####################################################################################################
# CMAKE Colors
####################################################################################################
if(NOT WIN32)
	string(ASCII 27 Esc)
	set(ColourReset "${Esc}[m")
	set(ColourBold  "${Esc}[1m")
	set(Red         "${Esc}[31m")
	set(Green       "${Esc}[32m")
	set(Yellow      "${Esc}[33m")
	set(Blue        "${Esc}[34m")
	set(Magenta     "${Esc}[35m")
	set(Cyan        "${Esc}[36m")
	set(White       "${Esc}[37m")
	set(BoldRed     "${Esc}[1;31m")
	set(BoldGreen   "${Esc}[1;32m")
	set(BoldYellow  "${Esc}[1;33m")
	set(BoldBlue    "${Esc}[1;34m")
	set(BoldMagenta "${Esc}[1;35m")
	set(BoldCyan    "${Esc}[1;36m")
	set(BoldWhite   "${Esc}[1;37m")
endif()

####################################################################################################
# Project function for cheking header files source files and generating libraries from them. 
####################################################################################################
#Searching if the given header directory exists if not we brake the compilation
function(projectHeadersCheck)
	foreach(DIR IN LISTS PROJECT_HEADERS_DIR)	
		if(EXISTS ${DIR})
			message("|--> ${DIR} : INCLUDED") 	
		else()
			errorHeaderDirNotFound()
		endif()
	endforeach()
endfunction()

#Searching if the given Source exists if not we brake the compilation
function(projectCheckSourcesCheck)
	foreach(DIR IN LISTS PROJECT_SOURCES_DIR)	
		if(EXISTS ${DIR})
			message("|--> ${DIR} : INCLUDED") 	
		else()
			errorSourceDirNotFound()
		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(DIR IN LISTS PROJECT_SOURCES_DIR)	
		if(EXISTS ${DIR})
			if(EXISTS ${DIR}/${alias}.${PL}) #For each directory we chanek if the given source file exitst
				message("|-->${alias}.${PL} FOUND in : ${DIR}")
				message(" |-> Creating sub::${alias}.${PL} library submodule")
				add_library(${alias}_submodule ${DIR}/${alias}.${PL})
				target_compile_options(${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 ${DIR} : NOT FOUND") 	
		endif()
	endforeach()
endfunction()

####################################################################################################
# Peripheral function for generating libraries from them. 
####################################################################################################
function(addPeripheral alias _currentPripheral)	
	if(EXISTS ${CSL_SOURCES}/imp_${alias}.${PL})    # Checks if the desired peripheral is implemented for the desired CSL.
		message(" --> Peripheral: ${alias} = FOUND")
		message("  |-> Drirectory: ${CSL_SOURCES}/imp_${alias}.${PL}")
		if(EXISTS ${PERIFERALS_DIR}/${alias}.${PL}) # Cheks if generic funtions are awailable. this is useful for standars as SPI i2c etc...
			message(" --> Generic Library ${alias}.${PL} for imp_${alias}.${PL} = FOUND")
			message("  |-> DIRECTORY: ${PERIFERALS_DIR}/${alias}.${PL}")
			add_library(${alias}_submodule ${PERIFERALS_DIR}/${alias}.${PL} ${CSL_SOURCES}/imp_${alias}.${PL})
		else()
			add_library(${alias}_submodule ${CSL_SOURCES}/imp_${alias}.${PL})
		endif()

		target_compile_options(${alias}_submodule PRIVATE ${C_FLAGS})
		target_compile_definitions(${alias}_submodule PRIVATE ${C_DEFS})
		target_include_directories(${alias}_submodule PUBLIC ${PERIFERALS_DIR} ${CSL_INCLUDES} ${DRIVER_HEADERS_LIST})
		add_library(sub::${alias} ALIAS ${alias}_submodule)
		set(${_currentPripheral} sub::${alias} PARENT_SCOPE)

	else ()
		message("${BoldRed}")
		message(FATAL_ERROR "\nThe Included ${alias} peripheral was NOT found ### COMPILATION ABORTED ###\n")
		message("${ColourReset}")
	endif()
endfunction()

####################################################################################################
# Driver function for generating libraries from them. 
####################################################################################################
function(addDriver alias _currentDriver)	
	if(EXISTS ${DRIVERS_DIR}/${alias} )    # Checks if the desired peripheral is implemented for the desired CSL.
		message(" --> Driver directory : ${DRIVERS_DIR}/${alias} = FOUND")
		if(EXISTS ${DRIVERS_DIR}/${alias}/${alias}.${PL})
			message("  |-> Source File : ${DRIVERS_DIR}/${alias}/${alias}.${PL} = FOUND")
			if(EXISTS ${DRIVERS_DIR}/${alias}/${alias}.h)
				message("  |-> Header File : ${DRIVERS_DIR}/${alias}/${alias}.h = FOUND")
				add_library(${alias}_submodule ${DRIVERS_DIR}/${alias}/${alias}.${PL})
				target_compile_options(${alias}_submodule PRIVATE ${C_FLAGS})
				target_compile_definitions(${alias}_submodule PRIVATE ${C_DEFS})
				target_include_directories(${alias}_submodule PUBLIC ${PERIFERALS_DIR} ${CSL_INCLUDES} ${DRIVER_HEADERS_LIST})
				add_library(sub::${alias} ALIAS ${alias}_submodule)
				set(${_currentDriver} sub::${alias} PARENT_SCOPE)
			else ()
				message("${BoldRed}")
				message(FATAL_ERROR "\nThe Included ${alias} Driver's Header file  was NOT found ### COMPILATION ABORTED ###\n")
				message("${ColourReset}")
			endif()
		else ()
			message("${BoldRed}")
			message(FATAL_ERROR "\nThe Included ${alias} Driver's Source file  was NOT found ### COMPILATION ABORTED ###\n")
			message("${ColourReset}")
		endif()
	else ()
		message("${BoldRed}")
		message(FATAL_ERROR "\nThe Included ${alias} Driver was NOT found ### COMPILATION ABORTED ###\n")
		message("${ColourReset}")
	endif()
endfunction()

function(addDriverHeader alias _currentDriverHeader)	
	if(EXISTS ${DRIVERS_DIR}/${alias} )    # Checks if the desired peripheral is implemented for the desired CSL.
		message(" --> Driver directory : ${DRIVERS_DIR}/${alias} = FOUND")
		if(EXISTS ${DRIVERS_DIR}/${alias}/${alias}.${PL})
			message("  |-> Source File : ${DRIVERS_DIR}/${alias}/${alias}.${PL} = FOUND")
			if(EXISTS ${DRIVERS_DIR}/${alias}/${alias}.h)
				message("  |-> Header File : ${DRIVERS_DIR}/${alias}/${alias}.h = FOUND")
				set(${_currentDriverHeader} ${DRIVERS_DIR}/${alias} PARENT_SCOPE)

			else ()
				message("${BoldRed}")
				message(FATAL_ERROR "\nThe Included ${alias} Driver's Header file  was NOT found ### COMPILATION ABORTED ###\n")
				message("${ColourReset}")
			endif()
		else ()
			message("${BoldRed}")
			message(FATAL_ERROR "\nThe Included ${alias} Driver's Source file  was NOT found ### COMPILATION ABORTED ###\n")
			message("${ColourReset}")
		endif()
	else ()
		message("${BoldRed}")
		message(FATAL_ERROR "\nThe Included ${alias} Driver was NOT found ### COMPILATION ABORTED ###\n")
		message("${ColourReset}")
	endif()
endfunction()