app.py

"""Entry point for the YouTube Trends Analysis Dashboard."""
from __future__ import annotations

import logging
import os

try:
    from dotenv import load_dotenv  # type: ignore[import-not-found]
except ImportError:  # pragma: no cover - optional dependency for convenience
    load_dotenv = None

from youtube_trends_dashboard import ui

LOGGER = logging.getLogger(__name__)


def configure_logging() -> None:
    """Set up a basic logging configuration for the application."""
    logging.basicConfig(
        level=os.getenv("YTD_LOG_LEVEL", "INFO"),
        format="%(asctime)s - %(name)s - %(levelname)s - %(message)s",
    )


def main() -> None:
    """Load environment, configure logging, and launch the Gradio app."""
    if load_dotenv:
        load_dotenv()
        LOGGER.debug("Loaded environment variables from .env")

    configure_logging()

    demo = ui.create_interface()
    server_name = os.getenv("HOST", "127.0.0.1")
    server_port = int(os.getenv("PORT", "7860"))
    demo.launch(server_name=server_name, server_port=server_port, share=os.getenv("SHARE", "false").lower() == "true")


if __name__ == "__main__":
    main()