@startuml
title Native Indexer — Enregistrement d'un Indexer auprès du Native

participant "Indexer A" as IndexerA
participant "Indexer B" as IndexerB
participant "Native Indexer (partagé)" as Native
participant "DHT Kademlia" as DHT
participant "GossipSub (oc-indexer-registry)" as PubSub

note over IndexerA,IndexerB: Au démarrage + toutes les 60s (StartNativeRegistration)

par Indexer A s'enregistre
    IndexerA -> IndexerA: Build IndexerRegistration{PeerID_A, Addr_A}
    IndexerA -> Native: NewStream /opencloud/native/subscribe/1.0
    IndexerA -> Native: json.Encode(IndexerRegistration A)

    Native -> Native: Decode → liveIndexerEntry{PeerID_A, Addr_A, ExpiresAt=now+66s}
    Native -> DHT: PutValue("/indexer/"+PeerID_A, entry A)
    DHT --> Native: ok
    Native -> Native: liveIndexers[PeerID_A] = entry A
    Native -> Native: knownPeerIDs[PeerID_A] = {}

    Native -> PubSub: topic.Publish([]byte(PeerID_A))
    note over PubSub: Gossipé aux autres Natives\n→ ils ajoutent PeerID_A à knownPeerIDs\n→ refresh DHT au prochain tick 30s
    IndexerA -> Native: stream.Close()
else Indexer B s'enregistre
    IndexerB -> IndexerB: Build IndexerRegistration{PeerID_B, Addr_B}
    IndexerB -> Native: NewStream /opencloud/native/subscribe/1.0
    IndexerB -> Native: json.Encode(IndexerRegistration B)

    Native -> Native: Decode → liveIndexerEntry{PeerID_B, Addr_B, ExpiresAt=now+66s}
    Native -> DHT: PutValue("/indexer/"+PeerID_B, entry B)
    DHT --> Native: ok
    Native -> Native: liveIndexers[PeerID_B] = entry B
    Native -> PubSub: topic.Publish([]byte(PeerID_B))
    IndexerB -> Native: stream.Close()
end par

note over Native: liveIndexers = {PeerID_A: entryA, PeerID_B: entryB}

@enduml