module NostrManager
  class DiscoverUserRelays < NostrManagerService
    MAX_EVENTS = 2

    def initialize(pubkey:)
      @pubkey = pubkey
      @relays = Setting.nostr_discovery_relays
    end

    def call
      received_events = 0
      nip65_events = []
      user_relays = []
      filter = Nostr::Filter.new(
        authors: [@pubkey],
        kinds: [10002],
        limit: 1,
      )

      @relays.each do |url|
        event = NostrManager::FetchLatestEvent.call(filter: filter, relay_url: url)

        if event.present?
          nip65_events << event if nip65_events.none? { |e| e["id"] == event["id"] }
          received_events += 1
        end

        if received_events >= MAX_EVENTS
          puts "Found #{MAX_EVENTS} events, ending the search"
          break
        end
      end

      nip65_events.min_by { |e| e["created_at"] }
    end
  end
end