from datetime import datetime
from typing import TYPE_CHECKING

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

from app.database.base import Base

if TYPE_CHECKING:
    from app.users.models import User


class EmailVerificationToken(Base):
    __tablename__ = "email_verification_tokens"

    id: Mapped[int] = mapped_column(primary_key=True, index=True)
    user_id: Mapped[int] = mapped_column(ForeignKey("users.id", ondelete="CASCADE"), nullable=False, index=True)
    token: Mapped[str] = mapped_column(String(255), unique=True, index=True, nullable=False)
    expires_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False, index=True)
    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False)

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


class PasswordResetToken(Base):
    __tablename__ = "password_reset_tokens"

    id: Mapped[int] = mapped_column(primary_key=True, index=True)
    user_id: Mapped[int] = mapped_column(ForeignKey("users.id", ondelete="CASCADE"), nullable=False, index=True)
    token: Mapped[str] = mapped_column(String(255), unique=True, index=True, nullable=False)
    expires_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False, index=True)
    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False)

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