# SPDX-License-Identifier: Apache-2.0
# ARCS SDK 版本管理
# 参考: VERSION_SYSTEM_REFERENCE_CN.md

# 包含十六进制转换工具
include(${ARCS_SDK_BASE}/cmake/hex.cmake)

# 读取 VERSION 文件
file(READ ${ARCS_SDK_BASE}/VERSION ver)

# 使用正则表达式解析每个版本组件
string(REGEX MATCH "VERSION_MAJOR = ([0-9]*)" _ ${ver})
set(PROJECT_VERSION_MAJOR ${CMAKE_MATCH_1})

string(REGEX MATCH "VERSION_MINOR = ([0-9]*)" _ ${ver})
set(PROJECT_VERSION_MINOR ${CMAKE_MATCH_1})

string(REGEX MATCH "PATCHLEVEL = ([0-9]*)" _ ${ver})
set(PROJECT_VERSION_PATCH ${CMAKE_MATCH_1})

string(REGEX MATCH "VERSION_TWEAK = ([0-9]*)" _ ${ver})
set(PROJECT_VERSION_TWEAK ${CMAKE_MATCH_1})

string(REGEX MATCH "EXTRAVERSION = ([a-z0-9]*)" _ ${ver})
set(PROJECT_VERSION_EXTRA ${CMAKE_MATCH_1})

# 设置导出变量（用于 C 头文件）
set(SDK_VERSION_MAJOR ${PROJECT_VERSION_MAJOR})
set(SDK_VERSION_MINOR ${PROJECT_VERSION_MINOR})
set(SDK_PATCHLEVEL ${PROJECT_VERSION_PATCH})

# 构建版本字符串（不包含 TWEAK）
set(PROJECT_VERSION_WITHOUT_TWEAK ${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}.${PROJECT_VERSION_PATCH})

# 构建完整版本（TWEAK 非零时包含）
if(PROJECT_VERSION_TWEAK AND NOT PROJECT_VERSION_TWEAK EQUAL 0)
    set(PROJECT_VERSION ${PROJECT_VERSION_WITHOUT_TWEAK}.${PROJECT_VERSION_TWEAK})
else()
    set(PROJECT_VERSION ${PROJECT_VERSION_WITHOUT_TWEAK})
endif()

# 构建版本字符串（用于显示）
# 规则：优先显示 EXTRA，其次显示 TWEAK，最后显示基础版本
if(PROJECT_VERSION_EXTRA AND NOT PROJECT_VERSION_EXTRA STREQUAL "0")
    # 有 EXTRA 后缀：显示 MAJOR.MINOR.PATCH-EXTRA（不显示 TWEAK）
    set(PROJECT_VERSION_STR "${PROJECT_VERSION_WITHOUT_TWEAK}-${PROJECT_VERSION_EXTRA}")
    set(SDK_VERSION_STRING "\"${PROJECT_VERSION_WITHOUT_TWEAK}-${PROJECT_VERSION_EXTRA}\"")
elseif(PROJECT_VERSION_TWEAK AND NOT PROJECT_VERSION_TWEAK EQUAL 0)
    # 有 TWEAK：显示 MAJOR.MINOR.PATCH.TWEAK
    set(PROJECT_VERSION_STR "${PROJECT_VERSION}")
    set(SDK_VERSION_STRING "\"${PROJECT_VERSION}\"")
else()
    # 正式版本：显示 MAJOR.MINOR.PATCH
    set(PROJECT_VERSION_STR "${PROJECT_VERSION_WITHOUT_TWEAK}")
    set(SDK_VERSION_STRING "\"${PROJECT_VERSION_WITHOUT_TWEAK}\"")
endif()

# 计算数值版本（用于版本比较）
# SDK_VERSION_NUMBER: 24位编码 0xMMNNPP (MAJOR.MINOR.PATCH)
math(EXPR SDK_VERSION_NUMBER_INT "(${PROJECT_VERSION_MAJOR} << 16) + (${PROJECT_VERSION_MINOR} << 8) + (${PROJECT_VERSION_PATCH})")
to_hex(${SDK_VERSION_NUMBER_INT} SDK_VERSION_NUMBER)

# SDKVERSION: 32位编码 0xMMNNPPTT (MAJOR.MINOR.PATCH.TWEAK)
math(EXPR SDKVERSION_INT "(${PROJECT_VERSION_MAJOR} << 24) + (${PROJECT_VERSION_MINOR} << 16) + (${PROJECT_VERSION_PATCH} << 8) + (${PROJECT_VERSION_TWEAK})")
to_hex(${SDKVERSION_INT} SDKVERSION)

# SDK_VERSION_CODE: 与 SDK_VERSION_NUMBER_INT 相同（用于兼容）
set(SDK_VERSION_CODE ${SDK_VERSION_NUMBER_INT})

# 打印版本信息（可以通过 NO_PRINT_VERSION 禁用）
if(NOT NO_PRINT_VERSION)
    message(STATUS "arcs_sdk: ${PROJECT_VERSION_STR} (${ARCS_SDK_BASE})")
endif()