package eventer

import (
	"bytes"
	"context"
	"encoding/json"

	cml04eventer "git.espin.casa/albert/cml04-eventer"
	"github.com/nats-io/nats.go"
)

type Eventer interface {
	BarCode(ctx context.Context, barcode string) error
}

type eventer struct {
	nc *nats.Conn
}

func (e *eventer) BarCode(ctx context.Context, barcode string) error {
	// create event message
	evt := cml04eventer.NewEvent("handset", "barcode.new", nil, []byte(barcode))

	buf := bytes.Buffer{}

	if err := json.NewEncoder(&buf).Encode(evt); err != nil {
		return err
	}

	return e.nc.Publish("barcode.new", buf.Bytes())

}

func New() (Eventer, error) {
	return &eventer{
		nc: &nats.Conn{},
	}
}