cmake_minimum_required(VERSION 3.10.0)
project(ai-box VERSION 0.1.0 LANGUAGES C CXX)
set(CMAKE_CXX_STANDARD 17)

if(NOT DEFINED CMAKE_BUILD_TYPE)
	set(CMAKE_BUILD_TYPE Release)
endif()

set(TARGET_INCLUDE_DIRS cxx)
set(TARGET_LINK_DIRS)
set(TARGET_LINK_LIBS)
set(COMMON_SOURCE_FILES)
set(NODE_SOURCE_FILES)

set(NODE_ADDON_FOUND OFF)

# NodeJS
execute_process(
	COMMAND node ${CMAKE_SOURCE_DIR}/thirdpart/cmake-js-util.js --include
	RESULT_VARIABLE CMAKE_JS_RESULT
	OUTPUT_VARIABLE CMAKE_JS_INC
	OUTPUT_STRIP_TRAILING_WHITESPACE
)
if(CMAKE_JS_RESULT EQUAL 0)
	execute_process(
		COMMAND node ${CMAKE_SOURCE_DIR}/thirdpart/cmake-js-util.js --src
		RESULT_VARIABLE CMAKE_JS_RESULT
		OUTPUT_VARIABLE CMAKE_JS_SRC
		OUTPUT_STRIP_TRAILING_WHITESPACE
	)
	if(CMAKE_JS_RESULT EQUAL 0)
		execute_process(
			COMMAND node ${CMAKE_SOURCE_DIR}/thirdpart/cmake-js-util.js --lib
			RESULT_VARIABLE CMAKE_JS_RESULT
			OUTPUT_VARIABLE CMAKE_JS_LIB
			OUTPUT_STRIP_TRAILING_WHITESPACE
		)
	endif()

	# NAPI
	if(CMAKE_JS_RESULT EQUAL 0)
		execute_process(
			COMMAND node ${CMAKE_SOURCE_DIR}/thirdpart/cmake-js-util.js --napi
			RESULT_VARIABLE CMAKE_JS_RESULT
			OUTPUT_VARIABLE NODE_ADDON_API_DIR
		)
	endif()
	if(CMAKE_JS_RESULT EQUAL 0)
		message(STATUS "CMAKE_JS_INC: ${CMAKE_JS_INC}")
		message(STATUS "CMAKE_JS_SRC: ${CMAKE_JS_SRC}")
		message(STATUS "CMAKE_JS_LIB: ${CMAKE_JS_LIB}")
		message(STATUS "NODE_ADDON_API_DIR: ${NODE_ADDON_API_DIR}")
		list(APPEND TARGET_INCLUDE_DIRS ${CMAKE_JS_INC} ${NODE_ADDON_API_DIR})
		list(APPEND TARGET_LINK_LIBS ${CMAKE_JS_LIB})
		list(APPEND COMMON_SOURCE_FILES ${CMAKE_JS_SRC})
		set(NODE_ADDON_FOUND ON)
	endif()
endif()
if(NOT (CMAKE_JS_RESULT EQUAL 0))
	message(FATAL_ERROR "cmake js config failed")
endif()


function(add_node_targert TARGET_NAME SOURCE_FILES)
	add_library(${TARGET_NAME} SHARED ${CMAKE_JS_SRC} ${SOURCE_FILES})
	target_link_libraries(${TARGET_NAME} ${CMAKE_JS_LIB})
	set_target_properties(${TARGET_NAME} PROPERTIES PREFIX "" SUFFIX ".node")
endfunction()



# MNN
set(MNN_CMAKE_FILE ${CMAKE_SOURCE_DIR}/thirdpart/MNN/${CMAKE_BUILD_TYPE}/config.cmake)
if(EXISTS ${MNN_CMAKE_FILE})
	include(${MNN_CMAKE_FILE})
	message(STATUS "MNN_LIB_DIR: ${MNN_LIB_DIR}")
	message(STATUS "MNN_INCLUDE_DIR: ${MNN_INCLUDE_DIR}")
	message(STATUS "MNN_LIBS: ${MNN_LIBS}")
	include_directories(${MNN_INCLUDE_DIRS})
	list(APPEND TARGET_INCLUDE_DIRS ${MNN_INCLUDE_DIR})
	list(APPEND TARGET_LINK_DIRS ${MNN_LIB_DIR})
	list(APPEND TARGET_LINK_LIBS ${MNN_LIBS})
	add_compile_definitions(USE_MNN)
	set(USE_MNN ON)
else()
	message(WARNING "MNN not found")
endif()

# OpenCV
set(OpenCV_CMAKE_FILE ${CMAKE_SOURCE_DIR}/thirdpart/OpenCV/${CMAKE_BUILD_TYPE}/config.cmake)
if(EXISTS ${OpenCV_CMAKE_FILE})
	include(${OpenCV_CMAKE_FILE})
	message(STATUS "OpenCV_LIB_DIR: ${OpenCV_LIB_DIR}")
	message(STATUS "OpenCV_INCLUDE_DIR: ${OpenCV_INCLUDE_DIR}")
	message(STATUS "OpenCV_LIBS: ${OpenCV_LIBS}")
	include_directories(${OpenCV_INCLUDE_DIRS})

	if(NODE_ADDON_FOUND)
		add_node_targert(cv cxx/cv/node.cc)
		target_link_libraries(cv ${OpenCV_LIBS})
		target_link_directories(cv PUBLIC ${OpenCV_INCLUDE_DIR})
		target_compile_definitions(cv PUBLIC USE_OPENCV)
	endif()

	list(APPEND TARGET_INCLUDE_DIRS ${OpenCV_INCLUDE_DIR})
	list(APPEND TARGET_LINK_DIRS ${OpenCV_LIB_DIR})
	list(APPEND TARGET_LINK_LIBS ${OpenCV_LIBS})
	list(APPEND NODE_SOURCE_FILES cxx/cv/node.cc)
endif()

# OnnxRuntime
set(ONNXRuntime_CMAKE_FILE ${CMAKE_SOURCE_DIR}/thirdpart/ONNXRuntime/config.cmake)
if(EXISTS ${ONNXRuntime_CMAKE_FILE})
	include(${ONNXRuntime_CMAKE_FILE})
	message(STATUS "ONNXRuntime_LIB_DIR: ${ONNXRuntime_LIB_DIR}")
	message(STATUS "ONNXRuntime_INCLUDE_DIR: ${ONNXRuntime_INCLUDE_DIR}")
	message(STATUS "ONNXRuntime_LIBS: ${ONNXRuntime_LIBS}")
	list(APPEND TARGET_INCLUDE_DIRS ${ONNXRuntime_INCLUDE_DIR})
	list(APPEND TARGET_LINK_DIRS ${ONNXRuntime_LIB_DIR})
	list(APPEND TARGET_LINK_LIBS ${ONNXRuntime_LIBS})
	
	if(NODE_ADDON_FOUND)
		add_node_targert(ort cxx/ort/node.cc)
		target_link_libraries(ort ${ONNXRuntime_LIBS})
		target_link_directories(ort PUBLIC ${ONNXRuntime_LIB_DIR})
		target_compile_definitions(ort PUBLIC USE_ONNXRUNTIME)
	endif()

	list(APPEND NODE_SOURCE_FILES 
		cxx/ort/node.cc
	)
else()
	message(WARNING "ONNXRuntime not found")
endif()


include_directories(${TARGET_INCLUDE_DIRS})
link_directories(${TARGET_LINK_DIRS})
add_library(addon SHARED ${COMMON_SOURCE_FILES} ${NODE_SOURCE_FILES} cxx/node.cc)
target_link_libraries(addon ${TARGET_LINK_LIBS})
set_target_properties(addon PROPERTIES PREFIX "" SUFFIX ".node")

# add_executable(test ${COMMON_SOURCE_FILES} cxx/test.cc)
# target_link_libraries(test ${TARGET_LINK_LIBS})

if(MSVC AND CMAKE_JS_NODELIB_DEF AND CMAKE_JS_NODELIB_TARGET)
  execute_process(COMMAND ${CMAKE_AR} /def:${CMAKE_JS_NODELIB_DEF} /out:${CMAKE_JS_NODELIB_TARGET} ${CMAKE_STATIC_LINKER_FLAGS})
endif()