include(CMakeParseArguments)

cmake_policy(PUSH)
cmake_policy(SET CMP0012 NEW)

function(add_application name)

	set(options DEBUGBREAK CONSOLE CARBON CLASSIC)
	set(oneValueArgs TYPE CREATOR)
	set(multiValueArgs FILES MAKEAPPL_ARGS)

	cmake_parse_arguments(ARGS "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN} )

	list(APPEND ARGS_FILES ${ARGS_UNPARSED_ARGUMENTS})

	set(REZ_FLAGS)
	if(CMAKE_SYSTEM_NAME MATCHES RetroPPC OR CMAKE_SYSTEM_NAME MATCHES RetroCarbon)
		if((CMAKE_SYSTEM_NAME MATCHES RetroCarbon OR ARGS_CARBON) AND NOT ARGS_CLASSIC)
			set(REZ_FLAGS -DTARGET_API_MAC_CARBON=1)
		endif()
	endif()
	
	set(files)
	set(rsrc_files)
	set(rez_files)
	foreach(f ${ARGS_FILES})
		if(${f} MATCHES "\\.r$")
			add_custom_command(
				OUTPUT ${f}.rsrc.bin
				COMMAND ${REZ} ${REZ_FLAGS} ${CMAKE_CURRENT_SOURCE_DIR}/${f} -I ${REZ_INCLUDE_PATH} -o ${f}.rsrc.bin
                DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${f})
            list(APPEND rsrc_files "${CMAKE_CURRENT_BINARY_DIR}/${f}.rsrc.bin")
			list(APPEND rez_files "${f}")
		elseif(${f} MATCHES "\\.rsrc$")
            get_filename_component(abspath "${f}" ABSOLUTE)
            list(APPEND rsrc_files "${abspath}")
		elseif(${f} MATCHES "\\.rsrc.bin$")
            get_filename_component(abspath "${f}" ABSOLUTE)
            list(APPEND rsrc_files "${abspath}")
        else()
            get_filename_component(abspath "${f}" ABSOLUTE)
            list(APPEND files "${abspath}")
		endif()
	endforeach()

	add_executable(${name} ${files} ${rez_files})

	if(${ARGS_DEBUGBREAK})
		list(APPEND ARGS_MAKEAPPL_ARGS -DBREAK_ON_ENTRY)
	endif()
	if(${ARGS_CONSOLE})
		target_link_libraries(${name} RetroConsole)
		
			# RetroConsole library uses C++:
		set_target_properties(${name} PROPERTIES LINKER_LANGUAGE CXX)
	endif()

    foreach(f ${rsrc_files})
            # DO NOT add --copy here.
            # The files in rsrc_files are guaranteed to be .rsrc or .rsrc.bin, so they
            # will be recognized by Rez.
            # Currently, the --copy flag has the side effect that Rez processes all --copy inputs
            # before other inputs, so this messes up the overriding mechanics, leading to the wrong SIZE resource
            # being included. (duplicate resources shouldn't be replaced silently, and overriding should be explicit...)
		list(APPEND ARGS_MAKEAPPL_ARGS "${f}")
	endforeach()

	if(NOT ARGS_TYPE)
		set(ARGS_TYPE "APPL")
	endif()
	if(NOT ARGS_CREATOR)
		set(ARGS_CREATOR "????")
	endif()


	if(TARGET libretro)
		set_target_properties(${name} PROPERTIES LINK_DEPENDS libretro)
	endif(TARGET libretro)

	if(CMAKE_SYSTEM_NAME MATCHES Retro68)

		set_target_properties(${name} PROPERTIES OUTPUT_NAME ${name}.code.bin)

		add_custom_command(
			OUTPUT ${name}.bin ${name}.APPL ${name}.dsk ${name}.ad "%${name}.ad"
			COMMAND ${REZ} ${REZ_FLAGS}
					${REZ_TEMPLATES_PATH}/Retro68APPL.r
					-I${REZ_INCLUDE_PATH}
					--copy "${name}.code.bin"
					-o "${name}.bin"
					-t "${ARGS_TYPE}" -c "${ARGS_CREATOR}"
					--cc "${name}.dsk" --cc "${name}.APPL" --cc "%${name}.ad"
					${ARGS_MAKEAPPL_ARGS}
			DEPENDS ${name} ${rsrc_files})
		add_custom_target(${name}_APPL ALL DEPENDS ${name}.bin)

	elseif(CMAKE_SYSTEM_NAME MATCHES RetroPPC OR CMAKE_SYSTEM_NAME MATCHES RetroCarbon)
		if((CMAKE_SYSTEM_NAME MATCHES RetroCarbon OR ARGS_CARBON) AND NOT ARGS_CLASSIC)
			set(REZ_TEMPLATE "${REZ_TEMPLATES_PATH}/RetroCarbonAPPL.r")
			target_compile_definitions(${name} PUBLIC -DTARGET_API_MAC_CARBON=1)
			target_link_libraries(${name} -carbon)
		else()
			set(REZ_TEMPLATE "${REZ_TEMPLATES_PATH}/RetroPPCAPPL.r")
		endif()
		
		set_target_properties(${name} PROPERTIES OUTPUT_NAME ${name}.xcoff)
		add_custom_command(
			OUTPUT ${name}.pef
			COMMAND ${MAKE_PEF} "${name}.xcoff" -o "${name}.pef"
			DEPENDS ${name})

		add_custom_command(
			OUTPUT ${name}.bin ${name}.APPL ${name}.dsk ${name}.ad "%${name}.ad"
			COMMAND ${REZ} 
					${REZ_FLAGS}
					${REZ_TEMPLATE}
					-I${REZ_INCLUDE_PATH}
					-DCFRAG_NAME="\\"${name}\\""
					-o "${name}.bin" --cc "${name}.dsk" --cc "${name}.APPL"
					--cc "%${name}.ad"
					-t "${ARGS_TYPE}" -c "${ARGS_CREATOR}"
					--data ${name}.pef
					${ARGS_MAKEAPPL_ARGS}
			DEPENDS ${name}.pef ${rsrc_files})
		add_custom_target(${name}_APPL ALL DEPENDS ${name}.bin)
	endif()

endfunction()

cmake_policy(POP)