#! /bin/bash
#
# $Id$
#
# Copyright 1989-2016 MINES ParisTech
#
# This file is part of PIPS.
#
# PIPS 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 3 of the License, or
# any later version.
#
# PIPS is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE.
#
# See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with PIPS.  If not, see <http://www.gnu.org/licenses/>.
#

# accept validation files differences...
set -e

svn=
shopt -s nullglob
shopt -s extglob

# something done?
something=

# what is the current arch?
if [ -n "${PIPS_ARCH}" -o -x $PIPS_ROOT/makes/arch.sh ]
then
	arch=${PIPS_ARCH:-$($PIPS_ROOT/makes/arch.sh)}
fi

function handle_out_file()
{
    local outfile=$1
    local ref=${outfile%\/out}/test
    [ -f $ref.$arch ] && ref=$ref.$arch

    # show differences
    if [ -f $ref ] ; then
	echo "CONSIDERING $ref and $outfile"
	something=1
	if [[ ! $PIPS_GRAPHICAL_DIFF ]] ; then
            diff -b -u $ref $outfile | ${PIPS_MORE:-less}
	else
	    # Useless to use PIPS_MORE since for higher level graphical
	    # tools for example
	    ${PIPS_GRAPHICAL_DIFF} $ref $outfile
	fi
    else
	echo "NEW OUTPUT $outfile"
	${PIPS_MORE:-less} $outfile
    fi

    # ask...
    echo -e "accept (y|n)? \a"
    read answer
    if [[ $answer == [yY]* ]] ; then
	mv $outfile $ref
	if [ -d .svn ]; then
	    svn=1
	fi
    else
	echo "$outfile not accepted"
    fi
}

function handle_directory()
{
    local dir=$1 outfile
   for outfile in $dir/*.result/out ; do
	handle_out_file $outfile
    done
}

if [[ ! $@ ]] ; then
    # If no directory names given, ask for accepting all the validation
    set -- *
fi

if [[ $1 == "--new" ]] ; then
  # Validate all against what is newer in the last validation than in the
  # previous one:
  set -- `diff SUMMARY_Archive/SUMMARY-previous SUMMARY_Archive/SUMMARY-last |
          sed -n 's/ [0-9]*$//;s/> changed: //p'`
fi

for arg ; do
  if [[ -d $arg ]] ; then
      handle_directory $arg
  elif [[ -f $arg ]] ; then
      outfile=${arg%.@([Ffc]|tpips|py)}.result/out
      if [[ -f $outfile ]] ; then
	  handle_out_file $outfile
      else
	  echo "$arg skipped, no '$outfile' out file"
      fi
  else
      echo "$arg skipped, no such file"
  fi
done

[[ $svn ]] && echo "Consider running \"svn ci $@\" to commit changes"
[[ $something ]] || echo "Nothing to accept"

exit 0