# app/models.py
from sqlalchemy import Column, Integer, String, Text, ForeignKey
from sqlalchemy.orm import relationship
from .database import Base

class Sequence(Base):
    __tablename__ = "sequences"

    id = Column(Integer, primary_key=True, index=True)
    name = Column(String, index=True)
    description = Column(String)
    sequence = Column(Text)

    features = relationship("Feature", back_populates="sequence")

class Feature(Base):
    __tablename__ = "features"

    id = Column(Integer, primary_key=True, index=True)
    type = Column(String, index=True)
    location = Column(String)
    sequence = Column(Text)
    qualifiers = Column(Text)

    sequence_id = Column(Integer, ForeignKey('sequences.id'))
    sequence = relationship("Sequence", back_populates="features")