#!/bin/bash

##																						     ##
#																						      #
# Gentoo Stateless Environment project													      #
#																						      #
# Everything inside this directory has been created during Gentoo-soc 2017 and is distributed #
# under General Public License version 2.												      #
#																						      #
##																						     ##

# DEFINITION OF CWORKDIR AND IT'S SUBDIRECTORIES
export CWORKDIR="$(dirname ${PWD})"
export CCONFDIR="${CWORKDIR}/config.d"
export CDISTDIR="${CWORKDIR}/dist.d"
export CLOCALLG="${CWORKDIR}/local"
export CSYSROOT="${CWORKDIR}/sysroot"
export CREL="$(grep ^NAME /etc/*release | awk -F '=' '{ print $2 }')"

# PATH DEFINITION FOR THE SCRIPTS WHICH WILL AID THE PROCESS
export PATH=${PATH}:${CWORKDIR}/scripts/functions

source "${CWORKDIR}/scripts/functions/sinit_functions" || { echo -e "\e[31mMissing scripts\e[0m" && exit 1; }
source "${CWORKDIR}/scripts/functions/catalyst_functions" || { echo -e "\e[31mMissing scripts\e[0m" && exit 1; }
source "${CWORKDIR}/etc/gentoo.conf" || { echo -e "\e[31mMissing gentoo.conf\e[0m" && exit 1; }

# ROOT CHECK FUNCTION, IS NEEDED FOR THE CATALYST AND CHROOT PROCESS
amiroot() {
	if [[ "$1" != "0" ]]
	then
		echo "This operation requires root privileges"
		echo "Returning back..."
		sleep 2
		BACKTO="MM"
	fi
}

subterm_f() {
	echo -e "\e[33mCalling bash subshell\e[0m"
	sleep 0.5
	echo 'echo -e "\e[33mInside Subshell\e[0m"' >> /root/.bashrc
	echo 'echo -e "\e[33mExit to return back to parent\e[0m"' >> /root/.bashrc
	(clear; exec /bin/bash "${lppar[@]}";)
	sed -i "/Inside Subshell/d" "/root/.bashrc"
	sed -i "/Exit to return back to parent/d" "/root/.bashrc"
	echo -e "\e[33mYou are back to parent\e[0m"
}

# MENU FUNCTION
_call_menu() {
	echo "${@}"
	unset _PARENT
	unset _CHILD
	unset _STAY
	echo "$_PARENT"
	echo "$_CHILD"
	echo "$_STAY"
	while true; do
		clear; men_opt "$1"
		eval "$4" #"${@:5}"

		if [[ "${_PARENT}" ]]; then
			BACKTO="$2"
			break
		elif [[ "${_CHILD}" ]]; then
			BACKTO="${_CHILD}"
			break
		elif [[ "${_STAY}" ]]; then
			BACKTO="$3"
			break
		fi
	done
	unset SELCT
}

# MAIN LOOP FUNCTION
mainlp_f() {
BACKTO="$1"
while true; do
	case "${BACKTO:-Q}" in
		MM 		)
			# PULLS MAIN MENU FUNCTION
			_call_menu "1" "Q" "MM" "main_f" "${lppar[@]}";;
		DOC 	)
			# PULLS DOCUMENTATION MENU FUNCTION
			_call_menu "2" "MM" "DOC" "doc_f";;
		AB 		)
			# PULLS ABOUT MENU FUNCTION
			_call_menu "3" "MM" "DOC" "about_f";;
		PORT_M 	)
			# PULLS PORTAGE SUBMENU FUNCTION
			_call_menu "7" "SM" "PORT_M" "portage_men_f" "${lppar[@]}";;
		CATA_M 	)
			_call_menu "10" "SM" "CATA_M" "catalyst_f" "${lppar[@]}";;
		SM 		)
			# PULLS BUILD SYSTEM SUBMENU: THIS IS A SUBMENU OF BULDERS MENU
			_call_menu "6" "BSM" "SM" "bs_f" "${lppar[@]}";;
		BSM 	)
			# PULLS BUILDER MENU
			_call_menu "5" "MM" "BSM" "bs_menu_f" "${lppar[@]}";;
		CO_F 	)
			# PULLS CONFIGURATION SUBMENU: SUBMENU OF BUILDERS MENU
			_call_menu "8" "BSM" "CO_F" "config_f" "${lppar[@]}";;
		SELDEF 	)
			# PULLS SELECT DEFAULT SYSTEM SUBMENU: SUBMENU OF BUILDERS MENU
			_call_menu "9" "BSM" "SELDEF" "selectdef_f" "${lppar[@]}";;
		GSET 	)
			# PULL GSE TOOLS SUBMENU
			_call_menu "11" "MM" "GSET" "gse_t" "${lppar[@]}";;
		CONTR 	)
			_call_menu '' "MM" "CONTR" "controller_f" "${lppar[@]}";;
		Q 		)
			# EXIT
			sleep 1
			break;;
	esac
done
}

if echo "$@" | grep -q '\--conf'; then	
	if [[ "$#" != 1 ]]; then
		die "--conf argument has been detected"
	fi

	if [[ "$1" != *'='* || "${1#*=}" == '' ]]; then
		die "No target file was given"
	fi

	if [[ ! -e "${1#*=}" ]]; then
		die "No such file or directory"
	fi

	if [[ -d "${1#*=}" ]]; then
		die "Target is a directory, aborting"
	fi

	if _ct_conf; then
		_make_cimage
	else
		die "Exporting arguments from the configuration file has failed"
	fi
elif echo "$@" | grep -q '\--build-controller'; then
	if _controller_args "${@:2}"; then
		_make_cimage "${@:2}"
	else
		die "Given controller arguments could not be exported"
	fi
else
	if echo "$@" | grep -q '\--time-warp' && [[ "$#" != 1 ]]; then
		die "Error: Time Warp must be the only entry"
	fi

	if echo "$@" | grep -q '\--edit' && [[ "$#" != 2 ]]; then
		die "Error: Edit must be the only entry"
	fi

	lppar=()
	for i in "$@"; do
		lppar+=("$i")
	done

	if [[ -z "$@" ]] || echo "$@" | grep -q '\-mm'; then
		mainlp_f "MM" "${lppar[@]}" && unset BACKTO && exit 0
	else
		warp "$@"
	fi
fi