cmake_minimum_required(VERSION 3.12)

set(PROJECT_NAME ConwaysLife)

project(${PROJECT_NAME})

set(HEADER_FILES LifeSimulator.hpp Renderer.hpp RendererConsole.hpp Pattern.hpp PatternSet.hpp PatternAcorn.hpp PatternBlinker.hpp PatternBlock.hpp PatternGlider.hpp PatternGosperGliderGun.hpp PatternRandom.hpp rlutil.h)
set(SOURCE_FILES LifeSimulator.cpp RendererConsole.cpp PatternSet.cpp PatternAcorn.cpp PatternBlinker.cpp PatternBlock.cpp	PatternGlider.cpp PatternGosperGliderGun.cpp PatternRandom.cpp)

add_executable(${PROJECT_NAME} ${SOURCE_FILES} ${HEADER_FILES} main.cpp)

set_property(TARGET ${PROJECT_NAME} PROPERTY CXX_STANDARD 20)
set_property(TARGET ${UNIT_TEST_RUNNER} PROPERTY CXX_STANDARD 20)

if (CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
    target_compile_options(${PROJECT_NAME} PRIVATE /W4 /permissive- /openmp)
elseif (CMAKE_CXX_COMPILER_ID MATCHES "GNU")
    target_compile_options(${PROJECT_NAME} PRIVATE -Wall -Wextra -pedantic -fopenmp)
elseif (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
    target_compile_options(${PROJECT_NAME} PRIVATE -Wall -Wextra -pedantic -fopenmp)
endif()

find_program(CLANG_FORMAT "clang-format")
if (CLANG_FORMAT)
    message("CLANG-FORMAT found at: " ${CLANG_FORMAT})
    unset(SOURCE_FILES_PATHS)
    foreach(SOURCE_FILE ${SOURCE_FILES} ${HEADER_FILES} ${UNIT_TEST_FILES} main.cpp)
      get_source_file_property(WHERE ${SOURCE_FILE} LOCATION)
      set(SOURCE_FILES_PATHS ${SOURCE_FILES_PATHS} ${WHERE})
    endforeach()

    add_custom_target(
      ClangFormat
      COMMAND ${CLANG_FORMAT}
      -i
      -style=file
      ${SOURCE_FILES_PATHS})

    add_dependencies(${PROJECT_NAME} ClangFormat)
else()
    message("Unable to find Clang-Format")
endif()

# https://cliutils.gitlab.io/modern-cmake/chapters/packages/OpenMP.html
find_package(OpenMP)
if(OpenMP_CXX_FOUND)
	target_link_libraries(${PROJECT_NAME} PUBLIC OpenMP::OpenMP_CXX)
endif()