#! /bin/bash
# Copyright 2020 Yann MRN
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 3, as published
# by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranties of
# MERCHANTABILITY, SATISFACTORY QUALITY, 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/>.

#Called from /usr/sbin/$APPNAME-bin
cmd_start() {
GUI=""
DEBBUG=""
[[ "$*" =~ -d ]] && DEBBUG="-d "
if [[ "$1" =~ "-t" ]];then
	if [[ $EUID -ne 0 ]];then
		echo "Root privileges are required to run $APPNAME $*"
	else
		. /usr/share/boot-sav/bs-cmd_terminal.sh
		if [[ "$(echo $2 | grep "^[ [:digit:] ]*$")" ]];then
			. /usr/share/boot-sav/gui-init.sh
			lib_init
			check_os_and_mount_blkid_partitions_gui
			tail_common_logs -$2
			unmount_all_blkid_partitions_except_df
		else
			echo "-t must be followed by an integer, e.g. $APPNAME -t 30"
		fi
	fi
elif [[ "$*" =~ "-i" ]] ;then
	if [[ $EUID -ne 0 ]];then
		echo "Root privileges are required to run $APPNAME $*"
	else
		. /usr/share/boot-sav/bs-cmd_terminal.sh
		echo_version
		check_if_live_session y
		check_efi_dmesg y
		esp_detect
		full_infos
	fi
elif [[ "$*" =~ "--esp" ]];then
	. /usr/share/boot-sav/bs-cmd_terminal.sh
	[[ $EUID -ne 0 ]] && echo "Root privileges are required to run $APPNAME $*" || esp_detect
elif [[ "$*" =~ "-e" ]];then
	. /usr/share/boot-sav/bs-cmd_terminal.sh
	check_if_live_session y
	check_efi_dmesg y
elif [[ "$*" =~ "-v" ]];then
	. /usr/share/boot-sav/bs-cmd_terminal.sh
	echo_version
else
	# Ask root privileges
	if [[ $EUID -ne 0 ]];then
		if [[ "$1" ]];then
			echo "Root privileges are required to run $APPNAME $*"
			exit
		fi
		if hash xhost && ! xhost | grep -qi 'SI:localuser:root';then #workaround bug#1713313
			xhost +SI:localuser:root > /dev/null
		fi
#		if hash pkexec;then
#			pkexec $APPNAME-bin
#		elif hash gksudo;then
#			gksudo $APPNAME-bin #gksu and su dont work in Kubuntu
#		elif hash gksu;then
#			gksu $APPNAME-bin
#		elif hash kdesudo;then
#			kdesudo $APPNAME-bin
#		elif hash xdg-su;then
#			xdg-su -c $APPNAME-bin
		if hash sudo;then
			sudo $APPNAME-bin $*
		elif hash su;then
			su -c $APPNAME-bin $*
		else
			t="Root privileges are required to run $APPNAME."
			echo "$t"
			#zenity --width=300 --error --text="$t"
		fi
		#[[ "$GRANTED_XHOST_ROOT" ]] && xhost -SI:localuser:root > /dev/null
		exit 1
	fi
	# Launch the Glade window via glade2script
	G2S=glade2script-python3; [[ "$(type -p glade2script)" ]] && [[ ! "$*" =~ -python3 ]] && G2S=glade2script
	if [[ "$G2S" =~ 3 ]] && [[ ! "$*" =~ -python3 ]];then
		if [[ "$(lsb_release -is)" =~ Ubuntu ]];then
			REP=yes
			zenity --width=300 --question --title="$APPNAME" --text="This will enable the Universe repository and install the 'glade2script' package, do you want to continue?" || REP=no
			if [[ "$REP" = yes ]];then
				zenity --width=300 --info --title="$APPNAME" --text="This may take several minutes depending on your internet connection, please wait.\n\nIf you are a Python dev, please see https://blueprints.launchpad.net/glade2script/+spec/g2s-python3" &
				sudo add-apt-repository -y universe
				sudo apt update -y
				sudo apt install -y glade2script
				$APPNAME $* &
			fi
		else
			zenity --width=300 --info --title="$APPNAME" --text="Please install Python2 and the 'glade2script' package.\n\nSee also https://blueprints.launchpad.net/glade2script/+spec/g2s-python3 "
		fi
	elif [[ "$G2S" =~ 3 ]] && [[ ! -f /usr/bin/$G2S ]];then
		echo "Please install the $G2S package."
		zenity --width=300 --info --title="$APPNAME" --text="Please install the $G2S package."
	else
		[[ "$G2S" =~ 3 ]] && [[ ! "$(type -p $G2S)" ]] && echo "Warning: type -p $G2S is false."
		
		$G2S ${DEBBUG}-g /usr/share/boot-sav/boot-sav.glade -s /usr/share/boot-sav/$APPNAME.sh \
		--combobox="@@_combobox_format_partition@@col" \
		--combobox="@@_combobox_bootflag@@col" \
		--combobox="@@_combobox_ostoboot_bydefault@@col" \
		--combobox="@@_combobox_purge_grub@@col" \
		--combobox="@@_combobox_separateboot@@col" \
		--combobox="@@_combobox_efi@@col" \
		--combobox="@@_combobox_sepusr@@col" \
		--combobox="@@_combobox_place_grub@@col" \
		--combobox="@@_combobox_add_kernel_option@@col" \
		--combobox="@@_combobox_restore_mbrof@@col" \
		--combobox="@@_combobox_partition_booted_bymbr@@col"
	fi
	if hash xhost && xhost | grep -qi 'SI:localuser:root';then
		xhost -SI:localuser:root > /dev/null
	fi
fi
exit 0
}