participant HW
participant "mHero initiator"
participant "mHero datacollector"
participant "OpenHIE"

note over "mHero initiator", "mHero datacollector": mHero "POS actor"

loop periodic refresh of mHero POS content
  mHero datacollector -> OpenHIE: request HW contact info \nITI-73
  OpenHIE -> mHero datacollector: ITI-73 response
  mHero datacollector -> mHero datacollector: import HW content into local database
end loop

alt if mHero acts as a HW directory
  loop periodic refresh of HWR cache
    OpenHIE -> mHero datacollector: refresh ILR cache \nITI-74
    mHero datacollector -> OpenHIE: ITI-74 response
  end loop
end alt

loop for each questionnaire
  mHero initiator -> mHero initiator: develop target HW cohort
  alt if local database needs refresh
    note over "mHero datacollector", OpenHIE: refresh of mHero POS content
  end alt  
  mHero initiator -> mHero datacollector: request list of HW cohort members \nFHIR
  mHero datacollector -> mHero initiator: FHIR response
  mHero initiator -> mHero datacollector: request list of data collection workflows \nFHIR
  mHero datacollector -> mHero initiator: FHIR resposne
  mHero initiator -> mHero initiator: develop questionnaire 
  mHero initiator -> mHero datacollector: execute questionnaire against HW cohort \nproprietary (e.g. RapidPro, CommCare, ODK, etc.)
  mHero datacollector -> mHero initiator: ACK

  loop for each HW
    loop for each question in questionnaire
      mHero datacollector -> HW: question
      HW -> mHero datacollector: response
    end loop questionnaire
  end loop HW
  
  mHero initiator -> mHero datacollector: collect responses \nFHIR
  mHero datacollector -> mHero initiator: return responses \nFHIR
  
  mHero initiator -> mHero initiator: analyse responses \ndevelop actions based on analyses
end loop questionnaire