#pragma once

#include "endian.hpp"
#include "types.hpp"
#include "../utils.hpp"
#include <vector>
#include <cstring>

namespace sibs
{
    /**
     * Endian independent serializer
     */
    class SafeSerializer
    {
        DISABLE_COPY(SafeSerializer);
    public:
        SafeSerializer(){}
        SafeSerializer(SafeSerializer &&other)
        {
            buffer = std::move(other.buffer);
        }
        
        template <typename T>
        void add(const T &data)
        {
            usize offset = buffer.size();
            buffer.resize(buffer.size() + sizeof(T));
            #if BYTE_ORDER == BIG_ENDIAN
            switch(sizeof(T))
            {
                case 1:
                    *(T*)&buffer[offset] = data;
                    break;
                case 2:
                    *(u16*)&buffer[offset] = byteswap(*(u16*)&data);
                    break;
                case 4:
                    *(u32*)&buffer[offset] = byteswap(*(u32*)&data);
                    break;
                case 8:
                    *(u64*)&buffer[offset] = byteswap(*(u64*)&data);
                    break;
                default:
                {
                    for(int i = 0; i < sizeof(T); ++i)
                    {
                        buffer[offset + i] = ((char*)&data)[sizeof(T) - 1 - i];
                    }
                    break;
                }
            }
            #else
            *(T*)&buffer[offset] = data;
            #endif
        }
        
        void add(const u8 *data, usize size)
        {
            if(size > 0)
            {
                usize offset = buffer.size();
                buffer.resize(buffer.size() + size);
                memcpy(&buffer[offset], data, size);
            }
        }

        void add(const char *data, usize size)
        {
            add((const u8*)data, size);
        }
        
        std::vector<u8>& getBuffer()
        {
            return buffer;
        }

        usize getSize() const
        {
            return buffer.size();
        }
    private:
        std::vector<u8> buffer;
    };
}