from fastapi import FastAPI
from pydantic import BaseModel
from datetime import datetime

app = FastAPI()

STORE = {
    "text": "",
    "updated_at": None
}

class TextIn(BaseModel):
    text: str

@app.post("/set")
def set_text(data: TextIn):
    STORE["text"] = data.text
    STORE["updated_at"] = datetime.utcnow().isoformat()
    return {"ok": True}

@app.get("/get")
def get_text():
    return STORE

@app.get("/")
def info():
    return {
        "usage": {
            "POST /set": {"text": "要粘贴的内容"},
            "GET /get": "获取当前文本"
        }
    }