from flask import Flask
from flask_sqlalchemy import SQLAlchemy
from datetime import datetime

db = SQLAlchemy()

def create_app():
    app = Flask(__name__)
    app.config['SECRET_KEY'] = 'your_secret_key'
    app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///users.db'
    app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False

    db.init_app(app)

    from .routes import bp
    app.register_blueprint(bp)

    # Add 'now' function to Jinja2 globals
    app.jinja_env.globals['now'] = datetime.now

    with app.app_context():
        db.create_all()  # Create database tables if they don't exist

    return app