#pragma once

#include <charconv>

namespace saw {
namespace impl {
template<typename Schema, typename RootSchema, typename FromEncode>
class json_encode {
	static_assert(always_false<Schema, RootSchema, FromEncode>, "This schema type is not being handle by the json encoding.");
};

template<typename T, size_t N, typename RootSchema, typename FromEncode>
struct json_encode<saw::schema::Primitive<T,N>, RootSchema, FromEncode>  {
	static error_or<void> encode(const data<saw::schema::Primitive<T,N>, FromEncode>& from, data<saw::schema::Primitive<T,N>, encode::Json>& to) {
		auto val = from.get();
		std::array<uint8_t, 256> data;
		auto tc_result = std::to_chars(reinterpret_cast<char*>(data.data()), reinterpret_cast<char*>(data.data())+data.size(), val);

		if(tc_result.ec != std::errc{}){
			return make_error<err::critical>();
		}

		size_t bytes_written = 0;
		for(char* ptr = reinterpret_cast<char*>(data.data()); ptr != tc_result.ptr; ++ptr){
			++bytes_written;
		}

		auto& buff = to.get_buffer();
		error err = buff.write_require_length(bytes_written);
		if(!err.template is_type<err::no_error>()){
			return std::move(err);
		}

		for(char* ptr = reinterpret_cast<char*>(data.data()); ptr != tc_result.ptr; ++ptr){
			uint8_t* un_ptr = reinterpret_cast<uint8_t*>(ptr);
			buff.push(un_ptr[0]);
		}

		return void_t{};
	}
};
}
}