"""Legacy Host adapters kept outside the installable Agent framework package."""

from __future__ import annotations

import importlib
from typing import Any, Dict, List, Optional

from agent.tools.builtin.content.quality import set_post_evaluator_factory
from agent.trace.project_environment import ProjectEnvironment


class LegacyExampleResolver:
    async def resolve(
        self,
        project_name: str,
        messages: Optional[List[Dict[str, Any]]] = None,
    ) -> Optional[ProjectEnvironment]:
        module_name = f"examples.{project_name}.run"
        try:
            module = importlib.import_module(module_name)
        except ImportError as exc:
            if getattr(exc, "name", None) == module_name:
                return None
            raise
        initializer = getattr(module, "init_project_env", None)
        if initializer is None:
            return None
        if messages is None:
            runner, resolved_messages, config = await initializer()
        else:
            runner, resolved_messages, config = await initializer(messages)
        return ProjectEnvironment(runner, resolved_messages, config)


def configure_legacy_content_adapters() -> None:
    """Preserve the old optional source scorer without coupling the framework."""

    def create_evaluator() -> Any:
        module = importlib.import_module(
            "examples.process_pipeline.script.evaluate_source_quality"
        )
        return module.SourceQualityEvaluator()

    set_post_evaluator_factory(create_evaluator)


__all__ = ["LegacyExampleResolver", "configure_legacy_content_adapters"]