@startuml
!include design.plantuml.txt
title 1.7b EPR_PatientOpenEPR

actor admin as "Policy administrator"

box "Community Components" #FFEFDE
	participant cc_upi_client as "UPI Client"
	participant cc_mpi_source as "Patient Identity Source |\nPatient Identifier Cross-reference Consumer"
	participant cc_mpi_x_ref_manager as "Patient Identifier \nCross-reference \nManager"
	participant cc_doc_registry as "Document Registry" 
end box

box "Government Services" #E2F3F8
	participant gs_upi as "Unique \nPerson \nIdentification \nService"
end box

admin -[#black]> cc_upi_client: Get existing EPR-SPID from UPI \nusing Social Security Number (AHVN13) \nand demographics
activate cc_upi_client
cc_upi_client -> gs_upi:eCH-0214 (Search)
activate gs_upi
cc_upi_client <- gs_upi: [EPR-SPID] 
deactivate gs_upi
admin <[#black]- cc_upi_client: EPR-SPID
deactivate cc_upi_client

admin -[#black]> admin: Check EPR-SPID attributed to the correct person

admin -[#black]> cc_mpi_source: register patient including demographics from ZAS and EPR-SPID in MPI and registry
activate cc_mpi_source
cc_mpi_source -> cc_mpi_x_ref_manager: [ITI-44] Patient Identity Feed [EPR-SPID, Local-ID]]
activate cc_mpi_x_ref_manager
cc_mpi_source <- cc_mpi_x_ref_manager: Patient Identity Feed Response
deactivate cc_mpi_x_ref_manager

cc_mpi_source -[#black]> cc_mpi_source: query MPI_A-PID from MPI using EPR-SPID
activate cc_mpi_source
cc_mpi_source -> cc_mpi_x_ref_manager: [ITI-45] PIX V3 Query [EPR-SPID]
activate cc_mpi_x_ref_manager
cc_mpi_source <- cc_mpi_x_ref_manager: [ITI-45] PIX V3 Response [MPI_A-PID, EPR-SPID]
deactivate cc_mpi_x_ref_manager
cc_mpi_source <[#black]- cc_mpi_source
deactivate cc_mpi_source

cc_mpi_source -> cc_doc_registry: [ITI-44] Patient Identity Feed [MPI_A-PID]
activate cc_doc_registry
cc_mpi_source <- cc_doc_registry: [ITI-44] Patient Identity Feed Response
deactivate cc_doc_registry

admin <[#black]- cc_mpi_source
deactivate cc_mpi_source

@enduml