from app.extensions import db
from datetime import datetime


class Receipt(db.Model):
    __tablename__ = 'receipts'

    id = db.Column(db.Integer, primary_key=True)
    filename = db.Column(db.String(255), nullable=False)
    original_filename = db.Column(db.String(255), nullable=False)
    file_size = db.Column(db.Integer, nullable=True)
    mime_type = db.Column(db.String(50), nullable=True)
    uploaded_at = db.Column(db.DateTime, default=datetime.utcnow)

    transaction = db.relationship('Transaction', back_populates='receipt', uselist=False)

    def __repr__(self):
        return f'<Receipt {self.filename}>'