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")
set(LIB_BASE_DIR /root/CXX_ENVS/wenet_runtime)
# GRPC and Protocol Buffers libraries location
set(GRPC_ROOT ${LIB_BASE_DIR}/grpc-build)
# 运行参数
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17 -pthread -fPIC")
list(APPEND CMAKE_PREFIX_PATH "${GRPC_ROOT}")
find_package(Threads REQUIRED)
message("${BoldGreen} ${CMAKE_PREFIX_PATH} ${ColourReset}")
find_package(gRPC CONFIG REQUIRED)

message(${BoldGreen}
        GRPC_LIBRARY_DIR:${GRPC_LIBRARY_DIR} \n
        grpc_cpp_plugin：${grpc_BINARY_DIR}/grpc_cpp_plugin${ColourReset})

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 ${GRPC_ROOT}/bin/protoc
        ARGS --grpc_out "${PROTO_DIR}"
        --cpp_out "${PROTO_DIR}"
        -I "${PROTO_DIR}"
        --plugin=protoc-gen-grpc=${GRPC_ROOT}/bin/grpc_cpp_plugin
        helloworld.proto)
add_library(hello_proto STATIC
        ${PROTO_DIR}/helloworld.pb.cc
        ${PROTO_DIR}/helloworld.pb.h
        ${PROTO_DIR}/helloworld.grpc.pb.cc
        ${PROTO_DIR}/helloworld.grpc.pb.h)

target_include_directories(hello_proto PUBLIC ${GRPC_INCLUDE_DIR} ${PROTOBUF_INCLUDE_DIR})
target_link_libraries(hello_proto ${GRPC_CLIENT_LIBS})

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