###  TEMPLATE.txt.tpl; coding: utf-8 ---
#  Author(s): Christophe Prud'homme <christophe.prudhomme@feelpp.org>
#       Date: 2013-02-18
#
#  Copyright (C) 2013-2015 Feel++ Consortium
#
# Distributed under the GPL(GNU Public License):
# This program 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 2 of the License, or
# (at your option) any later version.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
#

# Set to "ON" if you want the LaTeX documentation to be built.
set(DOXYFILE_LATEX 1)

if( FEELPP_ENABLE_DOXYGEN )

  find_program(DOXYGEN doxygen)
  if( DOXYGEN )

    ## We extract the cmake option for the documentation
    execute_process(
      COMMAND
      /bin/bash ${CMAKE_CURRENT_SOURCE_DIR}/extract_command.sh ${CMAKE_SOURCE_DIR}
      OUTPUT_VARIABLE FEELPP_ENABLE_LISTE
    )
    # doxygen is optional
    include(UseDoxygen OPTIONAL)

    # make sure that doxygen is not run byt default
    set_target_properties(doxygen PROPERTIES EXCLUDE_FROM_ALL TRUE)

    # add subpages to projects/modules
    #configure_file(
    #  ${CMAKE_CURRENT_SOURCE_DIR}/pages.doc.in
    #  ${CMAKE_CURRENT_SOURCE_DIR}/pages.doc
    #)

    set(FEELPP_PROJECTS_DIR,"")
    set(FEELPP_DOXYGEN_PROJECT "OFF")
    # if projects have been detected
    foreach(project ${projects})
      #get shortname
      GET_FILENAME_COMPONENT(dirname ${project} NAME)

      #define option to control doc generation
      string(TOUPPER ${dirname} PROJECT)
      if (FEELPP_ENABLE_${PROJECT}_DOCUMENTATION )
        set(FEELPP_DOXYGEN_PROJECT "ON")
      endif()
    endforeach()

    if(${FEELPP_DOXYGEN_PROJECT})
      FILE(APPEND ${CMAKE_CURRENT_SOURCE_DIR}/pages.md "\\page Project Project\n")
    endif()

    foreach(project ${projects})
      #get shortname
      GET_FILENAME_COMPONENT(dirname ${project} NAME)

      #define option to control doc generation
      string(TOUPPER ${dirname} PROJECT)
      if (FEELPP_ENABLE_${PROJECT}_DOCUMENTATION )
        set(FEELPP_PROJECTS_DIR ${FEELPP_PROJECTS_DIR} "\"${CMAKE_SOURCE_DIR}/research/${project}/\" \\ \n")
        FILE(APPEND ${CMAKE_CURRENT_SOURCE_DIR}/pages.md "   - \\subpage ${dirname}\n")
        MESSAGE(STATUS "Doxygen Documention for ${project} will be generated")
      endif()
    endforeach()
    FILE(APPEND ${CMAKE_CURRENT_SOURCE_DIR}/pages.md "\n")

    #set(FEELPP_PROJECTS_DIR ${FEELPP_PROJECTS_DIR} "\"\" \n") #force empty directory
    STRING(REPLACE ";" " " _TMP_STR "${FEELPP_PROJECTS_DIR}")
    SET(FEELPP_PROJECTS_DIR "${_TMP_STR}")

    FILE(APPEND ${CMAKE_CURRENT_SOURCE_DIR}/pages.md "\n\n")

    #
    configure_file(
      ${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile.in
      ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile
    )

    configure_file(
      ${CMAKE_CURRENT_SOURCE_DIR}/latexheader.tex.in
      ${CMAKE_CURRENT_BINARY_DIR}/latexheader.tex
    )
    file(GLOB LOGOS "${CMAKE_CURRENT_SOURCE_DIR}/pngs/logos/*")
    file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/html)
    foreach(logo ${LOGOS})
      GET_FILENAME_COMPONENT(logoname ${logo} NAME)
      configure_file( ${logo} "${CMAKE_CURRENT_BINARY_DIR}/html/${logoname}" COPYONLY)
    endforeach()
  else()
      message(FATAL_ERROR "The Doxygen documentation is enabled, but the doxygen executable was not found. Make sure it is installed and accessible using find_program(...).")
  endif()
endif()