"""TIA-Zeile: Felder + getTIA Berechnung. Alles andere erbt Row."""
from __future__ import annotations

from dataclasses import dataclass

from ...row.row import Row


@dataclass
class TmvRow(Row):

    inputColumns = (
        "AssetNr", 
        "AssetName", 
        "POC", 
        "BOD",
        "ROE",
        "BWK",
        "KAP",
        "LST"
        )
    computedColumns = (
        "TMV",
    )

    AssetNr: str = None
    AssetName: str = None
    POC: float = None
    BOD: float = None
    ROE: float = None
    BWK: float = None
    KAP: float = None
    LST: float = None
    TMV: float = None

    def getTMV(self) -> float:
        try:
            return (self.ROE - self.BWK) * self.KAP + self.BOD - self.LST
        except (TypeError, ValueError):
            return 0.0