# DetectOS.cmake

function(add_os_definitions target)
    # 初始化所有平台宏为 0
    set(PLATFORMS AORII_WINDOWS AORII_MACOS AORII_LINUX AORII_FREEBSD AORII_IOS AORII_ANDROID)

    # 检测操作系统并设置相应的宏为 1
    if(WIN32)
        target_compile_definitions(${target} PUBLIC AORII_WINDOWS=1)
        message(STATUS "Detected Windows operating system")
        list(REMOVE_ITEM PLATFORMS AORII_WINDOWS)
    elseif(APPLE AND UNIX)
        target_compile_definitions(${target} PUBLIC AORII_MACOS=1)
        message(STATUS "Detected macOS operating system")
        list(REMOVE_ITEM PLATFORMS AORII_MACOS)
    elseif(UNIX)
        if(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
            target_compile_definitions(${target} PUBLIC AORII_LINUX=1)
            message(STATUS "Detected Linux operating system")
            list(REMOVE_ITEM PLATFORMS AORII_LINUX)
        elseif(${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
            target_compile_definitions(${target} PUBLIC AORII_FREEBSD=1)
            message(STATUS "Detected FreeBSD operating system")
            list(REMOVE_ITEM PLATFORMS AORII_FREEBSD)
        else()
            message(WARNING "Detected unknown Unix-like operating system")
        endif()
    elseif(ANDROID)
        target_compile_definitions(${target} PUBLIC AORII_ANDROID=1)
        message(STATUS "Detected Android operating system")
        list(REMOVE_ITEM PLATFORMS AORII_ANDROID)
    elseif(IOS)
        target_compile_definitions(${target} PUBLIC AORII_IOS=1)
        message(STATUS "Detected iOS operating system")
        list(REMOVE_ITEM PLATFORMS AORII_IOS)
    else()
        message(WARNING "Unknown operating system")
    endif()

    foreach(PLATFORM ${PLATFORMS})
        target_compile_definitions(${target} PUBLIC ${PLATFORM}=0)
    endforeach()

    # 检测并设置架构宏
    if(CMAKE_SIZEOF_VOID_P EQUAL 8)
        target_compile_definitions(${target} PUBLIC AORII_ARCH_64BIT=1 AORII_ARCH_32BIT=0)
        message(STATUS "Detected 64-bit architecture")
    else()
        target_compile_definitions(${target} PUBLIC AORII_ARCH_64BIT=0 AORII_ARCH_32BIT=1)
        message(STATUS "Detected 32-bit architecture")
    endif()

    # 设置通用的 UNIX 宏
    if(UNIX)
        target_compile_definitions(${target} PUBLIC AORII_UNIX=1)
    else()
        target_compile_definitions(${target} PUBLIC AORII_UNIX=0)
    endif()

    # 设置通用的 POSIX 宏
    if(UNIX OR APPLE)
        target_compile_definitions(${target} PUBLIC AORII_POSIX=1)
    else()
        target_compile_definitions(${target} PUBLIC AORII_POSIX=0)
    endif()

    # 设置IS_MOBILE宏
    if(ANDROID OR IOS)
        target_compile_definitions(${target} PUBLIC AORII_IS_MOBILE=1)
    else()
        target_compile_definitions(${target} PUBLIC AORII_IS_MOBILE=0)
    endif()
endfunction()