workspace "Name" "Description" {

  // TODO: When do we assign identifier?

  !identifiers hierarchical
  model {
    rob = person "Rob mcjinty" {
    }
    chris = person "Chris sooty" {
    }

    scrcMetadata = softwareSystem "SCRC Metadata" "Holds metadata for Special Collections" "Google Sheet" {
    }

    dor = softwareSystem "Digital Object Repository" {

      api = container "Inspection API" "Provides digital object and workflow information; i.e., status and history" "Python, FastAPI" {
        tags "Web API"
      }

      ipq = container "Incoming Package Queue" "Package import requests; generated after submission package is fully transferred" "Message Topic, RabbitMQ" {
        tags "Message Topic"
      }

      incomingDrop = container "Incoming Package Storage" "Storage area for packages to be imported; packages contain metadata and/or assets for one or more digital objects" "Filesystem" {
        tags "Filesystem"
      }

      packageImport = container "Package Importer" "On-demand package import job; one per package, recording status <maybe in registry, maybe not>" "Python, Dramatiq" {
        tags "Background Job"
      }

      preservationStorage = container "Preservation Storage" "Holds digital objects in full preservation form" "MiStorage, NFS, OCFL" {
        tags "Filesystem"
      }

      accessStorage = container "Access Storage" "Holds access copies; e.g., JP2 version of TIFF or EPUB of TEI document" "MiStorage, NFS" {
        tags "Filesystem"
      }

      registry = container "Preservation Registry" "Holds preservation and administrative properties of digital objects" "PostgreSQL" {
        tags "Database"
      }

      packageImport -> ipq "reads from" "AMQP"
      packageImport -> incomingDrop "reads from" "NFS"
      packageImport -> registry "reads from and writes to"

      packageImport -> preservationStorage "reads from and writes to"
      packageImport -> accessStorage "reads from and writes to"

      api -> registry "reads from"
      api -> preservationStorage "reads from"
      api -> accessStorage "reads from"
    }

    lsa = softwareSystem "LS&A metadata automation" {
      tags "External System"
    }

    scrc = person "Special Collections Staff" {
    }

    clements = person "Clements Library Staff" {
    }

    // AS DLXS STANDS:
    //   assets are "on" shandy (mounted? copied?)...
    //   metadata is on tang -- some in files (TEI docs), some in database (e.g., filemaker export, script enters stuff into mysql)...

    // LSA-XML:
    //   - custom export format from LS&A
    // Feeds from Filemaker databases:
    //   - AAEL
    // Spreadsheets from
    //   - Special

    // Contacts at each museum... Natural History Museums, History of Art

    //lsa -> dor.metadataDrop "sends metadata"
    //scrc -> dor.metadataDrop " metadata files"
    //clements -> dor.metadataDrop "drop metadata files"

    //scrc -> scrcMetadata "updates"
    //scrc -> rob "notifies about metadata updates"
    //rob -> scrcMetadata "exports"
    //rob -> dor.metadataDrop
    //scrc -> dor.metadataDrop "updates"
  }

  views {
    systemContext dor "Diagram1" {
      include dor
        autolayout
    }

    container dor "Digital_Object_Repository_Containers" {
      include *
    }

    styles {
      element "Person" {
        shape Person
      }

      element "Web Application" {
        background #89ACFF
      }

      element "Web API" {
        background #89ACFF
      }

      element "Filesystem" {
        shape folder
        background #91F0AE
      }

      element "Database" {
        shape cylinder
        background #8CD0F0
      }

      element "Message Topic" {
        shape cylinder
        background #FFAC33
      }

      element "Background Job" {
        background #EDF08C
        shape hexagon
      }

    }
  }

  configuration {
    scope softwaresystem
  }
}