@startuml Amazon S3 Upload Workflow
'Copyright 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
'SPDX-License-Identifier: MIT (For details, see https://github.com/awslabs/aws-icons-for-plantuml/blob/master/LICENSE)

title Amazon S3 video upload workflow

' Uncomment the line below for "dark mode" styling
'!$AWS_DARK = true

!define AWSPuml https://raw.githubusercontent.com/awslabs/aws-icons-for-plantuml/v23.1/dist
!include AWSPuml/AWSCommon.puml
!include AWSPuml/AWSExperimental.puml
!include AWSPuml/ApplicationIntegration/StepFunctions.puml
!include AWSPuml/Groups/all.puml
!include AWSPuml/Compute/LambdaLambdaFunction.puml
!include AWSPuml/General/Documents.puml
!include AWSPuml/General/Multimedia.puml
!include AWSPuml/General/Tapestorage.puml
!include AWSPuml/General/User.puml
!include AWSPuml/MediaServices/ElementalMediaConvert.puml
!include AWSPuml/ArtificialIntelligence/Transcribe.puml
!include AWSPuml/Storage/SimpleStorageServiceBucket.puml

'Hide the bottom boxes / Use filled triangle arrowheads
hide footbox
skinparam style strictuml
skinparam MaxMessageSize 200

participant "$UserIMG()\nUser\n" as user
box Step Functions workflow
participant "$StepFunctionsIMG()\nworkflow\n" as sfw
participant "$LambdaLambdaFunctionIMG()\nextract audio\n" as sfw1
participant "$LambdaLambdaFunctionIMG()\ntranscribe audio\n" as sfw2
end box

participant "$ElementalMediaConvertIMG()\nAWS Elemental\nMediaConvert" as mediaconvert
participant "$TranscribeIMG()\nAmazon Transcribe\n" as transcribe
box object storage
participant "$SimpleStorageServiceBucketIMG()\nAmazon S3\nbucket" as s3
participant "$LambdaLambdaFunctionIMG()\nObjectCreated\nevent handler" as e1
end box

user -> s3++ $AWSColor(Storage): <$Callout_1> upload video 
$AWSIconRight(Multimedia, video)
user <-- s3:
s3 ->> e1++ $AWSColor(Compute): <$Callout_2> event
e1 ->> sfw--: start workflow
activate sfw $AWSColor(ApplicationIntegration)

== audio ==

sfw -> sfw1++ $AWSColor(Compute):
sfw1 ->> mediaconvert: create job
activate mediaconvert $AWSColor(MediaServices)
sfw <-- sfw1--:
mediaconvert -> s3: <$Callout_3> save audio
$AWSIconRight(Tapestorage, audio)
sfw <<- mediaconvert--:  task success

== transcript ==

sfw -> sfw2++ $AWSColor(Compute):
sfw2 ->> transcribe: start transcription job
activate transcribe $AWSColor(ArtificialIntelligence)
sfw <-- sfw2--:
transcribe -> s3: <$Callout_4> save transcript
$AWSIconRight(Documents, transcript)
deactivate s3
sfw <<- transcribe--: task success
deactivate sfw

@enduml