#!/bin/sh
#------------------------------------------------------------------------------
# =========                 |
# \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
#  \\    /   O peration     |
#   \\  /    A nd           | www.openfoam.com
#    \\/     M anipulation  |
#-------------------------------------------------------------------------------
#     Copyright (C) 2015-2017 OpenFOAM Foundation
#     Copyright (C) 2020 OpenCFD Ltd.
#------------------------------------------------------------------------------
# License
#     This file is part of OpenFOAM.
#
#     OpenFOAM 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
#     (at your option) any later version.
#
#     OpenFOAM 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 OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
#
# Script
#     foamNewApp
#
# Description
#     Create directory with source and compilation files for a new application
#
#------------------------------------------------------------------------------
Script=${0##*/}
DIR="$WM_PROJECT_DIR/etc/codeTemplates/app"

usage() {
    while [ "$#" -ge 1 ]; do echo "$1"; shift; done
    cat<<USAGE
Usage: $Script [-h | -help] <applicationName>

* Create directory with source and compilation files for a new application
  <applicationName> (dir)
  - <applicationName>.C
  - Make (dir)
    - files
    - options
  Compiles an executable named <applicationName> in \$FOAM_USER_APPBIN:
  $FOAM_USER_APPBIN
USAGE
    exit 1
}

case "$1" in
(-h | -help*)
    usage
    ;;
-*)
    usage "$1 is not a valid filename"
    ;;
esac

[ "$#" -eq 1 ] || usage "Wrong number of arguments"
[ -d "$1" ] && usage "$1 directory already exists, aborting..."

NAME=$1
YEAR=$(date +%Y)

echo "Creating application code directory $NAME" && mkdir $NAME
sed -e "s#NAME#${NAME}#g" \
    -e "s#YEAR#${YEAR}#g" \
    ${DIR}/app.C > $NAME/$NAME.C

echo "Creating Make subdirectory" && mkdir $NAME/Make
sed "s#NAME#${NAME}#g" ${DIR}/Make/files > $NAME/Make/files
cp ${DIR}/Make/options $NAME/Make

#------------------------------------------------------------------------------