from flask import Flask
from flask_sqlalchemy import SQLAlchemy
from config import Config

db = SQLAlchemy()

def create_app():
    app = Flask(__name__)
    app.config.from_object(Config)
    db.init_app(app)

    from app.routes import customer, technician, admin
    app.register_blueprint(customer.customer_bp)
    app.register_blueprint(technician.technician_bp)
    app.register_blueprint(admin.admin_bp)

    with app.app_context():
        from app import models

    return app