"""
总债务资本化比率
"""
from fastapi import APIRouter, HTTPException
from pydantic import BaseModel

from Common.schemas import IndicatorDescription

router = APIRouter()

# 指标描述
ENAME = "total_debt_capitalization_ratio"
CNAME = "总债务资本化比率"
NATURE = "定量"
CATEGORY = "资本结构"
DESCRIPTION = "总债务资本化比率 = 负债合计 / (负债合计 + 归属于母公司所有者权益合计)"

# 参数描述
PARAM1_ENAME = "total_liabilities"
PARAM1_CNAME = "负债合计"
PARAM1_DESCR = "资产负债表-负债合计"

PARAM2_ENAME = "parent_company_total_owner_equity"
PARAM2_CNAME = "归属于母公司所有者权益合计"
PARAM2_DESCR = "资产负债表-归属于母公司所有者权益合计"


# 输入参数
class Parameter(BaseModel):
    total_liabilities: float = "负债合计"
    parent_company_total_owner_equity: float = "归属于母公司所有者权益合计"


# 计算接口
@router.post("/{}/".format(ENAME), tags=[CATEGORY], summary=CNAME, description=DESCRIPTION)
def calculation(parameter: Parameter):
    try:
        result = parameter.total_liabilities / (parameter.total_liabilities + parameter.parent_company_total_owner_equity)
        return round(result, 6)

    except Exception:
        raise HTTPException(status_code=400, detail="Calculate Failed")


# 描述接口
@router.get("/{}/description".format(ENAME),
            response_model=IndicatorDescription,
            tags=[CATEGORY], summary=CNAME, description=DESCRIPTION)
def description():

    body = {
        "ename": ENAME,
        "cname": CNAME,
        "nature": NATURE,
        "category": CATEGORY,
        "description": DESCRIPTION,
        "parameters": [
            {"ename": PARAM1_ENAME, "cname": PARAM1_CNAME, "description": PARAM1_DESCR},
            {"ename": PARAM2_ENAME, "cname": PARAM2_CNAME, "description": PARAM2_DESCR}
        ],
    }

    return body