workspace "Unified Exports" "Unified Architecture" {

    model {


        user = person "User" "A UNI-Cloud user who wants to export survey data to a file or external destination."

        # ── External systems ──────────────────────────────────────────────────
        frontend = softwaresystem "Frontend" "UNI-Cloud web application. Hosts the export UI and the live PDF preview canvas." "External"

        surveyservice = softwaresystem "Survey Service" "Provides survey features, layers, project data." "External"

        unistorage = softwaresystem "UNI-Storage" "Object storage for rendered export artifacts." "External"

        telekom = softwaresystem "Telekom" "" "External"


        group "Export Service" {
            exportservice = softwaresystem "Export Service" "Converts system data in multiple file formats, and delivers them to configured destinations." {

                api = container "API" "HTTP entry point and composition root. Registers all format modules and infrastructure into DI. Routes commands via Wolverine." "ASP.NET Core / FastEndpoints / Wolverine" "Api"

                core = container "Core" "Contains state management, shared entities, business logic and domain events." "C# / Wolverine" "Core"

                pdf = container "PDF Module" "PDF and GeoPDF rendering. Template-driven: BoorProfiel,CrossSection and Map&Details." "C#" "FormatModule"

                csv = container "CSV Module" "CSV, TXT, and Organise CSV. CSV and TXT share configurable delimiter and column selection. Organise CSV uses a fixed schema." "C#" "FormatModule"

                cad = container "CAD Module" "DXF and DWG rendering. Optional NLCS++ coding convention applied as a modifier on the output layer structure." "C# / netDxf" "FormatModule"

                geojson = container "GeoJSON Module" "GeoJSON feature collection rendering. Used by Telekom destination and for map preview." "C#" "FormatModule"

                landxml = container "LandXML Module" "LandXML surfaces, alignments and points for survey software interchange." "C# / NetTopologySuite" "FormatModule"

                # User
                user -> frontend "Starts wizard, fills steps, submits export" "HTTPS"
                frontend -> api "Manages wizard state, requests preview, polls status" "REST / HTTPS"

                # API composition root
                api -> core "Dispatches commands and queries" "Wolverine" "Primary"
                api -> pdf "Registers PDF + GeoPDF formats, step processors, mappers"
                api -> csv "Registers CSV, TXT, Organise CSV formats, step processors, mappers"
                api -> cad "Registers DXF, DWG formats, step processors"
                api -> geojson "Registers GeoJSON format"
                api -> landxml "Registers LandXML format"

                # Format modules → Core (implement interfaces)
                pdf -> core "Implements IExportFormat, IStepProcessor, IStepMapper"
                csv -> core "Implements IExportFormat, IStepProcessor, IStepMapper"
                cad -> core "Implements IExportFormat, IStepProcessor, IStepMapper"
                geojson -> core "Implements IExportFormat"
                landxml -> core "Implements IExportFormat"

                # Core → external systems
                core -> surveyservice "Fetches features and elevation data via IExportDataProvider" "MQTT / RabbitMQ"
                core -> unistorage "Stores rendered artifacts via IArtifactStore" "HTTPS / S3"
                core -> telekom "Delivers GeoJSON exports via TelekomDestination" "REST / HTTPS"
            }
        }
    }

    views {

        systemContext exportservice "SystemContext" {
            include *
            autoLayout lr
            title "Export Service — System Context"
        }

        container exportservice "Containers" {
            include *
            autoLayout lr
            title "Export Service — Containers"
        }

        styles {
            element "Person" {
                shape Person
                background #1168BD
                color #FFFFFF
            }
            element "External" {
                background #6B6B6B
                color #FFFFFF
            }
            element "Software System" {
                background #1168BD
                color #FFFFFF
            }
            element "Container" {
                background #438DD5
                color #FFFFFF
            }
            element "Api" {
                background #2471A3
                color #FFFFFF
                shape RoundedBox
            }
            element "Core" {
                background #1A5276
                color #FFFFFF
                shape RoundedBox
            }
            element "FormatModule" {
                background #1E8449
                color #FFFFFF
                shape Component
            }
            relationship "Primary" {
                color #E74C3C
                thickness 3
            }
        }

        theme default
    }

    configuration {
        scope softwaresystem
    }

}