#include "base64.hh"
#include "iostream"
using namespace criptobase;
using namespace std;

list<char>
criptobase::encodeBase64(list<char> str)
{
  int paddingCount = 0;
  list<char> encoded;

  while (str.size() % 3) {
    str.push_back('\0');
    paddingCount++;
  }

  // aqui rola uma putaria entre os bits
  for (auto it = str.begin(); it != str.end(); ++it) {
    char a = *it, b = (++it, *it), c = (++it, *it);

    encoded.push_back(table[(a & 0b11111100) >> 2]);
    encoded.push_back(table[(a & 0b00000011) << 4 | (b & 0b11110000) >> 4]);
    encoded.push_back(table[(b & 0b00001111) << 2 | (c & 0b11000000) >> 6]);
    encoded.push_back(table[(c & 0b00111111)]);
  }

  // sapoha ajuda a decriptar
  while (paddingCount--)
    encoded.push_back('=');

  return encoded;
}

list<char>
decodeBase64(list<char> str)
{
  // TODO
  return list<char>();
}