from flask import Flask
from app.config import Config
from app.extensions import db, mail, limiter
from werkzeug.middleware.proxy_fix import ProxyFix
import logging

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

    app.wsgi_app = ProxyFix(app.wsgi_app, x_for=1, x_proto=1)

    gunicorn_logger = logging.getLogger("gunicorn.error")
    app.logger.handlers = gunicorn_logger.handlers
    app.logger.setLevel(gunicorn_logger.level)

    # Initialize extensions
    db.init_app(app)
    mail.init_app(app)
    limiter.init_app(app)

    # Register Blueprints
    from app.routes import bp as main_bp
    app.register_blueprint(main_bp)

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

    return app