# Copyright (c) 2012 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import ap_spec
import linksyse_single_band_configurator


class Linksyse2100APConfigurator(linksyse_single_band_configurator.
                                 LinksyseSingleBandAPConfigurator):
    """Derived class to control Linksys E2100 router."""


    def _set_mode(self, mode, band=None):
        mode_mapping = {ap_spec.MODE_M:'Mixed',
                        ap_spec.MODE_B | ap_spec.MODE_G:'BG-Mixed',
                        ap_spec.MODE_G:'Wireless-G Only',
                        ap_spec.MODE_B:'Wireless-B Only',
                        ap_spec.MODE_N:'Wireless-N Only',
                        ap_spec.MODE_D:'Disabled'}
        mode_name = mode_mapping.get(mode)
        if not mode_name:
            raise RuntimeError('The mode %d not supported by router %s. ',
                               hex(mode), self.name)
        xpath = '//select[@name="wl_net_mode"]'
        self.select_item_from_popup_by_xpath(mode_name, xpath,
                                             alert_handler=self._sec_alert)


    def _set_ssid(self, ssid):
        xpath = '//input[@maxlength="32" and @name="wl_ssid"]'
        self.set_content_of_text_field_by_xpath(ssid, xpath, abort_check=False)
        self._ssid = ssid


    def _set_channel(self, channel):
        position = self._get_channel_popup_position(channel)
        xpath = '//select[@name="wl_schannel"]'
        channels = ['Auto',
                    '1 - 2.412GHZ', '2 - 2.417GHZ', '3 - 2.422GHZ',
                    '4 - 2.427GHZ', '5 - 2.432GHZ', '6 - 2.437GHZ',
                    '7 - 2.442GHZ', '8 - 2.447GHZ', '9 - 2.452GHZ',
                    '10 - 2.457GHZ', '11 - 2.462GHZ']
        self.select_item_from_popup_by_xpath(channels[position], xpath)


    def _set_ch_width(self, channel_wid):
        channel_width_choice = ['Auto', 'Standard - 20MHz Channel']
        xpath = '//select[@name="_wl_nbw"]'
        self.select_item_from_popup_by_xpath(channel_width_choice[channel_wid],
                                             xpath)


    def set_security_disabled(self):
        self.add_item_to_command_list(self._set_security_disabled, (), 2, 1000)


    def _set_security_disabled(self):
        xpath = '//select[@name="security_mode2"]'
        self.select_item_from_popup_by_xpath('Disabled', xpath)


    def set_security_wep(self, key_value, authentication):
        self.add_item_to_command_list(self._set_security_wep,
                                      (key_value, authentication), 2, 1000)


    def _set_security_wep(self, key_value, authentication):
        # WEP and WPA-Personal are not supported for Wireless-N only mode
        # and Mixed mode.
        # WEP and WPA-Personal do not show up in the list, no alert is thrown.
        popup = '//select[@name="security_mode2"]'
        self.select_item_from_popup_by_xpath('WEP', popup,
                                             alert_handler=self._sec_alert)
        text = '//input[@name="wl_passphrase"]'
        self.set_content_of_text_field_by_xpath(key_value, text,
                                                abort_check=True)
        xpath = '//input[@value="Generate"]'
        self.click_button_by_xpath(xpath, alert_handler=self._sec_alert)


    def _set_security_wpapsk(self, security, shared_key, update_interval=None):
        popup = '//select[@name="security_mode2"]'
        self.wait_for_object_by_xpath(popup)
        if security == ap_spec.SECURITY_TYPE_WPAPSK:
            wpa_item = 'WPA Personal'
        else:
            wpa_item = 'WPA2 Personal'
        self.select_item_from_popup_by_xpath(wpa_item, popup,
                                             alert_handler=self._sec_alert)
        text = '//input[@name="wl_wpa_psk"]'
        self.set_content_of_text_field_by_xpath(shared_key, text,
                                                abort_check=True)


    def is_update_interval_supported(self):
        """
        Returns True if setting the PSK refresh interval is supported.

        @return True is supported; False otherwise
        """
        return False


    def _set_visibility(self, visible=True):
        int_value = 0 if visible else 1
        xpath = ('//input[@value="%d" and @name="wl_closed"]' % int_value)
        self.click_button_by_xpath(xpath, alert_handler=self._sec_alert)