from flask import request, jsonify

import screens

from core.flask_app import app


@app.route("/game/<slug>/screens/<int:screen_id>/background-music", methods=["POST"])
def screen_set_background_music(slug, screen_id):
    """Mémorise l'URL de musique de fond de cet écran, en AJAX — même patron
    que screen_set_aspect."""
    body = request.get_json(silent=True) or {}
    url = body.get("url", "")
    screens.set_screen_background_music(slug, screen_id, url)
    return jsonify({"ok": True})