# app/models/__init__.py
# This file makes the models directory a Python package 

from app import db
from datetime import datetime
from flask_login import UserMixin
from werkzeug.security import generate_password_hash, check_password_hash
from .facebook_ad import FacebookAd

class User(UserMixin, db.Model):
    id = db.Column(db.Integer, primary_key=True)
    email = db.Column(db.String(120), unique=True, nullable=False)
    password = db.Column(db.String(128), nullable=False)
    role = db.Column(db.String(20), default="viewer")
    created_at = db.Column(db.DateTime, default=datetime.utcnow)
    updated_at = db.Column(db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)

    def __repr__(self):
        return f'<User {self.email}>'
    
    def set_password(self, password):
        self.password = generate_password_hash(password)
    
    def check_password(self, password):
        return check_password_hash(self.password, password)

class Ad(db.Model):
    id = db.Column(db.String(36), primary_key=True)
    content = db.Column(db.Text)
    sentiment = db.Column(db.JSON)
    ad_metadata = db.Column(db.JSON)
    user_id = db.Column(db.Integer, db.ForeignKey('user.id'))
    versions = db.relationship('AdVersion', backref='ad')

class AdVersion(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    ad_id = db.Column(db.String(36), db.ForeignKey('ad.id'))
    content = db.Column(db.Text)
    timestamp = db.Column(db.DateTime, default=datetime.utcnow)