@startuml
'https://plantuml.com/sequence-diagram
actor User as usr
participant "Pb L" as pbL
participant "Pb R" as pbR
participant "LED L" as ledL
participant "LED R" as ledR


== Single click ==

group Single click left
usr -\ pbL ++: pressButton
usr -\ pbL : releaseButton
pbL -> ledL --++ : blink
usr -\ pbL ++: pressButton
usr -\ pbL : releaseButton
pbL -> ledL -- : endBlink
deactivate ledL
end

group Single click right
usr -\ pbR ++: pressButton
usr -\ pbR : releaseButton
pbR -> ledR --++ : blink
usr -\ pbR ++: pressButton
usr -\ pbR : releaseButton
pbR -> ledR -- : endBlink
deactivate ledR
end

== Double click ==

group Double click left
usr -\ pbL ++: pressButton
usr -\ pbL : releaseButton
usr -\ pbL : pressButton
pbL -> ledL --++ : blink
note right ledL: blink 3x
ledL ->x ledL -- : finished
end

group Double click right
usr -\ pbR ++: pressButton
usr -\ pbR : releaseButton
usr -\ pbR : pressButton
pbR -> ledR --++ : blink
note right ledR: blink 3x
ledR ->x ledR -- : finished
end

== Long click ==

group Long click left
usr -\ pbL ++: pressButton
pbL -> ledR--: blink
activate ledL
activate ledR
usr -\ pbL ++: pressButton
pbL -> ledR -- : endBlink
deactivate ledL
deactivate ledR
end

group Long click right
usr -\ pbR ++: pressButton
pbR -> ledR--: blink
activate ledL
activate ledR
usr -\ pbL ++: pressButton
pbL -> ledR -- : endBlink
deactivate ledL
deactivate ledR
end

@enduml