@startuml
skinparam BackgroundColor F0F0F0

participant "Service Cellular" as srvclr
participant "Application Manager" as appmgr
participant "ApplicaionDesktop" as appdsktp
participant "PinLockWindow" as pinwin
actor User

    == PUK required flow ==

[o->srvclr : need PUK1
activate srvclr
srvclr -> appmgr : ActionMessage{RequestPuk1, {SIM1, attempts}} via sys::bus message
    activate appmgr
deactivate srvclr
    appmgr -> appmgr : translate request to action
    appmgr -> appdsktp : forward action
        activate appdsktp
    deactivate appmgr
        appdsktp -> appdsktp : handle(RequestPukAction)
note over of srvclr
    Cellular side data:
    State: PUK required
    SIM: SIM1
    phone: +48500500500
    attempts: 8
end note
/ note left of pinwin
    Desktop side data:
    State: PUK required
    SIM: SIM1
    attempts: 8
end note
/ note left of appdsktp
    Desktop side state:
    Screen Unlocked
end note

        appdsktp -> pinwin : switchWindow(SIM1, reqPUK, attempts)
            activate pinwin
        deactivate appdsktp
            pinwin -> pinwin : rebuild
            pinwin -> pinwin : setVisiblePukRequired
            pinwin <- User : Enters PUK (good)
            pinwin <- User : Confirm
            loop valid new PIN provided
                pinwin -> pinwin : setVisibleNewPinRequired
                pinwin <- User : Enters PIN
                pinwin -> pinwin : setVisibleConfirmPIN
                pinwin <- User : Enters PIN
            end
        appdsktp <- pinwin : handlePasscode(pukValue, newPin)
        activate appdsktp
            deactivate pinwin

srvclr <- appdsktp : PukData(pukValue, newPin) via sys::bus message
activate srvclr
        deactivate appdsktp
srvclr -> srvclr : verification success
deactivate srvclr

[o->srvclr : SIM unlocked
activate srvclr
srvclr -> appmgr : ActionMessage{SimUnlocked, {SIM1}} via sys::bus message
    activate appmgr
deactivate srvclr
    appmgr -> appmgr : translate request to action
    appmgr -> appdsktp : forward action
        activate appdsktp
    deactivate appmgr
        appdsktp -> appdsktp : handle(SimUnlockedAction)
        appdsktp -> pinwin !! : delete
        deactivate appdsktp
@enduml