from sqlalchemy import Column, Integer, String, Text, DateTime, Date
from datetime import datetime, timezone, date
from app.database import Base


def utcnow():
    """统一获取 UTC 时间的工厂函数"""
    return datetime.now(timezone.utc)


class UserSettings(Base):
    """用户设置模型（单例，始终只有一条记录 id=1）"""
    __tablename__ = "user_settings"

    id = Column(Integer, primary_key=True, default=1)

    # 个人信息
    nickname = Column(String(50), default="爱莉希雅")
    avatar = Column(Text, nullable=True)
    signature = Column(String(200), nullable=True)
    birthday = Column(Date, nullable=True)
    email = Column(String(100), nullable=True)

    # 应用信息
    site_name = Column(String(50), default="爱莉希雅待办")

    # 应用偏好
    theme = Column(String(20), default="pink")
    language = Column(String(10), default="zh-CN")
    default_view = Column(String(20), default="list")
    default_sort_by = Column(String(20), default="created_at")
    default_sort_order = Column(String(10), default="desc")

    # 时间戳
    created_at = Column(DateTime, default=utcnow)
    updated_at = Column(DateTime, default=utcnow, onupdate=utcnow)