#Declareing header directory for the project
#To add a new directory 
# -> list(APPEND PROJECT_HEADERS_DIR ${PROJECT_DIR}/YOUR_DESIRED_DIRECTORY)	
# list()				= List declaration "DON'T CHANGE"
# PROJECT_HEADERS_DIR	= Variable containing the listed direcotries "DON'T CHANCE
# ${PROJECT_DIR}		= Direcotry of the main project this is per default the current direcotry it is defined in ked/CMakeLists.txt 
list(APPEND PROJECT_HEADERS_DIR ${PROJECT_DIR}/headers)	

#Declaring sources directory for the project
#To add a new directory 
# -> list(APPEND PROJECT_SOURCES_DIR ${PROJECT_DIR}/YOUR_DESIRED_DIRECTORY)	
# list()				= List declaration "DON'T CHANGE"
# PROJECT_SOURCES_DIR	= Variable containing the listed direcotries "DON'T CHANCE
# ${PROJECT_DIR}		= Direcotry of the main project this is per default the current direcotry it is defined in ked/CMakeLists.txt 
list(APPEND PROJECT_SOURCES_DIR ${PROJECT_DIR}/src)
list(APPEND PROJECT_SOURCES_DIR ${PROJECT_DIR}/sensors)

#Declaring sources to be compiled for the project. 
#CMake will look in each previsouly declarec sources directory until to find this files. 
set(PROJECT_SOURCES_DIR_LIST uartComm.c sensor.c)

#Searching if the given header directory exists if not we brake the compilation
function(projectHeadersCheck)
	foreach(X IN LISTS PROJECT_HEADERS_DIR)	
		if(EXISTS ${X})
			message("|--> ${X} : INCLUDED") 	
		else()
			message(FATAL_ERROR "Header directory ${X} : NOT FOUND") 	
		endif()
	endforeach()
endfunction()

#Searching if the given Source exists if not we brake the compilation
function(projectCheckSourcesCheck)
	foreach(X IN LISTS PROJECT_SOURCES_DIR)	
		if(EXISTS ${X})
			message("|--> ${X} : INCLUDED") 	
		else()
			message(FATAL_ERROR "Source directory ${X} : NOT FOUND") 	
		endif()
	endforeach()
endfunction()

#Searching each sources directory to find the desired source file and generate a libaray submodule for the linker
function(projectAddItem	alias _currentItem)	
	foreach(X IN LISTS PROJECT_SOURCES_DIR)	
		if(EXISTS ${X})
			if(EXISTS ${X}/${alias}) #For each directory we chanek if the given source file exitst
				message("|-->${alias} FOUND in : ${X}")
				message(" |-> Creating sub::${alias} library submodule")
				add_library(${alias}_submodule ${X}/${alias})
				target_compile_options(${alias}_submodule PRIVATE ${C_FLAGS})
				target_compile_definitions(${alias}_submodule PRIVATE ${C_DEFS})
				target_include_directories(${alias}_submodule PUBLIC ${PROJECT_HEADERS_DIR} ${PERIFERALS_DIR} ${CSL_INCLUDES})
				add_library(sub::${alias} ALIAS ${alias}_submodule)
				set(${_currentItem} sub::${alias} PARENT_SCOPE)
			endif()
		else()
			message(FATAL_ERROR "Source directory ${X} : NOT FOUND") 	
		endif()
	endforeach()
endfunction()