# environment vars from build.sh:
#   ISO_TITLE
#   ISO_INIT
#   ISO_GUI
#   ENABLE_OFFLINE_INSTALL
#   ENABLE_TTS_BRLTTY


## timezone and locales ##

readonly LOCALES="en_US\.UTF-8 \
                  eo           \
                  es_ES\.UTF-8 \
                  fr_FR\.UTF-8 \
                  gl_ES\.UTF-8 \
                  it_IT\.UTF-8 \
                  pt_BR\.UTF-8 \
                  pl_PL\.UTF-8 "


## pacman ##

readonly NONSYSTEMD_REGEX='N ; s|^#\[nonsystemd\].*#Include|\[nonsystemd\]\nInclude|'


## services ##

readonly OPENRC_DELETE_FILES="/etc/hostname                                           \
                              /etc/systemd/scripts/choose-mirror                      \
                              /etc/systemd/system/choose-mirror.service               \
                              /etc/systemd/system/etc-pacman.d-gnupg.mount            \
                              /etc/systemd/system/getty@tty1.service.d/autologin.conf \
                              /etc/systemd/system/pacman-init.service                 "
readonly SYSTEMD_DELETE_FILES="/etc/conf.d/agetty.tty1 \
                               /etc/conf.d/hostname    \
                               /etc/init.d/pacman-init \
                               /etc/X11/Xwrapper.config"

readonly OPENRC_SERVICES_ALL="dbus           \
                              elogind        \
                              haveged        \
                              NetworkManager \
                              pacman-init    "
readonly OPENRC_SERVICES_GUI="alsasound"
readonly SYSTEMD_SERVICES_ALL="choose-mirror.service \
                               multi-user.target     \
                               pacman-init.service   "
readonly SYSTEMD_SERVICES_ACC="bluetooth.service           \
                               brltty.service              \
                               livecd-alsa-unmuter.service "
readonly SYSTEMD_SERVICES_GUI="NetworkManager.service"
readonly OPENRC_SERVICES="${OPENRC_SERVICES_ALL}                                           \
                           $([[ "${ISO_GUI}" != 'cli' ]] && echo " ${OPENRC_SERVICES_GUI}")"
readonly SYSTEMD_SERVICES="${SYSTEMD_SERVICES_ALL}                                                    \
                           $([[ "${ISO_GUI}" != 'cli' ]] && echo " ${SYSTEMD_SERVICES_GUI}")          \
                           $([[ "${ENABLE_TTS_BRLTTY}" == 'yes' ]] && echo " ${SYSTEMD_SERVICES_ACC}")"


## system defaults and root user ##

readonly DEFAULT_SHELL=/bin/bash

readonly NETINSTALL_MSG="To install Parabola, the system must be connected to the internet."
readonly COMPLETE_MSG="This ISO is capable of installing a complete Parabola system\n\
    without a connection to the internet.\n\
    To fetch packages from the internet, enter this command first:\n\
        # cp /etc/pacman-online.conf /etc/pacman.conf"
if   [[ "${ENABLE_OFFLINE_INSTALL}" == 'true' ]]
then readonly INSTALL_TYPE='Complete'   ; readonly NETWORK_MOTD_MSG=${COMPLETE_MSG}   ;
else readonly INSTALL_TYPE='NetInstall' ; readonly NETWORK_MOTD_MSG=${NETINSTALL_MSG} ;
fi

readonly ROOT_SKEL_FILES="/etc/skel/.bash_logout           \
                          /etc/skel/.bash_profile          \
                          /etc/skel/install-openrc-lxde.sh \
                          /etc/skel/install-systemd-mate.sh"

readonly LIVE_USER=parabola
readonly DEFAULT_USER_GROUPS="adm,audio,floppy,log,network,rfkill,scanner,storage,optical,power,wheel"
readonly OPENRC_USER_GROUPS="disk,sys"
[[ "${ISO_INIT}" == 'openrc' ]] && readonly LIVE_USER_GROUPS="${DEFAULT_USER_GROUPS},${OPENRC_USER_GROUPS}" ||
                                   readonly LIVE_USER_GROUPS="${DEFAULT_USER_GROUPS}"

readonly TITLE_REGEX="^(.+) - (.+) (.+)"
readonly TITLE_ERROR_MSG="malformed ISO title:\n\t'${ISO_TITLE}'"
! [[ "${ISO_TITLE}" =~ ${TITLE_REGEX} ]] && echo -e "${TITLE_ERROR_MSG}" && exit 1
readonly OS_PRETTY_NAME="${BASH_REMATCH[  1]}"
readonly OS_VERSION="${BASH_REMATCH[  3]}"
readonly OS_VERSION_ID="$(tr '.' '-' <<<${OS_VERSION})"
readonly OS_VARIANT="${BASH_REMATCH[  2]} - (${INSTALL_TYPE})"
readonly OS_VARIANT_ID="${ISO_INIT}-${ISO_GUI}-${INSTALL_TYPE,,}"


LOG_CONFIG() { printf "\033[01;34mconfiguring: %s\033[00m\n" "$(echo -e $*)" ; }