#!/bin/sh
cd "$(dirname "$0")"
. ../lib/bootstrap

wrong_call() {
	cat << EOF
run this script as root and with the username of your user account

examples:
	$ sudo $0 loek

	$ sudo $0 "\$LOGNAME"

	# $0 gert
EOF
	exit 1
}

# this script needs to run with root privileges
[ $(id -u) -ne 0 ] && wrong_call
# SETUP_USER must exist
SETUP_USER="$1"
s getent passwd "$SETUP_USER" || wrong_call
# SETUP_USER can not be root
[ $(id -u "$SETUP_USER") -eq 0 ] && wrong_call

begintask "copy system config files"
s cp -r etc/. /etc
endtask

PINENTRY="pinentry-gnome3"
[ "$(command -v pinentry | xargs realpath | xargs basename)" != "$PINENTRY" ] && (
	begintask "set pinentry program to $PINENTRY"
	s ln -sf "$PINENTRY" "$(command -v pinentry)"
	endtask
)

begintask "enabling services"
s systemctl enable bluetooth ntpd cups
endtask

GROUPS_OK=1
CURRENT_GROUPS="$(id -Gn "$SETUP_USER")"
TARGET_GROUPS="users uucp optical lp audio wheel input"
for group in $TARGET_GROUPS ; do
	if ! echo "$CURRENT_GROUPS" | s grep "$group" ; then
		GROUPS_OK=0
		break
	fi
done
[ "$GROUPS_OK" -ne 1 ] && (
	begintask "adding $SETUP_USER to groups"
	s usermod -aG "$(echo "$TARGET_GROUPS" | tr ' ' ',')" "$SETUP_USER"
	endtask
)

PAM_GNUPG_FILE="/etc/pam.d/system-login"
! s grep 'pam_gnupg' "$PAM_GNUPG_FILE" && (
	begintask "adding pam-gnupg PAM module"
	cat << EOF >> "$PAM_GNUPG_FILE"

# https://github.com/cruegge/pam-gnupg
auth        optional    pam_gnupg.so store-only
session     optional    pam_gnupg.so
EOF
	endtask
)

s grep '^#\s*\<Color\>' /etc/pacman.conf && (
	begintask "enabling color in /etc/pacman.conf"
	s sed 's/^#\s*\(\<Color\>\)/\1/g' -i /etc/pacman.conf
	endtask
)

[ "$(getent passwd "$SETUP_USER" | cut -d: -f7 | xargs basename)" != "zsh" ] && (
	begintask "set user shell to zsh"
	s chsh -s "$(command -v zsh)" "$SETUP_USER"
	endtask
)

cat << EOF

root bootstrap finished in $(finishtime)!

EOF