from __future__ import annotations

import os
from pathlib import Path

from flask import Flask


def create_app() -> Flask:
    app = Flask(__name__)

    secret = os.getenv("FRONTEND_SECRET_KEY", "pysonnerie-frontend-dev-key")
    app.config["SECRET_KEY"] = secret

    project_root = Path(__file__).resolve().parents[2]
    app.config["PROJECT_ROOT"] = project_root
    app.config["MUSIC_DIR"] = project_root / "backend" / "data" / "musiques"
    app.config["MAX_CONTENT_LENGTH"] = 128 * 1024 * 1024

    from .routes import ui

    app.register_blueprint(ui)
    return app