#!~/.pyenv/versions/3.11.6/bin/python
#
# Copyright (c) 2024 Cutieguwu | Olivia Brooks
#
# -*- coding:utf-8 -*-
# @Title: OliviaParser
# @Author: Cutieguwu | Olivia Brooks
# @Collaborator: JellieJayde | Jayde Paquette
# @Email: owen.brooks77@gmail.com | obroo2@ocdsb.ca
# @Description: Parses an encrypted and unencrypted file to discern a decryption key.
#
# @Script: CutieDecrypt.py
# @Date Created: 22 Apr, 2024
# @Last Modified: 22 Apr, 2024
# @Last Modified by: Cutieguwu | Olivia Brooks
# ----------------------------------------------------------

with open("/home/beartech-server/CutieDecryptor/dataReference.txt", "r") as f:
    dataReference = f.read()

with open("/home/beartech-server/CutieDecryptor/dataEncoded19.ENC", "r") as f:
    dataEncoded = f.read()

def parse(data):
    characters = {}

    for character in data:
        character = character.upper()
        if character.isalpha():
            try:
                characters[character] = characters[character] + 1                       # Increment the character frequency.
            except KeyError:
                characters[character] = 1                                               # Make character position.

    frequencies = []

    for character, frequency in characters.items():
            if frequency in frequencies:
                pass
            else:
                frequencies.append(frequency)

    print(characters)

    keyInverse = ""
    charactersWritten = 0
    index = 0

    while charactersWritten < len(characters):
        index = index + 1
        for character, relativeIndex in characters.items():
            if relativeIndex == index:
                keyInverse = keyInverse + character
                charactersWritten = charactersWritten + 1

    # Need to invert list.

    key = ""

    for index in range(0, len(keyInverse)):
        indexInvert = len(keyInverse) - 1 - index
        print(index)
        key = key + keyInverse[indexInvert]

    return key

keyReference = parse(dataReference)
keyEncoded = parse(dataEncoded)

print(keyReference)
print(keyEncoded)