@startuml Server Architecture
left to right direction

!define RECTANGLE class

' Define styles
skinparam rectangle {
    BackgroundColor<<zone>> LightBlue
    BorderColor<<zone>> Navy
    BackgroundColor<<server>> LightGreen
    BorderColor<<server>> DarkGreen
    BackgroundColor<<admin>> LightYellow
    BorderColor<<admin>> Orange
    BackgroundColor<<client>> LightPink
    BorderColor<<client>> Red
    BackgroundColor<<database>> LightCyan
    BorderColor<<database>> DarkCyan
    BackgroundColor<<component>> Wheat
    BorderColor<<component>> Brown
}

' Zone 2 container
rectangle "Zone 2" <<zone>> {
    ' Admin DIZ (provider)
    actor "Admin DIZ\n(Provider)" <<admin>> as AdminD
    
    ' BLAZE Server
    rectangle "BLAZE Server" <<server>> as BlazeServer {
        note "FHIR data source for\nthe pipeline" as n1
    }

    ' Server M with internal components
    rectangle "Server MeDaX" <<server>> as ServerM {
        
        ' Web Interface
        rectangle "Web Interface" <<component>> as WebInterface
        ' Pipeline components
        rectangle "Pipeline" <<component>> as Pipeline {
            rectangle "Python Scripts" <<component>> as PythonScripts
            collections "Input Files" <<files>> as InputFiles
            
            note top of PythonScripts : 1. Python scripts fetch data\n2. Create input files\n3. Load into GDB


        ' Graph Database
        database "Graph Database\n(GDB)" <<database>> as GraphDB
        }

    
    }
    
    rectangle WTSDIZ <<client>> as DIZclient
    

}

' Admin MeDaX
rectangle "MeDaX Admins" <<admin>> as AdminGroup {
    actor "Admin 1" as Admin1
    actor "Admin 2" as Admin2
}


' Clients
rectangle "Clients" <<client>> as Clients {
    rectangle "Clients 1 - MeDaX" as Client1
    rectangle "Clients 2 - Allgemeinmedizin" as Client2
}

' Hidden alignment helpers
BlazeServer -[hidden]right- ServerM
BlazeServer -[hidden]down- AdminD

' Pipeline flow within Server M
PythonScripts -down-> InputFiles : creates
InputFiles -down-> GraphDB : loads into

' BLAZE Server connection
PythonScripts -up-> BlazeServer : requests data


' Web Interface connection
WebInterface -up-> GraphDB : connected to


' External relationships
AdminD -up-> ServerM : manages, secures & installs
AdminGroup -up-> DIZclient : access via VPN
DIZclient -left-> ServerM : ssh connection
Clients -up-> DIZclient : access via VPN
DIZclient -left-> WebInterface : access


@enduml