find_package(Sphinx REQUIRED)

file(COPY ${PROJECT_SOURCE_DIR}/doc DESTINATION ${PROJECT_BINARY_DIR})

function(generate_rst in out)
  add_custom_command(OUTPUT ${out}
                     DEPENDS ${PROJECT_SOURCE_DIR}/tools/c2rst.py ${in}
                     PRE_BUILD
                     COMMAND ${PYTHON_EXECUTABLE} ${PROJECT_SOURCE_DIR}/tools/c2rst.py ${in} ${out})
endfunction()

generate_rst(${PROJECT_SOURCE_DIR}/include/ua_types.h ${PROJECT_BINARY_DIR}/doc/types.rst)

add_custom_target(doc_latex ${SPHINX_EXECUTABLE}
  -b latex -c "${PROJECT_BINARY_DIR}/doc" "${PROJECT_BINARY_DIR}/doc" "${PROJECT_BINARY_DIR}/doc_latex"
  DEPENDS ${PROJECT_BINARY_DIR}/doc/types.rst
  COMMENT "Building LaTeX sources for documentation with Sphinx")
add_custom_target(doc ${SPHINX_EXECUTABLE}
  -b html -c "${PROJECT_BINARY_DIR}/doc" "${PROJECT_BINARY_DIR}/doc" "${PROJECT_BINARY_DIR}/doc_html"
  COMMAND ${CMAKE_COMMAND} -E copy "${PROJECT_BINARY_DIR}/doc/open62541_html.png" "${PROJECT_BINARY_DIR}/doc_html/_static/"
  DEPENDS ${PROJECT_BINARY_DIR}/doc/types.rst
  COMMENT "Building HTML documentation with Sphinx")