package messages

import (
	"forge.redroom.link/yves/meowlib"
	"forge.redroom.link/yves/meowlib/client"
)

// Step2InviteeCreatesInitiatorAndEncryptedContactCard creates the invitee's peer entry
// from an InvitationInitPayload, then builds the invitee's ContactCard and returns it
// as a PackedUserMessage asymmetrically encrypted with the initiator's temporary public
// key. The packed message is ready to be transmitted to the initiator via any transport
// (file, QR, server…); Step3InitiatorFinalizesInviteeAndCreatesContactCard on the
// initiator side will decrypt and process it.
func Step2InviteeCreatesInitiatorAndEncryptedContactCard(payload *meowlib.InvitationInitPayload, nickname string, myNickname string, serverUids []string) (*meowlib.PackedUserMessage, *client.Peer, error) {
	mynick := myNickname
	if mynick == "" {
		mynick = client.GetConfig().GetIdentity().Nickname
	}
	peer, err := client.GetConfig().GetIdentity().InvitationStep2(mynick, nickname, serverUids, payload)
	if err != nil {
		return nil, nil, err
	}
	usermsg, err := peer.BuildInvitationStep2Message(peer.GetMyContact())
	if err != nil {
		return nil, nil, err
	}
	packed, err := peer.ProcessOutboundUserMessage(usermsg)
	if err != nil {
		return nil, nil, err
	}
	client.GetConfig().GetIdentity().Save()
	return packed, peer, nil
}