set(MODULE_NAME "comms")
project(mvsim-${MODULE_NAME} LANGUAGES CXX VERSION ${MVSIM_VERSION})

file(GLOB Comms_SRCS
	"${CMAKE_CURRENT_SOURCE_DIR}/src/Comms/*.cpp"
	"${CMAKE_CURRENT_SOURCE_DIR}/include/mvsim/Comms/*.h"
)

# Declare the target (a library)
add_library(${PROJECT_NAME}
	${Comms_SRCS}
)
mvsim_set_target_build_options(${PROJECT_NAME})

source_group(Comms FILES ${Comms_SRCS})

set(PACKAGE_DEPENDENCIES
  mrpt-system
  mrpt-io
  mrpt-serialization
  mvsim-msgs
  )
mvsim_common_target_settings(${MODULE_NAME})

target_link_libraries(${PROJECT_NAME}
 PRIVATE
	${CMAKE_THREAD_LIBS_INIT}
	${ZeroMQ_LIBRARY}
 PUBLIC
	${Protobuf_LIBRARIES}
	mrpt::system
	mrpt::io
	mrpt::serialization
	mvsim::msgs
)

# =========== Python wrapper ==================
if (MVSIM_WITH_PYTHON)
  # Different versions of pybind11 required different generated-sources:
  string(REGEX MATCH "^([0-9]+)\\.([0-9]+)\\.([0-9]+)" PYBIND11_VERSION_MATCH ${pybind11_VERSION})
  set(PYBIND11_MAJOR_VERSION ${CMAKE_MATCH_1})
  set(PYBIND11_MINOR_VERSION ${CMAKE_MATCH_2})
  set(PYBIND11_PATCH_VERSION ${CMAKE_MATCH_3})

  if ($ENV{VERBOSE})
    message(STATUS "PYBIND11_VERSION         : ${PYBIND11_MAJOR_VERSION}.${PYBIND11_MINOR_VERSION}.${PYBIND11_PATCH_VERSION}")
  endif()

  set(PY_SRCS_DIR ${CMAKE_CURRENT_LIST_DIR}/python/generated-sources-pybind)

  if (NOT EXISTS ${PY_SRCS_DIR})
	message(WARNING "Skipping python wrapper due to missing wrapper C++ files for especific pybind11 version ${PYBIND11_MM_VERSION}: expected directory '${PY_SRCS_DIR}'")
  else()
	file(GLOB_RECURSE PY_SRCS ${PY_SRCS_DIR}/*.cpp)

	pybind11_add_module(pymvsim_${MODULE_NAME}
		${PY_SRCS}
		)
	target_link_libraries(pymvsim_${MODULE_NAME} PUBLIC ${PROJECT_NAME})
	target_compile_definitions(pymvsim_${MODULE_NAME} PRIVATE 
		PYBIND11_MAJOR_VERSION=${PYBIND11_MAJOR_VERSION}
		PYBIND11_MINOR_VERSION=${PYBIND11_MINOR_VERSION}
		PYBIND11_PATCH_VERSION=${PYBIND11_PATCH_VERSION}
		)

	# Python files:
	file(MAKE_DIRECTORY ${MVSIM_PYTHON_BUILD_DIRECTORY}/mvsim_${MODULE_NAME}/)
	add_custom_command(TARGET pymvsim_${MODULE_NAME} POST_BUILD
		COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_FILE:pymvsim_${MODULE_NAME}>
		${MVSIM_PYTHON_BUILD_DIRECTORY}/mvsim_${MODULE_NAME}/
	)
	file(WRITE ${MVSIM_PYTHON_BUILD_DIRECTORY}/mvsim_${MODULE_NAME}/__init__.py
		"from . import *")
  endif()

endif()