# Copyright 2023 PingCAP, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

if (USE_INCLUDE_WHAT_YOU_USE)
    set (CMAKE_CXX_INCLUDE_WHAT_YOU_USE ${IWYU_PATH})
endif ()

set (CONFIG_VERSION ${CMAKE_CURRENT_BINARY_DIR}/src/Common/config_version.h)
set (CONFIG_COMMON ${CMAKE_CURRENT_BINARY_DIR}/src/Common/config.h)
set (CONFIG_BUILD ${CMAKE_CURRENT_BINARY_DIR}/src/Common/config_build.cpp)

include (cmake/version.cmake)
configure_file (${CMAKE_CURRENT_SOURCE_DIR}/src/Common/config.h.in ${CONFIG_COMMON})
configure_file (${CMAKE_CURRENT_SOURCE_DIR}/src/Common/config_version.h.in ${CONFIG_VERSION})

get_property (BUILD_COMPILE_DEFINITIONS DIRECTORY ${TiFlash_SOURCE_DIR} PROPERTY COMPILE_DEFINITIONS)
get_property (BUILD_INCLUDE_DIRECTORIES DIRECTORY ${TiFlash_SOURCE_DIR} PROPERTY INCLUDE_DIRECTORIES)
string (TIMESTAMP BUILD_DATE "%Y-%m-%d" UTC)
configure_file (${CMAKE_CURRENT_SOURCE_DIR}/src/Common/config_build.cpp.in ${CONFIG_BUILD})

if (NOT MSVC)
    set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wextra")
endif ()

if (NOT NO_WERROR)
    set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror")
    set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror")
endif ()

find_package (Threads)

if (ENABLE_FAILPOINTS)
    add_definitions(-DFIU_ENABLE)
endif()

include_directories (src)
add_subdirectory (src)

set(dbms_headers)
set(dbms_sources)

include(${TiFlash_SOURCE_DIR}/cmake/dbms_glob_sources.cmake)

add_headers_and_sources(tiflash_common_io src/Common)
add_headers_and_sources(tiflash_common_io src/Common/HashTable)
add_headers_and_sources(tiflash_common_io src/Common/SyncPoint)
add_headers_and_sources(tiflash_common_io src/IO)
add_headers_and_sources(tiflash_common_io src/IO/BaseFile)
add_headers_and_sources(tiflash_common_io src/IO/Buffer)
add_headers_and_sources(tiflash_common_io src/IO/Checksum)

add_headers_and_sources(dbms src/Analyzers)
add_headers_and_sources(dbms src/Core)
add_headers_and_sources(dbms src/DataStreams)
add_headers_and_sources(dbms src/Operators)
add_headers_and_sources(dbms src/DataTypes)
add_headers_and_sources(dbms src/Databases)
add_headers_and_sources(dbms src/Debug)
add_headers_and_sources(dbms src/Debug/MockExecutor)
add_headers_and_sources(dbms src/Debug/MockKVStore)
add_headers_and_sources(dbms src/Debug/dbgKVStore)
add_headers_and_sources(dbms src/Dictionaries)
# Encryption needs to link tiflash-proxy, but we do not want to link tiflash-proxy to tiflash_common_io.
# So we put the encryption source files in dbms.
add_headers_and_sources(dbms src/IO/Encryption)
# Some source files under src/IO/Compression need to use specific cxx flags.
# In order to enable PCH for tiflash_common_io, so we put it in dbms as well.
add_headers_and_sources(dbms src/IO/Compression)
# FileProvider relies on Encryption, so we put it in dbms as well.
add_headers_and_sources(dbms src/IO/FileProvider)
add_headers_and_sources(dbms src/Interpreters)
add_headers_and_sources(dbms src/Interpreters/SharedContexts)
add_headers_and_sources(dbms src/Interpreters/JoinV2)
add_headers_and_sources(dbms src/Columns)
add_headers_and_sources(dbms src/Storages)
add_headers_and_sources(dbms src/Storages/S3)
add_headers_and_sources(dbms src/WindowFunctions)
add_headers_and_sources(dbms src/TiDB/Decode)
add_headers_and_sources(dbms src/TiDB/Collation)
add_headers_and_sources(dbms src/TiDB/Schema)
add_headers_and_sources(dbms src/TiDB/Etcd)
add_headers_and_sources(dbms src/TiDB)
add_headers_and_sources(dbms src/Client)
add_headers_only(dbms src/Flash/Coprocessor)
add_headers_only(dbms src/Server)

add_headers_and_sources(tiflash_vector_search src/VectorSearch)

check_then_add_sources_compile_flag (
    TIFLASH_ENABLE_ARCH_HASWELL_SUPPORT
    "${TIFLASH_COMPILER_ARCH_HASWELL_FLAG}"
    src/Columns/ColumnString.cpp
    src/Columns/ColumnVector.cpp
    src/Columns/ColumnDecimal.cpp
    src/Columns/ColumnArray.cpp
    src/Columns/ColumnNullable.cpp
    src/Columns/ColumnFixedString.cpp
    src/Columns/countBytesInFilter.cpp
    src/Columns/ColumnUtil.cpp
    src/DataTypes/DataTypeString.cpp
    src/Interpreters/Join.cpp
    src/Interpreters/JoinV2/HashJoin.cpp
    src/Interpreters/JoinV2/HashJoinBuild.cpp
    src/Interpreters/JoinV2/HashJoinProbe.cpp
    src/Interpreters/JoinV2/SemiJoinProbe.cpp
    src/IO/Compression/EncodingUtil.cpp
    src/Storages/DeltaMerge/BitmapFilter/BitmapFilter.cpp
    src/Storages/DeltaMerge/DMVersionFilterBlockInputStream.cpp
)

list (APPEND tiflash_common_io_sources ${CONFIG_BUILD})
list (APPEND tiflash_common_io_headers ${CONFIG_VERSION} ${CONFIG_COMMON})
list (APPEND tiflash_common_io_headers ${fiu_include_dirs})

list (APPEND dbms_sources src/Functions/IFunction.cpp src/Functions/FunctionFactory.cpp src/Functions/FunctionHelpers.cpp)
list (APPEND dbms_headers src/Functions/IFunction.h src/Functions/FunctionFactory.h src/Functions/FunctionHelpers.h)

list (APPEND dbms_sources
    src/AggregateFunctions/AggregateFunctionFactory.cpp
    src/AggregateFunctions/AggregateFunctionCombinatorFactory.cpp
    src/AggregateFunctions/AggregateFunctionState.cpp
    src/AggregateFunctions/FactoryHelpers.cpp
    src/AggregateFunctions/parseAggregateFunctionParameters.cpp)

list (APPEND dbms_headers
    src/AggregateFunctions/IAggregateFunction.h
    src/AggregateFunctions/IAggregateFunctionCombinator.h
    src/AggregateFunctions/AggregateFunctionFactory.h
    src/AggregateFunctions/AggregateFunctionCombinatorFactory.h
    src/AggregateFunctions/AggregateFunctionState.h
    src/AggregateFunctions/FactoryHelpers.h
    src/AggregateFunctions/parseAggregateFunctionParameters.h)

add_library(tiflash_common_io ${SPLIT_SHARED} ${tiflash_common_io_headers} ${tiflash_common_io_sources})
target_link_libraries(tiflash_common_io PUBLIC process_metrics)
target_include_directories(tiflash_common_io BEFORE PUBLIC ${XXHASH_INCLUDE_DIR} ${TiFlash_SOURCE_DIR}/libs/libprocess_metrics/include)
target_include_directories(tiflash_common_io PUBLIC ${TiFlash_SOURCE_DIR}/contrib/not_null/include)

if (OS_FREEBSD)
    target_compile_definitions (tiflash_common_io PUBLIC CLOCK_MONOTONIC_COARSE=CLOCK_MONOTONIC_FAST)
endif ()

add_subdirectory(src/Common/Config)

if (MAKE_STATIC_LIBRARIES)
    add_library(dbms ${dbms_headers} ${dbms_sources})
else ()
    add_library(dbms SHARED ${dbms_headers} ${dbms_sources})
    set_target_properties (dbms PROPERTIES SOVERSION ${VERSION_MAJOR} VERSION ${VERSION_SO} OUTPUT_NAME tiflash)
    install (TARGETS dbms LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT tiflash)
endif ()

target_include_directories(dbms PUBLIC "${TIFLASH_PROXY_INCLUDE_DIR}")

if (CMAKE_BUILD_TYPE_UC STREQUAL "RELEASE" OR CMAKE_BUILD_TYPE_UC STREQUAL "RELWITHDEBINFO" OR CMAKE_BUILD_TYPE_UC STREQUAL "MINSIZEREL")
    # Won't generate debug info for files with heavy template instantiation to achieve faster linking and lower size.
    set_source_files_properties(
        src/Dictionaries/CacheDictionary.cpp
        src/Dictionaries/TrieDictionary.cpp
        src/Dictionaries/HTTPDictionarySource.cpp
        src/Dictionaries/LibraryDictionarySource.cpp
        src/Dictionaries/ExecutableDictionarySource.cpp
        PROPERTIES COMPILE_FLAGS -g0)
endif ()

if (NOT ARCH_ARM)
    set (LINK_LIBRARIES_ONLY_ON_X86_64 cpuid)
endif()

target_link_libraries (tiflash_common_io
    PUBLIC
    common
    string_utils
    ${LINK_LIBRARIES_ONLY_ON_X86_64}
    ${LZ4_LIBRARY}
    ${ZSTD_LIBRARY}
    ${DOUBLE_CONVERSION_LIBRARIES}
    ${Poco_Net_LIBRARY}
    ${Poco_Data_LIBRARY}
    ${ZLIB_LIBRARIES}
    ${EXECINFO_LIBRARY}
    ${Boost_SYSTEM_LIBRARY}
    ${CMAKE_DL_LIBS}
    fiu
    prometheus-cpp::core
    prometheus-cpp::push
    prometheus-cpp::pull
    cpptoml
    magic_enum
    simdjson
    libsymbolization
    ${RE2_LIBRARY}
    ${RE2_ST_LIBRARY}
    fastpforlib
)

target_include_directories (tiflash_common_io BEFORE PRIVATE ${kvClient_SOURCE_DIR}/include)
target_compile_definitions (tiflash_common_io PUBLIC -DTIFLASH_SOURCE_PREFIX=\"${TiFlash_SOURCE_DIR}\")

add_library(tiflash_vector_search
    ${tiflash_vector_search_headers}
    ${tiflash_vector_search_sources}
)
target_link_libraries(tiflash_vector_search
    tiflash_contrib::usearch
    tiflash_contrib::simsimd

    fmt
)

target_link_libraries (dbms
    ${OPENSSL_CRYPTO_LIBRARY}
    ${BTRIE_LIBRARIES}
    absl::synchronization
    tiflash_contrib::aws_s3
    tiflash_vector_search

    etcdpb
    tiflash_parsers
    tiflash_common_config
    tiflash_common_io
    flash_service
    kvproto
    kv_client
    tipb
    dtpb
    RemoteTaskProto
    PSCheckpointProto
    kvstore
)

if (ENABLE_CLARA)
    target_link_libraries(dbms clara_shared)
endif ()

# always add GmSSL include dir to the include path for static analysis
target_include_directories(dbms PRIVATE ${TiFlash_SOURCE_DIR}/contrib/GmSSL/include)
if (USE_GM_SSL)
    target_link_libraries(dbms gmssl)
endif ()

if (NOT USE_INTERNAL_RE2_LIBRARY)
    target_include_directories (tiflash_common_io BEFORE PRIVATE ${RE2_INCLUDE_DIR})
    target_include_directories (dbms BEFORE PRIVATE ${RE2_INCLUDE_DIR})
endif ()

target_include_directories (tiflash_common_io BEFORE PUBLIC ${Boost_INCLUDE_DIRS})

if (Poco_Data_FOUND AND NOT USE_INTERNAL_POCO_LIBRARY)
    target_include_directories (tiflash_common_io PRIVATE ${Poco_Data_INCLUDE_DIRS})
    target_include_directories (dbms PRIVATE ${Poco_Data_INCLUDE_DIRS})
endif()

# NetSSL headers are exposed in tiflash_common_io's headers.
# We mark it public to make the headers available.
if (Poco_NetSSL_FOUND)
    target_link_libraries (tiflash_common_io PUBLIC ${Poco_NetSSL_LIBRARY})
    target_no_warning (tiflash_common_io deprecated-enum-enum-conversion)
endif()

target_link_libraries (dbms ${Poco_Foundation_LIBRARY})

target_link_libraries (dbms
    Threads::Threads
)

target_include_directories (dbms BEFORE PRIVATE ${DIVIDE_INCLUDE_DIR})
target_include_directories (dbms BEFORE PRIVATE ${SPARCEHASH_INCLUDE_DIR})

if (NOT USE_INTERNAL_LZ4_LIBRARY)
    target_include_directories (dbms BEFORE PRIVATE ${LZ4_INCLUDE_DIR})
endif ()
if (NOT USE_INTERNAL_ZSTD_LIBRARY)
    target_include_directories (dbms BEFORE PRIVATE ${ZSTD_INCLUDE_DIR})
endif ()

if (USE_QPL)
    target_link_libraries (tiflash_common_io PUBLIC ${QPL_LIBRARY})
    target_include_directories (dbms BEFORE PRIVATE ${QPL_INCLUDE_DIR})
    set_source_files_properties (
        src/IO/Compression/CompressionCodecDeflateQpl.cpp
        PROPERTIES COMPILE_FLAGS "-mwaitpkg")
endif ()

target_include_directories (dbms PUBLIC ${DBMS_INCLUDE_DIR})
target_include_directories (tiflash_common_io PUBLIC ${DBMS_INCLUDE_DIR})
target_include_directories (tiflash_common_io PUBLIC ${PCG_RANDOM_INCLUDE_DIR})
target_include_directories (tiflash_common_io BEFORE PUBLIC ${DOUBLE_CONVERSION_INCLUDE_DIR})

# also for copy_headers.sh:
target_include_directories (tiflash_common_io BEFORE PRIVATE ${COMMON_INCLUDE_DIR})
# https://cmake.org/pipermail/cmake/2016-May/063400.html
target_link_libraries (tiflash_common_io PUBLIC ${TIFLASH_XXHASH_LIBRARY})

function(add_target_pch context target)
    if (ENABLE_PCH)
        message(STATUS "Add PCH `${context}` for target `${target}`")
        target_precompile_headers(${target} PRIVATE ${context})
    endif ()
    if(${ARGC} GREATER 2)
        add_target_pch(${context} ${ARGN})
    endif()
endfunction()

if (ENABLE_TESTS)
    include (${TiFlash_SOURCE_DIR}/cmake/find_gtest.cmake)

    if (USE_INTERNAL_GTEST_LIBRARY)
        set(INSTALL_GTEST OFF)
        # Google Test from sources
        add_subdirectory(${TiFlash_SOURCE_DIR}/contrib/googletest/googletest ${CMAKE_CURRENT_BINARY_DIR}/googletest)
        # avoid problems with <regexp.h>
        target_compile_definitions (gtest INTERFACE GTEST_HAS_POSIX_RE=0)
        target_include_directories (gtest INTERFACE ${TiFlash_SOURCE_DIR}/contrib/googletest/googletest/include)
    endif ()

    macro(grep_gtest_sources BASE_DIR DST_VAR)
        # Cold match files that are not in tests/ directories
        file(GLOB_RECURSE "${DST_VAR}" RELATIVE "${BASE_DIR}" "gtest*.cpp")
    endmacro()

    macro(grep_bench_sources BASE_DIR DST_VAR)
        # Cold match files that are not in tests/ directories
        file(GLOB_RECURSE "${DST_VAR}" RELATIVE "${BASE_DIR}" "bench*.cpp")
    endmacro()

    # attach all dbms gtest sources
    grep_gtest_sources(${TiFlash_SOURCE_DIR}/dbms dbms_gtest_sources)
    add_executable(gtests_dbms EXCLUDE_FROM_ALL
        ${dbms_gtest_sources}
        ${TiFlash_SOURCE_DIR}/dbms/src/Server/StorageConfigParser.cpp
        ${TiFlash_SOURCE_DIR}/dbms/src/Server/UserConfigParser.cpp
        ${TiFlash_SOURCE_DIR}/dbms/src/Server/RaftConfigParser.cpp
        ${TiFlash_SOURCE_DIR}/dbms/src/AggregateFunctions/AggregateFunctionSum.cpp
    )
    target_include_directories(gtests_dbms BEFORE PRIVATE ${SPARCEHASH_INCLUDE_DIR})
    target_compile_definitions(gtests_dbms PUBLIC DBMS_PUBLIC_GTEST)
    target_compile_definitions(dbms PUBLIC DBMS_PUBLIC_GTEST)
    target_compile_definitions(dbms PUBLIC MULTIPLE_CONTEXT_GTEST)

    target_link_libraries(gtests_dbms test_util_gtest_main tiflash_functions tiflash-dttool-lib delta_merge kvstore)

    install (TARGETS gtests_dbms
            COMPONENT tiflash-gtest
            DESTINATION "."
            RUNTIME_DEPENDENCY_SET tiflash-gtest-dependency)
    install (RUNTIME_DEPENDENCY_SET tiflash-gtest-dependency
            COMPONENT tiflash-gtest
            DESTINATION "."
            PRE_EXCLUDE_REGEXES
                "libdl.*"
                "libc-.*"
                "libc\\..*"
                "libgcc_s.*"
                "librt.*"
                "libm.*"
                "ld-linux-x86-64.*"
                "ld-linux-aarch64.*"
                "libpthread.*"# exclude libc dependencies
            DIRECTORIES ${TIFLASH_GTEST_DEPENDENCY_DIRECTORIES})

    if (USE_GM_SSL)
        target_link_libraries(gtests_dbms gmssl)
        target_include_directories(gtests_dbms PRIVATE ${TiFlash_SOURCE_DIR}/contrib/GmSSL/include)
        install (TARGETS gmssl
                COMPONENT tiflash-gtest
                DESTINATION ".")
    endif ()

    if (ENABLE_CLARA AND USE_INTERNAL_LIBCLARA)
        install (TARGETS clara_shared
                COMPONENT tiflash-gtest
                DESTINATION ".")
    endif()

    set_target_properties(gtests_dbms PROPERTIES BUILD_RPATH "$ORIGIN/")
    set_target_properties(gtests_dbms PROPERTIES INSTALL_RPATH "$ORIGIN/")

    if (ENABLE_CLARA)
        install (SCRIPT ${TiFlash_SOURCE_DIR}/libs/libclara-cmake/linux_post_install.cmake COMPONENT tiflash-gtest)
    endif ()

    target_compile_options(gtests_dbms PRIVATE -Wno-unknown-pragmas -Wno-deprecated-copy)
    add_check(gtests_dbms)

    add_target_pch("pch-dbms.h" gtests_dbms)
    grep_bench_sources(${TiFlash_SOURCE_DIR}/dbms dbms_bench_sources)
    add_executable(bench_dbms EXCLUDE_FROM_ALL
        ${dbms_bench_sources}
        ${TiFlash_SOURCE_DIR}/dbms/src/Server/StorageConfigParser.cpp
        ${TiFlash_SOURCE_DIR}/dbms/src/Server/UserConfigParser.cpp
        ${TiFlash_SOURCE_DIR}/dbms/src/Server/RaftConfigParser.cpp
        ${TiFlash_SOURCE_DIR}/dbms/src/AggregateFunctions/AggregateFunctionSum.cpp
        )
    set_target_properties(bench_dbms PROPERTIES BUILD_RPATH "$ORIGIN/")
    target_include_directories(bench_dbms BEFORE PRIVATE ${SPARCEHASH_INCLUDE_DIR} ${benchmark_SOURCE_DIR}/include)
    target_compile_definitions(bench_dbms PUBLIC DBMS_PUBLIC_GTEST)
    target_link_libraries(bench_dbms
        gtest
        benchmark

        dbms
        test_util_bench_main
        tiflash_functions
        grpc_server_holder
        delta_merge
        tiflash_aggregate_functions
        kvstore)

    if (NOT CMAKE_BUILD_TYPE_UC STREQUAL "DEBUG")
        target_link_libraries(bench_dbms tiflash_contrib::highfive)
    endif()

    add_check(bench_dbms)
endif ()

# dbms
add_target_pch("pch-dbms.h" flash_service)
add_target_pch("pch-common.h" tiflash_common_io tiflash_aggregate_functions)

# disable PCH for `tiflash_functions`, `dbms` temporarily because some source files need to use specific cxx flags
# add_target_pch("pch-common.h" tiflash_functions dbms)

add_target_pch("pch-common.h" tiflash_parsers tiflash_storages_system dt-workload-lib tiflash-server-lib)

# common
add_target_pch("pch-kvpb.h" kv_client)

add_target_pch("pch-stl.h" ${Boost_SYSTEM_LIBRARY} cctz ${RE2_LIBRARY} ${RE2_ST_LIBRARY})

# grpc
add_target_pch("$<$<COMPILE_LANGUAGE:CXX>:${CMAKE_CURRENT_SOURCE_DIR}/pch-stl.h>" grpc grpc++)

# pb
add_target_pch("pch-stl.h" libprotobuf kvproto tipb libprotoc)

# poco
add_target_pch("pch-stl.h" Net Crypto Util Data NetSSL)
add_target_pch("$<$<COMPILE_LANGUAGE:CXX>:${CMAKE_CURRENT_SOURCE_DIR}/pch-stl.h>" Foundation JSON)

message (STATUS "Will build TiFlash ${TIFLASH_RELEASE_VERSION}")