#!/bin/bash

if [ -z $CCP4 ]; then
  CCP4="/Applications/ccp4"
  export CCP4
fi

echo "CCP4" ${CCP4}
. ${CCP4}/bin/ccp4.setup-sh

CCP4I2=$(cd $(dirname $0)/.. ; pwd)
CCP4I2_TOP=$CCP4I2
PYTHONSTARTUP=$CCP4I2/bin/ccp4i2.pythonrc
export CCP4I2 CCP4I2_TOP PYTHONSTARTUP
. $CCP4/bin/ccp4.setup-sh

#exec $CCP4/bin/ccp4-python $CCP4I2/bin/browser.py $@

# LIBTBX_BUILD is used in cctbx to find libtbx_env file (pickle)
export LIBTBX_BUILD=$CCP4/lib/py2/cctbx

# Old PYTHONPATH is ignored -- it may be set for different Python version.
# Special case when Windows Python is called from MSYS/MinGW shell is handled
# near to "python.exe" below (";" must be used as a separator in that case).
export PYTHONPATH="$CCP4/lib/python2.7/site-packages:$CCP4/lib/py2:$CCP4/lib/py2/site-packages:$LIBTBX_BUILD/../site-packages/phaser:$LIBTBX_BUILD/../site-packages/tntbx:$LIBTBX_BUILD/../site-packages:$LIBTBX_BUILD/../site-packages/cctbx_project:$LIBTBX_BUILD/../site-packages/cctbx_project/boost_adaptbx:$LIBTBX_BUILD/../site-packages/cctbx_project/libtbx/pythonpath:$LIBTBX_BUILD/lib:$CCP4/share/python"

# MSYS translates most of paths automatically, but it needs help here
if [ "$(uname)" = MINGW32_NT-6.1 ]; then
  CCP4="$(cd "$CCP4" && pwd -W)"
  export PYTHONPATH="$CCP4/lib/python2.7/site-packages;$CCP4/lib/py2;$CCP4/lib/py2/site-packages;$LIBTBX_BUILD/../site-packages/phaser;$LIBTBX_BUILD/../site-packages/tntbx;$LIBTBX_BUILD/../site-packages;$LIBTBX_BUILD/../site-packages/cctbx_project;$LIBTBX_BUILD/../site-packages/cctbx_project/boost_adaptbx;$LIBTBX_BUILD/../site-packages/cctbx_project/libtbx/pythonpath;$LIBTBX_BUILD/lib;$CCP4/share/python"
fi
#${CCP4}/libexec/ccp4i2 ${CCP4I2}/bin/browser.py $@

LC_ALL=C
export LC_ALL

browser=${CCP4I2}/bin/browser.py
launcher=${CCP4}/libexec/ccp4i2
test -x ${launcher} || launcher=${CCP4}/bin/ccp4-python
exec ${launcher} ${browser} $@

exit   ############################# Old stuff below

find_target(){
  myexe="$1"
  dir=`dirname $myexe`

  target=`ls -l $myexe | awk '{loc=match($0,"->");target=substr($0,loc+3);print target}'`
  target_strip_slash=`echo $target | sed -e 's=^/=='`

  if [ x"$target_strip_slash" = x"$target" ]; then
  target="$dir/$target"
  fi
  
  if [ -h "$target" ]; then
    echo `find_target "$target" "$dir"`
  else
    echo $target  
  fi
}

if [ -h "$0" ]; then
  target=`find_target "$0"`
else
  target="$0"
fi


mydir=`dirname $target`

mydir_strip_dot=`echo $mydir | sed -e 's/^\.//'`
mydir_strip_dotdot=`echo $mydir | sed -e 's/^\.\.//'`

CCP4I2="$mydir/.."

if [ x"$mydir" = x"." ]; then
 CCP4I2="$PWD/.."
fi

if [ x"$mydir" != x"$mydir_strip_dot" ]; then
  CCP4I2="$PWD/$mydir/.."
fi

if [ x"$mydir" != x"$mydir_strip_dotdot" ]; then
  CCP4I2="$PWD/$mydir/.."
fi

if [ "${CCP4I2#/}" = "${CCP4I2}" ]; then
  #echo "This is a relative path, so let us make it absolute."
  CCP4I2="`pwd`/$CCP4I2"
fi

if [ -z $CCP4 ]; then
  CCP4="/Applications/ccp4"
  export CCP4
fi

echo "CCP4" ${CCP4}
. ${CCP4}/bin/ccp4.setup-sh

echo "CCP4I2 " ${CCP4I2}

export CCP4I2
export CCP4I2_TOP=$CCP4I2
export PYTHONSTARTUP=$CCP4I2/bin/ccp4i2.pythonrc

if [ -r "${CCP4I2}/ccp4i2" ]; then
  echo "Using source tree ccp4i2 executable"
  export PYTHONPATH="$CCP4/lib/python2.7/site-packages:$CCP4/lib/py2:$CCP4/lib/py2/libtbx/pythonpath:$CCP4/share/python"
  export LIBTBX_BUILD=$CCP4/lib/py2
  ${CCP4I2}/ccp4i2 ${CCP4I2}/bin/browser.py $@
elif  [ -r "${CCP4}/libexec/ccp4i2" ]; then
  echo "Using CCP4 installation libexec/ccp4i2 executable"
  export PYTHONPATH="$CCP4/lib/python2.7/site-packages:$CCP4/lib/py2:$CCP4/lib/py2/libtbx/pythonpath:$CCP4/share/python"
  export LIBTBX_BUILD=$CCP4/lib/py2
  ${CCP4}/libexec/ccp4i2 ${CCP4I2}/bin/browser.py $@
else
  echo "Using ccp4-python"
  ${CCP4}/bin/ccp4-python ${CCP4I2}/bin/browser.py $@
fi