cmake_minimum_required(VERSION 3.5)

unset(CLANG_TIDY_EXE  CACHE)
set(CMAKE_SOURCE_DIR_IPCSDK     "${CMAKE_CURRENT_SOURCE_DIR}"  CACHE STRING INTERNAL)
include(build/global_config.cmake)

project(fancycode)

# set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
set(CMAKE_CXX_STANDARD_INCLUDE_DIRECTORIES ${CMAKE_CXX_IMPLICIT_INCLUDE_DIRECTORIES})

message("platform = ${TARGET_PLATFORM}")
message("platform PATH = ${PLATFORM_PATH}")

add_custom_target(
  sdk_clean
  COMMAND echo "sdk clean finished."
  WORKING_DIRECTORY ${PLATFORM_PATH}/cmake-shell/
)

# Gdb debug
include(build/sdk_config.cmake)

# 查看是工具链支持情况
include(CheckCXXCompilerFlag)
CHECK_CXX_COMPILER_FLAG("-std=c++11" COMPILER_SUPPORTS_CXX11)
CHECK_CXX_COMPILER_FLAG("-std=c++0x" COMPILER_SUPPORTS_CXX0X)
CHECK_CXX_COMPILER_FLAG("-std=c++14" COMPILER_SUPPORTS_CXX14)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99")

# 获取所有修改过的文件
execute_process(
	COMMAND git diff --name-only --diff-filter=ACMRT
	OUTPUT_VARIABLE MODIFIED_FILES
	OUTPUT_STRIP_TRAILING_WHITESPACE
	WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
)
set(ALL_MODEFIED_FILES "")
string(LENGTH "${MODIFIED_FILES}" GIT_RESULT_STRING_LENGTH)
if(GIT_RESULT_STRING_LENGTH EQUAL 0)
	message("Nothing changed.")
else()
	string(REPLACE "\n" ";" MODIFIED_FILES_LIST ${MODIFIED_FILES})
endif()
# 遍历每个文件
foreach(FILE ${MODIFIED_FILES_LIST})
	# 检查文件扩展名，只格式化.cpp和.h文件
	get_filename_component(FILE_EXT ${FILE} EXT)
	if(FILE_EXT MATCHES "\\.(c|cpp|h)$")
	set(ALL_MODEFIED_FILES "${ALL_MODEFIED_FILES};${FILE}")
	endif()
endforeach()
# 获取未跟踪的文件
execute_process(
	COMMAND git ls-files --others --exclude-standard
	OUTPUT_VARIABLE UNTRACKED_FILES
	OUTPUT_STRIP_TRAILING_WHITESPACE
	WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
)
string(LENGTH "${UNTRACKED_FILES}" GIT_RESULT_STRING_LENGTH)
if(GIT_RESULT_STRING_LENGTH EQUAL 0)
else()
	string(REPLACE "\n" ";" UNTRACKED_FILES_LIST ${UNTRACKED_FILES})
endif()
# 遍历每个文件
foreach(FILE ${UNTRACKED_FILES_LIST})
	# 检查文件扩展名，只格式化.cpp和.h文件
	get_filename_component(FILE_EXT ${FILE} EXT)
	if(FILE_EXT MATCHES "\\.(c|cpp|h)$")
	set(ALL_MODEFIED_FILES "${ALL_MODEFIED_FILES};${FILE}")
	endif()
endforeach()
string(LENGTH "${ALL_MODEFIED_FILES}" MODIFIED_STRING_LENGTH)
# find the clang-tidy tools
unset(CLANG_TIDY_EXE  CACHE)
unset(CLANG_TIDY_FIND  CACHE)
if ("${CLANG_TIDY_SUPPORT}" MATCHES "true")
	find_program(CLANG_TIDY_FIND NAMES clang-tidy PATHS ${LLVM_PATH}/build/bin)
	if(CLANG_TIDY_FIND)
	message(STATUS "clang-tidy found: ${CLANG_TIDY_FIND}")
	# set(CMAKE_CXX_CLANG_TIDY "${CLANG_TIDY_EXE}" "-header-filter=no.h -system-headers=no.h -checks=modernize-use-override")
	set(CLANG_TIDY_EXE ${CLANG_TIDY_FIND} CACHE STRING INTERNAL)
	message("CLANG_TIDY_EXE = ${CLANG_TIDY_EXE}")

	if(MODIFIED_STRING_LENGTH GREATER 0)
	add_custom_target(
		check_modified_code
		COMMAND ${CLANG_TIDY_EXE}
		-checks='${CLANG_TIDY_CHECKS}'
		--header-filter=.*
		--system-headers=false
		${ALL_MODEFIED_FILES}
		${CLANG_TIDY_CONFIG}
		--line-filter='[{\"name\":\"${EXTERNAL_SOURCE_PATH}/gtest/googletest-release-1.11.0/googletest/include/getest/*.h\"}]'
		-p ${PLATFORM_PATH}/cmake-shell
		WORKING_DIRECTORY ${PLATFORM_PATH}
	)
	endif()
	
	else()
	# message(FATAL_ERROR "See ${CMAKE_SOURCE_DIR_IPCSDK}/doc.")
	message(FATAL_ERROR "You set support clang-tidy, but clang-tidy not found.
Check path ${LLVM_PATH}/build/bin, weather clang-tidy exist.
How to install tools?
See ${IPC_SDK_PATH}/doc/clang-tidy_user_guide.md
How to disable clang-tidy tool?
Modify: set(CLANG_TIDY_SUPPORT  \"false\")
See:${IPC_SDK_PATH}/builde/global_config.cmake")
	endif()
endif()
# find the clang-format tools
unset(CLANG_FORMAT_EXE  CACHE)
unset(CLANG_FORMAT_FIND  CACHE)
if ("${CLANG_FORMAT_SUPPORT}" MATCHES "true")
    find_program(CLANG_FORMAT_FIND NAMES clang-format PATHS ${LLVM_PATH}/build/bin)
	if(CLANG_FORMAT_FIND)
	message(STATUS "clang-format found: ${CLANG_FORMAT_FIND}")
	set(CLANG_FORMAT_EXE ${CLANG_FORMAT_FIND} CACHE STRING INTERNAL)
	message("CLANG_FORMAT_EXE = ${CLANG_FORMAT_EXE}")

	if(MODIFIED_STRING_LENGTH GREATER 0)
	add_custom_target(
		format_modified_code
		COMMAND ${CLANG_FORMAT_EXE}
		-style=file
		-i ${ALL_MODEFIED_FILES}
		WORKING_DIRECTORY ${PLATFORM_PATH}
	)
	endif()

	else()
	message(FATAL_ERROR "You set support clang-format, but clang-format not found.
Check path ${LLVM_PATH}/build/bin, weather clang-format exist.
How to install tools?
See ${IPC_SDK_PATH}/doc/clang-tidy_user_guide.md
How to disable clang-format tool?
Modify: set(CLANG_FORMAT_SUPPORT  \"false\") 
See:${IPC_SDK_PATH}/builde/global_config.cmake")
	endif()
endif()

if(MODIFIED_STRING_LENGTH GREATER 0)
if ("${CLANG_TIDY_SUPPORT}" MATCHES "true" AND "${CLANG_FORMAT_SUPPORT}" MATCHES "true")
add_custom_target(
	improve_modified_code
	DEPENDS format_modified_code check_modified_code
)
endif()
endif()

if(${TARGET_PLATFORM} MATCHES ${DEFINE_LINUX})
# execute_process(COMMAND sh build_lvgl_for_cmakelist.sh ${TARGET_PLATFORM} ${CMAKE_SOURCE_DIR_IPCSDK} WORKING_DIRECTORY ${EXTERNAL_SOURCE_PATH}/lvglLinux-x86/)
# add_subdirectory(external/lvglLinux-x86)
endif()

#Add macro definition
# add_definitions(-DCONFIG_FILE_PATH=\"${CONFIG_FILE_PATH}\")

# Config message of main thread
unset(MAIN_INCLUDE_PATH CACHE)
set(MAIN_INCLUDE_PATH     "" CACHE STRING INTERNAL)
unset(MAIN_SRC_FILE CACHE)
set(MAIN_SRC_FILE        "" CACHE STRING INTERNAL)
unset(MAIN_LINK_LIB CACHE)
set(MAIN_LINK_LIB        "" CACHE STRING INTERNAL)

# Config message for test code.
unset(TEST_LINK_LIB CACHE)
set(TEST_LINK_LIB     "" CACHE STRING INTERNAL)
unset(TEST_LINUX_MOCK CACHE)
set(TEST_LINUX_MOCK     "" CACHE STRING INTERNAL)
# if(${TARGET_PLATFORM} MATCHES ${DEFINE_LINUX})
set(TEST_LINK_LIB     "testUtils" CACHE STRING INTERNAL FORCE)
# endif()

# 添加编译目录
add_subdirectory(external)
# 检查子目录 application 是否存在，存在再添加
if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/test/CMakeLists.txt")
    message(STATUS "application exists, add application to project.")
	add_subdirectory(application)
else()
    message(STATUS "application not exists.")
endif()
add_subdirectory(middleware)
add_subdirectory(utils)
add_subdirectory(hal)
# add_subdirectory(customization)

string(COMPARE EQUAL "${PLATFORM_PATH}" "" value)
message("The platform path is \"${PLATFORM_PATH}\".")
if (value EQUAL 0) #变量被设置了
message("build chip board code.")
# add_subdirectory(${PLATFORM_PATH})
# aux_source_directory(${PLATFORM_PATH})
endif()

message("MAIN_INCLUDE_PATH = ${MAIN_INCLUDE_PATH}")
message("MAIN_SRC_FILE = ${MAIN_SRC_FILE}")
message("MAIN_LINK_LIB = ${MAIN_LINK_LIB}")
# 检查子目录 test 是否存在，存在再添加
if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/test/CMakeLists.txt")
    message(STATUS "test exists, add test to project.")
    add_subdirectory(test)
else()
    message(STATUS "test not exists.")
endif()

# include(build/global_config.cmake)