from typing import Optional
import tdw_catalog.metadata_template.currency as template_currency
from tdw_catalog.utils import CurrencyFieldValue
import tdw_catalog.metadata_template.field as field


class Field(field.RecommendedTemplateMetadataField[CurrencyFieldValue],
            template_currency.Field):
    """
    Track and report on the data license cost

    Attributes
    ----------
    None
    """

    def __init__(self, key: str, currency: Optional[str],
                 amount: Optional[float], optional: Optional[bool]) -> None:
        template_currency.Field.__init__(self, key, currency, amount, optional)

    def serialize(self) -> dict:
        res = super().serialize()
        res["recommended_type"] = "cost"
        return res