session.puml

@startuml
actor Host #teal
participant Server
actor Guest #yellow
collections Spectators

group Setup
Host -> Server : createPreset(preset)
Host <-- Server : presetId
Host -> Server : createDraft(preset)
Host <-- Server : draftId

Host -> Server : join(draftId)
Host <-- Server : Draft
Host -> Server : set_role(HOST, name)
Server -> Spectators : player_joined(host, name)
Host <- Server : player_joined(host)

Guest -> Server : join(draftId)
Guest <-- Server : Draft
Guest -> Server : set_role(GUEST, name)
Host <- Server : player_joined(guest, name)
Server -> Spectators : player_joined(guest, name)
Guest <- Server : player_joined(guest, name)

loop 0..n
Spectators -> Server : join(draftId)
Spectators <-- Server : Draft
end
end

group Start
Guest -> Server: ready()
Host <- Server: ready(GUEST)
Server -> Spectators: ready(GUEST)
Host -> Server: ready()
Guest <- Server: ready(HOST)
Server -> Spectators: ready(HOST)
end

loop 0..n
alt Host action
Host -> Server: act(action, civ)
Host <- Server: act(action, civ)
Guest <- Server: act(action, civ)
Spectators <- Server: act(action, civ)

else Guest action
Guest -> Server: act(action, civ)
Guest <- Server: act(action, civ)
Host <- Server: act(action, civ)
Spectators <- Server: act(action, civ)

else Server action
Host <- Server: act(action, civ, additionalData)
Guest <- Server: act(action, civ, additionalData)
Spectators <- Server: act(action, civ, additionalData)
end
end

group End
Host <- Server: end()
Guest <- Server: end()
Spectators <- Server: end()
end

@enduml