from dataclasses import dataclass, field
from typing import Optional


@dataclass
class Candle:
    ts_code: str
    trade_date: str
    open: float
    high: float
    low: float
    close: float
    vol: float
    amount: float
    oi: float
    oi_chg: float
    pre_close: Optional[float] = None


@dataclass
class ScoreDetail:
    short_details: list = field(default_factory=list)
    medium_detail: dict = field(default_factory=dict)
    long_detail: dict = field(default_factory=dict)


@dataclass
class ScoreResult:
    ts_code: str
    trade_date: str
    close: float
    oi: float
    oi_chg: float
    short_term: float
    medium_term: float
    long_term: float
    composite: float
    signal: str
    detail: ScoreDetail