cmake_minimum_required(VERSION 3.18)

set(CMAKE_CXX_STANDARD 23)
include_guard(GLOBAL)

set(CMAKE_SYSTEM_NAME Linux)
set(CMAKE_SYSTEM_PROCESSOR arm)

set(CMAKE_INCLUDE_CURRENT_DIR ON)
# set(CMAKE_AUTOMOC ON)
set(CMAKE_AUTORCC OFF)

# set(TARGET_SYSROOT /home/nikita/rpi/rpi-sysroot)
set(TARGET_SYSROOT /home/nikita/rpi/rpi_zero-sysroot)
set(CMAKE_SYSROOT ${TARGET_SYSROOT})
message("CMAKE_SYSROOT: ${CMAKE_SYSROOT}")
set(CMAKE_LIBRARY_PATH ${CMAKE_SYSROOT}/usr/lib/aarch64-linux-gnu)

# arch:
set(ENV{PKG_CONFIG_PATH} $PKG_CONFIG_PATH:/usr/lib/aarch64-linux-gnu/pkgconfig)
# gentoo:
# set(ENV{PKG_CONFIG_PATH} $PKG_CONFIG_PATH:/usr/lib/aarch64-rpi5-linux-gnu/pkgconfig)
set(ENV{PKG_CONFIG_LIBDIR} /usr/lib/pkgconfig:/usr/share/pkgconfig/:${TARGET_SYSROOT}/usr/lib/aarch64-linux-gnu/pkgconfig:${TARGET_SYSROOT}/usr/lib/pkgconfig)
set(ENV{PKG_CONFIG_SYSROOT_DIR} ${CMAKE_SYSROOT})

set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -I${TARGET_SYSROOT}/usr/include")
set(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS}")



# NOTE: on your rpi you'll need to install
# libcamera-dev, libcamera-ipa (TODO: check if ipa is needed)
# libqt6gui6
# libqt6httpserver6
# libqt6serialport6 (if you want to control your 3d printer from rpi)
# libtbb-dev (or just comment out source code related to execution policies)
# libpistache-dev - TODO: remove this dep, orpheus uses qt http server
# don't forget to rsync local copy of rpi fs with real rpi fs
# NOTE: to be able to run orpheus remotely from QtCreator, run this on your RPI:
# $ sudo chown -R user:adm /usr/local/bin/
# NOTE: to use rotary encoder you'll need WiringPi which is not in rpi repos, so
# $ git clone https://github.com/WiringPi/WiringPi.git
# check README.md for installation instructions. You may get this while installing
# .deb package, but it's ok:
# N: Download is performed unsandboxed as root as file
# '/home/user/git/third_party/WiringPi/wiringpi_3.12_arm64.deb' couldn't be
# accessed by user '_apt'. - pkgAcquire::Run (13: Permission denied)


# NOTE: I've added ld symlink on host to be able to run moc
# arch:
# sudo ln -s /usr/aarch64-linux-gnu/lib/ld-linux-aarch64.so.1 /lib/ld-linux-aarch64.so.1
# gentoo:
# sudo ln -s /usr/aarch64-rpi5-linux-gnu/lib/ld-linux-aarch64.so.1 /lib/ld-linux-aarch64.so.1
#
# TODO: check how to add this env var to cmake, it's needed to run moc,
# otherwise you'll get the following error
#
# ...../rpi-sysroot/usr/lib/qt6/libexec/moc: error while loading shared libraries:
# libpcre2-16.so.0: cannot open shared object file: No such file or directory
#
# export this path for qtcreator:
# LD_LIBRARY_PATH=/home/nikita/rpi/rpi-sysroot/usr/lib/aarch64-linux-gnu/:$LD_LIBRARY_PATH
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
set(CMAKE_BUILD_RPATH ${TARGET_SYSROOT})

find_package(PkgConfig REQUIRED)
pkg_check_modules(LIBCAMERA REQUIRED IMPORTED_TARGET libcamera)
find_library(LIBCAMERA_LIBRARY libcamera.so REQUIRED)
find_library(LIBCAMERA_BASE_LIBRARY libcamera-base.so REQUIRED)
message(STATUS ${CAMERA_INCLUDE_DIRS})
message(STATUS ${LIBCAMERA_LIBRARY})
message(STATUS ${LIBCAMERA_BASE_LIBRARY})
pkg_check_modules(CAMERA REQUIRED libcamera)
set(LIBCAMERA_LIBRARIES "${LIBCAMERA_LIBRARY}" "${LIBCAMERA_BASE_LIBRARY}")
project(orpheus LANGUAGES CXX)
find_package(OpenMP)
if (OPENMP_FOUND)
    message("found openmp")
    set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
    set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
    set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${OpenMP_EXE_LINKER_FLAGS}")
endif()

set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_STANDARD 23)
set(CMAKE_CXX20_STANDARD_COMPILE_OPTION "-std:c++latest")
set(CMAKE_CXX20_EXTENSION_COMPILE_OPTION "-std:c++latest")

find_package(Qt6 6.4 REQUIRED COMPONENTS Gui Quick HttpServer SerialPort)

find_package(TBB REQUIRED)

qt_standard_project_setup(REQUIRES 6.4)

include_directories(. "${CAMERA_INCLUDE_DIRS}" src)

# libpistache
pkg_check_modules(Pistache REQUIRED IMPORTED_TARGET libpistache)

# add_executable(${PROJECT_NAME}
qt_add_executable(apporpheus
    httpservice.h
    httpservice.cpp
    imagealgos.h
    imagealgos.cpp
    macro.h
    main.cpp
    LibCamera.h
    LibCamera.cpp
    genetic_algos.h
    genetic_algos.cpp
    rotaryencoder.h
    rotaryencoder.cpp
    printerclient.h
    printerclient.cpp
    fuck_intel.h
    src/pixels.h src/pixels.cpp
    src/constants.h
    src/typedefs.h
    src/dumps.h src/dumps.cpp
    src/calibration.h src/calibration.cpp
    profile.h profile.cpp
    src/camera/ov9281.h src/camera/ov9281.cpp
    src/image.h src/image.cpp
    src/laser.h src/laser.cpp
    src/camera/innomakerov9281.h src/camera/innomakerov9281.cpp
    src/camera/icamera.h
)
target_link_libraries(app${PROJECT_NAME}
    PRIVATE
    "${LIBCAMERA_LIBRARIES}"
    PkgConfig::Pistache
    Qt6::Gui
    Qt6::HttpServer
    Qt6::SerialPort
    wiringPi
    TBB::tbb
)

include(GNUInstallDirs)
install(TARGETS app${PROJECT_NAME}
    BUNDLE DESTINATION .
    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
)

if ("${CMAKE_BUILD_TYPE}" MATCHES "Release")
    # message("it's Debug")
else()
    #message("it's not Debug")
endif()


# add_compile_options(-Wall -Wextra -Wpedantic)
add_compile_options(-Ofast -fno-unroll-loops -Wall)