from fastapi import APIRouter
from pydantic import BaseModel

INDEX = "风险覆盖率（%）"

router = APIRouter()


class Params(BaseModel):
    净资本: float
    各项风险资本准备之和: float


@router.post("/{}".format(INDEX))
def func(p: Params):
    try:
        result = p.净资本 / p.各项风险资本准备之和 * 100
        return round(result, 6)

    except ZeroDivisionError:
        return "算式无意义"
    except Exception:
        return "计算错误"