#ifndef INCLUDED_C_PLATFORM_H
#define INCLUDED_C_PLATFORM_H

/* ==============================================================================
 * 🎯 1. 编译器类型常量（严格以 C_ 开头）
 * ============================================================================== */
#define C_COMPILER_TYPE_UNKNOWN 0
#define C_COMPILER_TYPE_GCC     1
#define C_COMPILER_TYPE_CLANG   2
#define C_COMPILER_TYPE_MSVC    3

/* 初始化默认值 */
#define C_CURRENT_COMPILER_TYPE C_COMPILER_TYPE_UNKNOWN
#define C_CURRENT_COMPILER_NAME "Unknown Compiler"
#define C_CURRENT_COMPILER_VERSION 0

/* 核心阻断：Clang 具有欺骗性（会同时定义 __GNUC__ 或 _MSC_VER），必须优先判定 */
#if defined(__clang__)
    #undef  C_CURRENT_COMPILER_TYPE
    #undef  C_CURRENT_COMPILER_NAME
    #define C_CURRENT_COMPILER_TYPE C_COMPILER_TYPE_CLANG
    #define C_CURRENT_COMPILER_NAME "Clang"

    #undef  C_CURRENT_COMPILER_VERSION
    #define C_CURRENT_COMPILER_VERSION (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__)

#elif defined(__GNUC__) || defined(__GNUG__)
    #undef  C_CURRENT_COMPILER_TYPE
    #undef  C_CURRENT_COMPILER_NAME
    #define C_CURRENT_COMPILER_TYPE C_COMPILER_TYPE_GCC
    #define C_CURRENT_COMPILER_NAME "GCC"

    #undef  C_CURRENT_COMPILER_VERSION
    #if defined(__GNUC_PATCHLEVEL__)
        #define C_CURRENT_COMPILER_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
    #else
        #define C_CURRENT_COMPILER_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100)
    #endif

#elif defined(_MSC_VER)
    #undef  C_CURRENT_COMPILER_TYPE
    #undef  C_CURRENT_COMPILER_NAME
    #define C_CURRENT_COMPILER_TYPE C_COMPILER_TYPE_MSVC
    #define C_CURRENT_COMPILER_NAME "Microsoft Visual C++"

    #undef  C_CURRENT_COMPILER_VERSION
    #if defined(_MSC_FULL_VER)
        #define C_CURRENT_COMPILER_VERSION (_MSC_FULL_VER / 1000)
    #else
        #define C_CURRENT_COMPILER_VERSION (_MSC_VER * 100)
    #endif
#endif


/* ==============================================================================
 * 🎯 2. 快捷判定辅助宏（严格以 C_ 开头，0 或 1 显式映射）
 * ============================================================================== */
#if C_CURRENT_COMPILER_TYPE == C_COMPILER_TYPE_GCC
    #define C_IS_COMPILER_GCC   1
#else
    #define C_IS_COMPILER_GCC   0
#endif

#if C_CURRENT_COMPILER_TYPE == C_COMPILER_TYPE_CLANG
    #define C_IS_COMPILER_CLANG 1
#else
    #define C_IS_COMPILER_CLANG 0
#endif

#if C_CURRENT_COMPILER_TYPE == C_COMPILER_TYPE_MSVC
    #define C_IS_COMPILER_MSVC  1
#else
    #define C_IS_COMPILER_MSVC  0
#endif


/* ==============================================================================
 * 🎯 3. 操作系统环境识别矩阵（严格以 C_ 开头，无缝对接跨平台需求）
 * ============================================================================== */
#define C_OS_TYPE_UNKNOWN 0
#define C_OS_TYPE_WINDOWS 1
#define C_OS_TYPE_LINUX   2
#define C_OS_TYPE_MACOS   3
#define C_OS_TYPE_FREEBSD 4

#define C_CURRENT_OS_TYPE C_OS_TYPE_UNKNOWN
#define C_CURRENT_OS_NAME "Unknown OS"

#if defined(_WIN32) || defined(_WIN64) || defined(__CYGWIN__)
    #undef  C_CURRENT_OS_TYPE
    #undef  C_CURRENT_OS_NAME
    #define C_CURRENT_OS_TYPE C_OS_TYPE_WINDOWS
    #define C_CURRENT_OS_NAME "Windows"

#elif defined(__APPLE__) && defined(__MACH__)
    #undef  C_CURRENT_OS_TYPE
    #undef  C_CURRENT_OS_NAME
    #define C_CURRENT_OS_TYPE C_OS_TYPE_MACOS
    #define C_CURRENT_OS_NAME "macOS"

#elif defined(__linux__) || defined(__linux)
    #undef  C_CURRENT_OS_TYPE
    #undef  C_CURRENT_OS_NAME
    #define C_CURRENT_OS_TYPE C_OS_TYPE_LINUX
    #define C_CURRENT_OS_NAME "Linux"

#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
    #undef  C_CURRENT_OS_TYPE
    #undef  C_CURRENT_OS_NAME
    #define C_CURRENT_OS_TYPE C_OS_TYPE_FREEBSD
    #define C_CURRENT_OS_NAME "FreeBSD"
#endif

/* 操作系统快捷判定 */
#define C_IS_OS_WINDOWS (C_CURRENT_OS_TYPE == C_OS_TYPE_WINDOWS)
#define C_IS_OS_LINUX   (C_CURRENT_OS_TYPE == C_OS_TYPE_LINUX)
#define C_IS_OS_MACOS   (C_CURRENT_OS_TYPE == C_OS_TYPE_MACOS)
#define C_IS_OS_FREEBSD (C_CURRENT_OS_TYPE == C_OS_TYPE_FREEBSD)


/* ==============================================================================
 * 🎯 4. 特化环境：MinGW / MSYS2 环境检测（严格以 C_ 开头）
 * ============================================================================== */
#if defined(__MINGW32__) || defined(__MINGW64__)
    #define C_ENVIRONMENT_IS_MINGW 1
#else
    #define C_ENVIRONMENT_IS_MINGW 0
#endif


#endif /*INCLUDED_C_PLATFORM_H*/