find_package(Doxygen REQUIRED)
find_package(Sphinx REQUIRED)

#Doxygen
set(DOXYGEN_IN ${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile.in)
set(DOXYGEN_OUT ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile)
configure_file(${DOXYGEN_IN} ${DOXYGEN_OUT} @ONLY)

#Sphinx
set(SPHINX_SOURCE ${CMAKE_CURRENT_SOURCE_DIR}/src)
set(SPHINX_BUILD ${CMAKE_CURRENT_BINARY_DIR})

set(SPHINX_SOURCE_FILES
  src/index.rst
  src/NDArray.rst
  src/NDView.rst
  src/File.rst
  src/Frame.rst
  src/Dtype.rst
  src/ClusterFinder.rst
  src/Pedestal.rst
  src/VarClusterFinder.rst
  src/pyVarClusterFinder.rst
  src/pyFile.rst
)

foreach(filename ${SPHINX_SOURCE_FILES})
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/${filename} 
              "${SPHINX_BUILD}/${filename}")
endforeach(filename ${SPHINX_SOURCE_FILES})

configure_file(
    "${CMAKE_CURRENT_SOURCE_DIR}/conf.py.in"
    "${SPHINX_BUILD}/conf.py"
    @ONLY
)


configure_file(
    "${CMAKE_CURRENT_SOURCE_DIR}/static/extra.css"
    "${SPHINX_BUILD}/static/css/extra.css"
    @ONLY
)

add_custom_target(
    docs
    COMMAND ${DOXYGEN_EXECUTABLE} ${DOXYGEN_OUT}
    COMMAND ${SPHINX_EXECUTABLE} -a -b html
    -Dbreathe_projects.aare=${CMAKE_CURRENT_BINARY_DIR}/xml
    -c "${SPHINX_BUILD}"
    ${SPHINX_BUILD}/src 
    ${SPHINX_BUILD}/html
    COMMENT "Generating documentation with Sphinx"
)

add_custom_target(
    rst
    COMMAND ${SPHINX_EXECUTABLE} -a -b html
    -Dbreathe_projects.aare=${CMAKE_CURRENT_BINARY_DIR}/xml
    -c "${SPHINX_BUILD}"
    ${SPHINX_BUILD}/src 
    ${SPHINX_BUILD}/html
    COMMENT "Generating documentation with Sphinx"
)