from flask_sqlalchemy import SQLAlchemy
from flask_login import UserMixin

from . import db


class User(UserMixin, db.Model):
    id = db.Column(db.Integer, primary_key=True)
    username = db.Column(db.String(150), unique=True, nullable=False)
    password = db.Column(db.String(150), nullable=False)
    photo = db.Column(db.String(150), nullable=False)

class Autores(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    nombre = db.Column(db.String(100), nullable=False)
    apellido = db.Column(db.String(100), nullable=False)
    libros = db.relationship('Libros', backref='autores', lazy=True)
    foto = db.Column(db.String(100), nullable=True)

    def __repr__(self):
        return f'<Autores {self.apellido}>'

class Libros(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    fecha = db.Column(db.Date, nullable=False)
    titulo = db.Column(db.String(100), nullable=False)
    portada = db.Column(db.String(100), nullable=True)
    autor_id = db.Column(db.Integer, db.ForeignKey('autores.id'), nullable=False)


    def __repr__(self):
        return f'<Libros {self.titulo}>'