"""User model."""

import uuid
from datetime import datetime

from sqlalchemy import String, Boolean, DateTime, ForeignKey, func
from sqlalchemy.orm import Mapped, mapped_column, relationship

from app.db.base import Base


class User(Base):
    """Represents a user within a tenant account."""

    __tablename__ = "users"

    id: Mapped[str] = mapped_column(
        String(36), primary_key=True, default=lambda: str(uuid.uuid4())
    )
    account_id: Mapped[str] = mapped_column(
        String(36), ForeignKey("accounts.id", ondelete="CASCADE"), nullable=False
    )
    email: Mapped[str] = mapped_column(String(255), unique=True, nullable=False)
    full_name: Mapped[str] = mapped_column(String(255), nullable=False)
    password_hash: Mapped[str] = mapped_column(String(255), nullable=False)
    role_id: Mapped[str | None] = mapped_column(
        String(36), ForeignKey("roles.id", ondelete="SET NULL"), nullable=True
    )
    is_active: Mapped[bool] = mapped_column(Boolean, default=True, nullable=False)
    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), server_default=func.now(), nullable=False
    )
    updated_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), server_default=func.now(), onupdate=func.now(), nullable=False
    )

    # Relationships
    account: Mapped["Account"] = relationship("Account", back_populates="users")
    role: Mapped["Role | None"] = relationship("Role", back_populates="users")