# create make target "deploy"
#
# use "CMAKE_OTOOL" or "CMAKE_OBJDUMP" variable,
#   depends on target platform
# use "RELEASE_DIR" variable, where can be found
#  * executable on Windows, Linux
#  * <T>.app directory with installed executable on MacOS
# can use "DEPLOY_ADD_LIBPATH" variable as additional
#  library search path
#
macro(deploy_target _T full_app_name version icon label copyright info)
	get_filename_component(_ICON_NAME "${icon}" NAME)
	get_filename_component(_ICON_FN "${icon}" ABSOLUTE BASE_DIR "${CMAKE_CURRENT_SOURCE_DIR}")
	set(_TV "${_T}-${version}")
	set(_DEP_LIBPATH)
	get_target_property(_LL ${_T} LINK_LIBRARIES)
	foreach (_L ${_LL})
		if (TARGET ${_L})
			get_target_property(_II ${_L} IMPORTED)
			if (NOT _II)
				#message("depend on ${_L}")
				set(_DEP_LIBPATH "${_DEP_LIBPATH}\;$<TARGET_FILE_DIR:${_L}>")
			endif()
		endif()
	endforeach()
	message("app depend libpath ${_DEP_LIBPATH}")
	if (APPLE)
		set(MACOSX_BUNDLE_GUI_IDENTIFIER	   "${full_app_name}")
		set(MACOSX_BUNDLE_SHORT_VERSION_STRING "${version}")
		set(MACOSX_BUNDLE_LONG_VERSION_STRING  "${version}")
		set(MACOSX_BUNDLE_ICON_FILE			   "${_ICON_NAME}")
		set(MACOSX_BUNDLE_BUNDLE_NAME		   "${label}")
		set(MACOSX_BUNDLE_COPYRIGHT			   "${copyright}")
		set(MACOSX_BUNDLE_INFO_STRING		   "${info}")
		set(MACOSX_BUNDLE_BUNDLE_VERSION	   "6.0")
		set_target_properties(${_T} PROPERTIES MACOSX_BUNDLE TRUE)
		set(_AGD "${RELEASE_DIR}/${_T}.app")
		set(_DMG "${CMAKE_CURRENT_BINARY_DIR}/dmg")
		add_custom_target(deploy
			# gather .app dir
			COMMAND mkdir -p ${_AGD}/Contents/Resources
			COMMAND mkdir -p ${_AGD}/Contents/Frameworks
			COMMAND cp ${_ICON_FN} ${_AGD}/Contents/Resources
			COMMAND deploy_tool -M "${CMAKE_OTOOL}" -P cocoa -S mac -q ${Qt5_ROOT} -s \"${CMAKE_PREFIX_PATH}/lib\;${DEPLOY_ADD_LIBPATH}${_DEP_LIBPATH}\" -o ${_AGD}/Contents/Frameworks -p ${_AGD}/Contents/PlugIns ${_AGD}/Contents/MacOS/${_T}
			# prepare dmg dir
			COMMAND rm -rf ${_DMG}
			COMMAND mkdir -p ${_DMG}
			COMMAND cp -r ${_AGD} ${_DMG}
			COMMAND ln --symbolic /Applications ${_DMG}
			# generate dmg
			COMMAND genisoimage -quiet -V ${_T} -D -R -apple -no-pad -o ${RELEASE_DIR}/${_TV}.dmg ${_DMG}
			COMMENT "Generating ${_TV}.dmg"
			)
	endif()
endmacro()