# conn_check.py
#
# Copyright 2022 mirkobrombin
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundationat version 3 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

import socket
import subprocess

from gi.repository import Gtk, GLib, Adw

from vanilla_first_setup.utils.run_async import RunAsync


@Gtk.Template(resource_path='/io/github/vanilla-os/FirstSetup/gtk/default-conn-check.ui')
class VanillaDefaultConnCheck(Adw.Bin):
    __gtype_name__ = 'VanillaDefaultConnCheck'

    btn_recheck = Gtk.Template.Child()
    status_page = Gtk.Template.Child()

    def __init__(self, window, distro_info, key, step, **kwargs):
        super().__init__(**kwargs)
        self.__window = window
        self.__distro_info = distro_info
        self.__key = key
        self.__step = step

        # connection check start
        self.__start_conn_check()

        # signals
        self.btn_recheck.connect("clicked", self.__on_btn_recheck_clicked)

    @property
    def step_id(self):
        return self.__key

    def get_finals(self):
        return {}

    def __start_conn_check(self):
        def async_fn():
            try:
                host = socket.gethostbyname("8.8.8.8")
                s = socket.create_connection((host, 53), 2)
                s.close()
                return True
            except:
                try:
                    host = '2001:4860:4860::8888'
                    s = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
                    s.settimeout(2)
                    s.connect((host, 53))
                    s.close()
                    return True
                except:
                    pass

            return False
        
        def callback(res, *args):
            if res:
                self.__window.next()
                return

            self.status_page.set_icon_name("network-wired-disconnected-symbolic")
            self.status_page.set_title(_("No Internet Connection!"))
            self.status_page.set_description(_("First Setup requires an active internet connection"))
            self.btn_recheck.set_visible(True)

        RunAsync(async_fn, callback)
    
    def __on_btn_recheck_clicked(self, widget, *args):
        widget.set_visible(False)
        self.status_page.set_icon_name("content-loading-symbolic")
        self.status_page.set_title(_("Checking Connection…"))
        self.status_page.set_description(_("Please wait until the connection check is done."))
        self.__start_conn_check()