#!/bin/bash

if [ $# -ne 2 ]; then
	echo "Usage: ./compile_and_install_fruitcut <working-directory> <target-prefix>"
	echo 'Example: ./compile_and_install_fruitcut /tmp/fruitcut-work $HOME/local'
	exit -1
fi;

WORK_DIRECTORY="$1"
TARGET_DIRECTORY="$2"

function check_if_program_exists
{
	echo "Checking if \"$1\" is available..."
	if ! which $1 > /dev/null 2>&1; then
		echo "Oh no, seems like $1 isn't installed. Exiting."
		exit -1;
	fi;
	echo "Great, $1 is available!"
	echo ""
}

check_if_program_exists 'git'
check_if_program_exists 'cmake'

echo "Using git to clone the 5 repositories (this might take a while)"
echo ""

FCPPT_URL="git://github.com/freundlich/fcppt.git"
AWL_URL="git://github.com/pmiddend/libawl.git"
MIZUIRO_URL="git://github.com/freundlich/mizuiro.git"
SGE_URL="git://github.com/freundlich/spacegameengine.git"
FRUITCUT_URL="git://github.com/pmiddend/fruitcut.git"

BUILD_FCPPT="yes"
BUILD_AWL="yes"
BUILD_MIZUIRO="yes"
BUILD_SGE="yes"
BUILD_FRUITCUT="yes"

function download_from_git
{
	echo "Cloning $1 from $2"
	if ! git clone $2 "$WORK_DIRECTORY/$1"; then
		echo "Clone of $1 failed, exiting..."
		exit -1
	fi;
	echo "Cloning succeeded...";
	echo ""
}

function complain
{
	echo "Crap, $1, please inspect the output _carefully_ and then visit #fruitcut at irc.freenode.org and immediately complain about that!"
	exit -1;
}

download_from_git 'fcppt' $FCPPT_URL
download_from_git 'awl' $AWL_URL
download_from_git 'mizuiro' $MIZUIRO_URL
download_from_git 'sge' $SGE_URL
download_from_git 'fruitcut' $FRUITCUT_URL

echo "All repositories cloned, switching to fcppt directory and configuring..."


if [ "$BUILD_FCPPT" = "yes" ]; then
	echo "cd $WORK_DIRECTORY/fcppt"
	cd "$WORK_DIRECTORY/fcppt" || complain "couldn't switch to that directory"
	echo "Deleting build directory if one exists..."
	rm -rf build || complain "couldn't delete existing build directory"
	echo "mkdir build"
	mkdir build || complain "couldn't create a build directory"
	echo "cd build"
	cd build || complain "couldn't switch to that directory"
	echo "cmake -D CMAKE_INSTALL_PREFIX:=$TARGET_DIRECTORY .."
	cmake -D CMAKE_INSTALL_PREFIX:="$TARGET_DIRECTORY" .. || complain "cmake failed"
	make -j3 install || complain "make failed"

	echo "Ok, great, fcppt installation succeeded!"
	echo ""
fi;

if [ "$BUILD_AWL" = "yes" ]; then
	echo "Now, up to awl"

	echo "cd $WORK_DIRECTORY/awl"
	cd "$WORK_DIRECTORY/awl" || complain "couldn't switch to that directory"
	echo "Deleting build directory if one exists..."
	rm -rf build || complain "couldn't delete existing build directory"
	echo "mkdir build"
	mkdir build || complain "couldn't create a build directory"
	echo "cd build"
	cd build || complain "couldn't switch to that directory"
	echo "cmake"
	cmake\
		-D CMAKE_INSTALL_PREFIX:="$TARGET_DIRECTORY"\
		-D CMAKE_MODULE_PATH:="$TARGET_DIRECTORY/share/cmake/Modules"\
		.. || complain "cmake failed"
	make -j3 install || complain "make failed"

	echo "Ok, great, awl installation succeeded!"
	echo ""
fi;

if [ "$BUILD_MIZUIRO" = "yes" ]; then
	echo "Now, up to mizuiro"

	echo "cd $WORK_DIRECTORY/mizuiro"
	cd "$WORK_DIRECTORY/mizuiro" || complain "couldn't switch to that directory"
	echo "Deleting build directory if one exists..."
	rm -rf build || complain "couldn't delete existing build directory"
	echo "mkdir build"
	mkdir build || complain "couldn't create a build directory"
	echo "cd build"
	cd build || complain "couldn't switch to that directory"
	echo "cmake"
	cmake\
		-D CMAKE_INSTALL_PREFIX:="$TARGET_DIRECTORY"\
		-D CMAKE_MODULE_PATH:="$TARGET_DIRECTORY/share/cmake/Modules"\
		-D ENABLE_FCPPT:=ON\
		.. || complain "cmake failed"
	make -j3 install || complain "make failed"

	echo "Ok, great, mizuiro installation succeeded!"
	echo ""
fi;

if [ "$BUILD_SGE" = "yes" ]; then
	echo "Now, up to sge"

	echo "cd $WORK_DIRECTORY/sge"
	cd "$WORK_DIRECTORY/sge" || complain "couldn't switch to that directory"
	echo "Deleting build directory if one exists..."
	rm -rf build || complain "couldn't delete existing build directory"
	echo "mkdir build"
	mkdir build || complain "couldn't create a build directory"
	echo "cd build"
	cd build || complain "couldn't switch to that directory"
	echo "cmake"
	cmake\
		-D CMAKE_INSTALL_PREFIX:="$TARGET_DIRECTORY"\
		-D CMAKE_MODULE_PATH:="$TARGET_DIRECTORY/share/cmake/Modules"\
		.. || complain "cmake failed"
	make -j3 install || complain "make failed"

	echo "Ok, great, sge installation succeeded!"
	echo ""
fi;

if [ "$BUILD_FRUITCUT" = "yes" ]; then
	echo "Now, up to fruitcut"

	echo "cd $WORK_DIRECTORY/fruitcut"
	cd "$WORK_DIRECTORY/fruitcut" || complain "couldn't switch to that directory"
	echo "Deleting build directory if one exists..."
	rm -rf build || complain "couldn't delete existing build directory"
	echo "mkdir build"
	mkdir build || complain "couldn't create a build directory"
	echo "cd build"
	cd build || complain "couldn't switch to that directory"
	echo "cmake"
	cmake\
		-D CMAKE_INSTALL_PREFIX:="$TARGET_DIRECTORY"\
		-D CMAKE_MODULE_PATH:="$TARGET_DIRECTORY/share/cmake/Modules"\
		.. || complain "cmake failed"
	make -j3 install || complain "make failed"

	echo "Ok, great, fruitcut installation succeeded!"
	echo ""
fi;

echo "Ok, compilation done, writing run file"

RUN_FILE_NAME="$TARGET_DIRECTORY/bin/run_fruitcut"

echo "#!/bin/bash" >> $RUN_FILE_NAME
echo "export LD_LIBRARY_PATH=\"${TARGET_DIRECTORY}/lib\"" >> $RUN_FILE_NAME
echo "$TARGET_DIRECTORY/bin/fruitcut" >> $RUN_FILE_NAME

chmod +x $RUN_FILE_NAME || complain "couldn't set the rights to the run file"

echo "All done. Call"
echo ""
echo $RUN_FILE_NAME
echo ""
echo 'To start the game (or adjust your $PATH to include '$TARGET_DIRECTORY/bin
echo 'Using: export PATH="$PATH:'$TARGET_DIRECTORY/bin'"'