cmake_minimum_required(VERSION 3.21)

# Because Qt implementation is a bit buggy,
# when this is fixed, the setup will be even nicer.
set(QT_CREATOR_SKIP_CONAN_SETUP ON)

# ------ Build Toolchain

if (UNIX)
#Please just give me errors when there is no proper return defined in non-void functions:
add_compile_options(-Werror=return-type)
endif()

if(WIN32)
  add_compile_options(/utf-8)  #Make sure to compile in utf-8 on the locale code page.
endif()

set(CMAKE_POSITION_INDEPENDENT_CODE ON)

if(APPLE)

  execute_process(COMMAND uname -m OUTPUT_VARIABLE HOST_PROCESSOR OUTPUT_STRIP_TRAILING_WHITESPACE)

  message(STATUS "Host processor is ${HOST_PROCESSOR}")

  if("${CMAKE_OSX_ARCHITECTURES}" STREQUAL "")
	set(CMAKE_OSX_ARCHITECTURES ${HOST_PROCESSOR})
    set(CROSS_COMPILING 0)
    message(STATUS "Building for ${CMAKE_OSX_ARCHITECTURES} architecture")
  else()
	if(NOT ("${CMAKE_OSX_ARCHITECTURES}" STREQUAL "${HOST_PROCESSOR}"))
      set(CROSS_COMPILING 1)
	  message(STATUS "Cross compiling for ${CMAKE_OSX_ARCHITECTURES} architecture")
    endif()
  endif()

  if(CMAKE_OSX_ARCHITECTURES STREQUAL "arm64")
	set(CMAKE_OSX_DEPLOYMENT_TARGET 12.0 CACHE STRING "Minimum macOS version the build will be able to run on" FORCE)
    set(CONAN_ARCH "armv8")
  else()
	set(CMAKE_OSX_DEPLOYMENT_TARGET 12.0 CACHE STRING "Minimum macOS version the build will be able to run on" FORCE)
    set(CONAN_ARCH "x86_64")
  endif()
  
  
  if("${CMAKE_OSX_SYSROOT}" STREQUAL "macosx" OR "${CMAKE_OSX_SYSROOT}" STREQUAL "")
	  execute_process(COMMAND xcrun --sdk macosx --show-sdk-path
		OUTPUT_VARIABLE SDKROOT
		OUTPUT_STRIP_TRAILING_WHITESPACE)
	set(CMAKE_OSX_SYSROOT ${SDKROOT})
	message(STATUS "Got CMAKE_OSX_SYSROOT from xcrun as '${SDKROOT}'")
  else()
	message(STATUS "CMAKE_OSX_SYSROOT=${CMAKE_OSX_SYSROOT}")
  endif()
 

endif()

project(
  JASP
  VERSION 0.95.2.0 # <major>[.<minor>[.<patch>[.<tweak>]]]
  LANGUAGES CXX C
  HOMEPAGE_URL "http://jasp-stats.org/"
  DESCRIPTION "A fresh way to do statistics")

#needed for R-Interface and QMLComponents for them to build stuff properly when *inside* JASP
add_definitions(-DBUILDING_JASP)
set(BUILDING_JASP TRUE)

set(CMAKE_MESSAGE_CONTEXT_SHOW ON)

set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

set(CMAKE_FIND_FRAMEWORK ON)
set(CMAKE_INCLUDE_CURRENT_DIR ON)

if(NOT CMAKE_BUILD_TYPE)
  set(CMAKE_BUILD_TYPE
      "Debug"
      CACHE STRING
            "OBS build type [Release, RelWithDebInfo, Debug, MinSizeRel]" FORCE)
  message(STATUS "Building for ${CMAKE_BUILD_TYPE}")
endif()

# ------ CMake Modules

include(FetchContent)
include(ExternalProject)
include(CMakePrintHelpers)

list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/Tools/CMake")

# ------ Options

include(Config)

# ------ Conan Dependency Manager

include(Conan)
# Conan set the CMAKE_MSVC_RUNTIME_LIBRARY to MultiThreadedDLL (this adds the /MD flag, cf conan_toolchain.cmake)
# But on debug mode it does not set it to the MultiThreadedDebugDLL (/MDd): this can lead to a crash if a library uses a Qt function in a static method, as in DynamicRuntimeInfo)
if(WIN32 AND (CMAKE_MSVC_RUNTIME_LIBRARY STREQUAL "$<$<CONFIG:Debug>:MultiThreadedDLL>"))
	set(CMAKE_MSVC_RUNTIME_LIBRARY "$<$<CONFIG:Debug>:MultiThreadedDebugDLL>")
	message(STATUS "CMAKE_MSVC_RUNTIME_LIBRARY is set to ${CMAKE_MSVC_RUNTIME_LIBRARY}")
endif()


# ------ JASP Config

# Looking for programs, e.g., git, bison, flex
include(Programs)

# Looking for libraries, e.g., Boost, Qt
include(Libraries)

# Preparing irregular dependencies, e.g., ReadStat
include(Dependencies)

# Setting JASP's parameters, e.g., JASP_VERSION
include(JASP)

# Preparing R environment, and setting R_HOME_PATH
include(R)

# These tell Qt to do its things
set(CMAKE_AUTOMOC ON)
set(CMAKE_AUTORCC ON)
set(CMAKE_AUTOUIC ON)

# Later, I would try tor remove this, for now, it's necessary because Conan
# tends to mess up the directory structure
if(WIN32)
  include(InstallRequiredSystemLibraries)
  set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})
  set(CMAKE_RUNTIME_OUTPUT_DIRECTORY_RELEASE ${CMAKE_RUNTIME_OUTPUT_DIRECTORY})
  set(CMAKE_RUNTIME_OUTPUT_DIRECTORY_RELWITHDEBINFO
      ${CMAKE_RUNTIME_OUTPUT_DIRECTORY})
  set(CMAKE_RUNTIME_OUTPUT_DIRECTORY_MINSIZEREL
      ${CMAKE_RUNTIME_OUTPUT_DIRECTORY})
  set(CMAKE_RUNTIME_OUTPUT_DIRECTORY_DEBUG ${CMAKE_RUNTIME_OUTPUT_DIRECTORY})

  message(CHECK_START "Setting path to libR-Interface.dll")
  set(_LIB_R_INTERFACE_DLL
	  "${CMAKE_BINARY_DIR}/R-Interface/libR-Interface.dll"
	  CACHE STRING "Path to libR-Interface.dll")
  set(_LIB_R_INTERFACE_NORINSIDE_DLL
          "${CMAKE_BINARY_DIR}/R-Interface/libR-InterfaceNoRInside.dll"
          CACHE STRING "Path to libR-InterfaceNoRInside.dll" FORCE)
  message(STATUS "  ${_LIB_R_INTERFACE_DLL}")
  message(STATUS "  ${_LIB_R_INTERFACE_NORINSIDE_DLL}")

  message(CHECK_START "Setting path to libR-Interface.dll.a")
  set(_LIB_R_INTERFACE_STATIC_DLL_A
	  "${CMAKE_BINARY_DIR}/R-Interface/libR-Interface.dll.a"
	  CACHE STRING "Path to libR-Interface.dll.a")
  set(_LIB_R_INTERFACE_NORINSIDE_STATIC_DLL_A
          "${CMAKE_BINARY_DIR}/R-Interface/libR-InterfaceNoRInside.dll.a"
          CACHE STRING "Path to libR-InterfaceNoRInside.dll.a" FORCE)
  message(STATUS "  ${_LIB_R_INTERFACE_STATIC_DLL_A}")
  message(STATUS "  ${_LIB_R_INTERFACE_NORINSIDE_STATIC_DLL_A}")

  message(STATUS "libR-Interface will be build if it is missing.")


endif()

add_subdirectory(Common)
add_subdirectory(CommonData)
add_subdirectory(QMLComponents)
add_subdirectory(SyntaxInterface)

if(NOT WIN32)
  add_subdirectory(R-Interface)
else()
  # Building R-Interface with MinGW configuration, see R-Interface/CMakeLists.txt
  # for more info. Note that the build path is set to be inside the JASP's build
  # folder, e.g. jasp-desktop-build-dir/R-Interface
  add_custom_target(
    R-Interface
    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/R-Interface
    BYPRODUCTS ${CMAKE_BINARY_DIR}/R-Interface/libR-Interface.dll
               ${CMAKE_BINARY_DIR}/R-Interface/libR-Interface.dll.a
			   ${CMAKE_BINARY_DIR}/R-Interface/libR-InterfaceNoRInside.dll
			   ${CMAKE_BINARY_DIR}/R-Interface/libR-InterfaceNoRInside.dll.a
	COMMAND
      ${CMAKE_COMMAND} -G "MinGW Makefiles" -S . -B
      ${CMAKE_BINARY_DIR}/R-Interface "-DRTOOLS_PATH:PATH=${RTOOLS_PATH}"
      "-DCMAKE_C_COMPILER:PATH=${RTOOLS_C_COMPILER}"
      "-DCMAKE_CXX_COMPILER:PATH=${RTOOLS_CXX_COMPILER}"
      "-DCMAKE_MAKE_PROGRAM:PATH=${RTOOLS_MAKE_PROGRAM}"
      "-DJASP_BINARY_DIR:PATH=${CMAKE_BINARY_DIR}"
      "-DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE}"
      "-DR_VERSION:STRING=${R_VERSION}"
    COMMAND ${CMAKE_COMMAND} --build ${CMAKE_BINARY_DIR}/R-Interface
    USES_TERMINAL
    COMMENT "------ Configuring and Building the libR-Interface")

endif()

add_subdirectory(Engine)
add_subdirectory(Desktop)

if(BUILD_TESTS)
  enable_testing()
  add_subdirectory(Tests)
endif()

# Builds, installs and configures JASP Modules
include(Modules)

# Install logic, usually staging a deploy-able JASP in Build/Install/ folder
include(Install)

# Packs and creates installer executable for Windows, and macOS
if(NOT LINUX)
  if("${NIGHTLY_BUILD}" STREQUAL "ON")
    SET(MACOS_JENKINS_SKIPPER "--skip-jenkins")
  else()
    SET(MACOS_JENKINS_SKIPPER "")
  endif()
	include(Pack)
endif()

if(NOT
   CMAKE_GENERATOR
   STREQUAL
   "Ninja")
  message(
    WARNING
      "JASP is optimised to be built using the Ninja build system. You have chosen ${CMAKE_GENERATOR}, and this might cause issue during the build."
  )
endif()