#Database Models
from datetime import datetime

#Getting Db instance from __init__.py
from surveyInitialize import db, login_manager
from flask_login import UserMixin

#Login manager loads user and authenticates, checks if activite
@login_manager.user_loader
def load_user(user_id):
    return User.query.get(int(user_id))

#This creates the database fields
class User(db.Model, UserMixin):
    id = db.Column(db.Integer,primary_key=True)
    firstname = db.Column(db.String(20), nullable=False)
    lastname = db.Column(db.String(20), nullable=False)
    username = db.Column(db.String(20), unique=True,nullable=False)
    email = db.Column(db.String(30), unique=True, nullable=False)
    password = db.Column(db.String(60), nullable=False)
    posts = db.relationship('Post',backref='author',lazy=True) #Relationship not column (Running additional query)

    def __repr__(self):
        return f"User('{self.username}', '{self.email}')"

class Post(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    title = db.Column(db.String(100), nullable=False)
    date_posted = db.Column(db.DateTime, nullable=False, default=datetime.utcnow)
    content = db.Column(db.Text, nullable=False)
    user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)

    def __repr__(self):
        return f"User('{self.title}', '{self.date_posted}')"