@startuml login

(*) if "Started from QR code scanner?" then
-[#red]->[Yes] "Validate server details"
else
    ->[No] if "Has account?" then
        -->[Yes] (*)
    else
        -->[No] "Login page"
    endif
endif

if "Selected login method?" then
    -[#blue]->[Login flow] "Validate server details"
    -[#blue]-> "Open login flow page"
    -[#blue]-> "Initiate login flow"
    -[#blue]-> "Open web browser"
    -[#blue]-> "Wait for login flow result"
    -[#blue]-> "Validate login details"
else
    -[#red]->[QR code] "Open QR scan page"
    -[#red]-> "Scan QR code"
    -[#red]-> "Validate server details"
    -[#red]-> "Validate login details"
endif

-->[Login success] (*)


legend left
    |Color  | Login method |
    |<#red> | QR Code      |
    |<#blue>| Login flow   |
endlegend

@enduml