#!/bin/sh

usage()
{
  msg=$1
  if [ -n "$msg" ]; then
    echo "Error: $msg"
  fi
  cat <<EOT
$0 [options...]
Options:
 -b, --build                         build type: Debug, Release, RelWithDebInfo
 -d, --debug                         debug mode
-rd, --relwithdebinfo                relwithdebinfo mode
 -r, --release                       release mode
     --std=c++xx                     c++ standard c++17,c++14, c++2a (default: c++17)
     --stdlib=libxx                  c++ standard library libstdc++, libc++ (default: libstdc++)
     --max-order=x                   maximum polynomial order to instantiate(default: 3)
     --cxxflags                      override cxxflags
     --cmakeflags                    add extra cmake flags
     --prefix=PATH                   define install path
     --root=PATH                     define root path
     --enable-pch                    enable precompiled headers (default)
     --disable-pch                   disable precompiled headers
     --enable-python=<python executable> enable python 
     --enable-cling                  enable cling 
     --disable-cling                 disable cling (default)
     --disable-asan                  disable asan 
     --disable=<module>              space separated list of <module>s to disable : --disable="ipopt nlopt"
     --enable-toolboxes              enable Feel++ toolboxes and PyFeel++ toolboxes
     --disable-toolboxes             disable Feel++ toolboxes and PyFeel++ toolboxes (by default)
     --enable-mor                    enable Feel++ mor and PyFeel++ mor 
     --disable-mor                   disable Feel++ mor and PyFeel++ mor (by default)
 -v, --verbose                       enable verbose output
 -h, --help                          help page
     --<package>-dir=PACKAGE_PATH    define <package> install directory
     --disable-<package>             disable <package>
     --generator=GENERATOR           cmake generator
EOT
}


_HAS_ERROR=no
_WANT_HELP=no
PROJECT_INSTALL_PREFIX=$(dirname `pwd`)/install-$(basename `pwd`)
PROJECT_STD_CPP=17
PROJECT_MAX_ORDER=3
PROJECTSRCROOT=`dirname $0`
GENERATOR="Unix Makefiles"

# If an environment variable PWD exists, use first that one because it is
# preferable than the command `pwd` which does not take into account linls and
# may show NFS mountpoints (on some platforms)

if [ "X${BUILDROOT}" = "X" ]; then
  if [ "X${PWD}" = "X" ]; then
    BUILDROOT=`pwd`
  else
    BUILDROOT=${PWD}
  fi
fi
BUILDTYPE=Release
_WANT_PCH=no
_WANT_PYTHON=yes
_WANT_ASAN=no
_WANT_CLING=yes
_WANT_VERBOSE=no
_WANT_DEBUG=no
_WANT_ASAN=no
_WANT_RELWITHDEBINFO=no
_WANT_OG=no
_WANT_CHECK=no
_HAS_CONFIG=no
_WANT_DEV_WARNINGS=
_WANT_NUMERICS=TRUE
_WANT_LOCAL_CONFIG=no
_WANT_DISABLE=""
_WANT_TOOLBOXES=no
_WANT_MOR=no
CXXFLAGS=
CMAKEFLAGS=
ENABLE_NUMA=TRUE
ENABLE_CUDA=TRUE
PROJECT_STDLIB_CPP=stdc++
THISCOMMAND="$0 $@"

while [ -n "$1" ]; do
   case $1 in
   --build=*)
       BUILDTYPE=`echo $1 | sed "s,^--build=\(.*\),\1,"`
       export BUILDTYPE
       ;;
   --generator=*)
       GENERATOR=`echo $1 | sed "s,^--generator=\(.*\),\1,"`
       export GENERATOR
       ;;
   --prefix=*)
       PROJECT_INSTALL_PREFIX=`echo $1 | sed "s,^--prefix=\(.*\),\1,"`
       export PROJECT_INSTALL_PREFIX
       ;;
   --root=*)
       temp=`echo $1 | sed "s,^--root=\(.*\),\1,"`
       if [ "x$temp" != "xfeelpp" ]; then
           PROJECTSRCROOT=$temp
       fi
       export PROJECTSRCROOT
       ;;   
   --mpi-dir=*)
       MPI_ROOT=`echo $1 | sed "s,^--mpi-dir=\(.*\),\1,"`
       export MPI_ROOT
       ;;
   --tbb-dir=*)
       TBB_ROOT=`echo $1 | sed "s,^--tbb-dir=\(.*\),\1,"`
       export MPI_ROOT
       ;;
   --mkl-dir=*)
       MKL_ROOT=`echo $1 | sed "s,^--mkl-dir=\(.*\),\1,"`
       export MKL_ROOT
       ;;
   --numa-dir=*)
       NUMA_ROOT=`echo $1 | sed "s,^--numa-dir=\(.*\),\1,"`
       export NUMA_ROOT
       ;;
   --disable-numa)
       ENABLE_NUMA=FALSE
       ;;
   --cuda-dir=*)
       CUDA_ROOT=`echo $1 | sed "s,^--cuda-dir=\(.*\),\1,"`
       export CUDA_ROOT
       ;;
   --disable-cuda)
       ENABLE_CUDA=FALSE
       ;;
   --boost-dir=*)
       BOOST_ROOT=`echo $1 | sed "s,^--boost-dir=\(.*\),\1,"`
       export BOOST_ROOT
       ;;
   --eigen3-dir=*)
       EIGEN3_ROOT=`echo $1 | sed "s,^--eigen3-dir=\(.*\),\1,"`
       export EIGEN3_ROOT
       ;;
   --gmsh-dir=*)
       GMSH_DIR=`echo $1 | sed "s,^--gmsh-dir=\(.*\),\1,"`
       export GMSH_DIR
       ;;
   --petsc-dir=*)
       PETSC_DIR=`echo $1 | sed "s,^--petsc-dir=\(.*\),\1,"`
       export PETSC_DIR
       ;;
   --debug|-d)
       BUILDTYPE=Debug
       _WANT_CHECK=yes
       ;;
   --relwithdebinfo|-rd)
       BUILDTYPE=Relwithdebinfo
       ;;
   --check)
       _WANT_CHECK=yes
       ;;
   --verbose|-v)
       _WANT_VERBOSE=yes
       ;;
   --release|-r)
       BUILDTYPE=Release
       ;;
   --enable-pch)
       _WANT_PCH=yes
       ;;         
   --disable-pch)
       _WANT_PCH=no
       ;;
   --enable-python)
       _WANT_PYTHON=yes
       ;;
   --enable-python=*)
       PYTHON_EXECUTABLE=`echo $1 | sed "s,^--enable-python=\(.*\),\1,"`
       export PYTHON_EXECUTABLE
       _WANT_PYTHON=yes
       ;;
   --disable-python)
       _WANT_PYTHON=no
       ;;            
   --enable-cling)
       _WANT_CLING=yes
       ;;         
   --disable-cling)
       _WANT_CLING=no
       ;;
   --disable-asan)
       _WANT_ASAN=no
       ;;
   --enable-asan)
       _WANT_ASAN=yes
       ;;   
   --disable=*)
       _WANT_DISABLE=`echo $1 | sed "s,^--disable=\(.*\),\1,"`
       export _WANT_DISABLE
       ;;
   --enable-toolboxes)
       _WANT_TOOLBOXES=yes
       ;;         
   --disable-toolboxes)
       _WANT_TOOLBOXES=no
       ;;
   --enable-mor)
       _WANT_MOR=yes
       ;;         
   --disable-mor)
       _WANT_MOR=no
       ;;    
   --max-order=*)
           PROJECT_MAX_ORDER=`echo $1 | sed "s,^--max-order=\(.*\),\1,"`
           echo "using max polynomial order instantiate $PROJECT_MAX_ORDER..."
           export PROJECT_MAX_ORDER
           ;;
   --std=c++*)
       PROJECT_STD_CPP=`echo $1 | sed "s,^--std=c++\(.*\),\1,"`
       echo "using c++$PROJECT_STD_CPP..."
       export PROJECT_STD_CPP
       ;;
   --stdlib=lib*)
       PROJECT_STDLIB_CPP=`echo $1 | sed "s,^--stdlib=lib\(.*\),\1,"`
       echo "using lib$PROJECT_STDLIB_CPP..."
       export PROJECT_STDLIB_CPP
       ;;
   --enable-opt)
       CXXFLAGS="-march=native -mavx -mfma -msse4.2 -msse4.1 -mssse3 -msse3 -msse2"
       ;;
   --enable-bench)
       CXXFLAGS="-march=native -mavx -mfma -msse4.2 -msse4.1 -mssse3 -msse3 -msse2 -fno-omit-frame-pointer"
       ;;      
   --cxxflags=*)
       CXXFLAGS=`echo $1 | sed "s,^--cxxflags=\(.*\),\1,"`
       ;;
   --cmakeflags=*)
       CMAKEFLAGS=`echo $1 | sed "s,^--cmakeflags=\(.*\),\1,"`
       ;;
   --local-config)
      _WANT_LOCAL_CONFIG=yes
       LOCAL_CONFIG_DIR=CMake.local
       ;;
   --no-projects|--no-research)
       _DISABLE_RESEARCH=yes
       ;;

   -Wno-dev)
       _WANT_DEV_WARNINGS="-Wno-dev"
       ;;
   -h | -help | --help | -?)
       _WANT_HELP=yes
        usage
        exit 0
	;;
   *)
       echo $1: param�tre inconnu
       _WANT_HELP=yes;
       _HAS_ERROR=yes
       usage
       exit 0
	;;
   esac
   shift
done

cat <<EOT >reconfigure
#!/bin/sh
echo "Execute: CC=\"$CC\" CXX=\"$CXX\" $THISCOMMAND"
CC="$CC" CXX="$CXX" $THISCOMMAND
EOT
`chmod +x reconfigure`

# switch to ifp config when hostname is irlin*
if [ "${_WANT_LOCAL_CONFIG}" = "yes" ] ; then
  CMAKE_FIND_DIR=${LOCAL_CONFIG_DIR}
else
  CMAKE_FIND_DIR=CMake
fi

echo BUILDROOT=${BUILDROOT}
echo INSTALL_PREFIX=${PROJECT_INSTALL_PREFIX}
echo CMAKE_FIND_DIR=${CMAKE_FIND_DIR}
echo CMAKEFLAGS=${CMAKEFLAGS}
echo CXX=${CXX}
echo CC=${CC}

echo "# Do not edit" > cmake.configure
if [ "X${PROJECT_INSTALL_PREFIX}" != "X" ]; then
  echo "SET(CMAKE_INSTALL_PREFIX \"${PROJECT_INSTALL_PREFIX}\" CACHE PATH \"Installation directory\" FORCE)" >> cmake.configure
  echo "SET(CMAKE_SKIP_RPATH ON)" >> cmake.configure
fi
echo "SET(BUILDROOT ${BUILDROOT} CACHE PATH \"Compilation directory\")" >> cmake.configure
echo "SET(CMAKE_INSTALL_PREFIX \"${PROJECT_INSTALL_PREFIX}\" CACHE PATH \"Installation directory\" FORCE)" >> cmake.configure
echo "SET(CMAKE_EXPORT_COMPILE_COMMANDS ON)" >> cmake.configure
echo "SET(FEELPP_STD_CPP \"$PROJECT_STD_CPP\" CACHE PATH \"Feel++ c++ standard c++17, c++14 or c++2a\")"  >> cmake.configure
echo "SET(FEELPP_STDLIB_CPP \"$PROJECT_STDLIB_CPP\" CACHE PATH \"Feel++ c++ standard library stdc++ or c++\")"  >> cmake.configure
echo "SET(FEELPP_INSTANTIATION_ORDER_MAX \"$PROJECT_MAX_ORDER\" CACHE PATH \"Feel++ maximum polynomial order instantiation\")"  >> cmake.configure
echo "SET(PROJECT_ROOT ${PROJECTSRCROOT} CACHE PATH \"Project root\")" >> cmake.configure
echo "SET(ARCH \"`arch`\" CACHE STRING \"Project ARCH\" FORCE)" >> cmake.configure
if [ "X${MKL_ROOT}" != "X" ]; then
echo "set(MKL_INCLUDE_PATH             \"${MKL_ROOT}/include\" CACHE PATH \"root directory\" FORCE)" >> cmake.configure
echo "set(MKL_LIBRARY_PATH             \"${MKL_ROOT}/lib/em64t\" CACHE PATH \"root directory\" FORCE)" >> cmake.configure
fi
if [ "X${EIGEN3_ROOT}" != "X" ]; then
echo "set(EIGEN3_INCLUDE_PATH          \"${EIGEN3_ROOT}/include/eigen3\" CACHE PATH \"root directory\" FORCE)" >> cmake.configure
fi
if [ "X${CUDA_ROOT}" != "X" ]; then
echo "set(CUDA_INCLUDE_PATH            \"${CUDA_ROOT}/cuda/include\" CACHE PATH \"root directory\" FORCE)" >> cmake.configure
echo "set(CUDA_LIBRARY_PATH            \"${CUDA_ROOT}/cuda/lib64\" CACHE PATH \"root directory\" FORCE)" >> cmake.configure
fi
if [ "X${TBB_ROOT}" != "X" ]; then
echo "set(TBB_INCLUDE_PATH             \"${TBB_ROOT}/include\" CACHE PATH \"root directory\" FORCE)" >> cmake.configure
echo "set(TBB_LIBRARY_PATH             \"${TBB_ROOT}/lib\" CACHE PATH \"root directory\" FORCE)" >> cmake.configure
fi
if [ "X${BOOST_ROOT}" != "X" ]; then
echo "set(BOOST_INCLUDE_PATH           \"${BOOST_ROOT}/include\" CACHE PATH \"root directory\" FORCE)" >> cmake.configure
echo "set(BOOST_LIBRARY_PATH           \"${BOOST_ROOT}/lib\" CACHE PATH \"root directory\" FORCE)" >> cmake.configure
fi
if [ "X${NUMA_ROOT}" != "X" ]; then
echo "set(NUMA_INCLUDE_PATH            \"${NUMA_ROOT}/include\" CACHE PATH \"root directory\" FORCE)" >> cmake.configure
echo "set(NUMA_LIBRARY_PATH            \"${NUMA_ROOT}/lib64\" CACHE PATH \"root directory\" FORCE)" >> cmake.configure
fi
echo "SET(ENABLE_NUMA ${ENABLE_NUMA} CACHE BOOL \"Project enable numa\" FORCE)" >> cmake.configure
echo "SET(ENABLE_CUDA ${ENABLE_CUDA} CACHE BOOL \"Project enable cuda\" FORCE)" >> cmake.configure
if [ "X${GMSH_DIR}" != "X" ]; then
echo "set(GMSH_INCLUDE_DIR           \"${GMSH_DIR}/include\" CACHE PATH \"root directory\" FORCE)" >> cmake.configure
echo "set(GMSH_LIBRARY_PATH          \"${GMSH_DIR}/lib\" CACHE PATH \"root directory\" FORCE)" >> cmake.configure
fi
if [ "X${_DISABLE_RESEARCH}" != "X" ]; then
echo "option(FEELPP_ENABLE_RESEARCH OFF CACHE PATH \"enable research projects\" FORCE)" >> cmake.configure
fi

# PCH
if [ "X${_WANT_PCH}" = "Xyes" ]; then
    echo "set(FEELPP_ENABLE_PCH ON CACHE PATH \"enable pch \" FORCE)" >> cmake.configure
    echo "set(FEELPP_ENABLE_PCH_APPLICATIONS ON CACHE PATH \"enable pch \" FORCE)" >> cmake.configure
else
    echo "set(FEELPP_ENABLE_PCH OFF CACHE PATH \"disable pch \" FORCE)" >> cmake.configure
    echo "set(FEELPP_ENABLE_PCH_APPLICATIONS OFF CACHE PATH \"disable pch \" FORCE)" >> cmake.configure    
fi

# PYTHON
if [ "X${_WANT_PYTHON}" = "Xyes" ]; then
    echo "set(FEELPP_ENABLE_PYTHON_WRAPPING ON CACHE PATH \"enable python wrapping \" FORCE)" >> cmake.configure
    echo "set(FEELPP_ENABLE_PYTHON ON CACHE PATH \"enable python \" FORCE)" >> cmake.configure
    if [ "X${PYTHON_EXECUTABLE}" != "X" ]; then
        CMAKEFLAGS="${CMAKEFLAGS} -DPYTHON_EXECUTABLE=${PYTHON_EXECUTABLE}"
    fi
else
    echo "set(FEELPP_ENABLE_PYTHON_WRAPPING OFF CACHE PATH \"disable python wrapping \" FORCE)" >> cmake.configure
    echo "set(FEELPP_ENABLE_PYTHON OFF CACHE PATH \"disable python \" FORCE)" >> cmake.configure
fi

# ASAN
if [ "X${_WANT_ASAN}" = "Xno" ]; then
    echo "set(FEELPP_ENABLE_ASAN OFF CACHE PATH \"disable asan \" FORCE)" >> cmake.configure
else
    echo "set(FEELPP_ENABLE_ASAN ON CACHE PATH \"enable asan \" FORCE)" >> cmake.configure
fi

# CLING
if [ "X${_WANT_CLING}" = "Xyes" ]; then
    echo "set(FEELPP_ENABLE_CLING ON CACHE PATH \"enable cling \" FORCE)" >> cmake.configure
else
    echo "set(FEELPP_ENABLE_CLING OFF CACHE PATH \"disable cling \" FORCE)" >> cmake.configure
fi

# TOOLBOXES
if [ "X${_WANT_TOOLBOXES}" = "Xyes" ]; then
    echo "set(FEELPP_ENABLE_TOOLBOXES ON CACHE PATH \"enable Feel++ toolboxes \" FORCE)" >> cmake.configure
else
    echo "set(FEELPP_ENABLE_TOOLBOXES OFF CACHE PATH \"disable Feel++ toolboxes \" FORCE)" >> cmake.configure
fi

# MOR
if [ "X${_WANT_MOR}" = "Xyes" ]; then
    echo "set(FEELPP_ENABLE_MOR ON CACHE PATH \"enable Feel++ mor \" FORCE)" >> cmake.configure
else
    echo "set(FEELPP_ENABLE_MOR OFF CACHE PATH \"disable Feel++ mor \" FORCE)" >> cmake.configure
fi

if [ "X${CXXFLAGS}" != "X" ]; then
    echo "set(CMAKE_CXX_FLAGS_RELEASE \"${CXXFLAGS}\" CACHE STRING \"cxx flags\" FORCE)" >> cmake.configure
    echo "set(CMAKE_CXX_FLAGS_DEBUG \"${CXXFLAGS}\" CACHE STRING \"cxxflags \" FORCE)" >> cmake.configure
fi

# Disable modules
if [ "X${_WANT_DISABLE}" != "X" ]; then
    for _feature in ${_WANT_DISABLE}; do
        feature=$(echo ${_feature} | tr [a-z] [A-Z])
        echo "set(FEELPP_ENABLE_${feature} OFF CACHE PATH \"disable ${feature} \" FORCE)" >> cmake.configure
    done
fi

#if [ "X${_WANT_OG}" != "X" ]; then
#echo "set( CMAKE_CXX_FLAGS_RELEASE \"-Og -DNDEBUG\" CACHE PATH \"CXX Release Flags \" FORCE)" >> cmake.configure
#fi

if [ -f CMakeCache.txt ]; then
  /bin/rm CMakeCache.txt
fi


echo "cmake -Ccmake.configure -G "${GENERATOR}" -DCMAKE_VERBOSE_MAKEFILE:BOOL=${_WANT_VERBOSE} -DCMAKE_BUILD_TYPE:STRING=${BUILDTYPE} ${CMAKEFLAGS} TRUE ${PROJECTSRCROOT}"
cmake -Ccmake.configure -G "${GENERATOR}" -DCMAKE_VERBOSE_MAKEFILE:BOOL=${_WANT_VERBOSE} -DCMAKE_BUILD_TYPE:STRING=${BUILDTYPE} ${CMAKEFLAGS} TRUE ${PROJECTSRCROOT}