from sqlalchemy import Boolean, Column, DateTime, ForeignKey, String
from sqlalchemy.orm import relationship

from app.core.db import Base, utc_now


class RefreshToken(Base):
    __tablename__ = "refresh_tokens"

    id = Column(String, primary_key=True)
    user_id = Column(String, ForeignKey("users.id"), nullable=False, index=True)
    token = Column(String, unique=True, nullable=False, index=True)
    expires_at = Column(DateTime(timezone=True), nullable=False)
    created_at = Column(DateTime(timezone=True), default=utc_now)
    is_revoked = Column(Boolean, default=False)
    device_info = Column(String, nullable=True)
    replaced_by_token_id = Column(
        String, ForeignKey("refresh_tokens.id"), nullable=True, index=True
    )
    rotated_at = Column(DateTime(timezone=True), nullable=True)

    user = relationship("User", back_populates="refresh_tokens")
    replaced_by = relationship(
        "RefreshToken",
        remote_side="RefreshToken.id",
        foreign_keys=[replaced_by_token_id],
    )


class SmsVerificationCode(Base):
    __tablename__ = "sms_verification_codes"

    id = Column(String, primary_key=True)
    phone = Column(String, nullable=False, index=True)
    code = Column(String, nullable=False)
    purpose = Column(String, nullable=False)
    is_used = Column(Boolean, default=False)
    is_expired = Column(Boolean, default=False)
    expires_at = Column(DateTime(timezone=True), nullable=False)
    created_at = Column(DateTime(timezone=True), default=utc_now)
    verified_at = Column(DateTime(timezone=True), nullable=True)
    ip_address = Column(String, nullable=True)