# agent_factory.py
from smolagents import CodeAgent, InferenceClientModel

from config import AUTHORIZED_IMPORTS, CUSTOM_ROLE_CONVERSIONS, MODEL_ID
from tools import build_tools


# One model per process (generation is stateless)
model = InferenceClientModel(
    model_id=MODEL_ID,
    custom_role_conversions=CUSTOM_ROLE_CONVERSIONS,
)

# Build tools once; browser/HTTP sessions are reused across requests
_web_tools, _document_inspection_tool, _visualizer = build_tools(model)


def get_model():
    return model


def get_document_inspection_tool():
    return _document_inspection_tool


def create_agent():
    """Return a fresh CodeAgent for each new user session."""
    return CodeAgent(
        model=model,
        tools=[_visualizer] + _web_tools,
        max_steps=10,
        verbosity_level=1,
        additional_authorized_imports=AUTHORIZED_IMPORTS,
        planning_interval=4,
    )