#pragma once

#include <forstio/buffer.hpp>
#include "data.hpp"

namespace saw {
namespace transport {
template<uint64_t Len = 8u>
struct FixedLength {};

template<uint64_t Len = 8u>
struct VarLength {};

struct NewLine {};
struct CarriageReturnNewLine {};
}

template<typename Schema, uint64_t Len>
struct codec<Schema, transport::FixedLength<Len>> {
private:
public:
	error_or<buffer_view> view_slice(buffer& buff) const {
		(void) buff;

		typename native_data_type<schema::Primitive<schema::UnsignedInteger, Len>>::type val{};
		buffer_view view{buff};

		auto eov = stream_value<schema::Primitive<schema::UnsignedInteger, Len>>::decode(val, view);
		if(eov.is_error()){
			return std::move(eov.get_error());
		}

		if(view.read_composite_length() < val){
			return make_error<err::buffer_exhausted>();
		}

		return buffer_view{view, val, view.write_composite_length()};
	}

	error_or<array_buffer> chain_slice(chain_array_buffer& buff) const {
		(void) buff;



		return make_error<err::not_implemented>();
	}
};
}