package main

// Very experimental implementation of XEP-0166: Jingle
// https://xmpp.org/extensions/xep-0166.html

import (
	"encoding/xml"
	"gosrc.io/xmpp/stanza"
)

type Jingle struct {
	XMLName   xml.Name      `xml:"urn:xmpp:jingle:1 jingle"`
	Action    string        `xml:"action,attr"`
	Initiator string        `xml:"initiator,attr,omitempty"`
	Responder string        `xml:"responder,attr,omitempty"`
	Sid       string        `xml:"sid,attr"`
	Reason    *JingleReason `xml:"reason,omitempty"`
}

type JingleReason struct {
	XMLName                xml.Name `xml:"reason"`
	AlternativeSession     *string  `xml:"alternative-session,omitempty"`
	Busy                   *string  `xml:"busy,omitempty"`
	Cancelled              *string  `xml:"cancelled,omitempty"`
	Decline                *string  `xml:"decline,omitempty"`
	FailedTransport        *string  `xml:"failed-transport,omitempty"`
	GeneralError           *string  `xml:"general-error,omitempty"`
	IncompatibleParameters *string  `xml:"incompatible-parameters,omitempty"`
	SecurityError          *string  `xml:"security-error,omitempty"`
}

type JingleContent struct {
	XMLName     xml.Name                 `xml:"content"`
	Name        string                   `xml:"name,attr"`
	Creator     string                   `xml:"creator,attr"`
	Description JingleContentDescription `xml:"description"`
	Transport   JingleContentTransport   `xml:"transport"`
}

type JingleContentDescription struct {
	XMLName  xml.Name                          `xml:"urn:xmpp:jingle:apps:rtp:1 description"`
	Media    string                            `xml:"media,attr"`
	Payloads []JingleContentDescriptionPayload `xml:"payload-type"`
}

type JingleContentDescriptionPayload struct {
	XMLName   xml.Name `xml:"payload-type"`
	ID        int      `xml:"id,attr"`
	Name      string   `xml:"name,attr"`
	ClockRate int      `xml:"clockrate,attr,omitempty"`
	Channels  int      `xml:"channels,attr,omitempty"`
}

type JingleContentTransport struct {
	XMLName    xml.Name                          `xml:"urn:xmpp:jingle:transports:ice-udp:1 transport"`
	Ufrag      string                            `xml:"ufrag,attr"`
	Pwd        string                            `xml:"pwd,attr"`
	Candidates []JingleContentTransportCandidate `xml:"candidate"`
}

type JingleContentTransportCandidate struct {
	XMLName    xml.Name `xml:"candidate"`
	ID         string   `xml:"id,attr"`
	Component  int      `xml:"component,attr"`
	Foundation string   `xml:"foundation,attr"`
	Generation int      `xml:"generation,attr"`
	IP         string   `xml:"ip,attr"`
	Port       int      `xml:"port,attr"`
	Priority   int      `xml:"priority,attr"`
	Protocol   string   `xml:"protocol,attr"`
	Type       string   `xml:"type,attr"`
}

func init() {
	stanza.TypeRegistry.MapExtension(stanza.PKTIQ, xml.Name{Space: "urn:xmpp:jingle:1", Local: "jingle"}, Jingle{})
}