from dataclasses import dataclass
from datetime import datetime
from typing import List, Optional


@dataclass
class HistPriceULModel:
    id_underlyings: int
    sottostante: str
    px_close: float
    px_date: datetime


@dataclass
class DetailsULModel:
    id_underlyings: int
    sottostante: str
    maturity_date: Optional[datetime]
    last_price: float
    strike: float
    spot_price_normalized: float
    dividend: float
    volatility: float
    days_to_maturity: int
    tasso_interesse: float


@dataclass
class DetailsEventModel:
    days_to_obs: int
    days_to_ex_date: int
    days_to_obs_y_fract: float
    coupon_value: float
    coupon_trigger: float
    autocall_value: float
    autocall_trigger: float
    memory: int


@dataclass
class DetailsCTFModel:
    tasso_interesse: float
    days_to_maturity: int
    pdi_style: str
    pdi_strike: float
    pdi_barrier: float
    capital_value: float
    nominal_amount: float
    bid: float
    ask: float
    last_date_price: datetime
    coupon_in_memory: float
    prot_min_val: float
    air_bag: int
    fattore_airbag: float
    one_star: int
    trigger_onestar: float
    twin_win: int
    sigma: int
    relief: int
    domino: int
    category: str
    cap: float
    leva: float


@dataclass
class FairValues:
    isin: str
    fair_value: float


@dataclass
class GarchParams:
    omega: float
    alpha: float
    beta: float
    sigma0: float


@dataclass
class UnderlyingStats:
    nome: str
    prezzi: List[float]
    log_returns: List[float]
    volatility: float


@dataclass
class PrezziSottostanti:
    id_underlyings: int
    sottostante: str
    prezzi_close: List[float]