# ======================================
#  OPC UA Discovery — Top-level build
# ======================================
#
# Builds three programs that demonstrate OPC UA discovery:
#   ServerLDS          — Local Discovery Server
#   ServerRegister     — Server that registers with the LDS
#   ClientFindServers  — Client that queries the LDS
#
# All programs link against DiscoveryCommon (shared helpers and
# config parser) which in turn depends on open62541.

cmake_minimum_required(VERSION 4.0)
project(OpcUaDiscovery C)

set(CMAKE_C_STANDARD 11)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

include(cmake/BuildDeps.cmake)

# ======================================
#  Libraries and executables
# ======================================

# Shared helpers (file loading, security factories, config parser)
# used by all three programs.
add_library(DiscoveryCommon STATIC src/common.c src/config.c)
target_link_libraries(DiscoveryCommon open62541::open62541)

# Queries the LDS for registered servers and their endpoints.
add_executable(ClientFindServers src/client_find_servers.c)
target_link_libraries(ClientFindServers DiscoveryCommon)

# Runs the Local Discovery Server that other servers register with.
add_executable(ServerLDS src/server_lds.c)
target_link_libraries(ServerLDS DiscoveryCommon)

# Runs a server that periodically registers itself with the LDS.
add_executable(ServerRegister src/server_register.c)
target_link_libraries(ServerRegister DiscoveryCommon)

# ======================================
#  Documentation
# ======================================

# Builds the open62541 HTML documentation via Sphinx.
# Requires python3-sphinx, python3-sphinx-rtd-theme, graphviz.
option(BUILD_DOC "Build open62541 HTML documentation" OFF)
if(BUILD_DOC)
  add_custom_target(doc
    COMMAND ${CMAKE_COMMAND} --build "${OPEN62541_BUILD_DIR}" --target doc
    COMMENT "Building open62541 HTML documentation"
    VERBATIM)
endif()

# ======================================
#  Integration tests
# ======================================
#
# Each test exercises a combination of security mode/policy and
# authentication method.  _test_names and _test_policies are
# parallel lists: the Nth name uses the Nth policy.  Each name
# corresponds to a config directory under tests/ containing
# server_lds.conf, server_register.conf, client_find_servers.conf.

enable_testing ()

set (_test_script "${CMAKE_SOURCE_DIR}/tests/run_test.sh")

set (_test_names
  none_anon
  none_user
  basic256sha256_anon
  basic256sha256_user
  aes128_anon
  aes128_user)

set (_test_policies
  None
  None
  Basic256Sha256
  Basic256Sha256
  Aes128_Sha256_RsaOaep
  Aes128_Sha256_RsaOaep)

foreach (_name _policy IN ZIP_LISTS _test_names _test_policies)
  add_test (NAME "${_name}"
    COMMAND bash "${_test_script}" "tests/${_name}" "${_policy}")
  set_tests_properties ("${_name}" PROPERTIES
    WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
    TIMEOUT 30)
endforeach ()