import uuid
from datetime import datetime
from sqlalchemy import DateTime, Boolean, func
from sqlalchemy.orm import Mapped, mapped_column


class UUIDMixin:
    id: Mapped[uuid.UUID] = mapped_column(
        primary_key=True, default=uuid.uuid4, unique=True, nullable=False
    )


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


class SoftDeleteMixin:
    deleted: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False)