package ssob

import (
	"fmt"
	"io"
	"sync"

	"gitea.olznet.de/OlzNet/slog"
)

type Encoder struct {
	mutex sync.Mutex
	w     io.Writer
}

func NewEncoder(w io.Writer) *Encoder {
	enc := new(Encoder)
	enc.w = w
	return enc
}

func (enc *Encoder) Encode(e interface{}) (err error) {
	_, v, err := parseInterface(e)
	if err != nil {
		return err
	}
	if err = RegisterType(v.Interface()); err != nil {
		return err
	}
	for _, t := range cacheTypes.ntypes {
		slog.LOG_DEBUGFLN("t: %v", t)
	}

	var b []byte
	if b, err = marshalVal(v.Interface()); err != nil {
		return fmt.Errorf("ssob: Cannot encode value: %w", err)
	}

	enc.mutex.Lock()
	defer enc.mutex.Unlock()

	if _, err = enc.w.Write(b); err != nil {
		return fmt.Errorf("ssob: Cannot encode value: %w", err)
	}

	return nil
}