/*
 *  Copyright (c) 2021 Neil Alexander
 *
 *  This Source Code Form is subject to the terms of the Mozilla Public
 *  License, v. 2.0. If a copy of the MPL was not distributed with this
 *  file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */

package imapserver

import (
	"github.com/emersion/go-imap"
	"github.com/emersion/go-imap/backend"
	"github.com/neilalexander/yggmail/internal/notify"
)

// github.com/emersion/go-imap/backend/updates.go
func (b *Backend) listenUpdates() {
	allEvents := b.Notify.Subscribe(notify.AllUsers)

	go func() {
		for event := range allEvents {
			if ev, ok := event.(*notify.EmailEvent); ok {
				// b.updates <- &backend.MailboxUpdate{
				// 	Update: backend.NewUpdate(ev.GetAccountPK(), ev.Mailbox()),
				// 	MailboxStatus: &imap.MailboxStatus{
				// 		Name:     ev.MailBox,
				// 		Messages: uint32(ev.Count),
				// 		UidNext:  uint32(ev.MessageId),
				// 	},
				// }
				// b.updates <- &backend.MessageUpdate{
				// 	Update:  backend.NewUpdate(ev.AccountPK, ev.MailBox),
				// 	Message: imap.NewMessage(uint32(ev.Count), []imap.FetchItem{imap.FetchAll}),
				// }
				b.updates <- &backend.MailboxUpdate{
					Update: backend.NewUpdate(ev.GetAccountPK(), ev.MailBox),
					MailboxStatus: &imap.MailboxStatus{
						Name:     ev.MailBox,
						Messages: uint32(ev.Count),
						UidNext:  uint32(ev.MessageId),
						Items:    map[imap.StatusItem]interface{}{imap.StatusMessages: "", imap.StatusUidNext: ev.Count},
					},
				}
				b.Log.Println("IMAP Notify: ", ev.Username())
			}
		}
	}()
}