/***
    Copyright (C) 2021 J Reece Wilson (a/k/a "Reece"). All rights reserved.

    File: Base64.cpp
    Date: 2021-6-12
    Author: Reece
***/
#include <Source/RuntimeInternal.hpp>
#include "Base64.hpp"
#include <tomcrypt.h>

namespace Aurora::Parse
{
    AUKN_SYM bool Base64Decode(const AuString &in, AuByteBuffer &decoded, bool url)
    {
        unsigned long length = in.size();
        try
        {
            decoded.resize(in.size());
            
            int status;
            if (url)
            {
                status = base64url_decode(in.data(), in.size(), reinterpret_cast<unsigned char *>(&decoded[0]), &length);
            }
            else
            {
                status = base64_decode(in.data(), in.size(), reinterpret_cast<unsigned char *>(&decoded[0]), &length);
            }

            decoded.resize(length);
            return status == CRYPT_OK;
        }
        catch (...)
        {
            AuLogWarn("Decoding error: {}", in);
            Debug::PrintError();
            return false;
        }
    }

    AUKN_SYM bool Base64Encode(const Memory::MemoryViewRead &input, AuString &encoded, bool url)
    {
        unsigned long outLength = input.length + (input.length / 3.0) + 16;
        try
        {
            encoded.resize(outLength);

            int status;
            if (url)
            {
                status = base64url_encode(reinterpret_cast<const unsigned char*>(input.ptr), input.length, &encoded[0], &outLength);
            }
            else
            {
                status = base64_encode(reinterpret_cast<const unsigned char*>(input.ptr), input.length, &encoded[0], &outLength);
            }

            encoded.resize(outLength);
            return status == CRYPT_OK;
        }
        catch (...)
        {
            AuLogWarn("Encoding error");
            Debug::PrintError();
            return false;
        }
    }
}