"""Application entrypoint."""
import os

from werkzeug.exceptions import HTTPException

from app.app import create_app
from app.exceptions.api_exception import APIException
from app.exceptions.common_error import ServerError

app = create_app(os.getenv("FLASK_ENV", "development"))


@app.errorhandler(Exception)
def framework_error(e):
    """Central error handler: always return a Flask Response instance.

    Avoid returning exception objects directly (Flask expects a response).
    """
    if isinstance(e, APIException):
        return e.get_response()

    if isinstance(e, HTTPException):
        code = e.code
        msg = e.description
        error_code = 1007
        return APIException(msg, code, error_code).get_response()

    # Other exceptions: convert to ServerError in production, re-raise in debug
    if not app.config.get("DEBUG"):
        return ServerError().get_response()
    else:
        raise e


if __name__ == "__main__":
    app.run(host="0.0.0.0", port=5000, debug=app.config.get("DEBUG", False), use_reloader=False)