import uuid
from datetime import datetime

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

from app.db.base import Base


class EmailVerification(Base):
    __tablename__ = "email_verifications"

    id: Mapped[uuid.UUID] = mapped_column(
        primary_key=True,
        default=uuid.uuid4,
    )

    user_id: Mapped[uuid.UUID] = mapped_column(
        ForeignKey("users.id", ondelete="CASCADE"),
        index=True,
        nullable=False,
    )

    code_hash: Mapped[str] = mapped_column(
        String(255),
        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,
    )

    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True),
        server_default=func.now(),
        nullable=False,
    )