"""Pytest configuration and fixtures for can-you-assist (T07).

Safety-focused tests live here. All tests should be fast and hermetic.
No live LLM or network required for the default run.
"""

import pytest

# Future: common fixtures for envelopes, fake adapters, etc.
# For now this file exists to establish the test layout.

# The llm-connect integration tests mock llm_connect symbols. When the optional
# sibling package is not installed in a default dev checkout, provide a tiny
# import target so unittest.mock.patch can attach to it. Real installations win.
def pytest_configure(config):
    import importlib.util
    import sys
    import types

    if importlib.util.find_spec("llm_connect") is not None:
        return
    if "llm_connect" in sys.modules:
        return

    llm_connect = types.ModuleType("llm_connect")
    llm_config = types.ModuleType("llm_connect.config")
    llm_models = types.ModuleType("llm_connect.models")

    class RunConfig:
        def __init__(self, *, model_name, temperature, max_tokens):
            self.model_name = model_name
            self.temperature = temperature
            self.max_tokens = max_tokens

    def _missing_create_adapter(*args, **kwargs):
        raise RuntimeError("llm_connect test stub was not patched")

    llm_connect.create_adapter = _missing_create_adapter
    llm_config.resolve_api_key = lambda env_var=None: None
    llm_models.RunConfig = RunConfig
    llm_connect.config = llm_config
    llm_connect.models = llm_models

    sys.modules["llm_connect"] = llm_connect
    sys.modules["llm_connect.config"] = llm_config
    sys.modules["llm_connect.models"] = llm_models