from datetime import datetime
from uuid import uuid4

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

from app.core.database import Base


class UploadedImage(Base):
    __tablename__ = "uploaded_images"

    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"), index=True)
    storage_key: Mapped[str] = mapped_column(String(512))
    original_filename: Mapped[str] = mapped_column(String(255))
    content_type: Mapped[str] = mapped_column(String(80))
    size_bytes: Mapped[int]
    expires_at: Mapped[datetime] = mapped_column(DateTime, index=True)
    created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)

    reports = relationship("PalmReport", back_populates="image")