"""Runtime composition shared by Gateway routes and the read-only agent tool."""

from __future__ import annotations

import httpx

from deerflow.config import get_app_config
from deerflow.config.app_config import AppConfig
from deerflow.config.llmwiki_config import ResolvedLlmWikiRuntime, resolve_llmwiki_runtime
from deerflow.config.system_settings import load_system_settings
from deerflow.integrations.weknora.client import WeKnoraClient
from deerflow.persistence.llmwiki import LlmWikiStore

_default_store: LlmWikiStore | None = None


def register_llmwiki_store(store: LlmWikiStore | None) -> None:
    global _default_store
    _default_store = store


def get_llmwiki_store() -> LlmWikiStore:
    if _default_store is None:
        raise RuntimeError("LLMWiki store is not initialized")
    return _default_store


def get_resolved_llmwiki_runtime(config: AppConfig | None = None) -> ResolvedLlmWikiRuntime:
    current = config or get_app_config()
    return resolve_llmwiki_runtime(current.llmwiki, load_system_settings().llmwiki)


def build_weknora_client(
    runtime: ResolvedLlmWikiRuntime,
    *,
    http_client: httpx.AsyncClient | None = None,
) -> WeKnoraClient:
    if not runtime.weknora_enabled:
        raise RuntimeError("WeKnora mode is not enabled")
    return WeKnoraClient(
        base_url=runtime.api_base_url,
        http_client=http_client,
        admin_email=runtime.admin_email,
        admin_password=runtime.admin_password,
    )