"""Hugging Face Space entry point.

Imports the Dash app from src/m4_dashboard/app.py and runs it on port 7860,
which is what HF Spaces routes externally.
"""
import os
import sys

ROOT = os.path.dirname(os.path.abspath(__file__))
sys.path.insert(0, os.path.join(ROOT, "src", "m4_dashboard"))

# Importing app builds the layout and registers callbacks
from app import app  # noqa: E402

# Expose the Flask server for any WSGI host (e.g. gunicorn)
server = app.server


if __name__ == "__main__":
    port = int(os.environ.get("PORT", "7860"))
    print(f"[microplastinet-hf] starting Dash on 0.0.0.0:{port}")
    app.run(host="0.0.0.0", port=port, debug=False, use_reloader=False)