// This is the source code of AyuGram for Desktop.
//
// We do not and cannot prevent the use of our code,
// but be respectful and credit the original author.
//
// Copyright @Radolyn, 2023

#include "ayu_pipe_wrapper.h"
#include <sstream>
#include "ayu/libs/bit_converter.hpp"

template <class T>
void ayu_pipe_wrapper::send(T obj)
{
	//    auto s = json(obj).dump();
	//    auto length = s.length();
	//    char lengthBuff[4];
	//    bit_converter::i32_to_bytes(length, false, lengthBuff);
	//
	//    os.write(lengthBuff, 4);
	//    os.write(s.c_str(), length);
	//    os.flush();
	throw std::logic_error("not implemented");
}

std::optional<json> ayu_pipe_wrapper::receive()
{
	if (!is.is_open())
	{
		return std::nullopt;
	}

	char lengthBuff[4];
	is.read(lengthBuff, 4);

	auto length = bit_converter::bytes_to_i32(lengthBuff, false);

	if (length <= 0)
	{
		return std::nullopt;
	}

	auto sb = std::stringbuf();
	char buff[4096];

	while (length > 0)
	{
		auto readSize = std::min(length, static_cast<int>(sizeof(buff)));
		is.read(buff, readSize);
		sb.sputn(buff, readSize);
		length -= readSize;
	}

	auto p = json::parse(sb.str());
	return p;
}