# -*- coding: utf-8 -*-
"""
Created on Mon Aug  3 21:32:07 2020

@author: Anon
"""


import os, hashlib, base64, time


def PackedBase64MD5(fname):

    hash_md5 = hashlib.md5()
    with open(fname, "rb") as f:
        for chunk in iter(lambda: f.read(4096), b""):
            hash_md5.update(chunk)
    Base64Encoded = base64.b64encode(hash_md5.digest())
    UTFencodedStr = str(Base64Encoded , "utf-8")
    return  UTFencodedStr

def CreatePB64MD5Index(folder):

    t0 = time.time()
    print("---------------------------------------")
    print("Creation Hash index for folder: " + folder)
    for filename in os.listdir(folder):
        if not len(os.listdir(folder)) == 0:
            with open("C:\Tmp\HashIndex.txt", 'a', encoding='utf-8') as outfile:
                 full_path = os.path.join(folder, filename)
                 print(PackedBase64MD5(full_path), file=outfile)
        else:
            print("No files in dir")
    t1 = time.time()
    print("Total time: ", t1 - t0, 'seconds')
    print("---------------------------------------")


def IsInIndex(Hash):

    IndexPath = "C:\Tmp\HashIndex.txt"
    if os.path.isfile(IndexPath):
        with open(IndexPath) as HashInFile:
            strings = HashInFile.read()
            if(Hash in strings):
                print("Hash found")
                return True
            else:
                print("Hash not found")
                return False
    else:
        print("No index file!")
        return False

#Testing functions xD
#print(IsInIndex("6aHReQ+gYLIEsoBTaLAC8g==#@#"))
#myPath = r"C:/Tmp/ChanArchiveOutput/"
#CreatePB64MD5Index("C:\Tmp\ChanBackup 20200803")