from __future__ import annotations

import asyncio
import json
from contextlib import asynccontextmanager

from fastapi import FastAPI

from .logging import logger

from .config import WARMUP_INIT_RETRIES, WARMUP_INIT_DELAY_S
from .bridge import initialize_once
from .router import router


@asynccontextmanager
async def lifespan(app: FastAPI):
    """应用生命周期管理"""
    # 启动时执行
    try:
        logger.info("[OpenAI Compat] Server starting with direct module integration")
        logger.info("[OpenAI Compat] Endpoints: GET /healthz, GET /v1/models, POST /v1/chat/completions")
    except Exception:
        pass

    # 移除HTTP健康检查，现在使用直接模块调用
    logger.info("[OpenAI Compat] 跳过HTTP健康检查，使用直接模块集成")

    try:
        await initialize_once()
    except Exception as e:
        logger.warning(f"[OpenAI Compat] Warmup initialize_once on startup failed: {e}")

    yield
    # 关闭时执行（如果需要的话）


app = FastAPI(
    title="OpenAI Chat Completions (Warp bridge) - Streaming",
    lifespan=lifespan
)
app.include_router(router)