from contextlib import asynccontextmanager
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from app.database import init_db
from app.routers import (
    auth_router,
    conversation_router,
    document_router,
    task_router,
    forum_router,
    graph_router,
    agent_router,
    todo_router,
    settings_router,
    folder_router,
    skill_router,
)
from app.routers.scheduler import router as scheduler_router
from app.services.scheduler_service import start_scheduler, stop_scheduler, get_scheduler_status
from app.config import settings
import os


@asynccontextmanager
async def lifespan(app: FastAPI):
    # 启动
    os.makedirs(settings.DATA_DIR, exist_ok=True)
    os.makedirs(settings.UPLOAD_DIR, exist_ok=True)
    os.makedirs(settings.CHROMA_PERSIST_DIR, exist_ok=True)
    await init_db()
    start_scheduler()
    yield
    # 关闭
    stop_scheduler()


app = FastAPI(
    title=settings.APP_NAME,
    version=settings.APP_VERSION,
    lifespan=lifespan,
)

# CORS
app.add_middleware(
    CORSMiddleware,
    allow_origins=settings.CORS_ORIGINS,
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

# 注册路由
app.include_router(auth_router)
app.include_router(conversation_router)
app.include_router(document_router)
app.include_router(task_router)
app.include_router(forum_router)
app.include_router(graph_router)
app.include_router(agent_router)
app.include_router(todo_router)
app.include_router(settings_router)
app.include_router(folder_router)
app.include_router(skill_router)
app.include_router(scheduler_router)


@app.get("/api/health")
async def health():
    return {
        "status": "ok",
        "version": settings.APP_VERSION,
        "llm_provider": settings.LLM_PROVIDER,
        "scheduler": get_scheduler_status(),
    }
