#include "message.h"

#include <stdexcept>
#include <cstring>

#include <iostream>

std::pair<uint8_t*, std::size_t> Message::serialize() {
	//std::size_t s = payload.size();
	
	//uint8_t* buf = new uint8_t[4 + s];
	
	//*(uint16_t*)buf = (uint16_t)s;
	
	//memcpy(buf + 4, payload.c_str(), payload.size());
	
	//return std::pair<uint8_t*, std::size_t>(buf, 4 + s);
	return std::pair<uint8_t*, std::size_t>(0, 0);
}

std::size_t Message::deserialize(uint8_t* data, std::size_t bytes) {
	if(deserialize_size == 0 && bytes == 0) {
		return 4;
	}
	
	if(deserialize_size == 0 && bytes == 4) {
		uint16_t* header = (uint16_t*)data;
		
		deserialize_size = (std::size_t)header[0];
		payload_type = (Payload::Type)header[1];
		
		return deserialize_size;
	}
	
	if(!deserialize_size) {
		throw std::runtime_error("Deserialization header error.");
	}
	
	if(bytes != deserialize_size) {
		throw std::runtime_error("Deserialization attempted with incomplete data.");
	}
	
	//payload = std::string((char*)data, bytes);
	
	return 0;
}

Message::Message() : deserialize_size(0) {
	
}

Message::p Message::create() {
	return Message::p(new Message);
}

Payload::Type Message::type() {
	return payload_type;
}