package controller

import (
	"encoding/json"

	"github.com/r3labs/sse/v2"
)

const ServerSideEvent = "sse"

type NotifierType uint

const (
	Create NotifierType = iota
	Delete
	DeleteAll
)

type StatusMessage struct {
	Type    NotifierType `json:"type"`
	Payload []Order      `json:"payload"`
}

func (c *Controller) setupEventChannel() {
	c.SSE.AutoReplay = false
	c.SSE.CreateStream(ServerSideEvent)
}

func (c *Controller) publishMessage(msg StatusMessage) {
	json, _ := json.Marshal(msg)
	c.SSE.Publish(ServerSideEvent, &sse.Event{Data: json})
}