"""
User entity — ER Diagram §3.2.6
Attributes: User_ID, username, email, password_hash, role
"""

import enum

from sqlalchemy import Enum, String
from sqlalchemy.orm import Mapped, mapped_column, relationship

from app.db.base import Base


class UserRole(str, enum.Enum):
    admin = "admin"
    analyst = "analyst"


class User(Base):
    __tablename__ = "users"

    user_id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
    username: Mapped[str] = mapped_column(String(100), unique=True, nullable=False)
    email: Mapped[str] = mapped_column(String(255), unique=True, nullable=False)
    password_hash: Mapped[str] = mapped_column(String(255), nullable=False)
    role: Mapped[UserRole] = mapped_column(
        Enum(UserRole), nullable=False, default=UserRole.analyst
    )

    jobs: Mapped[list["MappingJob"]] = relationship(back_populates="user")