import os
from variables import *

def check_files_exist() -> bool:
    missing_files = []

    def check_file_missing(file_name):
        file_name += '.zip'
        if not os.path.isfile(file_name):
            missing_files.append(file_name)

    for ii in (single_files + separated_files):
        if type(ii) == list:
            for jj in range(1, ii[1]+1):
                check_file_missing(f'{ii[0]}{jj}')
        else:
            check_file_missing(ii)
    
    if len(missing_files) != 0:
        for ii in missing_files:
            print(f'Error: missing {ii}')
        return False
    return True

if __name__ == '__main__':
    print('Verifying all files exist...', end='')
    assert check_files_exist()
    print('success')