import uuid
from datetime import datetime
from sqlalchemy import String, Boolean, DateTime, ForeignKey, func
from sqlalchemy import Uuid
from sqlalchemy.orm import Mapped, mapped_column, relationship
from app.models.base import Base, UUIDMixin, TimestampMixin


class User(Base, UUIDMixin, TimestampMixin):
    __tablename__ = "users"

    email: Mapped[str] = mapped_column(String(255), unique=True, nullable=False, index=True)
    hashed_password: Mapped[str] = mapped_column(String(255), nullable=False)
    is_active: Mapped[bool] = mapped_column(Boolean, default=True, nullable=False)

    refresh_tokens: Mapped[list["RefreshToken"]] = relationship(
        "RefreshToken", back_populates="user", cascade="all, delete-orphan"
    )


class RefreshToken(Base, UUIDMixin):
    __tablename__ = "refresh_tokens"

    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(String(255), nullable=False)
    expires_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False)
    revoked: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False)
    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True),
        server_default=func.now(),
        nullable=False,
    )

    user: Mapped["User"] = relationship("User", back_populates="refresh_tokens")