# Copyright (C) 2012-2015  CEA/DEN, EDF R&D
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
#
# See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
#

CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/conf.py.in ${CMAKE_CURRENT_BINARY_DIR}/conf.py)

MACRO(MEDCOUPLING_EXTEND_ENVIRONMENT_VARIABLE output envvar values)
  SET(_env)
  FOREACH(_val ${values})
    IF(${envvar} STREQUAL "PATH" OR ${envvar} STREQUAL "LD_LIBRARY_PATH")
      IF(NOT IS_DIRECTORY ${_val})
        GET_FILENAME_COMPONENT(_val "${_val}" PATH)
      ENDIF()
    ENDIF()
    IF(WIN32)
      IF(${envvar} STREQUAL "LD_LIBRARY_PATH")
        SET(envvar PATH)
      ENDIF()
      STRING(REPLACE "/" "\\" _env "${_env} @SET ${envvar}=${_val};%${envvar}%\n")
    ELSE(WIN32)
      SET(_env "${_env} export ${envvar}=${_val}:\${${envvar}}\n")
    ENDIF(WIN32)
  ENDFOREACH(_val)
  SET(${output} "${${output}} ${_env}")
ENDMACRO(MEDCOUPLING_EXTEND_ENVIRONMENT_VARIABLE envvar values)


SET(SETUPTOOLS_PATH $ENV{SETUPTOOLS_ROOT_DIR}/bin)
SET(SETUPTOOLS_PYTHONPATH $ENV{SETUPTOOLS_ROOT_DIR}/lib/python${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}/site-packages)

SET(DOCUTILS_PATH $ENV{DOCUTILS_ROOT_DIR}/bin)
SET(DOCUTILS_PYTHONPATH $ENV{DOCUTILS_ROOT_DIR}/lib/python${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}/site-packages)

SET(PKGCONFIG_PYTHONPATH $ENV{PKGCONFIG_ROOT_DIR}/lib/python${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}/site-packages)


SET(build_env)

#SET(_variables ${SPHINX_EXECUTABLE} ${SPHINX_APIDOC_EXECUTABLE} ${PYTHON_EXECUTABLE} ${GRAPHVIZ_EXECUTABLE} ${SETUPTOOLS_PATH} ${DOCUTILS_PATH})
#MEDCOUPLING_EXTEND_ENVIRONMENT_VARIABLE(build_env "PATH" "${_variables}")

#SET(_variables ${SPHINX_PYTHONPATH} ${PYTHON_PYTHONPATH} ${SETUPTOOLS_PYTHONPATH} ${DOCUTILS_PYTHONPATH} ${PKGCONFIG_PYTHONPATH})
SET(_variables ${SPHINX_PYTHONPATH} ${SETUPTOOLS_PYTHONPATH} ${PKGCONFIG_PYTHONPATH} ${DOCUTILS_PYTHONPATH})
MEDCOUPLING_EXTEND_ENVIRONMENT_VARIABLE(build_env "PYTHONPATH" "${_variables}")

#SET(_variables ${PYTHON_LIBRARIES} ${GRAPHVIZ_LIBRARIES})
SET(_variables ${PYTHON_LIBRARIES})
MEDCOUPLING_EXTEND_ENVIRONMENT_VARIABLE(build_env "LD_LIBRARY_PATH" "${_variables}")

IF(WIN32)
  SET(_ext "bat")
  SET(_call_cmd "call")
ELSE()
  SET(_ext "sh")
  SET(_call_cmd ".")
ENDIF()


SET(_cmd_options -c ${CMAKE_CURRENT_BINARY_DIR} -b html -d doctrees -D latex_paper_size=a4 ${CMAKE_CURRENT_SOURCE_DIR} html)
SET(_cmd ${SPHINX_EXECUTABLE} ${_cmd_options})

SET(_script ${CMAKE_CURRENT_BINARY_DIR}/env_script.${_ext})

FILE(WRITE ${_script} "${build_env}")
SET(make_doc ${_call_cmd} ${_script} && ${_cmd})


ADD_CUSTOM_TARGET(tutorial_doc COMMAND ${make_doc})
ADD_DEPENDENCIES(usr_docs tutorial_doc)

#INSTALL(CODE "EXECUTE_PROCESS(COMMAND \"${CMAKE_COMMAND}\" --build ${PROJECT_BINARY_DIR} --target tutorial_doc)")
INSTALL(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/html/ DESTINATION ${MEDCOUPLING_INSTALL_DOC}/tutorial)
INSTALL(DIRECTORY images/ DESTINATION ${MEDCOUPLING_INSTALL_DOC}/tutorial/images)
INSTALL(DIRECTORY data/ DESTINATION ${MEDCOUPLING_INSTALL_DOC}/tutorial/data)

SET(make_clean_files html doctrees)
SET_DIRECTORY_PROPERTIES(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES "${make_clean_files}")