"""
User Model

Represents users synced from Authentik SSO.
"""
import uuid
from datetime import datetime
from typing import TYPE_CHECKING, List

from sqlalchemy import String, Boolean, DateTime, func
from sqlalchemy.dialects.postgresql import UUID
from sqlalchemy.orm import Mapped, mapped_column, relationship

from src.db.database import Base

if TYPE_CHECKING:
    from src.db.models.role import Role
    from src.db.models.user_preferences import UserPreferences
    from src.db.models.api_key import ApiKey


class User(Base):
    """
    User model synced from Authentik

    Users are created/updated when they authenticate via OIDC.
    The authentik_id links to the Authentik user record.
    """

    __tablename__ = "users"

    id: Mapped[uuid.UUID] = mapped_column(
        UUID(as_uuid=True),
        primary_key=True,
        default=uuid.uuid4,
    )
    authentik_id: Mapped[uuid.UUID] = mapped_column(
        UUID(as_uuid=True),
        unique=True,
        nullable=False,
        index=True,
    )
    email: Mapped[str] = mapped_column(
        String(255),
        unique=True,
        nullable=False,
        index=True,
    )
    name: Mapped[str] = mapped_column(
        String(255),
        nullable=False,
    )
    avatar_url: Mapped[str | None] = mapped_column(
        String(500),
        nullable=True,
    )
    api_keys_enabled: Mapped[bool] = mapped_column(
        Boolean,
        default=True,
        nullable=False,
    )
    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True),
        server_default=func.now(),
        nullable=False,
    )
    last_login: Mapped[datetime | None] = mapped_column(
        DateTime(timezone=True),
        nullable=True,
    )

    # Relationships
    roles: Mapped[List["Role"]] = relationship(
        "Role",
        secondary="user_roles",
        back_populates="users",
        lazy="selectin",
    )
    preferences: Mapped["UserPreferences"] = relationship(
        "UserPreferences",
        back_populates="user",
        uselist=False,
        lazy="selectin",
        cascade="all, delete-orphan",
    )
    api_keys: Mapped[List["ApiKey"]] = relationship(
        "ApiKey",
        back_populates="user",
        lazy="selectin",
        cascade="all, delete-orphan",
    )

    def __repr__(self) -> str:
        return f"<User {self.email}>"