#! /bin/sh
#*****************************************************************************
#
#  $Id: install_beam,v 1.12 2011/05/27 16:26:37 ftessier Exp $
#
#  Copyright Blake Walters and the National Research Council of Canada
#
#  This script is free software; you can redistribute it and/or modify  
#  it under the terms of the GNU General Public License as published by  
#  the Free Software Foundation; either version 2 of the License, or 
#  (at your option) any later version.
#
#=============================================================================
#  Installs the BEAMnrc package and configures it for the same system-
#  compiler combination that you are running EGSnrc on. 
#
#  Do not redirect the output of this script as in past versions of the
#  BEAMnrc install scripts because these are interactive.
#  Log messages and information about the progress of the installation 
#  is echoed to the files install_beam.status and install_beam.log in the 
#  directory where you executed this script.
#  Please read these files carefully if the installation fails since most
#  errors/problems should be identified here.
#
#  To execute this script, one needs to have the 
#  distribution file:
#
#  ${my_version}_BEAMnrc.tar[ | .Z | .gz | .bz2]
#
#
#*****************************************************************************


my_version=V4
file_list="BEAMnrc BEAMnrc_phsp BEAMnrc_CT"
my_name=`echo "$0" |sed 's,.*[\\/],,'`

#define the two log files for creating a record of the installation
exec 3>install_beam.status
exec 4>install_beam.log
cat >&4 <<_ACEOF
This file contains error messages and output from programs 
run during the installation process of BEAMnrc $my_version

_ACEOF

# echo stuff
# shamelessly stolen from autoconf generated scripts.
#
case `echo "testing\c"; echo 1,2,3`,`echo -n testing; echo 1,2,3` in
  *c*,-n*) ECHO_N= ECHO_C='
' ECHO_T='    ' ;;
  *c*,*  ) ECHO_N=-n ECHO_C= ECHO_T= ;;
  *)       ECHO_N= ECHO_C='\c' ECHO_T= ;;
esac

cat <<_ACEOF
******************************************************************************

This script will install the BEAMnrc $my_version system.

*******************************************************************************
hit return to continue.

_ACEOF

read response

beamnrc_files=
found_beamnrc=no
while true; do
  echo $ECHO_N "Source directory: $ECHO_C" >&3
  echo $ECHO_N "Input directory where you stored the BEAMnrc distribution files [./]: $ECHO_C" >&2
  read response
  if test "x$response" = x; then
    srcdir="./"
  elif test "x$response" = xhelp; then
    cat >&2 <<_ACEOF

To install the BEAMnrc system you must download the file
  ${my_version}_BEAMnrc.tar 
or compressed/zipped version
  ${my_version}_BEAMnrc.tar.Z or ${my_version}_BEAMnrc.tar.gz or ${my_version}_BEAMnrc.tar.bz2
from the BEAMnrc distribution site.
You have to input here the directory where you have stored this file.
If you just hit the enter key, this script will look in the current working 
directory for the files.

_ACEOF
    continue
  else
    srcdir="$response"
  fi
  cur_dir=`pwd`
  cd $srcdir
  srcdir=`pwd`
  cd $cur_dir
  test_srcdir=`echo $srcdir | sed 's,.*[\\/],,'`
  if test "x$test_srcdir" != x; then
      srcdir="$srcdir/"
  fi
  echo $srcdir >&3
  for file in $file_list; do
    the_file="$my_version"_"$file"
    the_full_file="$srcdir$the_file"
    for ext in .tar .tar.Z .tar.gz .tar.bz2; do
       echo $ECHO_N "Looking for $the_full_file$ext ... $ECHO_C" >&3
       if test -f "$the_full_file$ext"; then
         echo "yes" >&3
         beamnrc_files="$beamnrc_files $the_full_file$ext"
         if test "x$file" = xBEAMnrc; then
           found_beamnrc=yes
         fi
         break
       else 
         echo "no" >&3 
       fi
    done
  done
  if test "x$beamnrc_files" = x; then
    echo "Did not find any distribution files in $srcdir !" >&3
    echo "Did not find any distribution files in $srcdir !" >&2
    echo >&2
  elif test "x$found_beamnrc" = xno; then
    echo "Did not find" "$my_version""_BEAMnrc.tar[.Z | .gz | .bz2]" >&3
    echo "Did not find" "$my_version""_BEAMnrc.tar[.Z | .gz | .bz2]" >&2
    echo "This file is essential" >&2
    echo >&2
  else
    break
  fi
done

#find out if HEN_HOUSE, EGS_HOME and EGS_CONFIG have already been defined
#AND exist.  If not, the user must have not installed properly or installation
#is incomplete 
egs_installed=yes
if test ! -d "$HEN_HOUSE"; then
  echo "HEN_HOUSE is not defined." >&3
  echo "HEN_HOUSE is not defined." >&2 
  egs_installed=no
fi
if test ! -d "$EGS_HOME"; then
  echo "EGS_HOME is not defined." >&3
  echo "EGS_HOME is not defined." >&2
  egs_installed=no
fi
if test ! -f "$EGS_CONFIG"; then
  echo "EGS_CONFIG is not defined." >&3
  echo "EGS_CONFIG is not defined." >&2
  egs_installed=no
fi

if test "x$egs_installed" = xno; then
  echo "BEAMnrc installation will quit because EGSnrcMP is not installed" >&3
  echo "BEAMnrc installation will quit because EGSnrcMP is not installed" >&2
  echo "properly.  Check your EGSnrcMP installation and try again." >&3
  echo "properly.  Check your EGSnrcMP installation and try again." >&2
  exit 1 
fi

# copy the distribution .tar file into $HEN_HOUSE
if test "$srcdir" != "$HEN_HOUSE"; then
  for file in $beamnrc_files; do 
    echo $ECHO_N "Copying $file to $HEN_HOUSE ... $ECHO_C" >&2
    echo $ECHO_N "Copying $file to $HEN_HOUSE ... $ECHO_C" >&3
    echo "********** Copy $file to HEN_HOUSE ********* " >&4
    if { cp "$file" "$HEN_HOUSE" 2>&4; mystatus=$?;
             (exit $mystatus); }; then
          echo "OK" >&2
          echo "OK" >&3
    else
          echo "failed" >&2
          echo "failed" >&3
          echo "Failed program was 'cp $beamnrc_file $HEN_HOUSE'" >&4
          exit 1
    fi
  done
fi
if cd "$HEN_HOUSE"; then
#echo >&2
    echo >&3
#echo "Now in HEN_HOUSE directory " >&2
    echo "Now in HEN_HOUSE directory " >&3
    echo "*************** cd $HEN_HOUSE ******************" >&4
else
    echo "Failed to change directory to $HEN_HOUSE" >&2
    echo "Failed to change directory to $HEN_HOUSE" >&3
    echo "Failed program was 'cd $HEN_HOUSE'" >&4
    exit 1
fi
echo >&2
echo >&3
echo "OMEGA_HOME will be ${HEN_HOUSE}omega." >&3
echo "OMEGA_HOME will be ${HEN_HOUSE}omega." >&2
echo >&2
echo >&3

for file in $beamnrc_files; do

  testfile=`echo "$file" | sed 's,.*[\\/],,'`

  case $file in

        *.Z)  
          prog_message="Uncompressing"
          prog="uncompress"
          tarfile=`echo "$testfile" | sed 's/.Z//'`
          thefile=$tarfile.Z
          ;;
        *.gz)
          prog_message="Unzipping"
          prog="gunzip"
          tarfile=`echo "$testfile" | sed 's/.gz//'`
          thefile=$tarfile.gz
          ;;
        *.bz2)
          prog_message="b-Unzipping"
          prog="bunzip2"
          tarfile=`echo "$testfile" | sed 's/.bz2//'`
          thefile=$tarfile.bz2
          ;;
        *) tarfile="$testfile"; prog= ;;
 
  esac

  if test "x$prog" != x; then

      echo $ECHO_N "$prog_message $thefile ... $ECHO_C" >&3
      echo $ECHO_N "$prog_message $thefile ... $ECHO_C" >&2
      echo "********** $prog_message $thefile ***********" >&4
      if { $prog $thefile >&4 2>&4; mystatus=$?; 
         echo "status: $mystatus" >&4;
         (exit $mystatus); }; then
         echo "OK" >&3
         echo "OK" >&2
      else
         echo "failed" >&3
         echo "failed" >&2
         echo "Failed program was \'$prog $thefile\'" >&4
         cat >&2 <<_ACEOF
You have to install the $prog utility first.
Alternatively, you can download uncompressed .tar files from the 
EGSnrc home page.
_ACEOF
         exit 1
      fi
#echo >&2
      echo >&3
  fi

  echo $ECHO_N "Untarring file $tarfile ... $ECHO_C" >&2
  echo $ECHO_N "Untarring file $tarfile ... $ECHO_C" >&3
  echo "********** Untar $tarfile **************" >&4
  if { tar -xvf $tarfile >&4 2>&4; mystatus=$?; (exit $mystatus); }; then
      echo "OK" >&2
      echo "OK" >&3
  else
      echo "failed" >&2
      echo "failed" >&3
      echo "Failed program was 'tar -xvf $tarfile'"
      exit 1
  fi
  rm -f $tarfile
done

# OK, the tar file is now unpacked in HEN_HOUSE, 
#
OMEGA_HOME="`pwd`/omega"
export OMEGA_HOME 

# Check which make utility to use with this config
#
make_prog=`cat $EGS_CONFIG | grep "make_prog = " | sed "s/make_prog = //g"`
if test "x$make_prog" = x; then
    echo "make_prog is not set in your config file? " >&2
    echo "make_prog is not set in your config file? " >&3
    echo "will try to use make " >&2
    echo "will try to use make " >&3
    make_prog=make
fi

# keep track of failed operations
install_complete=yes

# compile the beam_build tool
if cd "$OMEGA_HOME/beamnrc/tools"; then
#echo >&2
    echo >&3
#echo "Now in OMEGA_HOME/beamnrc/tools directory " >&2
    echo "Now in OMEGA_HOME/beamnrc/tools directory " >&3
    echo "*************** cd $OMEGA_HOME/beamnrc/tools ******************" >&4
    echo $ECHO_N "Compiling beam_build ... $ECHO_C" >&2
    echo $ECHO_N "Compiling beam_build ... $ECHO_C" >&3
    echo "********** Compiling beam_build **************" >&4
    if { $make_prog >&4 2>&4; mystatus=$?; (exit $mystatus); }; then
       echo "OK" >&2; echo "OK" >&3
    else
       echo "Failed compiling beam_build" >&2 
       echo "Failed compiling beam_build" >&3
       install_complete=no
    fi 
else
    echo "Failed to change directory to $OMEGA_HOME/beamnrc/tools" >&2
    echo "Failed to change directory to $OMEGA_HOME/beamnrc/tools" >&3
    echo "Failed program was 'cd $OMEGA_HOME/beamnrc/tools'" >&4
    install_complete=no
fi

# Now see if there is a C compiler with this config
# and create read_write_pardose.o and load_vculib if yes.
#
my_machine=`cat $EGS_CONFIG | grep "my_machine = " | sed "s/my_machine = //g"`
echo " my_machine = $my_machine" >&4
pardose_object=
vculib_object=
CC=`cat $EGS_CONFIG | grep "CC = " | sed "s/CC = //g"`
echo $ECHO_N "Checking for a C compiler ... $ECHO_C" >&2
echo $ECHO_N "Checking for a C compiler ... $ECHO_C" >&3
echo "********** Checking for a C compiler **********" >&4
if test "x$CC" = x; then
    have_c_compiler=no
    echo "no" >&2; echo "no" >&3
else
    echo "$CC" >&2; echo "$CC" >&3
    echo "********** C compiler options: " >&4
    echo " CC = $CC" >&4
    have_c_compiler=yes
    C_FLAGS=`cat $EGS_CONFIG | grep "C_FLAGS = " | grep -v "FCFLAGS" | sed "s/C_FLAGS = //g"`
    echo " C_FLAGS = $C_FLAGS" >&4
    COUT=`cat $EGS_CONFIG | grep "COUT = " | sed "s/COUT = //g"`
    echo " COUT = $COUT" >&4
    if cd "${HEN_HOUSE}lib/$my_machine"; then
        echo $ECHO_N "Compiling read_write_pardose ... $ECHO_C" >&2
        echo $ECHO_N "Compiling read_write_pardose ... $ECHO_C" >&3
        echo "********** Compiling read_write_pardose **********" >&4
        testc_compile='$CC $C_FLAGS -c -I. ${COUT}read_write_pardose.o ../../user_codes/dosxyznrc/read_write_pardose.c >&4'
        if { (eval $testc_compile) 2>&4; test_status=$?; (exit $test_status); }; then
            echo "OK" >&2;  echo "OK" >&3
            pardose_object='$(EGS_LIBDIR)read_write_pardose.o'
        else
            echo "Failed" >&2; echo "Failed" >&3
        fi
        echo $ECHO_N "Compiling load_vculib ... $ECHO_C" >&2
        echo $ECHO_N "Compiling load_vculib ... $ECHO_C" >&3
        echo "********** Compiling load_vculib **********" >&4
        testc_compile='$CC $C_FLAGS -c -I. ${COUT}load_vculib.o ../../cutils/load_vculib.c >&4'
        if { (eval $testc_compile) 2>&4; test_status=$?; (exit $test_status); }; then
            echo "OK" >&2;  echo "OK" >&3
            vculib_object='$(EGS_LIBDIR)load_vculib.o'
        else
            echo "Failed" >&2; echo "Failed" >&3
        fi
    fi
fi

# Now create dosxyznrc.spec 
#
echo $ECHO_N "Creating dosxyznrc_${my_machine}.spec ... $ECHO_C" >&2
echo $ECHO_N "Creating dosxyznrc_${my_machine}.spec ... $ECHO_C" >&3
cat >${HEN_HOUSE}specs/dosxyznrc_${my_machine}.spec <<_ACEOF
# This file specifies additional object files needed in the link 
# step of DOSXYZnrc.
#
PARDOSE_OBJECTS = $pardose_object
VCULIB_OBJECTS = $vculib_object

_ACEOF
echo "OK" >&2; echo "OK" >&3

#compile the rest of the codes in progs

for prog in beamdp ctcreate statdose readphsp dosxyz_show addphsp; do 
 
    if test $prog = dosxyz_show && test $have_c_compiler = no; then

        echo "Skipping dosxyz_show compilation (no C compiler)" >&2
        echo "Skipping dosxyz_show compilation (no C compiler)" >&3
        echo "Skipping dosxyz_show compilation (no C compiler)" >&4
        
    else
    if cd "$OMEGA_HOME/progs/$prog"; then
#echo >&2
       echo >&3
#echo "Now in OMEGA_HOME/progs/$prog directory " >&2
       echo "Now in OMEGA_HOME/progs/$prog directory " >&3
       echo "*** cd $OMEGA_HOME/progs/$prog ***" >&4
       echo $ECHO_N "Compiling $prog ... $ECHO_C" >&2
       echo $ECHO_N "Compiling $prog ... $ECHO_C" >&3
       echo "********** Compiling $prog ***********" >&4
       if { $make_prog >&4 2>&4; mystatus=$?; (exit $mystatus); }; then
          echo "OK" >&2; echo "OK" >&3
       else
          echo "Failed compiling $prog" >&2
          echo "Failed compiling $prog" >&3
          install_complete=no
       fi
    else
       echo "Failed to change directory to $OMEGA_HOME/progs/$prog" >&2
       echo "Failed to change directory to $OMEGA_HOME/progs/$prog" >&3
       echo "Failed program was 'cd $OMEGA_HOME/progs/$prog'" >&4
       install_complete=no
    fi
    fi
done

if test "x$install_complete" = xno; then
     cat >&2 <<_ACEOF

******************************************************************************

WARNING: Some parts of the OMEGA/BEAM installation failed.
         Look in the install.status file to see what these were.
         Once you have found and fixed the problem, either run the failed
         commands individually or re-run this installation script.  It
         is recommended that you fix these problems before finalizing
         the OMEGA/BEAM installation for individual users.

******************************************************************************
_ACEOF
     cat >&3 <<_ACEOF

******************************************************************************

WARNING: Some parts of the OMEGA/BEAM installation failed.
         Look in the install.status file to see what these were.
         Once you have found and fixed the problem, either run the failed
         commands individually or re-run this installation script.  It
         is recommended that you fix these problems before finalizing
         the OMEGA/BEAM installation for individual users.

******************************************************************************
_ACEOF
fi

cat >&2 <<_ACEOF
******************************************************************************

The OMEGA/BEAM basic installation is finished.

Every user who wants to use the system must now run the script

${HEN_HOUSE}scripts/finalize_beam_foruser

This will copy example .module files into 
the user's EGS_HOME/beamnrc/spec_modules directory and compile
DOSXYZnrc on the user's area.

******************************************************************************
_ACEOF

cat >&3 <<_ACEOF
******************************************************************************

The OMEGA/BEAM basic installation is finished.

Every user who wants to use the system must now run the script

${HEN_HOUSE}scripts/finalize_beam_foruser

This will copy example .module files into
the user's EGS_HOME/beamnrc/spec_modules directory and compile
DOSXYZnrc on the user's area.

******************************************************************************
_ACEOF

if test "x$USER" = xroot; then
    exit 0
fi

cat >&2 <<_ACEOF

You are logged in as user $USER.
Do you want this script to finalize the OMEGA/BEAM installation for you by running
${HEN_HOUSE}scripts/finalize_beam_foruser
_ACEOF
echo $ECHO_N "script ? (yes/no): $ECHO_C" >&2
read response
  if test "x$response" = xhelp; then
    cat >&2 <<_ACEOF
If you are on a single user system, the answer is yes. On a multi-user
system, if you are going to run OMEGA/BEAM from this account, answer yes, but
if this is to be the repository of the system, answer no.

Do you want this script to finalize the OMEGA/BEAM installation for you by running
${HEN_HOUSE}scripts/finalize_beam_foruser
_ACEOF
echo $ECHO_N "script ? (yes/no): $ECHO_C" >&2
read response
fi


if test "x$response" = xyes; then
     if cd "$HEN_HOUSE/scripts"; then
       echo >&3
       echo "Now in HEN_HOUSE/scripts directory " >&3
       echo "*** cd ${HEN_HOUSE}scripts ***" >&4
       ./finalize_beam_foruser
     else
       echo "Failed to change directory to ${HEN_HOUSE}scripts" >&3
       echo "Failed program was 'cd ${HEN_HOUSE}scripts'" >&4
     fi
fi

echo "Now back in script install_beam"

exit 0