#!/bin/bash -e


# --- COLLECT AND CHECK COMMAND LINE ARGUMENTS

usage() { 
	echo "Usage:  $0 [-o PathToORCA.iso] [-i PathForInstall]"
	exit 1
}

while getopts ":o:i:" OPT; do
	case ${OPT} in
		o )
			ORCA=${OPTARG}
			;;
		i )
			INSTALL=${OPTARG}
			;;
		\? )
			echo "Invalid option:  ${OPTARG}"
			usage
			;;
		: )
			echo "Invalid option:  ${OPTARG} requires an argument"
			usage
			;;
		* )
			usage
			;;
	esac
done
shift $((OPTIND -1))

if [ -z "${ORCA}" ] || [ -z "${INSTALL}" ]; then
	usage
fi

if [ -z "${ORCA}" ]; then
	echo "Must specify the location of the ORCA ISO."
	exit 1
fi

if [ ! -e "${ORCA}" ]; then
	echo "Unable to locate the ORCA ISO at \"${ORCA}\"."
	exit 1
fi

ORCA=`realpath "${ORCA}"`

if [ -z "${INSTALL}" ]; then
	echo "Must specify the location to install the JoeyLib SDK."
	exit 1
fi

INSTALL=`realpath "${INSTALL}"`

if [ -e "${INSTALL}" ]; then
	echo "The specified installation path, \"${INSTALL}\" already exists."
	exit 1
fi


# --- INSTALL NEEDED PACKAGES

getPackages() {
	sudo dpkg --add-architecture i386
	sudo apt-get update
	sudo apt-get -y install cmake ragel hfsplus hfsutils hfsprogs libreadline-dev libedit-dev
	sudo apt-get -y install build-essential git mercurial texinfo libtool autoconf automake 
	sudo apt-get -y install gcc-multilib g++-multilib mingw-w64 gdb-mingw-w64 clang llvm-dev libxml2-dev
	sudo apt-get -y install uuid-dev libssl-dev bash patch make tar xz-utils bzip2 gzip sed cpio
	sudo apt-get -y install libpulse-dev{,:i386} libasound-dev{,:i386}
	sudo apt-get -y install libsdl2-dev libsdl2-image-dev libsdl2-mixer-dev libfreetype6-dev libpcap0.8-dev
	sudo apt-get -y install php-cli
}


# --- INSTALL GOLDENGATE

installGoldenGate() {
	#git clone git@gitlab.com:GoldenGate/GoldenGate.git
	if [ ! -d GoldenGate ]; then
		echo "Unable to clone the GoldenGate repository!"
		echo "Must be a paying member of the GoldenGate project!"
		echo "See:  https://goldengate.gitlab.io/about/"
		exit 1
	fi
	pushd GoldenGate
	git submodule init
	git submodule update
	PREFIX=`pwd`/installed
	mkdir -p build
	cd build
	#cmake -DCMAKE_INSTALL_PREFIX=${PREFIX} .. | tee make.out
	#make | tee -a make.out
	if [ ! -e bin/iix ]; then
		echo "Failed to build GoldenGate."
		exit 1
	fi
	cp -f bin/{iix,dumpobj,opus-extractor} "${IIGS}/."
	popd
}


# --- INSTALL ORCA SUITE ON HFS VOLUME

updateOrca() {
	COMPONENT=$1
	URL=`curl -s https://api.github.com/repos/byteworksinc/${COMPONENT}/releases \
		| grep "browser_download_url.*2mg" \
		| cut -d : -f 2,3 \
		| tr -d \" \
		| head -n 1`
	FILE=${URL##*/}
	#wget ${URL}
	${IIGS}/opus-extractor -v -s / ${FILE} ${IIGS}/ORCA
}

installOrca() {
	O=${IIGS}/mountORCA.sh
	echo "#!/bin/bash" > "${O}"
	echo "IIX=${IIGS}" >> "${O}"
	echo "fsck.hfsplus \${IIX}/hfsDrive.img" >> "${O}"
	echo "IIGSDISK=\$(sudo losetup --partscan --find --show \${IIX}/hfsDrive.img)" >> "${O}"
	echo "sudo mount \${IIGSDISK} \${IIX}/ORCA" >> "${O}"
	echo "echo LOOP=\${IIGSDISK} > \${IIX}/lastMount.cfg" >> "${O}"
	echo "echo MOUNT=\${IIX}/ORCA >> \${IIX}/lastMount.cfg" >> "${O}"
	chmod +x ${O}
	O=${IIGS}/unmountORCA.sh
	echo "#!/bin/bash" > "${O}"
	echo "IIX=${IIGS}" >> "${O}"
	echo "source \${IIX}/lastMount.cfg" >> "${O}"
	echo "sudo umount \${MOUNT}" >> "${O}"
	echo "sudo losetup -d \${LOOP}" >> "${O}"
	echo "sudo rm \${IIX}/lastMount.cfg" >> "${O}"
	chmod +x ${O}
	fallocate -l 32M "${IIGS}/hfsDrive.img"
	mkfs.hfs -v IIgs "${IIGS}/hfsDrive.img"
	mkdir -p "${IIGS}/ORCA"
	${IIGS}/mountORCA.sh
	sudo chown -R `id -ru`:`id -rg` "${IIGS}/ORCA"
	isoinfo -i "${ORCA}" -x /FOR_EMUL/BYTEWORK.S\;1 > BYTEWORKS
	${IIGS}/opus-extractor -v BYTEWORKS ${IIGS}/ORCA
	updateOrca ORCA-C
	${IIGS}/unmountORCA.sh
}


# --- INSTALL GSPLUS

installGsPlus() {
	#git clone https://github.com/digarok/gsplus.git
	pushd gsplus/src
	ln -sf vars_x86linux_sdl2 vars
	#make
	if [ ! -e gsplus ]; then
		echo "Failed to build GSplus."
		exit 1
	fi
	mkdir -p "${IIGS}/gsplus"
	cp -f gsplus "${IIGS}/gsplus/."
	popd
	#wget http://www.whatisthe2gs.apple2.org.za/files/rom3.zip
	unzip rom3.zip
	mv -f APPLE2GS.ROM2 "${IIGS}/gsplus/ROM.03"
	#wget http://www.whatisthe2gs.apple2.org.za/files/harddrive_image.zip
	unzip harddrive_image.zip
	mv -f "System 6 and Free Games.hdv" "${IIGS}/gsplus/System601.po"
	echo "s7d1 = System601.po\n\ng_limit_speed = 0\n" > "${IIGS}/gsplus/config.txt"
}


# --- MAIN

mkdir -p installerWork
pushd installerWork

IIGS=${INSTALL}/sdks/IIgs

mkdir -p "${IIGS}"

#getPackages
installGoldenGate
installOrca
installGsPlus

popd