cmake_minimum_required(VERSION 3.16)
project(simulator_qt LANGUAGES CXX)

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

set(CMAKE_AUTOMOC ON)
set(CMAKE_AUTOUIC ON)
set(CMAKE_AUTORCC ON)

# Prefer Qt6, fall back to Qt5
find_package(Qt6 COMPONENTS Widgets QUIET)
if(NOT Qt6_FOUND)
  # Try explicitly the system Qt6 cmake prefix on Debian/Ubuntu
  find_package(Qt6 COMPONENTS Widgets QUIET PATHS /usr/lib/x86_64-linux-gnu)
endif()

if(NOT Qt6_FOUND)
  # Fallback: try Qt5 if Qt6 is unavailable
  find_package(Qt5 COMPONENTS Widgets QUIET)
endif()

if(Qt6_FOUND)
  set(QT_LIB Qt6::Widgets)
elseif(Qt5_FOUND)
  set(QT_LIB Qt5::Widgets)
else()
  message(FATAL_ERROR "Qt6 or Qt5 not found. Install Qt development packages or set CMAKE_PREFIX_PATH to your Qt installation.")
endif()

set(GUI_SRCS
  main.cpp
  mainwindow.cpp
  MachineController.cpp
)

set(GUI_HDRS
  mainwindow.h
  MachineController.h
)

add_executable(simulator_qt ${GUI_SRCS} ${GUI_HDRS})

# Allow the generated UI headers (from AUTOUIC) to be found in the build dir
# and also include the top-level include folder (works when added with add_subdirectory)
target_include_directories(simulator_qt PRIVATE ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_SOURCE_DIR}/include)

# Link to core library target (must be defined by top-level CMake)
target_link_libraries(simulator_qt PRIVATE simulator_lib ${QT_LIB})

# Place runtime binary under repo/target/bin to match project layout
set_target_properties(simulator_qt PROPERTIES
  RUNTIME_OUTPUT_DIRECTORY ${CMAKE_SOURCE_DIR}/target/bin
)