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# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.

celix_subproject(CELIX_DFI "Option to enable building the dynamic function interface library" ON)
if (CELIX_DFI)
	find_package(libffi REQUIRED)
	find_package(jansson REQUIRED)

	set(SOURCES
			src/dyn_common.c
			src/dyn_type_common.c
			src/dyn_type.c
            src/dyn_function.c
			src/dyn_interface.c
			src/dyn_message.c
			src/json_serializer.c
			src/json_rpc.c
			src/dyn_descriptor.c
	)

	add_library(dfi SHARED ${SOURCES})
	target_include_directories(dfi PUBLIC
			$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/include>
			$<INSTALL_INTERFACE:include/celix/dfi>
			PRIVATE ${CMAKE_CURRENT_LIST_DIR}/src)
	target_link_libraries(dfi PRIVATE libffi::libffi)
	target_link_libraries(dfi PUBLIC jansson::jansson Celix::utils)##The public header file(dyn_interface.h) Celix::utils(celix_version.h)
	set_target_properties(dfi PROPERTIES
			C_VISIBILITY_PRESET hidden
			VERSION "1.4.0"
			"SOVERSION" 1
			OUTPUT_NAME "celix_dfi")

	generate_export_header(dfi
			BASE_NAME "CELIX_DFI"
			EXPORT_FILE_NAME "${CMAKE_BINARY_DIR}/celix/gen/includes/dfi/celix_dfi_export.h")
	target_include_directories(dfi PUBLIC $<BUILD_INTERFACE:${CMAKE_BINARY_DIR}/celix/gen/includes/dfi>)

	install(TARGETS dfi EXPORT celix DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT dfi
			INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/celix/dfi)
	install(DIRECTORY include/ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/celix/dfi COMPONENT dfi)
	install(DIRECTORY ${CMAKE_BINARY_DIR}/celix/gen/includes/dfi/ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/celix/dfi COMPONENT dfi)

	#Alias setup to match external usage
	add_library(Celix::dfi ALIAS dfi)

	if (ENABLE_TESTING AND EI_TESTS)
		add_subdirectory(error_injector)
	endif ()
	if (ENABLE_TESTING)
		add_library(dfi_cut STATIC ${SOURCES})
		target_compile_definitions(dfi_cut PUBLIC CELIX_DFI_STATIC_DEFINE)
		target_include_directories(dfi_cut PUBLIC
				${CMAKE_CURRENT_LIST_DIR}/src
				${CMAKE_CURRENT_LIST_DIR}/include
				${CMAKE_BINARY_DIR}/celix/gen/includes/dfi
				)
		target_link_libraries(dfi_cut PUBLIC libffi::libffi jansson::jansson Celix::utils)
		add_subdirectory(gtest)
	endif(ENABLE_TESTING)
endif (CELIX_DFI)