from flask import Flask, render_template, request
from flask_sqlalchemy import SQLAlchemy
import os

# Initialize the Flask application
app = Flask(__name__)

# Configure database
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///local.db'
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
db = SQLAlchemy(app)

# Define a simple User model
class User(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    username = db.Column(db.String(80), unique=True, nullable=False)
    email = db.Column(db.String(120), unique=True, nullable=False)

    def __repr__(self):
        return f'<User {self.username}>'

# Create database tables
with app.app_context():
    db.create_all()

# Main route
@app.route('/')
def index():
    return render_template('index.html')

# Run the application
if __name__ == '__main__':
    app.run(debug=True)