@startuml
skinparam BackgroundColor F0F0F0

[*] --> InitialCheck
InitialCheck --> LevelCriticalNotCharging : initialLevelCheck [isCriticalNotCharging && !isShutdown]
InitialCheck --> Shutdown : initialLevelCheck [isCriticalNotCharging && isShutdown]
InitialCheck --> LevelCriticalCharging : initialLevelCheck [isCriticalCharging]
InitialCheck --> LevelNormal : initialLevelCheck [isNormal]
LevelNormal --> LevelCriticalNotCharging : criticalLevelCheck [isCriticalNotCharging && !isShutdown] /\n (setCriticalNotCharging, sendStateChange)
LevelNormal --> Shutdown : criticalLevelCheck [isCriticalNotCharging && isShutdown] /\n (setShutdown, sendStateChange)
LevelNormal --> LevelCriticalCharging : criticalLevelCheck [isCriticalCharging] /\n (setCriticalCharging, sendStateChange)
LevelCriticalNotCharging --> LevelNormal : criticalLevelCheck [isNormal] /\n (setNormal, sendStateChange)
LevelCriticalNotCharging --> LevelCriticalCharging : criticalLevelCheck [isCriticalCharging] /\n (setCriticalCharging, sendStateChange)
LevelCriticalNotCharging --> Shutdown : criticalLevelCheck [isShutdown] / (sendShutdown, sendStateChange)
LevelCriticalCharging --> LevelCriticalNotCharging : criticalLevelCheck [isCriticalNotCharging && !isShutdown] /\n (setCriticalNotCharging, sendStateChange)
LevelCriticalCharging --> LevelNormal : criticalLevelCheck [isNormal] /\n (setNormal, sendStateChange)
LevelCriticalCharging --> Shutdown : criticalLevelCheck [isCriticalNotCharging && isShutdown] / \n(setShutdown, sendStateChange)

@enduml