"""Single entry points for orchestration — GSD preferred, LangGraph legacy."""
from __future__ import annotations

import logging
import warnings
from typing import Any

logger = logging.getLogger(__name__)

# Od 2026-07 nowe przepływy projektowe idą przez GSD; LangGraph /api pozostaje dla kompatybilności.
LEGACY_LANGGRAPH_DEPRECATED = True
PREFERRED_ORCHESTRATION_PATH = "gsd"


def warn_legacy_langgraph_usage(context: str = "") -> None:
    if not LEGACY_LANGGRAPH_DEPRECATED:
        return
    msg = (
        "Legacy LangGraph orchestration is deprecated; route new flows through GSD "
        f"(gsd.integration.start_gsd_for_project). {context}".strip()
    )
    warnings.warn(msg, DeprecationWarning, stacklevel=3)
    logger.debug("[orchestration] %s", msg)


def register_legacy_langgraph_route(route: str = "/api", **tags: Any) -> None:
    """Rejestracja metryki legacy LangGraph przy starcie serwera."""
    from core.orchestration_paths import record_orchestration_path

    warn_legacy_langgraph_usage(f"route={route}")
    record_orchestration_path("legacy_langgraph", event="registered", route=route, **tags)


def start_project_orchestration(
    project_id: str,
    user_id: str,
    tenant_id: str | None = None,
    profile: dict | None = None,
    program_type: str = "",
) -> dict[str, Any]:
    """Preferowany punkt wejścia orkiestracji dla nowych projektów (GSD)."""
    from gsd.integration import start_gsd_for_project

    return start_gsd_for_project(
        project_id=project_id,
        user_id=user_id,
        tenant_id=tenant_id or user_id,
        profile=profile or {},
        program_type=program_type,
    )


def record_gsd_orchestration(**context: Any) -> None:
    from core.orchestration_paths import record_orchestration_path

    record_orchestration_path(PREFERRED_ORCHESTRATION_PATH, **context)