import os
import logging

from flask import Flask

logging.basicConfig(
    encoding="utf-8",
    format="%(asctime)s — %(filename)s:%(lineno)s — %(levelname)s: %(message)s")


def __log_gunicorn__(app: Flask) -> Flask:
    """Set up logging for the WSGI environment with GUnicorn"""
    logger = logging.getLogger("gunicorn.error")
    app.logger.handlers = logger.handlers
    app.logger.setLevel(logger.level)
    return app


def __log_dev__(app: Flask) -> Flask:
    """Set up logging for the development environment."""
    root_logger = logging.getLogger()
    root_logger.addHandler(stderr_handler)
    root_logger.setLevel(
        app.config.get("LOG_LEVEL", app.config.get("LOGLEVEL", "WARNING")))

    return app


def setup_logging(app: Flask) -> Flask:
    """Set up logging for the application."""
    software, *_version_and_comments = os.environ.get(
        "SERVER_SOFTWARE", "").split('/')
    return __log_gunicorn__(app) if bool(software) else __log_dev__(app)


def setup_modules_logging(app_logger: logging.Logger, modules: tuple[str, ...]):
    """Setup module-level loggers to the same log-level as the application."""
    loglevel = logging.getLevelName(app_logger.getEffectiveLevel())
    for module in modules:
        _logger = logging.getLogger(module)
        _logger.setLevel(loglevel)