include(AXPlatform)

# custom target property for lua/js link
define_property(TARGET
    PROPERTY AX_LUA_DEPEND
    BRIEF_DOCS "axmol lua depend libs"
    FULL_DOCS "use to save depend libs of axmol lua project"
)

# UWP min deploy target support, VS property: targetPlatformMinVersion
if (WINRT)
    if (NOT DEFINED AX_VS_DEPLOYMENT_TARGET)
        set(AX_VS_DEPLOYMENT_TARGET "10.0.17763.0")
    endif()
    if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER_EQUAL "3.27.0")
        if (NOT DEFINED)
            # The minmal deploy target version: Windows 10, version 1809 (Build 10.0.17763) for building msix package
            # refer to: https://learn.microsoft.com/en-us/windows/msix/supported-platforms?source=recommendations
            set(CMAKE_VS_WINDOWS_TARGET_PLATFORM_MIN_VERSION ${AX_VS_DEPLOYMENT_TARGET})
        endif()
    else()
        if(DEFINED CMAKE_VS_WINDOWS_TARGET_PLATFORM_MIN_VERSION)
            unset(CMAKE_VS_WINDOWS_TARGET_PLATFORM_MIN_VERSION)
        endif()
    endif()
endif()

# config c standard
if (WINDOWS)
    message(STATUS "CMAKE_HOST_SYSTEM_VERSION: ${CMAKE_HOST_SYSTEM_VERSION}")
    message(STATUS "CMAKE_SYSTEM_VERSION: ${CMAKE_SYSTEM_VERSION}")
    message(STATUS "CMAKE_VS_WINDOWS_TARGET_PLATFORM_VERSION: ${CMAKE_VS_WINDOWS_TARGET_PLATFORM_VERSION}")
    if (DEFINED CMAKE_VS_WINDOWS_TARGET_PLATFORM_MIN_VERSION)
        message(STATUS "CMAKE_VS_WINDOWS_TARGET_PLATFORM_MIN_VERSION: ${CMAKE_VS_WINDOWS_TARGET_PLATFORM_MIN_VERSION}")
    endif()
    if (NOT CMAKE_SYSTEM_VERSION)
        set(CMAKE_SYSTEM_VERSION ${CMAKE_VS_WINDOWS_TARGET_PLATFORM_VERSION})
    endif()
    if (${CMAKE_SYSTEM_VERSION} VERSION_GREATER_EQUAL "10.0.22000.0")
        set(CMAKE_C_STANDARD 11)
    else()
        # windows sdk < 10.0.22000.0, The c11 header stdalign.h was missing, so workaroud fallback C standard to 99
        # refer to: 
        #  - https://github.com/axmolengine/axmol/issues/991
        #  - https://github.com/axmolengine/axmol/issues/1246
        message(WARNING "Forcing set CMAKE_C_STANDARD to 99 when winsdk < 10.0.22000.0")
        set(CMAKE_C_STANDARD 99)
    endif()
else()
    if(NOT DEFINED CMAKE_C_STANDARD)
        set(CMAKE_C_STANDARD 11)
    endif()
endif()
message(STATUS "CMAKE_C_STANDARD=${CMAKE_C_STANDARD}")
if(NOT DEFINED CMAKE_C_STANDARD_REQUIRED)
    set(CMAKE_C_STANDARD_REQUIRED ON)
endif()

# config c++ standard
if(NOT DEFINED CMAKE_CXX_STANDARD)
    if (NOT WINRT)
        set(CMAKE_CXX_STANDARD 20)
    else()
        set(CMAKE_CXX_STANDARD 17)
    endif()
endif()
message(STATUS "CMAKE_CXX_STANDARD=${CMAKE_CXX_STANDARD}")

if(NOT DEFINED CMAKE_CXX_STANDARD_REQUIRED)
    set(CMAKE_CXX_STANDARD_REQUIRED ON)
endif()
if(NOT DEFINED CMAKE_CXX_EXTENSIONS)
    set(CMAKE_CXX_EXTENSIONS OFF)
endif()

# check compiler on windows
if(WINDOWS)
    # not support other compile tools except MSVC for now
    if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
        message(STATUS "Using Windows clang generate axmol project, CLANG_VERSION: ${CLANG_VERSION_STRING}")
        set(FUZZ_CLANG TRUE)
        if (NOT MSVC)
            set(FULL_CLANG TRUE)
        else()
            set(FUZZ_MSVC TRUE)
        endif()
    elseif(CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
        # Visual Studio 2015, MSVC_VERSION 1900      (v140 toolset)
        # Visual Studio 2017, MSVC_VERSION 1910-1919 (v141 toolset)
        set(FUZZ_MSVC TRUE)
        set(FULL_MSVC TRUE)
        if(${MSVC_VERSION} EQUAL 1900 OR ${MSVC_VERSION} GREATER 1900)
            message(STATUS "Using Windows MSVC generate axmol project, MSVC_VERSION:${MSVC_VERSION}")
        else()
            message(FATAL_ERROR "Using Windows MSVC generate axmol project, MSVC_VERSION:${MSVC_VERSION} lower than needed")
        endif()
    else()
        message(FATAL_ERROR "Please using Windows MSVC/LLVM-Clang compile axmol project")
    endif()
endif()

if (FUZZ_MSVC)
    add_compile_options(/GF)
endif()

if (FULL_MSVC)
    add_compile_options(/Bv)
endif()

set(CMAKE_DEBUG_POSTFIX "" CACHE STRING "Library postfix for debug builds. Normally left blank." FORCE)

# set hash style to both for android old device compatible
# see also: https://github.com/axmolengine/axmol/discussions/614
if (ANDROID)
    set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--hash-style=both")
endif()

# Set macro definitions for special platforms
function(use_ax_compile_define target)
    target_compile_definitions(${target} PUBLIC $<$<CONFIG:Debug>:_AX_DEBUG=1>)

    # !important axmol not use double precision
    # target_compile_definitions(${target} PUBLIC CP_USE_CGTYPES=0)
    # target_compile_definitions(${target} PUBLIC CP_USE_DOUBLES=0)

    if(APPLE)
        target_compile_definitions(${target} PUBLIC __APPLE__)
        target_compile_definitions(${target} PUBLIC USE_FILE32API)
        if(AX_USE_GL)
            target_compile_definitions(${target}
                PUBLIC AX_USE_GL=1
                PUBLIC AX_GLES_PROFILE=${AX_GLES_PROFILE}
                PUBLIC GL_SILENCE_DEPRECATION=1
            )
        endif()
    elseif(LINUX)
        ax_config_pred(${target} AX_ENABLE_VLC_MEDIA)
        target_compile_definitions(${target} PUBLIC _GNU_SOURCE)
    elseif(ANDROID)
        target_compile_definitions(${target} PUBLIC AX_GLES_PROFILE=${AX_GLES_PROFILE})
        target_compile_definitions(${target} PUBLIC USE_FILE32API)
    elseif(EMSCRIPTEN)
        target_compile_definitions(${target} PUBLIC AX_GLES_PROFILE=${AX_GLES_PROFILE})
    elseif(WINDOWS)
        target_compile_definitions(${target} PUBLIC AX_GLES_PROFILE=${AX_GLES_PROFILE})
        ax_config_pred(${target} AX_ENABLE_VLC_MEDIA)
        target_compile_definitions(${target}
            PUBLIC WIN32
            PUBLIC _WIN32
            PUBLIC _WINDOWS
            PUBLIC UNICODE
            PUBLIC _UNICODE
            PUBLIC _CRT_SECURE_NO_WARNINGS
            PUBLIC _SCL_SECURE_NO_WARNINGS
            # PUBLIC GLAD_GLAPI_EXPORT
        )
        if(BUILD_SHARED_LIBS)
            target_compile_definitions(${target}
                PRIVATE _USRDLL
                PRIVATE _USEGUIDLL # ui
            )
        else()
            target_compile_definitions(${target} PUBLIC AX_STATIC)
        endif()
    endif()
endfunction()

# Set compiler options
function(use_ax_compile_options target)
    if (CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
        # Enable msvc multi-process building
        target_compile_options(${target} PUBLIC /MP)
    endif()
endfunction()

# softfp for android armv7a?
# if(ANDROID)
# 	if(${ANDROID_ABI} STREQUAL "armeabi-v7a")
#         set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfloat-abi=softfp")
#         set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfloat-abi=softfp")
# 	endif()
# endif()

if(EMSCRIPTEN)
    set(AX_COMPILE_FLAGS "-s USE_LIBJPEG=1 -s USE_LIBPNG=1 -s USE_ZLIB=1 -s USE_FREETYPE=1")
    if (CMAKE_BUILD_TYPE STREQUAL "Debug")
        string(APPEND AX_COMPILE_FLAGS " -gsource-map")
    endif()
    set(CMAKE_C_FLAGS  ${AX_COMPILE_FLAGS})
    set(CMAKE_CXX_FLAGS  ${AX_COMPILE_FLAGS})
endif()

# Try enable asm & nasm compiler support
set(can_use_assembler TRUE)
enable_language(ASM)
enable_language(ASM_NASM OPTIONAL)

if(NOT EXISTS "${CMAKE_ASM_NASM_COMPILER}")
   set(CMAKE_ASM_NASM_COMPILER_LOADED FALSE CACHE BOOL "Does cmake asm nasm compiler loaded" FORCE)
   message(WARNING "The nasm compiler doesn't present on your system PATH, please download from: https://www.nasm.us/pub/nasm/releasebuilds/2.16.01/")
endif()