# ----- Find dependencies -----

# socket.io-cpp-client
find_package(sioclient REQUIRED)

# Protobuf
find_package(Protobuf REQUIRED)

if(NOT PROTOBUF_PROTOC_EXECUTABLE)
    message(FATAL_ERROR "Could not find protoc executable (PROTOBUF_PROTOC_EXECUTABLE)")
endif()

message(STATUS "Found protoc executable: ${PROTOBUF_PROTOC_EXECUTABLE}")

# ----- Protobuf transpile -----
protobuf_generate_cpp(MAP_PB_SOURCE MAP_PB_HEADER protobuf/map_segment.proto)
set_source_files_properties(${MAP_PB_HEADER} ${MAP_PB_SOURCE}
    COMPILE_FLAGS -Wno-unused-variable)

# ----- Configure SocketPublisher library -----
add_library(socket_publisher
    SHARED
    data_serializer.h
    publisher.h
    socket_client.h
    data_serializer.cc
    publisher.cc
    socket_client.cc
    ${MAP_PB_SOURCE})

set_target_properties(socket_publisher PROPERTIES
    OUTPUT_NAME socket_publisher
    LIBRARY_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/lib)

target_include_directories(socket_publisher
    PUBLIC
    ${SIOCLIENT_INCLUDE_DIR}
    ${PROTOBUF_INCLUDE_DIRS}
    PRIVATE
    ${CMAKE_CURRENT_BINARY_DIR})

target_link_libraries(socket_publisher
    PUBLIC
    ${PROJECT_NAME}
    opencv_imgcodecs
    ${SIOCLIENT_LIBRARY}
    ${PROTOBUF_LIBRARIES})

# ----- Install configuration -----
set(INSTALL_SOCKET_PUBLISHER OFF CACHE BOOL "Install SocketPublisher library")

if(INSTALL_SOCKET_PUBLISHER)
    set(SOCKER_PUBLISHER_INCLUDE_INSTALL_DIR ${INCLUDES_DESTINATION}/socket_publisher)

    install(TARGETS socket_publisher
        EXPORT ${PLPSLAM_TARGETS_EXPORT_NAME}
        RUNTIME DESTINATION ${RUNTIME_DESTINATION}
        LIBRARY DESTINATION ${LIBRARY_DESTINATION}
        ARCHIVE DESTINATION ${ARCHIVE_DESTINATION}
        INCLUDES DESTINATION ${SOCKER_PUBLISHER_INCLUDE_INSTALL_DIR})

    file(GLOB HEADERS "${CMAKE_CURRENT_SOURCE_DIR}/*.h")
    install(FILES ${HEADERS}
        DESTINATION ${SOCKER_PUBLISHER_INCLUDE_INSTALL_DIR})
endif()