from datetime import datetime

from sqlalchemy import BigInteger, Boolean, DateTime, Integer, JSON, SmallInteger, String
from sqlalchemy.orm import Mapped, mapped_column

from app.db.base import Base
from app.models.mixins import TimestampMixin

BIGINT_PK = BigInteger().with_variant(Integer, "sqlite")


class User(TimestampMixin, Base):
    """用户端用户表：按 Django 用户中心确定字段建模，只读取不承担登录注册职责。"""

    __tablename__ = "user"

    id: Mapped[int] = mapped_column(BIGINT_PK, primary_key=True, autoincrement=True, comment="用户ID")
    username: Mapped[str] = mapped_column(String(50), nullable=False, unique=True, index=True, comment="用户名")
    password: Mapped[str] = mapped_column(String(255), nullable=False, comment="密码哈希")
    real_name: Mapped[str] = mapped_column(String(50), nullable=False, comment="真实姓名")
    phone: Mapped[str] = mapped_column(String(20), nullable=False, unique=True, index=True, comment="手机号")
    avatar: Mapped[str] = mapped_column(String(255), nullable=False, default="", comment="头像")
    gender: Mapped[int] = mapped_column(SmallInteger, nullable=False, default=0, comment="性别")
    role_type: Mapped[str] = mapped_column(String(30), nullable=False, comment="角色类型")
    title_name: Mapped[str] = mapped_column(String(50), nullable=False, default="", comment="职称")
    major: Mapped[str] = mapped_column(String(100), nullable=False, default="", comment="专业")
    training_stage: Mapped[str] = mapped_column(String(50), nullable=False, default="", comment="培训阶段")
    learning_target: Mapped[str] = mapped_column(String(255), nullable=False, default="", comment="学习目标")
    competency_profile: Mapped[dict] = mapped_column(JSON, nullable=False, default=dict, comment="能力画像")
    weak_dimensions: Mapped[list] = mapped_column(JSON, nullable=False, default=list, comment="薄弱维度")
    strong_dimensions: Mapped[list] = mapped_column(JSON, nullable=False, default=list, comment="优势维度")
    ai_preference: Mapped[dict] = mapped_column(JSON, nullable=False, default=dict, comment="AI偏好")
    total_training_count: Mapped[int] = mapped_column(Integer, nullable=False, default=0, comment="训练次数")
    total_case_count: Mapped[int] = mapped_column(Integer, nullable=False, default=0, comment="病例数")
    current_level: Mapped[str] = mapped_column(String(30), nullable=False, default="", comment="当前等级")
    status: Mapped[int] = mapped_column(SmallInteger, nullable=False, default=1, comment="状态")
    last_login: Mapped[datetime | None] = mapped_column(DateTime, nullable=True, comment="最后登录")
    last_login_time: Mapped[datetime | None] = mapped_column(DateTime, nullable=True, comment="最后登录时间")
    is_superuser: Mapped[bool] = mapped_column(Boolean, nullable=False, default=False, comment="是否超级用户")
    is_staff: Mapped[bool] = mapped_column(Boolean, nullable=False, default=False, comment="是否员工")
    is_active: Mapped[bool] = mapped_column(Boolean, nullable=False, default=True, comment="是否激活")
    date_joined: Mapped[datetime | None] = mapped_column(DateTime, nullable=True, comment="加入时间")
    department_id: Mapped[int | None] = mapped_column(BigInteger, nullable=True, index=True, comment="科室ID")
    institution_id: Mapped[int | None] = mapped_column(BigInteger, nullable=True, index=True, comment="机构ID")

    __table_args__ = {"comment": "用户表"}