import uuid
from datetime import datetime

from sqlalchemy import Boolean, DateTime, ForeignKey, Text
from sqlalchemy.dialects.postgresql import INET, UUID
from sqlalchemy.orm import Mapped, mapped_column, relationship

from app.db.base import Base


class Session(Base):
    __tablename__ = "sessions"

    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    user_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("users.id", ondelete="CASCADE"), nullable=False, index=True)
    token_hash: Mapped[str] = mapped_column(Text, unique=True, nullable=False, index=True)
    ip_address: Mapped[str | None] = mapped_column(INET, nullable=True)
    user_agent: Mapped[str | None] = mapped_column(Text, nullable=True)
    last_active_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False)
    expires_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False)
    revoked_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False)

    user: Mapped["User"] = relationship(back_populates="sessions", lazy="noload")  # type: ignore[name-defined]