@startuml serverConfigProcessingOnConnection
start

:connect button clicked;
:createVpnConfiguration();
:createVpnConfigurationForProto();

if (serverConfig.contains(nativeConfigParametrsStorage)) then (yes)
    :update last_config with data from nativeConfigParametrsStorage;
else if (serverConfig.contains(last_config)) then (yes)
    :do nothing special;
else if (serverConfig.contains(admin credentials)) then (yes)
    :generate new native config;
    :save config in last_config;
else 
    :return empty config and error;
    stop
endif
:continue connect process;
stop
@enduml