include (ExternalProject)

set(DEPENDENCIES)
set(EXTRA_CMAKE_ARGS)
#------------ASSIMP---------------
list(APPEND DEPENDENCIES assimp)
set(ASSIMP_BUILD_TESTS OFF CACHE INTERNAL "")
set(ASSIMP_BUILD_SAMPLES OFF CACHE INTERNAL "")
set(ASSIMP_BUILD_OVERALLS OFF CACHE INTERNAL "")
set(BUILD_SHARED_LIBS ON CACHE INTERNAL "")

add_subdirectory(${ASSIMP_ROOT} ${ASSIMP_ROOT})
target_compile_definitions(assimp PRIVATE _SILENCE_CXX17_ITERATOR_BASE_CLASS_DEPRECATION_WARNING)
if(WIN32)
	target_compile_options(assimp PRIVATE /WX-)
else()
	target_compile_options(assimp PRIVATE -Wno-error -fPIC)
	target_compile_options(IrrXML PRIVATE -fPIC)
endif()
#-------------BOOST----------------
list(APPEND DEPENDENCIES boost)
if(WIN32)
	set(BOOTSTRAP_EXTENSION bat)
else()
	set(BOOTSTRAP_EXTENSION sh)
endif()
ExternalProject_Add(boost
	SOURCE_DIR ${BOOST_ROOT}
	CONFIGURE_COMMAND ./bootstrap.${BOOTSTRAP_EXTENSION} --with-libraries=serialization,test
	BUILD_COMMAND ./b2 -d0
	BUILD_IN_SOURCE 1
	INSTALL_COMMAND "")

list (APPEND EXTRA_CMAKE_ARGS
	-DBoost_NO_SYSTEM_PATHS=ON)

#-----------------KTX----------------------------
list(APPEND DEPENDENCIES ktx)

find_program(BASH_EXECUTABLE git-bash)

add_subdirectory(${KTX_ROOT} ${KTX_ROOT})

#--------------------JSON------------------
list(APPEND DEPENDENCIES nlohmann_json)
set(JSON_MultipleHeaders ON CACHE INTERNAL "")
set(JSON_BuildTests OFF CACHE INTERNAL "")
set(JSON_Install OFF CACHE INTERNAL "")

add_subdirectory(${JSON_ROOT} ${JSON_ROOT})

#--------------GLFW------------------------------
list(APPEND DEPENDENCIES glfw)
set(ENKITS_BUILD_EXAMPLES OFF CACHE BOOL "Build basic example applications" )
set(GLFW_BUILD_EXAMPLES OFF CACHE BOOL  "GLFW lib only" )
set(GLFW_BUILD_TESTS OFF CACHE BOOL  "GLFW lib only" )
set(GLFW_BUILD_DOCS OFF CACHE BOOL  "GLFW lib only" )
set(GLFW_BUILD_INSTALL OFF CACHE BOOL  "GLFW lib only" )
set(GLFW_VULKAN_STATIC OFF CACHE BOOL "GLFW vulkan static")

add_subdirectory(${GLFW_ROOT} ${GLFW_ROOT})

#--------------SLang------------------------------
list(APPEND DEPENDENCIES slang)
string(TOLOWER release_${CMAKE_PLATFORM} SLANG_CONFIG)
if(WIN32)
ExternalProject_Add(slang
	SOURCE_DIR ${SLANG_ROOT}
	BINARY_DIR ${SLANG_ROOT}
	CONFIGURE_COMMAND ""
	BUILD_COMMAND msbuild slang.sln -p:Configuration=Release -p:Platform=${CMAKE_PLATFORM}
	INSTALL_COMMAND "")
elseif(UNIX)
ExternalProject_Add(slang
	SOURCE_DIR ${SLANG_ROOT}
	BINARY_DIR ${SLANG_ROOT}/lib
	CONFIGURE_COMMAND ${CMAKE_SOURCE_DIR}/premake5 --file=${CMAKE_SOURCE_DIR}/external/slang/premake5.lua gmake2 --build-location=build/linux
	BUILD_COMMAND make -C ${CMAKE_SOURCE_DIR}/external/slang/build/linux config=${SLANG_CONFIG}
	INSTALL_COMMAND "")
endif()


#-----------------SeeleEngine--------------------
ExternalProject_Add(SeeleEngine
	DEPENDS ${DEPENDENCIES}
	SOURCE_DIR ${PROJECT_SOURCE_DIR}
	PREFIX ${CMAKE_BINARY_DIR}
	BINARY_DIR ${CMAKE_BINARY_DIR}
	CMAKE_ARGS -DUSE_SUPERBUILD=OFF ${EXTRA_CMAKE_ARGS}
	INSTALL_COMMAND "")