import os
from pathlib import Path


def ift_backup(base_dir=None):
    if base_dir is None:
        base_dir = 'E:\\IFT'

    source_path = Path(base_dir) / 'prod'
    target_path = base_dir + '/archive'

    for source_file in source_path.glob('*'):
        # print(source_file)
        file_temp = source_file.name
        if file_temp.count('_') == 2:
            prefix, filetype, timestamp = file_temp.split('_')
            year = timestamp[:4]
            month = timestamp[4:6]
            target = Path(f"{target_path}/{year}/{filetype}/{year}-{month}/{source_file.name}").absolute()
            os.makedirs(target.parent, exist_ok=True)
            if target.exists():
                target.unlink()
            print(target)
            source_file.rename(target)


if __name__ == '__main__':
    ift_backup()