cmake_minimum_required(VERSION 3.14 FATAL_ERROR)

project(helloworld_grpc)
# set color
string(ASCII 27 Esc)
set(ColourReset "${Esc}[m")
set(BoldGreen   "${Esc}[1;32m")
set(BoldRed     "${Esc}[31m")
option(CLEAN_CMAKE_CACHE "更换Build目录运行需要清空缓存" ON)
set(LIB_BASE_DIR /root/CXX_ENVS/wenet_runtime)
#清空缓存
if(CLEAN_CMAKE_CACHE)
    message(STATUS "Cleaning CMakeCache.txt")
    execute_process(
            COMMAND rm -rf *.pb.cc *.pb.h
            WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
    )
    execute_process(
            COMMAND rm -rf !(*.cc|*.proto|CMakeLists.txt)
            WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
    )
endif ()
# GRPC and Protocol Buffers libraries location
list(APPEND CMAKE_PREFIX_PATH "${LIB_BASE_DIR}/grpc-build" "${LIB_BASE_DIR}/protobuf-build")
find_package(Protobuf REQUIRED)
find_package(GRPC REQUIRED)
set(PROTO_DIR ${CMAKE_CURRENT_SOURCE_DIR})

add_custom_command(
        OUTPUT  ${PROTO_DIR}/helloworld.pb.cc
        ${PROTO_DIR}/helloworld.pb.h
        ${PROTO_DIR}/helloworld.grpc.pb.cc
        ${PROTO_DIR}/helloworld.grpc.pb.h
        COMMAND protobuf::protoc
        ARGS --grpc_out "${PROTO_DIR}"
        --cpp_out "${PROTO_DIR}"
        --plugin=protoc-gen-grpc=gRPC::grpc_cpp_plugin
        ${PROTO_DIR}/helloworld.proto)

message("${BoldGreen}add files at ${PROTO_DIR} successfully!${ColourReset}")

add_library(test2_grpc STATIC
        ${PROTO_DIR}/helloworld.pb.cc
        ${PROTO_DIR}/helloworld.pb.h
        ${PROTO_DIR}/helloworld.grpc.pb.cc
        ${PROTO_DIR}/helloworld.grpc.pb.h)

target_link_libraries(wenet_proto PUBLIC ${third_party_libraries})

foreach(_target
        greeter_client greeter_server
        greeter_async_client greeter_async_client2 greeter_async_server)
    add_executable(${_target} "${_target}.cc")
    target_link_libraries(${_target} test2_grpc ${third_party_libraries})
endforeach()