# 1. 添加cmake版本说明
cmake_minimum_required(VERSION 3.1.3)
# 2. 声明工程名称
project(file_server)

set(target "file_server")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g")

# 3. 检测并生成ODB框架代码
#   1. 添加所需的proto映射代码文件名称
set(proto_path ${CMAKE_CURRENT_SOURCE_DIR}/../proto)
set(proto_files file.proto base.proto)
#   2. 检测框架代码文件是否已经生成
set(proto_hxx "")
set(proto_cxx "")
set(proto_srcs "")
foreach(proto_file ${proto_files})
#   3. 如果没有生成，则预定义生成指令 -- 用于在构建项目之间先生成框架代码
    string(REPLACE ".proto" ".pb.cc" proto_cc ${proto_file})
    string(REPLACE ".proto" ".pb.h" proto_hh  ${proto_file})
    if (NOT EXISTS ${CMAKE_CURRENT_BINARY_DIR}${proto_cc})
        add_custom_command(
            PRE_BUILD
            COMMAND protoc
            ARGS --cpp_out=${CMAKE_CURRENT_BINARY_DIR} -I ${proto_path} --experimental_allow_proto3_optional ${proto_path}/${proto_file}
            DEPENDS ${proto_path}/${proto_file}
            OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${proto_cc}
            COMMENT "生成Protobuf框架代码文件:" ${CMAKE_CURRENT_BINARY_DIR}/${proto_cc}
        )
    endif()
    list(APPEND proto_srcs ${CMAKE_CURRENT_BINARY_DIR}/${proto_cc})
endforeach()

# 4. 获取源码目录下的所有源码文件
set(src_files "")
aux_source_directory(${CMAKE_CURRENT_SOURCE_DIR}/source src_files)
# 5. 声明目标及依赖
add_executable(${target} ${src_files} ${proto_srcs})
# 7. 设置需要连接的库
target_link_libraries(${target} -lgflags -lspdlog -lfmt -lbrpc -lssl -lcrypto -lprotobuf -lleveldb -letcd-cpp-api -lcpprest -lcurl /usr/lib/x86_64-linux-gnu/libjsoncpp.so.19)


set(test_client "file_client")
set(test_files "")
aux_source_directory(${CMAKE_CURRENT_SOURCE_DIR}/test test_files)
add_executable(${test_client} ${test_files} ${proto_srcs})
target_link_libraries(${test_client} -lgtest -lgflags -lspdlog -lfmt -lbrpc -lssl -lcrypto -lprotobuf -lleveldb -letcd-cpp-api -lcpprest -lcurl /usr/lib/x86_64-linux-gnu/libjsoncpp.so.19)

# 6. 设置头文件默认搜索路径
include_directories(${CMAKE_CURRENT_BINARY_DIR})
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/../common)
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/../third/include)

#8. 设置安装路径
INSTALL(TARGETS ${target} ${test_client} RUNTIME DESTINATION bin)