from sqlalchemy import Boolean, String, UniqueConstraint
from sqlalchemy.orm import Mapped, mapped_column

from app.core.db import Base
from app.models.mixins import TimestampMixin, UUIDPrimaryKeyMixin

ROLES = ("operations_manager", "rental_employee")


class User(UUIDPrimaryKeyMixin, TimestampMixin, Base):
    __tablename__ = "users"
    __table_args__ = (
        UniqueConstraint("identity_provider", "external_subject", name="uq_user_external_identity"),
    )

    public_ref: Mapped[str] = mapped_column(String(20), unique=True, nullable=False)
    email: Mapped[str | None] = mapped_column(String(320), unique=True, nullable=True)
    password_hash: Mapped[str | None] = mapped_column(String(512), nullable=True)
    display_name: Mapped[str] = mapped_column(String(120), nullable=False)
    role: Mapped[str] = mapped_column(String(30), nullable=False)
    active: Mapped[bool] = mapped_column(Boolean, nullable=False, default=True)
    identity_provider: Mapped[str | None] = mapped_column(String(80), nullable=True)
    external_subject: Mapped[str | None] = mapped_column(String(255), nullable=True)