#!/usr/bin/env bash

# require CLHEP

directory=recpack
filename=${directory}.src.20090424.tgz
url=http://micewww.pp.rl.ac.uk:8080/attachments/download/34/${filename}

my_prefix=/install
my_destdir=${MAUS_ROOT_DIR}/third_party

if [ -n "${MAUS_ROOT_DIR+x}" ]; then

    if [ -e "${MAUS_ROOT_DIR}/third_party/source/${filename}" ]
    then
	echo "INFO: Found source archive in 'source' directory"
    else
	echo "INFO: Source archive doesn't exist.  Downloading..."

	wget --directory-prefix=${MAUS_ROOT_DIR}/third_party/source ${url}

    fi
	
    if [ -e "${MAUS_ROOT_DIR}/third_party/source/${filename}" ]
    then
	echo "INFO: Source archive exists."
        echo
        echo "INFO: Checking MD5 checksum (otherwise the file didn't"
        echo "INFO: download properly):"
        echo
        cd ${MAUS_ROOT_DIR}/third_party/source
        md5sum -c ${filename}.md5 || { echo "FATAL: Failed to download:" >&2; echo "FATAL: ${filename}." >&2; echo "FATAL: MD5 checksum failed.">&2; echo "FATAL: Try rerunning this command to redownload, or check" >&2; echo "FATAL: internet connection"  >&2; rm -f ${filename}; exit 1; }
        sleep 1
        echo
        echo "INFO: Unpacking:"
        echo
        rm -Rf ${MAUS_ROOT_DIR}/third_party/build/${directory}
        sleep 1
        tar xvfz ${MAUS_ROOT_DIR}/third_party/source/${filename} -C ${MAUS_ROOT_DIR}/third_party/build > /dev/null
        cd ${MAUS_ROOT_DIR}/third_party/build/${directory}

	echo
	echo "INFO: Patching"
	echo
	cp ${MAUS_ROOT_DIR}/third_party/source/EAlgebra.cpp ${MAUS_ROOT_DIR}/third_party/build/${directory}/util/EAlgebra.cpp
	grep stdio util/EAlgebra.cpp || exit 1

	echo
	echo "INFO: Automake and autoconf"
	echo
	export AUTOCONF=`which autoconf`
	export AUTORECONF=`which autoreconf`
	export AUTOHEADER=`which autoheader`

  # avoid complaint about different libtool versions
  autoreconf -i

	./autogen.sh
	./autogen.sh
	echo
        echo "INFO: Configuring"
	echo
        sleep 1
	./configure --prefix=${MAUS_ROOT_DIR}/third_party/install --with-pic --enable-shared 
	echo 
	echo "INFO: Making"
	echo
	sleep 1
	make
	echo
        echo "INFO: Installing within MAUS's third party directory:"
        sleep 1
	make install
	echo
        echo "INFO: The package should be locally build now in your"
        echo "INFO: third_party directory, which the rest of MAUS will"
        echo "INFO: find."
    else
        echo "FATAL: Source archive still doesn't exist.  Please file a bug report with your operating system,">&2
        echo "FATAL: distribution, and any other useful information at:" >&2
        echo "FATAL: " >&2
        echo "FATAL: http://micewww.pp.rl.ac.uk:8080/projects/maus/issues/" >&2
        echo "FATAL:" >&2
        echo "FATAL: Giving up, sorry..." >&2
	exit 1
    fi

else
echo
echo "FATAL: MAUS_ROOT_DIR is not set, which is required to" >&2
echo "FATAL: know where to install this package.  You have two" >&2
echo "FATAL: options:" >&2
echo "FATAL:" >&2
echo "FATAL: 1. Set the MAUS_ROOT_DIR from the command line by" >&2
echo "FATAL: (if XXX is the directory where MAUS is installed):" >&2
echo "FATAL:" >&2
echo "FATAL:        MAUS_ROOT_DIR=XXX ${0}" >&2
echo "FATAL:" >&2
echo "FATAL: 2. Run the './configure' script in the MAUS ROOT" >&2
echo "FATAL: directory, run 'source env.sh' then rerun this" >&2
echo "FATAL: command ">&2
exit 1
fi