import os
import shutil
import re
import logging

logger = logging.getLogger(__name__)
logger.setLevel(logging.INFO)

def group_files_by_prefix(directory, downloading_files, patterns):
    if not os.path.isdir(directory):
        logger.error(f"The directory {directory} does not exist.")
        return

    files = [f for f in os.listdir(directory) if os.path.isfile(os.path.join(directory, f))]
    
    for file in files:
        skip = False
        for downloading_file in downloading_files:
            if file.startswith(downloading_file):
                logger.info(f"File {file} is downloading. Skipping...")
                skip = True
                continue

        if skip:
            continue

        for pattern_str in patterns:
            pattern = re.compile(pattern_str)
            match = pattern.match(file)
            if match:
                prefix_dir = os.path.join(directory, match.group(1))
                
                if not os.path.exists(prefix_dir):
                    os.makedirs(prefix_dir)
                
                shutil.move(os.path.join(directory, file), os.path.join(prefix_dir, file))