import os
from flask import Flask
from flask_migrate import Migrate
from flask_socketio import SocketIO
from dotenv import load_dotenv
from .models import db

socketio = SocketIO(cors_allowed_origins="*")
migrate = Migrate()


def create_app():
    load_dotenv()

    app = Flask(__name__)
    app.config["SECRET_KEY"] = os.getenv("SECRET_KEY", "dev-secret")
    app.config["SQLALCHEMY_DATABASE_URI"] = os.getenv(
        "DATABASE_URL",
        "postgresql+psycopg2://rezept_finder:rezept_finder@localhost:5432/rezept_finder",
    )
    app.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = False

    db.init_app(app)
    migrate.init_app(app, db)
    socketio.init_app(app, cors_allowed_origins=os.getenv("FRONTEND_ORIGIN", "*"))

    from .routes.sessions import bp as sessions_bp
    app.register_blueprint(sessions_bp, url_prefix="/api/sessions")

    from .socket import events  # noqa: F401

    return app