#! /bin/sh -e
# Boot Parameters to Configuration File

# This script processes the brltty= boot parameters in /proc/cmdline and
# writes a corresponding BRLTTY configuration file to /target/etc/brltty.conf.

. /usr/share/debconf/confmodule

parse()
{
   brailleDriver=""
   brailleDevice=""
   textTable=""
   brailleParameters=""

   found=false
   while [ "${#}" -gt 0 ]
   do
      case "${1}"
      in
         "brltty="*)
            found=true
            parameters="${1#*=}"

            number=1
            while [ "${number}" -le 4 ]
            do
               parameter="${parameters%%,*}"
               if [ -n "${parameter}" ]
               then
                  case "${number}"
                  in
                     1)
                        brailleDriver="${parameter}"
                        ;;
                     2)
                        brailleDevice="${parameter}"
                        ;;
                     3)
                        textTable="${parameter}"
                        ;;
                     4)
                        brailleParameters="$(echo "$parameter" | sed -e 's/+/,/')"
                        ;;
                  esac
               fi

               number="`expr ${number} + 1`"
               new_parameters="${parameters#*,}"
               [ "${new_parameters}" != "${parameters}" ] || break
               parameters="${new_parameters}"
            done
            ;;
      esac

      shift
   done

   if "${found}"
   then
      echo "# Modified by ${0}"
      [ -z "${brailleDriver}" ] && brailleDriver=auto
      echo "braille-driver ${brailleDriver}"
      [ -z "${brailleDevice}" ] && brailleDevice=usb:
      echo "braille-device ${brailleDevice}"
      [ -n "${textTable}" ] && echo "text-table ${textTable}"
      [ -n "${brailleParameters}" ] && echo "braille-parameters ${brailleParameters}"
   fi

   true
}

unset DEBIAN_HAS_FRONTEND
unset DEBIAN_FRONTEND
unset DEBCONF_FRONTEND
unset DEBCONF_REDIR

pid=/var/run/brltty.pid

if [ -r $pid ] && kill -0 `cat $pid`; then
    if apt-install brltty 1>&2; then
        file="/proc/cmdline"
        if [ -f $file ]; then
            if grep brltty= $file >/dev/null ; then
                parse `cat "${file}"` >>/target/etc/brltty.conf
                chroot /target systemctl enable brltty
            fi
        fi

	# Grub
	mkdir -p /target/etc/default/grub.d
	echo 'GRUB_INIT_TUNE="480 440 1"' > /target/etc/default/grub.d/brltty.cfg
	[ -x /target/usr/sbin/update-grub ] && /bin/in-target /usr/sbin/update-grub || true

	# Gnome 2
	/bin/in-target su -s /bin/sh -c "gconftool-2 --type bool --set /desktop/gnome/applications/at/screen_reader_enabled true" Debian-gdm || true

	# Gnome 3
	mkdir -p /target/usr/share/glib-2.0/schemas
	cat > /target/usr/share/glib-2.0/schemas/15_brltty.gschema.override <<END
# Setup by debian-installer (via finish-install.d/07brltty) since
# braille support was enabled during initial installation

[org.gnome.desktop.a11y.applications]
screen-reader-enabled=true

[org.gnome.desktop.sound]
event-sounds=true

[org.mate.interface]
accessibility=true
END

	in-target dpkg-trigger --no-await /usr/share/glib-2.0/schemas || true
	in-target dpkg --triggers-only -a || true

	# lightdm
	if [ -x "/target/usr/bin/orca-dm-wrapper" ];
	then
		mkdir -p /target/etc/xdg/lightdm/lightdm.conf.d
		cat > /target/etc/xdg/lightdm/lightdm.conf.d/80_orca-dm-wrapper.conf << EOF
[SeatDefaults]
greeter-wrapper=/usr/bin/orca-dm-wrapper
EOF
	fi

	# KDE4
	/bin/in-target su -s /bin/sh -c "kwriteconfig --file kaccessibleapp --group Adaptor --key setSpeechEnabled 'true'" kdm || true
	/bin/in-target su -s /bin/sh -c "kwriteconfig --file kaccessibleapp --group Main --key SpeechEnabled 'true'" kdm || true
	# KDE5
	/bin/in-target su -s /bin/sh -c "kwriteconfig5 --file kaccessrc --group ScreenReader --key Enabled 'true'" kdm || true

	db_get passwd/username
	USERNAME="$RET"
	if [ -n "$USERNAME" ]
	then
		# Gnome 2
		/bin/in-target su -s /bin/sh -c "gconftool-2 --type bool --set /desktop/gnome/interface/accessibility true" "$USERNAME" || true
		/bin/in-target su -s /bin/sh -c "gconftool-2 --type bool --set /desktop/gnome/applications/at/visual/startup true" "$USERNAME" || true
		/bin/in-target su -s /bin/sh -c "gconftool-2 --type bool --set /desktop/gnome/sound/event_sounds true" "$USERNAME" || true

		# XFCE
		/bin/in-target su -s /bin/sh -c "mkdir -p /home/$USERNAME/.config/xfce4/xfconf/xfce-perchannel-xml" "$USERNAME"
		cat > /target/home/$USERNAME/.config/xfce4/xfconf/xfce-perchannel-xml/xfce4-session.xml <<END
<?xml version="1.0" encoding="UTF-8"?>

<channel name="xfce4-session" version="1.0">
  <property name="general" type="empty">
    <property name="StartAssistiveTechnologies" type="bool" value="true"/>
  </property>
</channel>
END
		/bin/in-target chown $USERNAME.$USERNAME /home/$USERNAME/.config/xfce4/xfconf/xfce-perchannel-xml/xfce4-session.xml

		# LXDE, XFCE, LXQt
		if [ -r "/target/etc/xdg/autostart/orca-autostart.desktop" ];
		then
			/bin/in-target su -s /bin/sh -c "mkdir -p /home/$USERNAME/.config/autostart" "$USERNAME"
			/bin/in-target su -s /bin/sh -c "cp /etc/xdg/autostart/orca-autostart.desktop /home/$USERNAME/.config/autostart/my-orca-autostart.desktop" "$USERNAME"
			/bin/in-target su -s /bin/sh -c "sed -i -e 's/OnlyShowIn=.*/OnlyShowIn=XFCE;LXDE;LXQt;/' /home/$USERNAME/.config/autostart/my-orca-autostart.desktop" "$USERNAME"
		fi

		# KDE4
		/bin/in-target su -s /bin/sh -c "kwriteconfig --file kaccessibleapp --group Adaptor --key setSpeechEnabled 'true'" "$USERNAME" || true
		/bin/in-target su -s /bin/sh -c "kwriteconfig --file kaccessibleapp --group Main --key SpeechEnabled 'true'" "$USERNAME" || true
		# KDE5
		/bin/in-target su -s /bin/sh -c "kwriteconfig5 --file kaccessrc --group ScreenReader --key Enabled 'true'" "$USERNAME" || true
	fi
    fi
fi

exit 0