if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
  message(STATUS "Building tests with Clang")
elseif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
  message(STATUS "Building tests with GCC; modules support is experimental")
else()
  message(WARNING "Unsupported compiler for test modules: ${CMAKE_CXX_COMPILER_ID}. Build may fail.")
endif()

if(WIN32)
  set(CMAKE_FIND_LIBRARY_SUFFIXES ".a" ".lib" ".dll.a")
else()
  set(CMAKE_FIND_LIBRARY_SUFFIXES ".a" ".so")
endif()

if(EXISTS ${CMAKE_CURRENT_LIST_DIR}/test_ast/CMakeLists.txt)
  add_subdirectory(test_ast)
endif()

if(EXISTS ${CMAKE_CURRENT_LIST_DIR}/test_lsp_any/CMakeLists.txt)
  add_subdirectory(test_lsp_any)
endif()

if(EXISTS ${CMAKE_CURRENT_LIST_DIR}/test_symbol/CMakeLists.txt)
  add_subdirectory(test_symbol)
endif()

if(EXISTS ${CMAKE_CURRENT_LIST_DIR}/test_scheduler/CMakeLists.txt)
  add_subdirectory(test_scheduler)
endif()

if(EXISTS ${CMAKE_CURRENT_LIST_DIR}/test_semantic/CMakeLists.txt)
  add_subdirectory(test_semantic)
endif()

# test_module 由顶层 add_subdirectory(test) 自动拉入，无需单独处理
if(EXISTS ${CMAKE_CURRENT_LIST_DIR}/test_module/CMakeLists.txt)
  add_subdirectory(test_module)
endif()

if(EXISTS ${CMAKE_CURRENT_LIST_DIR}/test_provider/CMakeLists.txt)
  add_subdirectory(test_provider)
endif()

if(BUILD_TESTS)
  find_program(PYTHON3_EXECUTABLE python3)
  if(PYTHON3_EXECUTABLE)
    add_test(NAME test_lsp_json
      COMMAND ${PYTHON3_EXECUTABLE}
        ${CMAKE_CURRENT_LIST_DIR}/run_lsp_json_tests.py
        --server $<TARGET_FILE:tsl-server>)
  else()
    message(WARNING "python3 not found; skipping test_lsp_json registration")
  endif()
endif()