app.py

import os
import logging
from flask import Flask
from flask_sqlalchemy import SQLAlchemy
from flask_login import LoginManager
from sqlalchemy.orm import DeclarativeBase
from werkzeug.middleware.proxy_fix import ProxyFix

# Configure logging
logging.basicConfig(level=logging.DEBUG)

class Base(DeclarativeBase):
    pass

db = SQLAlchemy(model_class=Base)

# Create the app
app = Flask(__name__)
app.secret_key = os.environ.get("SESSION_SECRET", "supersecretkey-change-in-production")
app.wsgi_app = ProxyFix(app.wsgi_app, x_proto=1, x_host=1)

# Configure the database
app.config["SQLALCHEMY_DATABASE_URI"] = os.environ.get("DATABASE_URL", "sqlite:///comics.db")
app.config["SQLALCHEMY_ENGINE_OPTIONS"] = {
    "pool_recycle": 300,
    "pool_pre_ping": True,
}

# Initialize extensions
db.init_app(app)
login_manager = LoginManager()
login_manager.init_app(app)
login_manager.login_view = 'auth.login'
login_manager.login_message = 'Please log in to access this page.'
login_manager.login_message_category = 'info'

@login_manager.user_loader
def load_user(user_id):
    from models import User
    return User.query.get(int(user_id))

# Import routes after app creation to avoid circular imports
with app.app_context():
    import models
    import routes
    db.create_all()