#  Copyright (C) 2012-2013 EDF
#
#  This file is part of SALOME HYDRO module.
#
#  SALOME HYDRO module 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.
#
#  SALOME HYDRO module 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 SALOME HYDRO module.  If not, see <http://www.gnu.org/licenses/>.

ADD_SUBDIRECTORY(eficas)

# --- Python files ---

SET(PYFILES
  __init__.py
  polygon.py
)

SET(INSTALL_DIR ${SALOME_INSTALL_PYTHON}/salome/hydro/telemac2d)

# --- rules ---

SALOME_INSTALL_SCRIPTS("${PYFILES}" ${INSTALL_DIR})

# This macro is used to transform the list of libraries against which the
# module is linked into a list of linker flags (-L and -l). If we just use the
# list of libraries in the linker command, the full path of the libraries is
# registered in the module dependencies, so it doesn't work when the installation
# is moved.
MACRO(LIB_LIST_TO_LINKER_FLAGS LINKER_FLAGS_VAR LIB_LIST)
  SET(${LINKER_FLAGS_VAR})
  FOREACH(LIB ${LIB_LIST})
    GET_FILENAME_COMPONENT(DIRNAME ${LIB} PATH)
    # Get the library filename without the shortest extension. We can't use
    # command GET_FILENAME_COMPONENT with option NAME_WE because it returns
    # the filename without the longest extension. For example, we need to get
    # "libpython2.7" from "libpython2.7.so" and not "libpython2".
    GET_FILENAME_COMPONENT(LIBFILENAME ${LIB} NAME)
    STRING(FIND ${LIBFILENAME} "." DOTPOS REVERSE)
    STRING(SUBSTRING ${LIBFILENAME} 0 ${DOTPOS} FILENAME_WO_EXT)
    STRING(SUBSTRING ${FILENAME_WO_EXT} 3 -1 LIBNAME)
    LIST(APPEND ${LINKER_FLAGS_VAR} "-L${DIRNAME}" "-l${LIBNAME}")
  ENDFOREACH(LIB ${LIB_LIST})
ENDMACRO(LIB_LIST_TO_LINKER_FLAGS)

SET (MEDFILE_LIBRARIES ${MEDFILE_ROOT_DIR}/lib/libmedC.so)
LIB_LIST_TO_LINKER_FLAGS(LINKER_FLAGS "${TELEMAC_LIBRARIES};${HDF5_hdf5_LIBRARY};${MEDFILE_LIBRARIES};${PYTHON_LIBRARY}")

# Python wrapping for Telemac2D created with f2py
SET(T2D_WRAP_API_LIB _apit2d.so)
SET(T2D_WRAP_API_PYF_FILE apit2d.pyf)
SET(T2D_WRAP_API_SRC_FILES ${TELEMAC_API_SRC_DIR}/api_handle_var_t2d.f90
                           ${TELEMAC_API_SRC_DIR}/api_interface_t2d.f90
                           ${TELEMAC_API_SRC_DIR}/api_handle_error_t2d.f90)

# This sed string is used to add necessary definitions to the pyf file
SET(SEDSTRING "s:python module _apit2d ! in:python module _apit2d ! in\\nusercode '''const int nb_var_t2d=100\\;\\n''':")

ADD_CUSTOM_COMMAND(OUTPUT ${T2D_WRAP_API_LIB}
                   COMMAND f2py -c ${T2D_WRAP_API_PYF_FILE} -I${TELEMAC_INCLUDE_DIR} ${LINKER_FLAGS}
                   MAIN_DEPENDENCY ${T2D_WRAP_API_PYF_FILE}
                  )

ADD_CUSTOM_COMMAND(OUTPUT ${T2D_WRAP_API_PYF_FILE}
                   COMMAND f2py -h ${T2D_WRAP_API_PYF_FILE} -m _apit2d ${T2D_WRAP_API_SRC_FILES}
                           skip: get_boolean_t2d_d get_double_t2d_d get_integer_t2d_d get_string_t2d_d get_var_size_t2d_d
                                 set_boolean_t2d_d set_double_t2d_d set_integer_t2d_d set_string_t2d_d :
                   COMMAND sed -i -e \"${SEDSTRING}\" ${T2D_WRAP_API_PYF_FILE}
                   MAIN_DEPENDENCY ${T2D_WRAP_API_SRC_FILES}
                  )

ADD_CUSTOM_TARGET(BUILD_T2D_WRAP_API_LIB ALL DEPENDS ${T2D_WRAP_API_LIB})
INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/${T2D_WRAP_API_LIB} DESTINATION ${INSTALL_DIR})