find_package(Qt6 COMPONENTS Concurrent Network Widgets REQUIRED)

set(CMAKE_AUTOUIC_SEARCH_PATHS forms)
set(CMAKE_INCLUDE_CURRENT_DIR ON)

file(GLOB launcher_src
	"include/*.h"
	"src/*.cpp"
)

file(GLOB launcher_forms
	"forms/*.ui"
)

add_executable(launcher WIN32
	${launcher_src}
	${launcher_forms}
	resources.qrc
)


target_link_libraries(launcher Qt6::Concurrent Qt6::Network Qt6::Widgets Vulkan::Headers SDL3::SDL3-static kyty_git_version common)
if(LINUX)
	find_package(Qt6 COMPONENTS DBus REQUIRED)
	target_link_libraries(launcher Qt6::DBus)
endif()
if(WIN32)
target_link_libraries(launcher setupapi)
endif()
if (CLANG AND NOT KYTY_CLANG_CL)
target_compile_options(launcher PRIVATE -frtti)
target_link_libraries(launcher pthread)
endif()
target_include_directories(launcher PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/include" "${CMAKE_CURRENT_SOURCE_DIR}/src")
set_target_properties(launcher PROPERTIES AUTOUIC ON AUTOMOC ON AUTORCC ON)

if(WIN32 AND NOT KYTY_CLANG_CL)
	set_target_properties(launcher PROPERTIES LINK_FLAGS "${KYTY_LD_OPTIONS}")
elseif(LINUX)
	# Use the same linker as kyty_emulator.
	set_target_properties(launcher PROPERTIES LINK_FLAGS "${KYTY_LD_OPTIONS}")
endif()

add_dependencies(launcher kyty_emulator)

if(KYTY_CLANG_CL)
	add_custom_command(TARGET launcher POST_BUILD
		COMMAND ${CMAKE_COMMAND} -E copy_if_different $<TARGET_PDB_FILE:kyty_emulator> $<TARGET_FILE_DIR:launcher>/$<TARGET_PDB_FILE_NAME:kyty_emulator>
		COMMAND ${CMAKE_COMMAND} -E copy_if_different $<TARGET_FILE_DIR:kyty_emulator>/${KYTY_EMULATOR_MAP_NAME} $<TARGET_FILE_DIR:launcher>/${KYTY_EMULATOR_MAP_NAME}
		COMMAND ${CMAKE_COMMAND} -E copy_if_different "${KYTY_THIRD_PARTY_DIR}/winpthread/bin/libwinpthread-1.dll" $<TARGET_FILE_DIR:launcher>/libwinpthread-1.dll
	)
endif()

if(WIN32)
    find_program(QT_WINDEPLOYQT NAMES windeployqt PATHS "${Qt6_DIR}/../../../bin")
    if(NOT QT_WINDEPLOYQT)
    	message(FATAL_ERROR "Could not find windeployqt")
    endif()
	add_custom_command(TARGET launcher POST_BUILD
		COMMAND ${QT_WINDEPLOYQT} $<TARGET_FILE:launcher>
			--no-compiler-runtime
			--no-system-d3d-compiler
			--no-system-dxc-compiler
			--no-opengl-sw
			--no-translations
		COMMENT "Deploying Qt runtime and TLS plugins"
		VERBATIM
	)
endif()

set(launcher_name "launcher")
if(APPLE)
	set(launcher_name "KytyPS5")
endif()

set_target_properties(launcher PROPERTIES OUTPUT_NAME ${launcher_name})

if(APPLE)
	# macOS bundle: KytyPS5.app with launcher as main executable and
	# kyty_emulator as helper inside Contents/MacOS. MoltenVK is found
	# next to a flat executable or in the bundle's Contents/Frameworks;
	# no rpath fixup is needed because SDL loads it by absolute path.
	# Qt deployment (Frameworks + plugins) is handled by macdeployqt.
	set_target_properties(launcher PROPERTIES
		MACOSX_BUNDLE TRUE
		MACOSX_BUNDLE_INFO_PLIST "${CMAKE_CURRENT_SOURCE_DIR}/Info.plist.in"
		INSTALL_RPATH "@executable_path/../Frameworks"
		BUILD_WITH_INSTALL_RPATH TRUE
	)
endif()

install(TARGETS launcher
	BUNDLE DESTINATION .
	RUNTIME DESTINATION .)

if(APPLE)
	install(TARGETS kyty_emulator DESTINATION "KytyPS5.app/Contents/MacOS")
	install(FILES "${KYTY_TROPHY_UNLOCK_SOUND}" DESTINATION "KytyPS5.app/Contents/Resources/assets/sounds")
	# Deploy and ad-hoc sign the Qt frameworks and plugins in the bundle.
	find_program(KYTY_MACDEPLOYQT NAMES macdeployqt PATHS "${Qt6_DIR}/../../../bin" NO_DEFAULT_PATH)
	if(NOT KYTY_MACDEPLOYQT)
		message(FATAL_ERROR "Could not find macdeployqt")
	endif()
	install(CODE "
		execute_process(COMMAND \"${KYTY_MACDEPLOYQT}\" \"\${CMAKE_INSTALL_PREFIX}/KytyPS5.app\"
			-codesign=-
			RESULT_VARIABLE _kyty_deploy_result)
		if(NOT _kyty_deploy_result EQUAL 0)
			message(FATAL_ERROR \"macdeployqt failed with \${_kyty_deploy_result}\")
		endif()
	")
endif()

if(WIN32)
    install(CODE "
    		execute_process(
    			COMMAND ${QT_WINDEPLOYQT} \"\${CMAKE_INSTALL_PREFIX}/${launcher_name}.exe\"
				--no-compiler-runtime
				--no-system-d3d-compiler
				--no-system-dxc-compiler
				--no-opengl-sw
				--no-translations
    		)
    ")
elseif(LINUX)
	# Bundle the Qt runtime and plugins.
	set_target_properties(launcher PROPERTIES
		INSTALL_RPATH "$ORIGIN/lib"
		BUILD_WITH_INSTALL_RPATH FALSE
		LINK_FLAGS "${KYTY_LD_OPTIONS} -Wl,--disable-new-dtags")

	# Support distribution and official Qt layouts.
	get_target_property(kyty_qt_core_lib Qt6::Core IMPORTED_LOCATION_RELEASE)
	if(NOT kyty_qt_core_lib)
		get_target_property(kyty_qt_core_lib Qt6::Core IMPORTED_LOCATION)
	endif()
	get_filename_component(kyty_qt_libdir "${kyty_qt_core_lib}" DIRECTORY)

	set(kyty_qt_plugins_dir "")
	foreach(kyty_candidate
			"${kyty_qt_libdir}/qt6/plugins"
			"${kyty_qt_libdir}/../plugins"
			"${Qt6_DIR}/../../../plugins")
		if(IS_DIRECTORY "${kyty_candidate}/platforms")
			get_filename_component(kyty_qt_plugins_dir "${kyty_candidate}" ABSOLUTE)
			break()
		endif()
	endforeach()

	if(kyty_qt_plugins_dir)
		message(STATUS "Qt plugins for launcher deployment: ${kyty_qt_plugins_dir}")
		set(kyty_qt_plugin_files "")
		foreach(kyty_qt_plugin platforms tls imageformats xcbglintegrations wayland-shell-integration)
			if(IS_DIRECTORY "${kyty_qt_plugins_dir}/${kyty_qt_plugin}")
				file(GLOB kyty_qt_plugin_group
					"${kyty_qt_plugins_dir}/${kyty_qt_plugin}/*.so"
					"${kyty_qt_plugins_dir}/${kyty_qt_plugin}/*.so.*")
				list(APPEND kyty_qt_plugin_files ${kyty_qt_plugin_group})
				install(DIRECTORY "${kyty_qt_plugins_dir}/${kyty_qt_plugin}" DESTINATION "plugins")
			endif()
		endforeach()
		install(CODE "
			set(kyty_plugin_files \"${kyty_qt_plugin_files}\")
			file(GET_RUNTIME_DEPENDENCIES
				EXECUTABLES \"${CMAKE_CURRENT_BINARY_DIR}/${launcher_name}\"
				LIBRARIES \${kyty_plugin_files}
				RESOLVED_DEPENDENCIES_VAR kyty_resolved
				POST_INCLUDE_REGEXES \"libQt6\" \"libicu\"
				POST_EXCLUDE_REGEXES \".*\")
			foreach(kyty_dep \${kyty_resolved})
				file(INSTALL DESTINATION \"\${CMAKE_INSTALL_PREFIX}/lib\"
					TYPE SHARED_LIBRARY FOLLOW_SYMLINK_CHAIN FILES \"\${kyty_dep}\")
			endforeach()
		")
		install(CODE "
			file(WRITE \"\${CMAKE_INSTALL_PREFIX}/qt.conf\" \"[Paths]\\nPlugins = plugins\\n\")
		")
	else()
		message(WARNING "Qt plugin directory not found; the installed launcher will need a system Qt")
	endif()
endif()


set(tidy_dirs "${CMAKE_CURRENT_SOURCE_DIR}/include")
set(iwyu_maps "${CMAKE_CURRENT_SOURCE_DIR}/utils/qt6_16.imp")

get_property(inc_headers TARGET launcher PROPERTY INCLUDE_DIRECTORIES)

list(APPEND inc_headers
	${CMAKE_CURRENT_SOURCE_DIR}
	${CMAKE_CURRENT_BINARY_DIR}/launcher_autogen/include
	${Qt6Widgets_INCLUDE_DIRS}
	${Qt6Core_INCLUDE_DIRS}
	${Qt6Gui_INCLUDE_DIRS}
	#${Qt6_DIR}/../../../include
	#${Qt6_DIR}/../../../include/QtWidgets
	#${Qt6_DIR}/../../../include/QtCore
	#${Qt6_DIR}/../../../include/QtGui
)

include_what_you_use_with_mappings(launcher "${inc_headers}" "${iwyu_maps}")

clang_tidy_check(launcher "" "${tidy_dirs}" "${inc_headers}")