#!/bin/bash -xe

#
#  JoeyLib
#  Copyright (C) 2018-2021 Scott Duensing <scott@kangaroopunch.com>
#
#  This software is provided 'as-is', without any express or implied
#  warranty.  In no event will the authors be held liable for any damages
#  arising from the use of this software.
#
#  Permission is granted to anyone to use this software for any purpose,
#  including commercial applications, and to alter it and redistribute it
#  freely, subject to the following restrictions:
#
#  1. The origin of this software must not be misrepresented; you must not
#     claim that you wrote the original software. If you use this software
#     in a product, an acknowledgment in the product documentation would be
#     appreciated but is not required.
#  2. Altered source versions must be plainly marked as such, and must not be
#     misrepresented as being the original software.
#  3. This notice may not be removed or altered from any source distribution.
#


SRC=${HOME}/joeylib/joeylib/src
IIGS=${HOME}/cross/gsos-wdc-orca
SDL2_OLD=25f9ed87ff6947d9576fc9d79dee0784e638ac58
SDL2_NEW=97a5e744497ff7cc93edc5119d67cad3ee86dd57
OLD_PATH=${PATH}

export GOLDEN_GATE=${IIGS}/ORCA


function buildIIgsSDK() {
	local GGATE=$1
	local ORCA=$2
	local PUBLIC=$3
	local PRIVATE=$4
	local GGUSER=$5
	local GGPASS=$6
	local RESULT=
	local O=

        mkdir -p "${IIGS}/ORCA"
        chmod 777 "${IIGS}/ORCA"

	mkdir -p ~/.ssh
	cp -f "${PUBLIC}" ~/.ssh/id_rsa.pub
	cp -f "${PRIVATE}" ~/.ssh/id_rsa
	touch ${HOME}/.ssh/authorized_keys
	touch ${HOME}/.ssh/config
	chmod go-w ${HOME}
	chmod 700 ${HOME}/.ssh
	chmod 600 ${HOME}/.ssh/*id_rsa
	chmod 644 ${HOME}/.ssh/*.pub
	chmod 644 ${HOME}/.ssh/authorized_keys
	chmod 644 ${HOME}/.ssh/config

	if [[ ! -e "${IIGS}/jfsDrive.img" ]]; then
		O=${IIGS}/mountORCA.sh
		echo "#!/bin/bash" > "${O}"
		echo "IIGS=${IIGS}" >> "${O}"
		echo "if ! mount | grep \${IIGS}/ORCA | grep -q jfs; then" >> "${O}"
		echo -e "\tfsck.jfs -a \${IIGS}/jfsDrive.img" >> "${O}"
		echo -e "\tsudo mount -t jfs \${IIGS}/jfsDrive.img \${IIGS}/ORCA" >> "${O}"
		echo -e "\techo MOUNT=\${IIGS}/ORCA >> \${IIGS}/lastMount.cfg" >> "${O}"
		echo "fi" >> "${O}"
		chmod +x "${O}"
		O=${IIGS}/unmountORCA.sh
		echo "#!/bin/bash" > "${O}"
		echo "IIGS=${IIGS}" >> "${O}"
		echo "if [[ -e \${IIGS}/lastMount.cfg ]]; then" >> "${O}"
		echo -e "\tsource \${IIGS}/lastMount.cfg" >> "${O}"
		echo -e "\tsudo umount \${MOUNT}" >> "${O}"
		echo -e "\trm \${IIGS}/lastMount.cfg" >> "${O}"
		echo "fi" >> "${O}"
		chmod +x "${O}"
		fallocate -l 32M "${IIGS}/jfsDrive.img"
		mkfs.jfs -O -q -L IIgs "${IIGS}/jfsDrive.img"
	fi

        "${IIGS}/mountORCA.sh"
        sudo chown $(id -ru):$(id -rg) "${IIGS}/ORCA/."

	if [[ ! -d GoldenGate ]]; then
		ssh-keygen -F gitlab.com || ssh-keyscan gitlab.com > ~/.ssh/known_hosts
		git config --global credential.helper cache
		git clone https://${GGUSER}:${GGPASS}@gitlab.com/GoldenGate/GoldenGate.git	
	fi
	
	pushd GoldenGate
		git submodule init
		git submodule update
		mkdir -p build
		cd build
		cmake -DCMAKE_INSTALL_PREFIX=$(pwd)/installed ..
		make
		make install
		mkdir -p ${IIGS}
		cp -f bin/{iix,dumpobj,opus-extractor} "${IIGS}/."
		cd installed
		msiextract "${HOME}/${GGATE}"
		find -name ".*" -delete
		cp -rf GoldenGate/* "${IIGS}/ORCA/."
	popd

	isoinfo -i "${ORCA}" -x /FOR_EMUL/BYTEWORK.S\;1 > BYTEWORKS
	"${IIGS}/opus-extractor" -v BYTEWORKS "${IIGS}/ORCA"
	rm BYTEWORKS

	fetchGitHubRelease RESULT byteworksinc ORCA-C 2mg
	"${IIGS}/opus-extractor" -v -s / ${RESULT} "${IIGS}/ORCA"

	export PATH=${OLD_PATH}:${IIGS}
	pushd ${GOLDEN_GATE}
		for O in etc/*                      ; do iix chtyp -t txt "${O}" ; done
		for O in lib/*                      ; do if [ -f "${O}" ] ; then iix chtyp -t lib "${O}" ; fi ; done
		for O in usr/lib/lib*               ; do iix chtyp -t lib "${O}" ; done
		for O in usr/lib/tmac/*             ; do iix chtyp -t txt "${O}" ; done
		for O in bin/*                      ; do iix chtyp -t exe "${O}" ; done
		for O in usr/bin/*                  ; do iix chtyp -t exe "${O}" ; done
		for O in usr/local/bin/*            ; do iix chtyp -t exe "${O}" ; done
		for O in Languages/*                ; do if [ -f "${O}" ] ; then iix chtyp -t exe "${O}"            ; fi ; done ;
		for O in Utilities/Help/*           ; do if [ -f "${O}" ] ; then iix chtyp -t txt "${O}"            ; fi ; done ;
		for O in Utilities/*                ; do if [ -f "${O}" ] ; then iix chtyp -t exe "${O}"            ; fi ; done ;
		for O in Libraries/*                ; do if [ -f "${O}" ] ; then iix chtyp -t lib "${O}"            ; fi ; done ;
		for O in Libraries/AInclude/*       ; do if [ -f "${O}" ] ; then iix chtyp -t txt "${O}"            ; fi ; done ;
		for O in Libraries/APWCInclude/*    ; do if [ -f "${O}" ] ; then iix chtyp -t txt "${O}"            ; fi ; done ;
		for O in Libraries/AppleUtil/*      ; do if [ -f "${O}" ] ; then iix chtyp -t txt "${O}"            ; fi ; done ;
		for O in Libraries/ORCACDefs/*      ; do if [ -f "${O}" ] ; then iix chtyp -l cc "${O}"             ; fi ; done ;
		for O in Libraries/ORCAInclude/*    ; do if [ -f "${O}" ] ; then iix chtyp -l asm "${O}"            ; fi ; done ;
		for O in Libraries/RInclude/*       ; do if [ -f "${O}" ] ; then iix chtyp -l rez "${O}"            ; fi ; done ;
		for O in Libraries/Tool.Interface/* ; do if [ -f "${O}" ] ; then iix chtyp -l pascal "${O}"         ; fi ; done ;
		for O in Libraries/GSoftDefs/*      ; do if [ -f "${O}" ] ; then iix chtyp -t 0x5e -a 0x8007 "${O}" ; fi ; done ;
		for O in Libraries/ORCAPascalDefs/* ; do if [ -f "${O}" ] ; then iix chtyp -t 0x5e -a 0x8009 "${O}" ; fi ; done ;
		for O in Libraries/m2defs/*         ; do if [ -f "${O}" ] ; then iix chtyp -t 0x5e -a 0x8006 "${O}" ; fi ; done ;
	popd
	export PATH=${OLD_PATH}

	if [[ ! -d cadius ]]; then
		git clone https://skunkworks.kangaroopunch.com/mirrors/cadius.git
		pushd cadius
			make
			mkdir -p "${IIGS}/cadius"
			cp -f bin/release/cadius "${IIGS}/cadius/."
		popd
	fi

	if [[ ! -e "${IIGS}/ntpconverter/ntpconverter.php" ]]; then
		download http://www.ninjaforce.com/downloads/ntconverter.zip
		unzip ntconverter.zip
		mkdir -p "${IIGS}/ntpconverter"
		cp -f ntconverter.php "${IIGS}/ntpconverter/ntpconverter.php"
	fi

	if [[ ! -e "${IIGS}/Tool222#ba0000" ]]; then
		download http://www.ninjaforce.com/downloads/ninjatrackerplus_tool222_v1.4.2mg
		"${IIGS}/cadius/cadius" extractfile ninjatrackerplus_tool222_v1.4.2mg NTP.TOOL222V1.4/SYSTEM/TOOLS/TOOL222 .
		cp -f "TOOL222#BA0000" "${IIGS}/Tool222#ba0000"
	fi

	"${IIGS}/unmountORCA.sh"

	if [[ ! -e "${IIGS}/jfsDrive.img.backup.tar.bz2" ]]; then
		tar cjf "${IIGS}/jfsDrive.img.backup.tar.bz2" "${IIGS}/jfsDrive.img"
	fi
}


function buildJoeyLib() {
	OLD_CFLAGS=${CFLAGS}
	
	if [[ ! -d joeylib ]]; then
		git clone https://skunkworks.kangaroopunch.com/skunkworks/joeylib.git
	fi
	
	rm -rf dist/${NAME}-${ARCH} && true
	mkdir -p dist/${NAME}-${ARCH}
	
	pushd dist/${NAME}-${ARCH}
		case ${BACKEND} in
			orca)
				local OUT=${GOLDEN_GATE}/out/joey
				rm -rf ${OUT} && true
				mkdir -p ${OUT}/out/joey
				pushd ${SRC}
					iix assemble jIIgs.asm keep=31:/out/joey/jIIgsasm
					iix compile jIIgs.c keep=31:/out/joey/jIIgsc
					iix compile joey.c keep=31:/out/joey/joey
				popd
				cp -f "${OUT}/jIIgsc.root" "jIIgsc.root#b10000"
				cp -f "${OUT}/jIIgsc.a" "jIIgsc.a#b10000"
				cp -f "${OUT}/jIIgsasm.root" "jIIgsasm.root#b10000"
				cp -f "${OUT}/jIIgsasm.a" "jIIgsasm.a#b10000"
				cp -f "${OUT}/joey.a" "joey.a#b10000"
				cp -f "${IIGS}/Tool222#ba0000" .
				;;
				
			SDL2)
				export CFLAGS="${CFLAGS} -Wall -D_REENTRANT_ -I${SRC} -I${INSTALLED}/include -c"
				${CC} ${CFLAGS} -o jPixBuf.o ${SRC}/jPixBuf.c
				${CC} ${CFLAGS} -o jSDL2.o ${SRC}/jSDL2.c
				${CC} ${CFLAGS} -o joey.o ${SRC}/joey.c
				${AR} x ${INSTALLED}/lib/libSDL2.a
				${AR} x ${INSTALLED}/lib/libSDL2main.a
				${AR} rcs libjoeylib.a *.o
				rm *.o
				rm __.SYMDEF* && true
				;;
				
		esac

		cp -f ${SRC}/joey.h ../.
	popd
	
	export CFLAGS=${OLD_CFLAGS}
}


function buildMacOSSDK() {
	local SDK=$1
	local NAME=$2

	if [[ ! -d osxcross ]]; then
		git clone https://skunkworks.kangaroopunch.com/mirrors/osxcross.git
	fi
	
	pushd osxcross
		cp -f ../"${SDK}" tarballs/.
		UNATTENDED=1 ./build.sh
		sudo ENABLE_COMPILER_RT_INSTALL=1 ./build_compiler_rt.sh
		mkdir -p ../cross/${NAME}
		mv -f target/* ../cross/${NAME}
		sudo mv -f /usr/lib/llvm-10/lib/clang/10.0.0/lib/darwin ../cross/${NAME}/.
		./cleanup.sh
	popd
}


function buildSDL2() {
	local TAG=$1
	
	if [[ ! -d SDL ]]; then
		git clone https://skunkworks.kangaroopunch.com/mirrors/SDL.git
	fi
	
	pushd SDL
		git checkout ${TAG}
	popd
	
	clearBuild

	pushd build
		../SDL/configure \
			--target=${TRIPLE} \
			--host=${TRIPLE} \
			--build=x86_64-linux \
			--enable-static \
			--disable-shared \
			--disable-video-wayland \
			--disable-render-metal \
			--disable-video-metal \
			--prefix=${INSTALLED}
		make
		make install
	popd
}


function clearBuild() {
	rm -rf build && true
	mkdir -p build
}


function configureSFTP() {
	sudo addgroup sftponly && true
	echo "Match Group sftponly" | sudo tee /etc/ssh/sshd_config.d/sftponly.conf
	echo -e "\tChrootDirectory %h" | sudo tee -a /etc/ssh/sshd_config.d/sftponly.conf
        echo -e "\tForceCommand internal-sftp" | sudo tee -a /etc/ssh/sshd_config.d/sftponly.conf
        echo -e "\tAllowTcpForwarding no" | sudo tee -a /etc/ssh/sshd_config.d/sftponly.conf
        echo -e "\tX11Forwarding no" | sudo tee -a /etc/ssh/sshd_config.d/sftponly.conf
	sudo systemctl restart sshd
	# Read for user creation:  https://askubuntu.com/questions/134425/how-can-i-chroot-sftp-only-ssh-users-into-their-homes
}


function download() {
	local URL=$1
	local FILE=

	trim FILE "$2"

	if [[ -z ${FILE} ]]; then
		FILE=${URL##*/}
	fi

	if [[ -e "${FILE}" ]]; then
		rm -f "${FILE}"
	fi

	wget -O "${FILE}" ${URL}
}


function fetchGitHubRelease() {
	local __RESULT=$1
	local DEVELOPER=$2
	local COMPONENT=$3
	local EXTENSION=$4
	local URL=$(curl -s https://api.github.com/repos/${DEVELOPER}/${COMPONENT}/releases \
		| grep "browser_download_url.*${EXTENSION}" \
		| cut -d : -f 2,3 \
		| tr -d \" \
		| head -n 1)
	local FILE=${URL##*/}
	download ${URL}
	eval $__RESULT=\${FILE}
}


function setCompiler() {
	local OS=$1
	local CPU=$2
	
	case ${OS} in
		gsos)
			case ${CPU} in
				816)
					NAME="gsos-wdc"
					ARCH=816
					;;
			
			esac
			BACKEND=orca
			export PATH=${OLD_PATH}:${IIGS}
			"${IIGS}/mountORCA.sh"
			;;
			
		linux)
			case ${CPU} in
				i386)
					NAME="linux-intel"
					ARCH=i386
					TRIPLE="x86_64-linux-gnu"
					export CFLAGS="-m32"
					;;
					
				x86_64)
					NAME="linux-intel"
					ARCH=x86_64
					TRIPLE="${ARCH}-linux-gnu"
					export CFLAGS=
					;;
					
			esac
			BACKEND=SDL2
			export PATH=${OLD_PATH}
			export LD_LIBRARY_PATH=
			export CC=${TRIPLE}-gcc
			export AR=${TRIPLE}-ar
			;;
			
		macos)
			case ${CPU} in
				i386)
					NAME="macos-intel"
					ARCH=i386
					TRIPLE="${ARCH}-apple-darwin17"
					;;
					
				x86_64)
					NAME="macos-intel"
					ARCH=x86_64
					TRIPLE="${ARCH}-apple-darwin17"
					;;
					
				arm)
					NAME="macos-apple"
					ARCH=aarch64
					TRIPLE="${ARCH}-apple-darwin20.4"
					;;
					
			esac
			BACKEND=SDL2
			export CFLAGS=
			export PATH=${HOME}/cross/${NAME}/bin:${OLD_PATH}
			export LD_LIBRARY_PATH=${HOME}/cross/${NAME}/lib
			export CC=${TRIPLE}-clang
			export AR=${TRIPLE}-ar
			sudo rm -f /usr/lib/llvm-10/lib/clang/10.0.0/lib/darwin && true
			sudo ln -s ${HOME}/cross/${NAME}/darwin /usr/lib/llvm-10/lib/clang/10.0.0/lib/.
			;;
			
		windows)
			case ${CPU} in
				i386)
					NAME="windows-intel"
					ARCH=i686
					TRIPLE="${ARCH}-w64-mingw32"
					;;
					
				x86_64)
					NAME="windows-intel"
					ARCH=x86_64
					TRIPLE="${ARCH}-w64-mingw32"
					;;
					
			esac
			BACKEND=SDL2
			export PATH=${OLD_PATH}
			export LD_LIBRARY_PATH=
			export CFLAGS="-static-libgcc"
			export CC=${TRIPLE}-gcc
			export AR=${TRIPLE}-ar
			;;
			
	esac
	
	INSTALLED=${HOME}/installed/${NAME}-${ARCH}			
	mkdir -p ${INSTALLED}	
}


function scriptIsDownloaded() {
	local GGUSER=$1
	local GGPASS=$2

#	updateSystem
#	configureSFTP

#	buildIIgsSDK "Golden Gate.msi" "Opus ][ The Software.iso" id_rsa id_rsa.pub "${GGUSER}" "${GGPASS}"
#	buildMacOSSDK MacOSX10.13.sdk.tar.xz macos-intel
#	buildMacOSSDK MacOSX11.3.sdk.tar.xz macos-apple

	setCompiler gsos 816
	buildJoeyLib

#	setCompiler linux i386
#	buildSDL2 ${SDL2_NEW}
#	buildJoeyLib

#	setCompiler linux x86_64
#	buildSDL2 ${SDL2_NEW}
#	buildJoeyLib

#	setCompiler macos i386
#	buildSDL2 ${SDL2_OLD}
#	buildJoeyLib

#	setCompiler macos x86_64
#	buildSDL2 ${SDL2_OLD}
#	buildJoeyLib

#	setCompiler macos arm
#	buildSDL2 ${SDL2_NEW}
#	buildJoeyLib

#	setCompiler windows i386
#	buildSDL2 ${SDL2_NEW}
#	buildJoeyLib

#	setCompiler windows x86_64
#	buildSDL2 ${SDL2_NEW}
#	buildJoeyLib
}


function trim() {
	local __RESULT=$1
	local __VAR="${*:2}"

	# remove leading whitespace characters
	__VAR="${__VAR#"${__VAR%%[![:space:]]*}"}"
	# remove trailing whitespace characters
	__VAR="${__VAR%"${__VAR##*[![:space:]]}"}"

	eval $__RESULT=\${__VAR}
}


function updateSystem() {
	sudo apt update
	sudo apt -y upgrade
	sudo apt -y dist-upgrade
	sudo dpkg --add-architecture i386
	sudo apt -y install \
		autoconf \
		build-essential \
		bzip2 \
		clang \
		cmake \
		cpio \
		gcc-multilib \
		gzip \
		libbz2-dev \
		liblzma-dev \
		libssl-dev \
		libxml2-dev \
		llvm \
		mingw-w64 \
		patch \
		php-cli \
		sed \
		uuid-dev \
		xz-utils \
		zlib1g-dev
	# ORCA / GoldenGate Stuff
	sudo apt -y install \
		genisoimage \
		jfsutils \
		msitools \
		ragel
}


scriptIsDownloaded "$1" "$2"