if (POLICY CMP0057)
	cmake_policy(SET CMP0057 NEW)
endif()
set(__prop_names "LABEL;VERSION;FULLNAME;COMPANY;ICON;INFO")


# usage: set_deploy_property(<target> NAME <value> [NAME <value> [...]])
#
# Set target deploy property, where NAME one of:
#  * LABEL - application icon name
#  * VERSION - version
#  * FULLNAME - package name in format "*.*.*"
#  * COMPANY - company name
#  * ICON - icon file
#  * INFO - additional info
#
# You can setup several properties in one command
#
macro(set_deploy_property _T)
	set(_name)
	set(_is_name 1)
	foreach(_i ${ARGN})
		if (_is_name)
			set(_is_name 0)
			if (_i IN_LIST __prop_names)
			else()
				message(FATAL_ERROR "Invalid property name \"${_i}\"!")
			endif()
			set(_name ${_i})
		else()
			set(_is_name 1)
			set(${_T}_${_name} ${_i})
		endif()
	endforeach()
endmacro()


# usage: deploy_target(<target> <full_app_name> <version> <icon> <label> <copyright> <info>
#						[DEPLOY_DIR <dir>] [DESTINATION <dir>] [NO_AUTO_ICON_EXT])
#
# DEPLOY_DIR - dir where you install
#  * executable on Windows, Linux
#  * <T>.app directory with executable on MacOS
#
# DESTINATION - dir where macro place package
#
# Example:
# deploy_target(my_app DESTINATION packages)
#
# Create make target "deploy"
#
# This macro use "deploy_tool" from sdk,
# make sure it can be executed from shell
# You should set deploy properties before
# call this macro, see "set_deploy_property()"
#
# use "CMAKE_OTOOL" or "CMAKE_OBJDUMP" variable,
#   depends on target platform
# can use "DEPLOY_ADD_LIBPATH" variable as additional
#  library search path
#
macro(deploy_target _T)
	set(_DESTINATION "${CMAKE_INSTALL_PREFIX}")
	set(_DEPLOY_DIR "${CMAKE_INSTALL_PREFIX}")
	set(_is_dest 0)
	set(_is_deploy_dir 0)
	foreach(_i ${ARGN})
		if (_is_dest)
			set(_is_dest 0)
			set(_DESTINATION "${_i}/")
		else()
			if (_is_deploy_dir)
				set(_is_deploy_dir 0)
				set(_DEPLOY_DIR "${_i}/")
			else()
				if ("x${_i}" STREQUAL "xDESTINATION")
					set(_is_dest 1)
				else()
					if ("x${_i}" STREQUAL "xDEPLOY_DIR")
						set(_is_deploy_dir 1)
					endif()
				endif()
			endif()
		endif()
		#message("-i = ${_i}")
	endforeach()
	get_filename_component(_ICON_NAME "${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 ${_DEP_LIBPATH}")
	if (APPLE)
		set(MACOSX_BUNDLE_GUI_IDENTIFIER	   "${${_T}_FULLNAME}")
		set(MACOSX_BUNDLE_SHORT_VERSION_STRING "${${_T}_VERSION}")
		set(MACOSX_BUNDLE_LONG_VERSION_STRING  "${${_T}_VERSION}")
		set(MACOSX_BUNDLE_ICON_FILE			   "${${_T}_ICON}")
		set(MACOSX_BUNDLE_BUNDLE_NAME		   "${${_T}_LABEL}")
		set(MACOSX_BUNDLE_COPYRIGHT			   "${${_T}_COMPANY}")
		set(MACOSX_BUNDLE_INFO_STRING		   "${${_T}_INFO}")
		set(MACOSX_BUNDLE_BUNDLE_VERSION	   "6.0")
		set_target_properties(${_T} PROPERTIES MACOSX_BUNDLE TRUE)
		set(_AGD "${_DEPLOY_DIR}/${_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 mkdir -p ${_DEPLOY_DIR}/lang
			COMMAND mkdir -p ${_DESTINATION}
			COMMAND cp ${_ICON_FN} ${_AGD}/Contents/Resources
			COMMAND cp -r ${_DEPLOY_DIR}/lang ${_AGD}/Contents/MacOS
			COMMAND deploy_tool -M "${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 ${_DESTINATION}/${_TV}.dmg ${_DMG}
			COMMENT "Generating ${_TV}.dmg"
			)
	endif()
endmacro()