from main import db, app, ma
from sqlalchemy import Sequence
from sqlalchemy.exc import SQLAlchemyError


class Face(db.Model):
    __tablename__ = "face"
    id = db.Column(db.Integer, db.Sequence('face_id_seq'), primary_key=True )
    face = db.Column( db.LargeBinary )

    def __repr__(self):
        return f"<id: {self.id}, face={self.face}"

class FaceFileLink(db.Model):
    __tablename__ = "face_file_link"
    face_id = db.Column(db.Integer, db.ForeignKey("face.id"), primary_key=True )
    file_eid = db.Column(db.Integer, db.ForeignKey("file.eid"), primary_key=True )

    def __repr__(self):
        return f"<face_id: {self.face_id}, file_eid={self.file_eid}"

class FaceRefimgLink(db.Model):
    __tablename__ = "face_refimg_link"
    face_id = db.Column(db.Integer, db.ForeignKey("face.id"), primary_key=True )
    refimg_id = db.Column(db.Integer, db.ForeignKey("refimg.id"), primary_key=True )

    def __repr__(self):
        return f"<face_id: {self.face_id}, refimg_id={self.refimg_id}"