cmake_minimum_required(VERSION 3.22)

project(kge
	DESCRIPTION "kyle's editor"
	LANGUAGES CXX
	VERSION 0.0.1)
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_VERBOSE_MAKEFILES TRUE)
set(VERBOSE YES)

string(TIMESTAMP TODAY "%Y%m%d")

####################
### BUILD CONFIG ###
####################

# in "prod", this will be ON by default; the docstring is written this
# way as I am likely to forget to change it later.
set(BUILD_GUI OFF CACHE BOOL "Disable building the graphical version.")

if(MSVC)
	add_compile_options("/W4" "$<$<CONFIG:RELEASE>:/O2>")
else()
	add_compile_options(
			"-Wall"
			"-Wextra"
			"-Werror"
			"-static"
			"$<$<CONFIG:DEBUG>:-g>"
			"$<$<CONFIG:RELEASE>:-O2>")
	if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
		add_compile_options("-stdlib=libc++")
	else()
		# nothing special for gcc at the moment
	endif()
endif()
add_compile_definitions(KGE_PLATFORM=${CMAKE_HOST_SYSTEM_NAME})
add_compile_definitions(KGE_VERSION=${PROJECT_VERSION})

message(STATUS "Build system: ${CMAKE_HOST_SYSTEM_NAME}")

if(${BUILD_GUI})
include(cmake/imgui.cmake)
endif()

#####################
### BUILD TARGETS ###
#####################

set(HEADER_FILES
		Defs.h
		Buffer.h
		File.h
		Cursor.h
)
set(SOURCE_FILES
		Defs.cc
		Buffer.cc
		File.cc
		Cursor.cc
)

add_executable(ke main.cc ${SOURCE_FILES} ${HEADER_FILES})

add_custom_target(manpages)
configure_file(docs/ke.md ke.1.scdoc @ONLY)
add_custom_command(TARGET manpages COMMAND scdoc < ke.1.scdoc > ke.1
		OUTPUTS ${CMAKE_CURRENT_BINARY_DIR}/ke.1)
add_dependencies(ke manpages)

if(${BUILD_GUI})
	configure_file(resources/kge.desktop.in kge.desktop @ONLY)
	add_executable(kge gmain.cc ${SOURCE_FILES} ${HEADER_FILES})
	target_link_libraries(kge imgui)
	add_dependencies(kge ke)

	configure_file(docs/kge.md kge.1.scdoc @ONLY)
	add_custom_command(TARGET manpages COMMAND scdoc < kge.1.scdoc > kge.1
			OUTPUTS ${CMAKE_CURRENT_BINARY_DIR}/kge.1)

	add_dependencies(kge manpages)
endif()

#######################
### INSTALL TARGETS ###
#######################

install(TARGETS ke
		DESTINATION bin
		COMPONENT nox)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/ke.1
		DESTINATION share/man/man1
		COMPONENT nox)

if(${BUILD_GUI})
	install(TARGETS kge
			DESTINATION bin
			COMPONENT nox
			COMPONENT gui)
	install(FILES ${CMAKE_CURRENT_BINARY_DIR}/kge.desktop
			DESTINATION share/applications
			COMPONENT gui)
	install(FILES resources/kge.png
			DESTINATION share/${PROJECT_NAME}
			COMPONENT gui)
	install(FILES ${CMAKE_CURRENT_BINARY_DIR}/kge.1
			DESTINATION share/man/man1
			COMPONENT gui)
endif()


include(cmake/packaging.cmake)