from __future__ import annotations

from datetime import UTC, datetime
from uuid import uuid4

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

from app.db.base import Base


class RefreshToken(Base):
    __tablename__ = "refresh_tokens"

    id: Mapped[str] = mapped_column(String(36), primary_key=True, default=lambda: str(uuid4()))
    user_id: Mapped[str] = mapped_column(String(36), ForeignKey("users.id", ondelete="CASCADE"), index=True)
    token_hash: Mapped[str] = mapped_column(String(64), unique=True, nullable=False)
    family_id: Mapped[str] = mapped_column(String(36), nullable=False, index=True)
    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, default=lambda: datetime.now(UTC)
    )


class PasswordResetToken(Base):
    __tablename__ = "password_reset_tokens"

    id: Mapped[str] = mapped_column(String(36), primary_key=True, default=lambda: str(uuid4()))
    user_id: Mapped[str] = mapped_column(String(36), ForeignKey("users.id", ondelete="CASCADE"), index=True)
    token_hash: Mapped[str] = mapped_column(String(64), unique=True, nullable=False)
    expires_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False)
    used_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)


class EmailVerificationToken(Base):
    __tablename__ = "email_verification_tokens"

    id: Mapped[str] = mapped_column(String(36), primary_key=True, default=lambda: str(uuid4()))
    user_id: Mapped[str] = mapped_column(String(36), ForeignKey("users.id", ondelete="CASCADE"), index=True)
    token_hash: Mapped[str] = mapped_column(String(64), unique=True, nullable=False)
    expires_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False)
    used_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)