from __future__ import annotations

import enum

from sqlalchemy import Enum, String
from sqlalchemy.orm import Mapped, mapped_column

from app.db.base import Base, TimestampMixin, UUIDMixin


class DocumentOwnerType(str, enum.Enum):
    customer = "customer"
    device = "device"
    validation = "validation"
    equipment = "equipment"


class Document(Base, UUIDMixin, TimestampMixin):
    __tablename__ = "documents"

    owner_type: Mapped[DocumentOwnerType] = mapped_column(Enum(DocumentOwnerType), index=True)
    owner_id: Mapped[str] = mapped_column(String(80), index=True)
    filename: Mapped[str] = mapped_column(String(255))
    content_type: Mapped[str] = mapped_column(String(120))
    storage_path: Mapped[str] = mapped_column(String(500))