#!/bin/bash
#
# @RDE_HEADER@
# $Id$
# $HeadURL$
# $Author$
#

directory=""
source_dir=""

echo "source_dir = ${source_dir}"

usage()
{
  echo "usage: $0 -d <directory> -b <base-dir>"
  echo " -d <directory> : Directory in which the files & include-stmts should be renamed"
  echo " -b <base-directory> : source-Directory that will be used for find&replace include-stmts"
}

while getopts "d:b:" opt "$@"; do
  case $opt in
     d)
      directory=$OPTARG
      ;;
     b)
      source_dir=$OPTARG
      ;;
    \?)
      echo "Invalid option: -$OPTARG"
      usage
      exit 1
      ;;
    :)
      echo "Option -$OPTARG requires an argument."
      usage
      exit 1
      ;;
  esac
done


if [ -z $directory ]; then
  echo "Parameter -d is required"
  usage
  exit 1
fi

if [ -z $source_dir ]; then
  echo "Parameter -b is required"
  usage
  exit 1
fi

echo "Change to directory: ${directory} "
cd ${directory}

file_list=`find . -name '*.cpp' -printf "%f\n" `
file_list+=" "
file_list+=`find . -name '*.xpm' -printf "%f\n" `

changed_file_list=""
for old_file in ${file_list}; do
  first_file=$( echo ${old_file} | sed -r 's#(^[A-Z])#\l\1#')
  echo "first: ${first_file}"
  new_file=$( echo ${first_file} | sed -r 's#([A-Z])#_\l\1#g')
  if [ ${old_file} != ${new_file} ]; then
    changed_file_list+=" ${new_file} "
    echo "-> Rename file ${old_file} to ${new_file}"
    svn mv ${old_file} ${new_file}
    #mv ${old_file} ${new_file}
  fi
done

echo "changed_file_list = ${changed_file_list}"

h_file_list=""
for old_file in `find . -name '*.h' -printf "%f\n" `; do
  first_file=$( echo ${old_file} | sed -r 's#(^[A-Z])#\l\1#')
  new_file=$( echo ${first_file} | sed -r 's#([A-Z])#_\l\1#g')

  if [ ${old_file} != ${new_file} ]; then

    # Escape the '.' in the variable old_file & new_file
    esc_old_file=$(echo ${old_file} | sed -e 's/[]\/$*.^|[]/\\&/g')
    esc_new_file=$(echo ${new_file} | sed -e 's/[]\/$*.^|[]/\\&/g')
    find ${source_dir} -name "*.cpp*" -exec grep -l "#include" {} \; | xargs sed -i "s/${esc_old_file}/${esc_new_file}/"
    find ${source_dir} -name "*.h*"   -exec grep -l "#include" {} \; | xargs sed -i "s/${esc_old_file}/${esc_new_file}/"
    find ${source_dir} -name "*.py"   -exec grep -l "#include" {} \; | xargs sed -i "s/${esc_old_file}/${esc_new_file}/"
    #find ${source_dir} -name "*.h" | xargs sed -i "s/${old_file}/${new_file}/"
    #grep -Rl "#include" ${source_dir}/*.h | xargs sed -i "s/${old_file}/${new_file}/"

    #echo "grep -l "#include" *.cpp | xargs sed -i 's/${old_file}/${new_file}/'"
    h_file_list+=" ${new_file} "
    echo "-> Rename file ${old_file} to ${new_file}"
    svn mv ${old_file} ${new_file}
    #mv ${old_file} ${new_file}
  fi
done

echo "h_file_list = ${h_file_list}"