"""
期货数据模型
"""
from datetime import datetime, date
from sqlalchemy import Column, Integer, String, BigInteger, Numeric, Boolean, Date, DateTime
from app.db.base import Base


class FutureInfo(Base):
    """期货基础信息表"""
    __tablename__ = "future_info"
    
    id = Column(Integer, primary_key=True, index=True)
    code = Column(String(20), unique=True, nullable=False, index=True)
    symbol = Column(String(100), nullable=False)
    underlying = Column(String(20))
    contract_month = Column(String(10))
    pre_close = Column(Numeric(12, 4))
    high_limited = Column(Numeric(12, 4))
    low_limited = Column(Numeric(12, 4))
    price_tick = Column(Numeric(10, 4))
    exchange = Column(String(10), default="CFE")
    list_date = Column(Date)
    expire_date = Column(Date)
    is_active = Column(Boolean, default=True)
    created_at = Column(DateTime(timezone=True), default=datetime.utcnow)
    updated_at = Column(DateTime(timezone=True), default=datetime.utcnow, onupdate=datetime.utcnow)


class FutureKlineDaily(Base):
    """期货日线数据表"""
    __tablename__ = "future_kline_daily"
    
    id = Column(BigInteger, primary_key=True, index=True)
    code = Column(String(20), nullable=False, index=True)
    trade_date = Column(Date, nullable=False, index=True)
    open = Column(Numeric(12, 4), nullable=False)
    high = Column(Numeric(12, 4), nullable=False)
    low = Column(Numeric(12, 4), nullable=False)
    close = Column(Numeric(12, 4), nullable=False)
    volume = Column(BigInteger, nullable=False)
    amount = Column(Numeric(18, 4), nullable=False)
    settle = Column(Numeric(12, 4))
    open_interest = Column(BigInteger)
    pre_settle = Column(Numeric(12, 4))
    created_at = Column(DateTime(timezone=True), default=datetime.utcnow)
    updated_at = Column(DateTime(timezone=True), default=datetime.utcnow, onupdate=datetime.utcnow)


class FutureKlineMin(Base):
    """期货分钟数据表"""
    __tablename__ = "future_kline_min"
    
    id = Column(BigInteger, primary_key=True, index=True)
    code = Column(String(20), nullable=False, index=True)
    period_type = Column(String(10), nullable=False)
    trade_datetime = Column(DateTime, nullable=False, index=True)
    open = Column(Numeric(12, 4), nullable=False)
    high = Column(Numeric(12, 4), nullable=False)
    low = Column(Numeric(12, 4), nullable=False)
    close = Column(Numeric(12, 4), nullable=False)
    volume = Column(BigInteger, nullable=False)
    amount = Column(Numeric(18, 4), nullable=False)
    settle = Column(Numeric(12, 4))
    open_interest = Column(BigInteger)
    created_at = Column(DateTime(timezone=True), default=datetime.utcnow)