from fastapi import APIRouter
from pydantic import BaseModel


INDEX = "总债务/EBITDA（倍）"

router = APIRouter()


class Params(BaseModel):
    短期借款: float
    长期借款: float
    利润总额: float
    计入财务费用的利息支出: float


@router.post("/{}".format(INDEX))
def func(p: Params):
    try:
        result = (p.短期借款 + p.长期借款) / (p.利润总额 + p.计入财务费用的利息支出)
        return round(result, 6)

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