"""中心服务端入口：收各校桌面端上报的经验草稿，审核后发布回去。

启动：npm run hub            （= .venv\\Scripts\\python.exe server/main.py）
后台：http://127.0.0.1:8801/  （构建过 console 后可用：npm run hub:build）
自检：server/main.py --selfcheck
"""

import sys
from pathlib import Path

ROOT = Path(__file__).resolve().parent.parent
if str(ROOT) not in sys.path:
    sys.path.insert(0, str(ROOT))

from dotenv import load_dotenv  # noqa: E402

load_dotenv(ROOT / ".env")

from server.config import CONSOLE_DIST, settings  # noqa: E402


def selfcheck() -> int:
    import json

    import server.api.routes  # noqa: F401
    from server.db.database import SCHEMA_PATH

    print(json.dumps({
        "ok": True,
        "port": settings.port,
        "db": f"{settings.pg_host}:{settings.pg_port}/{settings.pg_database}",
        "schema_sql": SCHEMA_PATH.exists(),
        "console_built": CONSOLE_DIST.exists(),
        "console_auth": bool(settings.console_token),
        "llm_ready": bool(settings.llm_api_key),
    }, ensure_ascii=False))
    return 0


if "--selfcheck" in sys.argv:
    sys.exit(selfcheck())

import uvicorn  # noqa: E402
from fastapi import FastAPI  # noqa: E402
from fastapi.middleware.cors import CORSMiddleware  # noqa: E402
from fastapi.responses import FileResponse  # noqa: E402
from fastapi.staticfiles import StaticFiles  # noqa: E402

from server.api.routes import router  # noqa: E402
from server.db.database import init_db  # noqa: E402

init_db()

app = FastAPI(title="School Assistant Hub", version="0.1.0")
app.add_middleware(
    CORSMiddleware,
    allow_origins=["*"],
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)
app.include_router(router)

# 后台界面：构建产物存在就一并伺候，不必单独起前端服务
if CONSOLE_DIST.exists():
    app.mount("/assets", StaticFiles(directory=CONSOLE_DIST / "assets"), name="assets")

    @app.get("/")
    async def console_index():
        return FileResponse(CONSOLE_DIST / "index.html")
else:
    @app.get("/")
    async def console_missing():
        return {"name": "school-assistant-hub", "console": "尚未构建，执行 npm run hub:build", "docs": "/docs"}


if __name__ == "__main__":
    print(f"[hub] 后台 http://127.0.0.1:{settings.port}/  接口文档 /docs", flush=True)
    uvicorn.run(app, host="127.0.0.1", port=settings.port, reload=False)