ADC/CMakeLists.txt

cmake_minimum_required(VERSION 3.14)

project(ADC LANGUAGES CXX)

set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}")

set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
# set(CMAKE_BUILD_TYPE Release)


set(ADC_COMMON_HEADERS
    common/adc_traits.h
    common/adc_utils.h
    # common/adc_value_holder.h
    # common/adc_value.h
    # common/adc_valholder.h
)

set(ADC_DEVICE_HEADERS
    device/adc_device_attribute.h
    device/adc_device_command.h    
    device/adc_device.h
)


set(ADC_NETWORK_HEADERS
    net/adc_netmsg.h
    # net/adc_netmessage.h
    net/adc_netproto.h
    net/adc_netservice.h    
    net/adc_endpoint.h
    net/adc_netserver.h
    net/adc_net_concepts.h
    net/adc_device_netmsg.h
)


option(ASIO_LIBRARY "Use of ASIO library for networking implementation" ON)

if (ASIO_LIBRARY)
    find_package(ASIO REQUIRED)

    set(ADC_NETWORK_HEADERS ${ADC_NETWORK_HEADERS}
        net/asio/adc_netservice_asio.h
        net/asio/adc_netsession_asio.h
    )

    add_compile_definitions(PUBLIC USE_ASIO_LIBRARY)

    option(OPENSSL_LIBRARY "Use openssl library for related ASIO-based implementation" ON)
    if (OPENSSL_LIBRARY)
        find_package(OpenSSL REQUIRED)
        add_compile_definitions(PUBLIC USE_OPENSSL_WITH_ASIO)
    endif()
endif()



option(SPDLOG_LIBRARY "Use of SPDLOG library for logging" ON)

if (SPDLOG_LIBRARY)
    find_package(spdlog REQUIRED)

    set(ADC_COMMON_HEADERS ${ADC_COMMON_HEADERS}
        common/adc_spdlog.h
    )

    set(ADC_NETWORK_HEADERS ${ADC_NETWORK_HEADERS}
        net/adc_netserver_spdlog.h
    )

    add_compile_definitions(PUBLIC USE_SPDLOG_LIBRARY)
endif()


option(USE_UWEBSOCKET "Use of uWebsocket library for websocket-related staff" ON)

if (USE_UWEBSOCKET)
    include(FetchContent)
    include(ExternalProject)

    FetchContent_Declare(uwebsockets
        SOURCE_DIR ${CMAKE_BINARY_DIR}/uWebsockets
        BINARY_DIR ${CMAKE_BINARY_DIR}
        GIT_REPOSITORY "https://github.com/uNetworking/uWebSockets.git"
        GIT_TAG "v20.67.0"
        GIT_SHALLOW TRUE
        GIT_SUBMODULES ""
        GIT_PROGRESS TRUE
        )
    FetchContent_MakeAvailable(uwebsockets)
    FetchContent_GetProperties(uwebsockets SOURCE_DIR uwebsockets_SOURCE_DIR)

    set(UWEBSOCKETS_INCLUDE_DIR ${uwebsockets_SOURCE_DIR}/src)

    FetchContent_Declare(usockets
        SOURCE_DIR ${uwebsockets_SOURCE_DIR}/uSockets
        BINARY_DIR ${CMAKE_BINARY_DIR}
        GIT_REPOSITORY "https://github.com/uNetworking/uSockets.git"
        GIT_TAG "v0.8.8"
        GIT_SHALLOW TRUE
        GIT_SUBMODULES ""
        GIT_PROGRESS TRUE
        )
    FetchContent_MakeAvailable(usockets)
    FetchContent_GetProperties(usockets SOURCE_DIR usockets_SOURCE_DIR)

    set(USOCKETS_INCLUDE_DIR ${usockets_SOURCE_DIR}/src)

    include(ExternalProject)

    ExternalProject_Add(LIBUS
        SOURCE_DIR ${usockets_SOURCE_DIR}
        PREFIX ${CMAKE_BINARY_DIR}/_deps
        BUILD_IN_SOURCE TRUE
        CONFIGURE_COMMAND ""
        BUILD_COMMAND ${CMAKE_COMMAND} -E env "WITH_OPENSSL=1" make
        INSTALL_COMMAND ""
        BUILD_BYPRODUCTS ${usockets_SOURCE_DIR}/uSockets.a
    )

    add_library(LIBUS_LIB STATIC IMPORTED)
    set_target_properties(LIBUS_LIB PROPERTIES IMPORTED_LOCATION ${usockets_SOURCE_DIR}/uSockets.a)
    get_target_property(LIBUS_LIB_PATH LIBUS_LIB IMPORTED_LOCATION)

    include_directories(${USOCKETS_INCLUDE_DIR})
    include_directories(${UWEBSOCKETS_INCLUDE_DIR})

endif(USE_UWEBSOCKET)

option(BUILD_TESTS "Build tests" ON)

if (BUILD_TESTS)
    find_package(doctest)

    # set(VALUEHOLDER_TEST_APP adc_valueholder_test)
    # add_executable(${VALUEHOLDER_TEST_APP} tests/adc_valueholder_test.cpp)

    set(DEVATTR_TEST_APP adc_devattr_test)
    add_executable(${DEVATTR_TEST_APP} tests/adc_devattr_test.cpp)

    set(NETMSG_TEST_APP adc_netmsg_test)
    add_executable(${NETMSG_TEST_APP} tests/adc_netmsg_test.cpp)

    set(NETSERVICE_TEST_APP adc_netservice_test)
    add_executable(${NETSERVICE_TEST_APP} tests/adc_netservice_test.cpp)
    target_link_libraries(${NETSERVICE_TEST_APP} OpenSSL::SSL OpenSSL::Crypto)

    if (NOT doctest_FOUND)
        include(FetchContent)
        FetchContent_Declare(
            doctest
            GIT_REPOSITORY https://github.com/doctest/doctest.git
            GIT_TAG 2.4.11
        )
        FetchContent_MakeAvailable(doctest)
    endif()

    # target_link_libraries(${VALUEHOLDER_TEST_APP} PRIVATE doctest::doctest)
    target_link_libraries(${DEVATTR_TEST_APP} PRIVATE doctest::doctest)
    include(CTest)
    # add_test(VALUE_HOLDER ${VALUEHOLDER_TEST_APP})
    add_test(VALUE_HOLDER ${DEVATTR_TEST_APP})
    add_test(NETMSG_TEST ${NETMSG_TEST_APP})
    enable_testing()
endif(BUILD_TESTS)

include(GNUInstallDirs)

add_library(${PROJECT_NAME} INTERFACE ${ADC_COMMON_HEADERS} ${ADC_DEVICE_HEADERS} ${ADC_NETWORK_HEADERS})
target_compile_features(${PROJECT_NAME} INTERFACE cxx_std_20)
# target_link_libraries(${PROJECT_NAME} INTERFACE ASIO::ASIO)
target_include_directories(
    ${PROJECT_NAME}
    INTERFACE
        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
        $<INSTALL_INTERFACE:include>
)