#!/bin/bash

if echo "${_flag_tty}" | grep -q 'sshd'; then
	LC_COLLATE="C"
	LC_ALL="en_US.UTF-8"
	LC_CTYPE="en_US.UTF-8"
fi

if [[ -z "${_flag_base}" ]]; then
	_e_report_back "You must choose a base if your run gse without main menu. Aborting..."
	_e_report_back "See man 1 gse for base options."
	die "Aborting actions..."
fi

# ENVIROMENTAL ECHO FOR TESTING
echo "$@"

# STAGE A
clear
echo "============================================================================"
echo -e "\e[35m 			   PART:A Fundamentals\e[0m"
echo "============================================================================"
echo -e "[\e[32m*\e[0m] \e[34mInitializing\e[0m"
# ALL ESSENTIAL VARIABLES FOR THE DOWNLOAD AND AUTHENTICATION PROCESS
source "${CWORKDIR}/etc/gentoo.conf" >/dev/null 2>&1 \
&& echo -e "[\e[32m*\e[0m] \e[35mExporting variables\e[0m" \
|| { echo -e "[\e[31m*\e[0m] \e[35mExporting variables\e[0m"; echo -e "\e[31mAborting\e[0m..."; sleep 2; return 1; }

# CHECK POSITIONAL PARAMETERS
inspector "$@"

# PART A FUNDAMENTALS
_part_a() {
	# CHECK IF THERE IS ANY WORK DONE
	if [[ "$(awk -F '=' '/CHECK/{ print $2 }' < "${CLOCALLG}/sinprog")" == 1 ]]; then
		if echo "${_flag_base}" | grep -q 'catalyst'; then
			_start_again "${CDISTDIR}/workdir-catalyst" "$@"
		elif echo "${_flag_base}" | grep -q 'precomp'; then
			_start_again "${CDISTDIR}/workdir-precomp" "$@"
		fi
	elif echo "$@" | grep -q 'force'; then
		if echo "${_flag_base}" | grep -q 'catalyst'; then
			_start_again "${CDISTDIR}/workdir-catalyst" "$@" "force"
		elif echo "${_flag_base}" | grep -q 'precomp'; then
			_start_again "${CDISTDIR}/workdir-precomp" "$@" "force"
		fi		
	fi

	# CALL CATALYST BUILD OR PRECOMPILED BUILD
	case "${_flag_base}" in
		catalyst 		)
			echo "$@"
			# PART NETWORK SEED
			_do_hs '\-gseed' "before" "seed part"
			_seed_net() {
				if [[ $(echo "${_flag_network}") == 0 ]]; then
					if _call_hook_points 'SEED' 'gseed' 'Part: Fetch tarball' "_fetch_new" "$@"; then
						sinit_flow_monitor "SEED"
					else
						die "Fetching tarball FAILED"
					fi
				elif [[ ! -e "${CDISTDIR}/dists/stage3-${ARCH}-latest.tar.bz2" ]]; then
					die "No local tarball is present. Please enable network connection and try again"
				elif [[ -e "${CDISTDIR}/dists/stage3-${ARCH}-latest.tar.bz2" ]]; then
					_e_report_back "Stage3 tarball located"
					_e_report_back "Calling catalyst"
				fi
			}
			_seed_net "$@"
			_do_hs '\+gseed' "after" "seed part"

			# PART CATALYST
			_do_hs '\-gcat' "before" "catalyst part"
			if _call_hook_points 'CATALYST' 'gcat' 'Part: Catalyst' "_callying_catalyst" "$@"; then
				sinit_flow_monitor "CATALYST"
			else
				die "Part: Catalyst FAILED"
			fi
			_do_hs '\+gcat' "after" "Catalyst"

			# PART CATALYST STAGE3 AND PORTAGE SNAPSHOT EXTRACTION
			_do_hs '\-gextr' "before" "Catalyst Extraction"
			if _call_hook_points 'EXTRACTION' 'gextr' 'Part: Catalyst Extraction' "_extracting_catalyst" "$@"; then
				sinit_flow_monitor "EXTRACTION"
			else
				die "Part: Catalyst Extraction FAILED"
			fi
			_do_hs '\+gextr' "after" "Catalyst Extraction"

			unset CATDIR
			unset TARGETNAME
			unset TARGETPATH
			unset TARGETSTAMP
			;;

		precomp 		)
			
			# PART NETWORK SEED
			_do_hs '\-gseed' "before" "seed part"
			_seed_net() {
				if [[ $(echo "${_flag_network}") == 0 ]]; then
					if _call_hook_points 'SEED' 'gseed' 'Part: Fetch tarball' "_fetch_new" "$@"; then
						sinit_flow_monitor "SEED"
					else
						die "Fetching tarball FAILED"
					fi
				elif [[ ! -e "${CDISTDIR}/dists/stage3-${ARCH}-latest.tar.bz2" ]]; then
					die "No local tarball is present. Please enable network connection and try again"
				elif [[ -e "${CDISTDIR}/dists/stage3-${ARCH}-latest.tar.bz2" ]]; then
					_e_report_back "Stage3 tarball located"
					_e_report_back "Calling catalyst"
				fi
			}
			_seed_net "$@"
			_do_hs '\+gseed' "after" "seed part"

			# PART PRECOMP STAGE3 EXTRACTION
			_prec_workdir_function() {
				_workdir_check "$1" "$2" "${@:3}" || die
			}

			_do_hs '\-gprec' "before" "Precomp extraction"
			if _call_hook_points 'PRECOMP' 'gprec' 'Part: prec' "_prec_workdir_function" "${CDISTDIR}/dists/stage3-${ARCH}-latest.tar.bz2" "${CDISTDIR}/workdir-precomp" "$@"; then
				sinit_flow_monitor "PRECOMP"
			else
				die "Part: Precomp FAILED"
			fi
			_do_hs '\+gprec' "after" "Precomp extraction"
			;;
	esac
}

# PART A BEGINS
_do_hs '\-gparta' "before" "Part: A"
if _call_hook_points 'PARTA' "gparta" 'Part: A' "_part_a" "$@"; then
	sinit_flow_monitor "PARTA"
else
	die "Part: A FAILED"
fi
_do_hs '\+gparta' "after" "Part: A"

# EXPORT WORKDIR
case "${_flag_base}" in
	catalyst 	)
		BWORKDIR="${CDISTDIR}/workdir-catalyst";;
	precomp 	)
		BWORKDIR="${CDISTDIR}/workdir-precomp";;
esac

# PART B FUNCTION
_part_b() {

	echo "============================================================================"
	echo -e "\e[35m		PART: B Preparing to enter the new system\e[0m"
	echo "============================================================================"

	if _am_i_root "$UID"; then
		echo -e "[\e[32m*\e[0m] Requesting root privileges"
	else
		die "Requesting root privileges"
	fi

	if _prepare_chroot "$@"; then
		_do_hs '\-gclean' "before" "clean part"
				
		_clean_target "$@" || die

		_do_hs '\+gclean' "after" "clean part"
	else
		die "Cleaning failed"
	fi
}

# PART B BEGINS
_do_hs '\-gpartb' "before" "Part: B"
if _call_hook_points 'PARTB' "gpartb" 'Part: B' "_part_b" "${BWORKDIR}" "$@"; then
	sinit_flow_monitor "PARTB"
else
	die "Part: B FAILED"
fi
_do_hs '\+gpartb' "after" "Part: B"

if echo "${_flag_base}" | grep -q 'catalyst'; then
	_archive_ "${BWORKDIR}" "catalyst"
elif echo "${_flag_base}" | grep -q 'precomp'; then 
	_archive_ "${BWORKDIR}" "precomp"
fi

exit 1

gpg --armor --export email > "${FINALDIST}/key.asc" # THIS WILL BE ADDED TO THE HOSTS
gpg --detach-sign -o "${GSE_VER}".gpg "${FINALDIST}/${IMAGE}"
#rm -rf "$1/sinit.d"
unset CATDIR
unset TARGETPATH
unset TARGETSTAMP