# from flask import Flask
# from flask_sqlalchemy import SQLAlchemy
# from flask_migrate import Migrate
# from flask_login import LoginManager
# from flask_ldap3_login import LDAP3LoginManager
# import os
 
# db = SQLAlchemy()
# migrate = Migrate()
# login_manager = LoginManager()
# ldap_manager = LDAP3LoginManager()
 
# from app.models import User
# # Flask-Login user loader
# @login_manager.user_loader
# def load_user(user_id):
#     return User.query.get(int(user_id))
 
 
# def create_app():
#     app = Flask(__name__)
   
#     # --------------------
#     # App config
#     # --------------------
#     app.config['SECRET_KEY'] = 'dev-secret-key'   # 🔐 change this in production
#     app.config['SQLALCHEMY_DATABASE_URI'] = 'mysql+pymysql://root:admin@localhost/excel_data7'
#  # 🔽 Add upload folder config
#     app.config['UPLOAD_FOLDER'] = os.path.join(app.root_path, 'upload')

#     # Make sure folder exists
#     os.makedirs(app.config['UPLOAD_FOLDER'], exist_ok=True)
#     # --------------------
#     # LDAP config
#     # --------------------
#     app.config['LDAP_HOST'] = 'openldap'
#     app.config['LDAP_PORT'] = 389
#     app.config['LDAP_BASE_DN'] = 'dc=lcepl,dc=org'
#     app.config['LDAP_BIND_USER_DN'] = 'cn=admin,dc=lcepl,dc=org'
#     app.config['LDAP_BIND_USER_PASSWORD'] = 'admin123'
#     app.config['LDAP_USER_DN'] = 'ou=users'
#     app.config['LDAP_GROUP_DN'] = 'ou=groups'
#     app.config['LDAP_USER_RDN_ATTR'] = 'uid'
#     app.config['LDAP_USER_LOGIN_ATTR'] = 'uid'
 
#     # Extra to avoid BasicAuth popup
#     app.config['USE_LDAP_AUTH'] = True
#     app.config['LDAP_REQUIRE_CERT'] = False
#     app.config['LDAP_LOGIN_VIEW'] = 'main.login'   # your login route
 
#     # --------------------
#     # Init extensions
#     # --------------------
#     db.init_app(app)
#     migrate.init_app(app, db)
#     login_manager.init_app(app)
#     ldap_manager.init_app(app)
 
#     # Redirect to login if not authenticated
#     login_manager.login_view = "main.login"
 
#     # --------------------
#     # Register blueprints
#     # --------------------
#     from app.routes.main import main
#     app.register_blueprint(main)
 
#     return app