##functions to the bootstrap shell script

#Building dependencies
function building_dependencies(){

    LIBS=$(mk_and_abs_dir $ROOT_DIR/libs) &&
    
    echo "Building dependencies" &&
#build cmake
    if [ "$BUILD_CMAKE" = "yes" ]; then
	./build "$DEPS" $CMAKE_PACKAGE &&
	CMAKE=$DEPS/$CMAKE_PACKAGE/bin/cmake
    fi &&
#build requires
    ./build "$DEPS" $REQUIRES &&
#build fmi
       build_fmi

}


function copy_dependencies(){
#copy the required sources and libraries into the "libs"-directory

    cd $DEPS &&
    req="$REQUIRES $SPECIAL_REQUIRES"
    for lib in $req
    do 
	for f in $lib/*; do
	    cp -R $f $LIBS || 
	    (echoerr "Error: establishing libs failed" && exit 1)
	done 
    done
#if a boost version was found, copy the libs and sources
    if [ -z "$BOOST" -a -z "$BOOST_PATH" ]; then 
	cp -r $boost_lib_dir/libboost*.so $(mk_and_abs_dir $LIBS/lib)
	cp -r $boost_include_dir/ $(mk_and_abs_dir $LIBS/include/boost)
    fi
    
    ln -f -s $LIBS $ROOT_DIR/src/$(basename $LIBS)
    
    
#preparing build directory 
    
# PREFIX_PATH=$(echo $REQUIRES| sed "s@[ ^] *@;$DEPS/@g")
#  -DCMAKE_PREFIX_PATH="$PREFIX_PATH" \
#  -DBOOST_ROOT="$DEPS/$BOOST"
}


function prepare_build_dir(){
    echo "preparing build directory" && 
    cd $BUILD_DIR &&
    $CMAKE \
	$ROOT_DIR/src \
	-DCMAKE_INSTALL_PREFIX=$BUILD_DIR \
	$CMAKE_ARGS 
}

function python_settings(){
    link_name=python
    
    echo "creating python link"
    dest=$(which python) &&
    if (( $(env python -c "import sys; print(sys.version_info[0])") > 2 )); then 
        if (( $(env python2 -c "import sys; print(sys.version_info[0])") == 2 )); then 
	    dest=$(which python2)
        fi
    fi &&
    cd $ROOT_DIR &&
    if [ -L $link_name ]; then
	rm -f $link_name
    fi &&
    ln -s $dest $link_name &&
    echo file $link_name &&
    
    echo "setting path in python scripts" &&
    path_to_python_symlink=$ROOT_DIR &&
    path_to_python_scripts="$TOOLS $TOOLS/gui" &&
    
    for dir in $path_to_python_scripts; do
	for script in $(find $dir -maxdepth 1  -name "*.py" ); do
		echo "processing $script" &&
		modify_python_script $script
	done
    done
}

#modify python script function writes infront of the executed python scripts a shebang and the location of our python symlink
function modify_python_script(){
    scriptname=$@
    (echo -n '#!' && 
	echo $path_to_python_symlink/$link_name && 
	cat $scriptname) > $scriptname.new &&
    mv $scriptname{.new,} && 
    chmod +x $scriptname
	#chmod +x $scriptname.new
}

function finalize(){
#if [ $? -eq 0 ]; then
    if [ -n "$BOOST_PATH" ]; then
	call_build_sh $BOOST_PATH
    else
	echo "Finished $0." 
	echo "For building the Revkit sources use the build script."
	echo "e.g. $BUILDTOOL build"
#	echo "Run it now? y/n"
#	read answer
#	if [[ $answer == "y" ]]; then
#	   call_build_sh 
#	fi
    fi
#fi
}

#function call_build_sh(){
#    cd $ROOT_DIR &&
#    $ROOT_DIR/$BUILDTOOL build $@
#}