package stanza

import (
	"encoding/xml"
)

// Capabilities
// Reference: https://xmpp.org/extensions/xep-0115.html#stream
//    "A server MAY include its entity capabilities in a stream feature element so that connecting clients
//     and peer servers do not need to send service discovery requests each time they connect."
// This is not a stream feature but a way to let client cache server disco info.

// Moved from stream_features.go and made it a presence extension as per spec

type Caps struct {
	PresExtension
	XMLName xml.Name `xml:"http://jabber.org/protocol/caps c"`
	Hash    string   `xml:"hash,attr"`
	Node    string   `xml:"node,attr"`
	Ver     string   `xml:"ver,attr"`
	Ext     string   `xml:"ext,attr,omitempty"`
}

func init() {
	TypeRegistry.MapExtension(PKTPresence, xml.Name{Space: "http://jabber.org/protocol/caps", Local: "c"}, Caps{})
}