#! /bin/bash
# vim: set tabstop=4 shiftwidth=4 noexpandtab filetype=sh:

# install_emulators - temporary script for emulators from ivan.sh
#
# To the extent possible under law, T. Joseph Carter and Ivan Drucker have
# waived all copyright and related or neighboring rights to the a2cloud
# scripts themselves.  Software used or installed by these scripts is subject
# to other licenses.  This work is published from the United States.

a2cBinaryURL="http://blocksfree.com/downloads"

# Find the path of our source directory
a2cSource="$( dirname "${BASH_SOURCE[0]}" )/.."
pushd $a2cSource >/dev/null
a2cSource="$PWD"
popd >/dev/null
if [[ ! -f "$a2cSource/.a2cloud_source" ]]; then
	printf "\na2cloud: cannot find a2cloud source directory in $a2cSource.\n\n"
	exit 1
fi

# Make sure ras2_{os,arch} get set
. "$a2cSource/scripts/system_ident" -q

install_gsport() {
	### Emulators: GSport
	if ! hash gsport 2> /dev/null || ! hash gsportx 2> /dev/null || ! hash gsportfb 2> /dev/null; then
		# FIXME: This is a _TERRIBLE_ name/place for this...
		gsportConfigFile='/usr/local/lib/config.txt'

		echo "A2CLOUD: Installing GSport..."

		local gsportWork="$(mktemp -d /tmp/gsport.XXXXXXXXXXXX)"
		pushd "$gsportWork" >/dev/null
		if [[ ! $noPicoPkg ]]; then
			### Emulators: GSport: Install pre-built binaries
			sudo apt-get -y install libpcap0.8
			sudo apt-get -y clean
			wget "${a2cBinaryURL}/picopkg/gsport-${ras2_os}_${ras2_arch}.tgz"
			if [[ -f gsport-${ras2_os}_${ras2_arch}.tgz ]]; then
				sudo tar Pzxf gsport-${ras2_os}_${ras2_arch}.tgz
			fi
		fi
		if ! hash gsport 2> /dev/null || ! hash gsportx 2> /dev/null || ! hash gsportfb 2> /dev/null; then
			### Emulators: GSport: Install from source
			echo "A2CLOUD: Building GSport from source..."

			sudo apt-get -y install build-essential &> /dev/null
			sudo apt-get -y install libx11-dev libxext-dev xfonts-base libpcap0.8-dev
			sudo apt-get -y clean

			wget -O gsport.tar.gz http://downloads.sourceforge.net/project/gsport/GSport-0.31/gsport_0.31.tar.gz
			tar --strip-components=1 -zxf gsport.tar.gz
			cd src
			rm -f vars

			buildGSport=1
			cp vars_fbrpilinux vars_fb
			if [[ -n $isRpi ]]; then
				cp vars_pi vars_x
			else
				cp vars_x86linux vars_x
				case "$ras2_arch" in
					x86_64)
						sed -i 's/-march=i686/-march=x86-64/' vars_x
						sed -i 's/-march=armv6/-march=x86-64/' vars_fb
						;;
					i686)
						sed -i 's/-march=armv6/-march=i686/' vars_fb
						;;
					*)
						buildGSport=
						echo "A2CLOUD: cannot build GSport; unknown machine architecture."
						;;
				esac
			fi
			sed -i 's/^LDFLAGS =.*$/LDFLAGS = -ldl/' vars_x
			sed -i 's/^LDFLAGS =.*$/LDFLAGS = -ldl/' vars_fb
			if [[ -n $buildGSport ]]; then
				for varsFile in vars_x vars_fb; do
					rm -f vars
					cp $varsFile vars
					make clean
					make
					sudo install -o root -g root -m 755 ../gsport${varsFile:5:2} /usr/local/bin
				done
				gcc -o ../to_pro to_pro.c &> /dev/null
				gcc -o ../partls partls.c &> /dev/null
				sudo install -o root -g root -m 755 ../to_pro /usr/local/bin
				sudo install -o root -g root -m 755 ../partls /usr/local/bin
				sudo install -o root -g root -m 666 ../config.txt "$gsportConfigFile"
				cd "${gsportConfigFile%/*}"
				sudo ln -s "${gsportConfigFile##*/}" gsport_config.txt 2> /dev/null
			fi

			cd /tmp/a2cloud-install 2> /dev/null
			rm -rf gsport 2> /dev/null
		fi

		if [[ $slot6 ]]; then
			### Emulators: GSport: Place blank disk images in slot 6
			echo "A2CLOUD: Putting blank disks in GSport slot 6..."
			sudo sed -i 's@^s6d1.*$@s6d1 = /usr/local/share/gsdisks/slot6drive1.po@' "$gsportConfigFile"
			sudo sed -i 's@^s6d2.*$@s6d2 = /usr/local/share/gsdisks/slot6drive2.po@' "$gsportConfigFile"
			if [[ ! -f /usr/local/share/gsdisks/slot6drive1.po || ! -f /usr/local/share/gsdisks/slot6drive2.po ]]; then
				wget -qO- "${a2BinaryURL}/gsport/slot6.tgz" | sudo tar Pzx 2> /dev/null
			fi
		fi

		if ! grep -q '^g_appletalk_turbo' "$gsportConfigFile"; then
			### Emulators: GSport: Enable AppleTalk Turbo support
			if grep -q 'bram1[00]' "$gsportConfigFile"; then
				sudo sed -i 's/^\(bram1\[00\]\)/g_appletalk_turbo = 1\n\n\1/' "$gsportConfigFile"
			else
				echo -e '\ng_appletalk_turbo = 1' | sudo tee -a "$gsportConfigFile" > /dev/null
			fi
		fi
		sudo sed -i 's/^g_appletalk_turbo = 0/g_appletalk_turbo = 1/' "$gsportConfigFile"

		if ! grep -q 'g_ethernet[^_]' "$gsportConfigFile"; then
			### Emulators: GSport: Enable Uthernet emulation
			if grep -q 'bram1[00]' "$gsportConfigFile"; then
				sudo sed -i 's/^\(bram1\[00\]\)/g_ethernet = 1\n\n\1/' "$gsportConfigFile"
			else
				echo -e '\ng_ethernet = 1' | sudo tee -a "$gsportConfigFile" > /dev/null
			fi
		fi
		sudo sed -i 's/g_ethernet = 0/g_ethernet = 1/' "$gsportConfigFile"

		### Emulators: GSport: Setup groups and wrapper scripts
		echo "A2CLOUD: Updating GSport launch and setup files..."

		sudo addgroup gsport &> /dev/null
		sudo chgrp gsport /usr/local/bin/gsportfb
		sudo chmod u+s /usr/local/bin/gsportfb
		sudo chgrp gsport /usr/local/bin/gsportx
		sudo chmod u+s /usr/local/bin/gsportx

		sudo install -o root -g root -m 755 "$a2cSource/setup/gsport" /usr/local/bin/gsport
		sudo install -o root -g root -m 755 "$a2cSource/setup/gsport-setup" /usr/local/bin/gsport-setup

		popd >/dev/null
		rm -rf "$gsportWork"
	else
		echo "A2CLOUD: GSport is already installed."
	fi
}

install_linapple() {
	### Emulators: LinApple
	if ! hash linapple 2> /dev/null; then
		echo "A2CLOUD: Installing LinApple..."
		local linappleWork="$(mktemp -d /tmp/linapple.XXXXXXXXXXXX)"
		pushd "$linappleWork" >/dev/null
		if [[ ! $noPicoPkg ]]; then
			### Emulators: LinApple: Install pre-built binaries
			wget "${a2cBinaryURL}/picopkg/linapple-${ras2_os}_${ras2_arch}.tgz"
			if [[ -f linapple-${ras2_os}_${ras2_arch}.tgz ]]; then
				sudo tar Pzxf linapple-${ras2_os}_${ras2_arch}.tgz
			fi
		fi
		if ! hash linapple 2> /dev/null; then
			### Emulators: LinApple: Install from source
			echo "A2CLOUD: Building LinApple from source..."
			sudo apt-get -y install build-essential
			sudo apt-get -y install libsdl1.2-dev libcurl4-openssl-dev zlib1g-dev libzip-dev
			sudo apt-get -y clean
			wget -q -O linapple_src-2b.tar.bz2 http://downloads.sourceforge.net/project/linapple/linapple/linapple_2b/linapple_src-2b.tar.bz2
			tar jxf linapple_src-2b.tar.bz2
			cd linapple_src-2b/src
			make
			sudo make install
		fi
		popd >/dev/null
		rm -rf "$linappleWork"
	else
		echo "A2CLOUD: LinApple is already installed."
	fi
	echo "A2CLOUD: Updating LinApple launch file..."
	sudo install -o root -g root -m 755 "$a2cSource/setup/linapple" /usr/local/bin/linapple
}

install_desktop() {
	# FIXME: HACK HACK HACK! We're only messing with ~/Desktop in the least
	# because I'm not 100% sure that if we put things in the menu that you'll
	# get them.  Didn't used to be the case.  If that's changed, we should stop.
	mkdir -p ~/Desktop

	sudo mkdir -p /usr/local/share/applications

	# FIXME: Is there a reason we're running these in a lxterminal with Terminal=false
	if [[ -f /usr/local/bin/gsport ]]; then
		sudo tee /usr/local/share/applications/gsport.desktop > ~/Desktop/gsport.desktop <<-EOF
		[Desktop Entry]
		Name=GSport
		Comment=Apple IIgs Emulator
		Exec=lxterminal -e /usr/local/bin/gsport
		Icon=/usr/local/share/gsport32.ico
		Terminal=false
		Type=Application
		Categories=AppleII
		EOF
		if [[ ! -f /usr/local/share/gsport32.ico ]]; then
			sudo wget -O /usr/local/share/gsport32.ico https://raw.githubusercontent.com/david-schmidt/gsport/master/src/gsport32.ico
		fi
	fi
	# LinApple:
	if [[ -f /usr/local/bin/linapple ]]; then
		sudo tee /usr/local/share/applications/linapple.desktop > ~/Desktop/linapple.desktop <<-EOF
		[Desktop Entry]
		Name=LinApple
		Comment=Apple IIe Emulator
		Exec=lxterminal -e /usr/local/bin/linapple
		Icon=/usr/local/linapple/icon.bmp
		Terminal=false
		Type=Application
		Categories=AppleII
		EOF
	fi
}

noPicoPkg=
slot6=
while [[ $1 ]]; do
	case $1 in
		-c)
			noPicoPkg=1
			;;
		-6)
			slot6=1
			;;
		*)
			;;
	esac
done
install_gsport
install_linapple
install_user_desktop

### Emulators: Set Groups
sudo usermod -a -G audio,video,netdev,gsport,plugdev $USER &> /dev/null