"""
智能体唯一 Worker 入口（LLM / 识别 / 报价 PDF / 存档）。

本文件职责：组装分槽、Graph、Redis、LLM 网关；阻塞至进程结束。
禁止：Redis wecom:worker:singleton；禁止在 HTTP 回调里跑本模块逻辑。
"""

from __future__ import annotations

import logging
import signal
import threading

from agent.config import get_settings
from agent.graph import get_graph_runtime, shutdown_graph_runtime
from agent.jobs import WorkerRuntime
from agent.llm import LlmGateway
from agent.redis_coord import get_redis_runtime, shutdown_redis_runtime

logger = logging.getLogger(__name__)


def main() -> None:
    """
    启动 Worker：wake Stream + LLM Stream + LibreOffice 槽。

    Graph resume/wake 仅走 http_jobs 槽。
    """
    logging.basicConfig(
        level=logging.INFO,
        format="%(asctime)s %(levelname)s [%(name)s] %(message)s",
    )
    # Worker 自己下素材，必须关掉 httpx INFO，否则 access_token 会进日志。
    logging.getLogger("httpx").setLevel(logging.WARNING)
    settings = get_settings()
    graph_runtime = get_graph_runtime(settings)
    redis_runtime = get_redis_runtime(settings)
    llm = LlmGateway.from_settings(settings)
    runtime = WorkerRuntime.from_settings(
        settings.libreoffice_slots,
        settings.http_job_slots,
        graph=graph_runtime,
        redis=redis_runtime,
        llm=llm,
    )
    runtime.start()

    stop_event = threading.Event()

    def _handle_signal(signum: int, _frame: object) -> None:
        logger.info("收到停止信号 signum=%s", signum)
        runtime.stop()
        shutdown_graph_runtime()
        shutdown_redis_runtime()
        stop_event.set()

    signal.signal(signal.SIGINT, _handle_signal)
    signal.signal(signal.SIGTERM, _handle_signal)

    logger.info(
        "Worker 运行中 ytd_env=%s checkpoint=%s redis=%s（Ctrl+C 退出）",
        settings.ytd_env,
        graph_runtime.checkpoint.backend,
        redis_runtime.client.backend,
    )
    stop_event.wait()
    logger.info("Worker 已退出")


if __name__ == "__main__":
    main()