.helper

var PrefsWidget = GObject.registerClass(
  class UnitePrefsWidget extends Gtk.Box {
    _init(params) {
      super._init(params)

      this._settings  = Convenience.getSettings()
      this._buildable = new Gtk.Builder()

      Override.inject(this, 'prefs', 'PrefsWidget')

      this._loadTemplate()
      this._bindStrings()
      this._bindSelects()
      this._bindBooleans()
      this._bindEnumerations()
      this._bindIntegers()
    }

    _loadTemplate() {
      const template = GLib.build_filenamev([Me.path, 'settings.ui'])
      this._buildable.add_from_file(template)

      this._container = this._getWidget('prefs_widget')
      this.append(this._container)
    }

    _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)
    }

    _bindEnum(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'))
    }

    _bindSelects() {
      let settings = this._settings.getTypeSettings('select')
      settings.forEach(setting => this._bindInput(setting, 'active-id'))
    }

    _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._bindEnum(setting))
    }

    _bindIntegers() {
      let settings = this._settings.getTypeSettings('int')
      settings.forEach(setting => this._bindInput(setting, 'value'))
    }
  }
)

function init() {
  Convenience.initTranslations()
}

function buildPrefsWidget() {
  return new PrefsWidget()
}