package aal_net

import (
	"reflect"
	"bytes"
	"encoding/binary"
)

type Marshallable interface {
	Marshall(interface{}) []byte
	Unmarshall([]byte) interface{}
}

type MarshallableThings struct {}

func (MarshallableThings) Marshall(t interface{}) []byte {
	tValue := reflect.ValueOf(t)
	buf := bytes.NewBuffer([]byte{})
	
	for i := 0; i < tValue.NumField(); i += 1 {
		vField := tValue.Field(i)
		
		switch vField.Kind() {
		case reflect.Int:
			binary.Write(buf, binary.LittleEndian, int32(vField.Int()))
		case reflect.Int8:
			binary.Write(buf, binary.LittleEndian, int8(vField.Int()))
		case reflect.Int16:
			binary.Write(buf, binary.LittleEndian, int16(vField.Int()))
		case reflect.Int32:
			binary.Write(buf, binary.LittleEndian, int32(vField.Int()))
		case reflect.Int64:
			binary.Write(buf, binary.LittleEndian, int64(vField.Int()))
		case reflect.Uint:
			binary.Write(buf, binary.LittleEndian, uint32(vField.Int()))
		case reflect.Uint8:
			binary.Write(buf, binary.LittleEndian, uint8(vField.Int()))
		case reflect.Uint16:
			binary.Write(buf, binary.LittleEndian, uint16(vField.Int()))
		case reflect.Uint32:
			binary.Write(buf, binary.LittleEndian, uint32(vField.Int()))
		case reflect.Uint64:
			binary.Write(buf, binary.LittleEndian, uint64(vField.Int()))
		case reflect.Bool:
			if vField.Bool() {
				binary.Write(buf, binary.LittleEndian, uint8(1))
			} else {
				binary.Write(buf, binary.LittleEndian, uint8(0))
			}
		case reflect.String:
			s := vField.String()
			binary.Write(buf, binary.LittleEndian, uint16(len(s)))
			binary.Write(buf, binary.LittleEndian, []byte(s))
		}
	}
	
	return buf.Bytes()
}

func (MarshallableThings) Unmarshall([]byte) interface{} {
	return nil
}

func marshallNum(result []byte, num interface{}) {
	
}

func marshallString(result []byte) {
}