from fastapi import APIRouter
from pydantic import BaseModel

INDEX = "核心一级资本充足率（%）"

router = APIRouter()


class Params(BaseModel):
    核心一级资本: float
    对应资本扣除项: float
    风险加权资产: float


# 计算接口
@router.post("/{}".format(INDEX))
def func(p: Params):
    try:
        d = p.核心一级资本 + p.对应资本扣除项
        result = d / p.风险加权资产 * 100
        return round(result, 6)

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