cmake_minimum_required(VERSION 3.5)

project(rpc_core CXX)

# config
option(RPC_CORE_SERIALIZE_USE_CUSTOM "" "")
option(RPC_CORE_SERIALIZE_USE_NLOHMANN_JSON "" ON)

# test
option(RPC_CORE_BUILD_TEST "" OFF)
option(RPC_CORE_TEST_PLUGIN "" OFF)
option(RPC_CORE_TEST_LINK_PTHREAD "" OFF)

if(CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
  set(RPC_CORE_BUILD_TEST ON)
endif()

set(CMAKE_CXX_STANDARD 11)
add_compile_options(-Wall -Wunused-parameter)

add_library(${PROJECT_NAME} INTERFACE)
target_include_directories(${PROJECT_NAME} INTERFACE include)

if(RPC_CORE_SERIALIZE_USE_CUSTOM)
  target_compile_definitions(
    ${PROJECT_NAME}
    INTERFACE -DRPC_CORE_SERIALIZE_USE_CUSTOM="${RPC_CORE_SERIALIZE_USE_CUSTOM}"
  )
endif()

if(RPC_CORE_SERIALIZE_USE_NLOHMANN_JSON)
  target_compile_definitions(${PROJECT_NAME}
                             INTERFACE -DRPC_CORE_SERIALIZE_USE_NLOHMANN_JSON)
endif()

if(RPC_CORE_BUILD_TEST)
  set(EXAMPLE_COMPILE_DEFINE ANDROID_STANDALONE RPC_CORE_LOG_SHOW_DEBUG
                             # RPC_CORE_LOG_SHOW_VERBOSE
  )

  set(TARGET_NAME ${PROJECT_NAME}_test)
  file(GLOB SRCS test/main.cpp test/test_rpc.cpp test/test_serialize.cpp
       test/test_data_packer.cpp)
  add_executable(${TARGET_NAME})
  if(RPC_CORE_TEST_LINK_PTHREAD)
    # some linux platform need link -pthread for std::future api
    set(LIBRARIES -pthread)
  endif()
  target_link_libraries(${TARGET_NAME} ${PROJECT_NAME} ${LIBRARIES})
  target_compile_definitions(${TARGET_NAME} PRIVATE ${EXAMPLE_COMPILE_DEFINE})

  if(RPC_CORE_TEST_PLUGIN)
    list(APPEND SRCS test/test_plugin.cpp)
    target_compile_definitions(${TARGET_NAME} PRIVATE "RPC_CORE_TEST_PLUGIN")
    add_custom_target(
      ${TARGET_NAME}_init
      # clear dir
      COMMAND rm -rf ${CMAKE_CURRENT_LIST_DIR}/thirdparty
      # json
      COMMAND mkdir -p ${CMAKE_CURRENT_LIST_DIR}/thirdparty/nlohmann
      COMMAND
        curl -L -o ${CMAKE_CURRENT_LIST_DIR}/thirdparty/nlohmann/json.hpp
        https://github.com/nlohmann/json/releases/download/v3.11.2/json.hpp
      # flatbuffers
      COMMAND git clone https://github.com/google/flatbuffers.git --depth=1
              --branch=v23.1.21 ${CMAKE_CURRENT_LIST_DIR}/thirdparty/flatbuffers
      WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR})

    target_include_directories(${TARGET_NAME} PRIVATE thirdparty)
    target_include_directories(${TARGET_NAME}
                               PRIVATE thirdparty/flatbuffers/include)
  endif()
  target_sources(${TARGET_NAME} PRIVATE ${SRCS})
endif()