""" WSLConfigurationAdvanced View

WSLConfigurationAdvanced provides user with options with additional settings
for advanced configuration.

"""
import re

from urwid import (
    connect_signal,
)

from subiquitycore.ui.form import (
    Form,
    BooleanField,
    ChoiceField,
    simple_field,
    WantsToKnowFormField
)
from subiquitycore.ui.interactive import StringEditor
from subiquitycore.ui.utils import screen
from subiquitycore.view import BaseView
from subiquity.common.types import WSLConfigurationAdvanced


class MountEditor(StringEditor, WantsToKnowFormField):
    def keypress(self, size, key):
        ''' restrict what chars we allow for mountpoints '''

        mountpoint = r'[a-zA-Z0-9_/\.\-]'
        if re.match(mountpoint, key) is None:
            return False

        return super().keypress(size, key)


MountField = simple_field(MountEditor)
StringField = simple_field(StringEditor)


class WSLConfigurationAdvancedForm(Form):
    def __init__(self, initial):
        super().__init__(initial=initial)

    automount = BooleanField(_("Enable Auto-Mount"),
                             help=_("Whether the Auto-Mount freature is"
                                    " enabled. This feature allows you "
                                    "to mount Windows drive in WSL"))
    mountfstab = BooleanField(_("Mount `/etc/fstab`"),
                              help=_("Whether `/etc/fstab` will be mounted."
                                     " The configuration file `/etc/fstab` "
                                     "contains the necessary information to"
                                     " automate the process of mounting "
                                     "partitions. "))
    interop_enabled = BooleanField(_("Enable Interop"),
                                   help=_("Whether the interoperability is"
                                          " enabled"))
    interop_appendwindowspath = BooleanField(_("Append Windows Path"),
                                             help=_("Whether Windows Path "
                                                    "will be append in the"
                                                    " PATH environment "
                                                    "variable in WSL."))
    gui_theme = ChoiceField(_("GUI Theme"),
                            help=_("This option changes the Ubuntu theme."),
                            choices=["default", "light", "dark"])
    gui_followwintheme = BooleanField(_("Follow Windows Theme"),
                                      help=_("This option manages whether the"
                                             " Ubuntu theme follows the "
                                             "Windows theme; that is, when "
                                             "Windows uses dark theme, "
                                             "Ubuntu also uses dark theme."
                                             " Requires WSL interoperability"
                                             " enabled. "))
    legacy_gui = BooleanField(_("Legacy GUI Integration"),
                              help=_("This option enables the Legacy GUI "
                                     "Integration on Windows 10. Requires"
                                     " a Third-party X Server."))
    legacy_audio = BooleanField(_("Legacy Audio Integration"),
                                help=_("This option enables the Legacy "
                                       "Audio Integration on Windows 10. "
                                       "Requires PulseAudio for "
                                       "Windows Installed."))
    adv_ip_detect = BooleanField(_("Advanced IP Detection"),
                                 help=_("This option enables advanced "
                                        "detection of IP by Windows "
                                        "IPv4 Address which is more "
                                        "reliable to use with WSL2. "
                                        "Requires WSL interoperability"
                                        " enabled."))
    wsl_motd_news = BooleanField(_("Enable WSL News"),
                                 help=_("This options allows you to control"
                                        " your MOTD News. Toggling it on "
                                        "allows you to see the MOTD."))


class WSLConfigurationAdvancedView(BaseView):
    title = _("WSL Configuration - Advanced options")
    excerpt = _("In this page, you can configure Ubuntu WSL "
                "advanced options your needs. \n")

    def __init__(self, controller, configuration_data):
        self.controller = controller

        initial = {
            'interop_enabled': configuration_data.interop_enabled,
            'interop_appendwindowspath':
                configuration_data.interop_appendwindowspath,
            'gui_theme': configuration_data.gui_theme,
            'gui_followwintheme': configuration_data.gui_followwintheme,
            'legacy_gui': configuration_data.legacy_gui,
            'legacy_audio': configuration_data.legacy_audio,
            'adv_ip_detect': configuration_data.adv_ip_detect,
            'wsl_motd_news': configuration_data.wsl_motd_news,
            'automount': configuration_data.automount,
            'mountfstab': configuration_data.mountfstab,
        }
        self.form = WSLConfigurationAdvancedForm(initial=initial)

        connect_signal(self.form, 'submit', self.done)
        super().__init__(
            screen(
                self.form.as_rows(),
                [self.form.done_btn],
                focus_buttons=True,
                excerpt=self.excerpt,
            )
        )

    def done(self, result):
        self.controller.done(WSLConfigurationAdvanced(
            interop_enabled=self.form.interop_enabled.value,
            interop_appendwindowspath=self.form
            .interop_appendwindowspath.value,
            gui_theme=self.form.gui_theme.value,
            gui_followwintheme=self.form.gui_followwintheme.value,
            legacy_gui=self.form.legacy_gui.value,
            legacy_audio=self.form.legacy_audio.value,
            adv_ip_detect=self.form.adv_ip_detect.value,
            wsl_motd_news=self.form.wsl_motd_news.value,
            automount=self.form.automount.value,
            mountfstab=self.form.mountfstab.value,
            ))