#!/bin/bash

#http://stackoverflow.com/questions/59895/can-a-bash-script-tell-what-directory-its-stored-in
SOURCE="${BASH_SOURCE[0]}"
while [ -h "$SOURCE" ]; do # resolve $SOURCE until the file is no longer a symlink
  DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
  SOURCE="$(readlink "$SOURCE")"
  [[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE" # if $SOURCE was a relative symlink, we need to resolve it relative to the path where the symlink file was located
done
bin_dir="$( cd -P "$( dirname "$SOURCE" )" && pwd )"

#modify the line below to point to a valid cctbx installtion to be used with olex2
export OLEX2_CCTBX_DIR=$bin_dir/cctbx
#this is necessary here as the cctbx sets signalf for FPE and does not handle them...
export BOOST_ADAPTBX_FPE_DEFAULT=1
export BOOST_ADAPTBX_SIGNALS_DEFAULT=1

#uncomment this on k/ubuntu to fix graphics...
#export OLEX2_GL_DEFAULT=True
#change if have/need stereo support in opengl (use gl.stereo(hardware) to turn on)
export OLEX2_GL_STEREO=FALSE
export OLEX2_GL_MULTISAMPLE=FALSE
# change appropriatly - if needed
export OLEX2_GL_DEPTH_BITS=16

#uncomment the line below to specify alternative location of olex2 GUI
#by default it is the $bin_dir
#export OLEX2_DIR=$bin_dir


# we need to set the correct update path, if the gui is not at the default location
#update_path="$bin_dir"

if [ $OLEX2_DIR ]
then
  update_path="$OLEX2_DIR"
  echo Setting the update path to: $update_path
fi

#set the dynamic library paths
export LD_LIBRARY_PATH=$bin_dir/lib:$bin_dir/ilib:$OLEX2_CCTBX_DIR/cctbx_build/lib:$LD_LIBRARY_PATH:$bin_dir/lib/python3.8/site-packages/scipy.libs
export PYTHONHOME=$bin_dir
export PATH=$bin_dir/bin:$PATH

# this may be needed for SSL in Python
#export SSL_CERT_FILE=/etc/ssl/certs/ca-certificates.crt
#check for openblas
if [ ! -e $bin_dir/lib/libopenblas.so.0 ]; then
  echo "Creating link to openblas"
  ln $bin_dir/lib/python3.8/site-packages/scipy.libs/libopenblasp-r0-41284840.3.18.so $bin_dir/lib/libopenblas.so.0
fi

cd "$bin_dir"
if [ ! -x unirun ]
then
  chmod +x unirun
fi

if [ -n "$update_path" ]
then
  ./unirun -run
else
  $bin_dir/unirun "$update_path" -run
fi

if [ ! -x olex2 ]
then
  chmod +x olex2
fi

if [ ! -x olex2c ]
then
  chmod +x olex2c
fi

./olex2 "$@" &