'''
This script is used to decrypt the encrypted data files.
'''

from cryptography.fernet import Fernet

# Open the key
with open('filekey.key', 'rb') as filekey:
    key = filekey.read()

fernet = Fernet(key)

splits = ['train', 'dev', 'test']

for split in splits:
    # Open the encrypted file
    with open(f'encrypted_{split}.json', 'rb') as file:
        encrypted = file.read()

    # Decrypting the file
    decrypted = fernet.decrypt(encrypted)

    # Write the decrypted file
    with open(f'decrypted_{split}.json', 'wb') as f:
        f.write(decrypted)