"""
Linux BenchTools - Document Model
"""

from sqlalchemy import Column, Integer, String, DateTime, ForeignKey
from sqlalchemy.orm import relationship
from datetime import datetime
from app.db.base import Base


class Document(Base):
    """
    Uploaded documents associated with a device
    """
    __tablename__ = "documents"

    id = Column(Integer, primary_key=True, index=True, autoincrement=True)
    device_id = Column(Integer, ForeignKey("devices.id"), nullable=False, index=True)
    doc_type = Column(String(50), nullable=False)  # manual, warranty, invoice, photo, other
    filename = Column(String(255), nullable=False)
    stored_path = Column(String(512), nullable=False)
    mime_type = Column(String(100), nullable=False)
    size_bytes = Column(Integer, nullable=False)
    uploaded_at = Column(DateTime, nullable=False, default=datetime.utcnow)

    # Relationships
    device = relationship("Device", back_populates="documents")

    def __repr__(self):
        return f"<Document(id={self.id}, device_id={self.device_id}, filename='{self.filename}')>"
