import logging

logger = logging.getLogger(__name__)


def get_sources(path, delimiter='\n'):
    logger.info("Attempting to load sources from file: '%s' with delimiter: %r", path, delimiter)
    sources = None
    try:
        with open(path, 'r', encoding='utf-8') as source_file:
            logger.debug("Successfully opened file '%s' for reading", path)
            content = source_file.read()
            logger.debug("Read %d bytes/characters from '%s'", len(content), path)
            sources = content.split(delimiter)
            logger.info("Successfully read and split %d source entries from '%s'", len(sources), path)
            for idx, src in enumerate(sources):
                if not src.strip():
                    logger.warning("Source at index %d is empty or whitespace-only: %r", idx, src)
                else:
                    logger.debug("Source [%d]: %s", idx, src)
    except FileNotFoundError:
        logger.error("Source file not found at path: '%s'", path, exc_info=True)
        raise
    except PermissionError:
        logger.error("Permission denied when accessing source file: '%s'", path, exc_info=True)
        raise
    except Exception as e:
        logger.error("Failed to read sources from '%s': %s", path, e, exc_info=True)
        raise

    return sources