"""
智能体唯一 HTTP 入口（合并原 8810/8809/8811）。

本文件职责：组装 FastAPI、挂载通道、启动 inbox/outbox 线程、暴露 /health。
禁止：在请求处理里同步 LibreOffice / 等完整 LLM / invoke 整图。
"""

from __future__ import annotations

import logging
from contextlib import asynccontextmanager

import uvicorn
from fastapi import FastAPI

from agent.channel.aibot import router as aibot_router
from agent.channel.bridge import router as bridge_router
from agent.channel.h5 import router as h5_router
from agent.channel.runtime import start_channel_runtime
from agent.channel.wecom.callback import router as wecom_router
from agent.config import get_settings

logger = logging.getLogger(__name__)


@asynccontextmanager
async def lifespan(app: FastAPI):
    """
    进程生命周期：启动企微 inbox/outbox 消费线程。

    为何放在 HTTP 进程：回调快回后需同机消费；与 LibreOffice 无关的快路径。
    """
    settings = get_settings()
    runtime = start_channel_runtime(settings)
    app.state.channel_runtime = runtime
    logger.info(
        "通道运行时就绪 ytd_env=%s wecom_agent_id=%s corp_configured=%s",
        settings.ytd_env,
        settings.wecom_agent_id,
        bool(settings.wecom_corp_id and settings.wecom_secret),
    )
    yield
    runtime.stop()


def create_app() -> FastAPI:
    """构建 FastAPI 应用（可供测试 import）。"""
    settings = get_settings()
    app = FastAPI(
        title="YTD Inquiry Agent HTTP",
        version="0.2.0",
        description="询价智能体 HTTP：企微回调入队 + echo 出站联调",
        lifespan=lifespan,
    )

    @app.get("/health")
    def health() -> dict[str, object]:
        """存活探测：不访问 PG/Redis；附带通道配置是否齐全（不含密钥）。"""
        return {
            "status": "UP",
            "service": "agent-http",
            "ytd_env": settings.ytd_env,
            "port": settings.agent_http_port,
            "wecom_crypto_ready": bool(
                settings.wecom_callback_token
                and settings.wecom_encoding_aes_key
                and settings.wecom_corp_id
            ),
            "wecom_send_ready": bool(settings.wecom_corp_id and settings.wecom_secret),
        }

    app.include_router(wecom_router)
    app.include_router(h5_router)
    app.include_router(bridge_router)
    app.include_router(aibot_router)
    return app


def main() -> None:
    """进程入口：默认端口 8910。"""
    logging.basicConfig(
        level=logging.INFO,
        format="%(asctime)s %(levelname)s [%(name)s] %(message)s",
    )
    settings = get_settings()
    # test 环境默认允许本机注入，便于并存期联调
    if settings.ytd_env == "test" and not settings.dev_inject_enabled:
        # pydantic 冻结后不能改；通过环境变量在启动前设置更干净。此处仅打日志提示。
        logger.info("提示：test 下可用 POST /internal/dev/inject-text 联调（无需改 Nginx）")

    app = create_app()
    logger.info(
        "启动智能体 HTTP ytd_env=%s port=%s",
        settings.ytd_env,
        settings.agent_http_port,
    )
    uvicorn.run(app, host="0.0.0.0", port=settings.agent_http_port, log_level="info")


if __name__ == "__main__":
    main()