workspace "Flowable + ODE + Flowise + LocalAI Architecture" "C4 model - coexistence and Task Server bridge" {

  model {

    #################################
    # Personas
    #################################
    user = person "End User" "Persona que interactúa con Flowise/Flowable for human tasks"
    operator = person "Operator" "Operador / administrador"

    #################################
    # Sistemas Principales (Software Systems)
    #################################
    flowable = softwareSystem "Flowable" "Motor BPMN 2.0 para workflows, human tasks y DMN" {
      api = container "Flowable Engine" "Ejecuta procesos BPMN, expone REST API y task service" "Java"
      db = container "Flowable Database" "Almacena instancias de procesos, tareas y metadata" "Postgres / MySQL"
    }

    ode = softwareSystem "Apache ODE" "Motor BPEL 2.0 para orquestación legacy (WSDL/SOAP)" {
      odeEngine = container "ODE BPEL Engine" "Ejecuta procesos BPEL, soporta partnerLinks y persistencia" "Java"
      odeStore = container "ODE Persistence" "Almacena instancias de proceso BPEL y correlation sets" "RDBMS"
    }

    taskserver = softwareSystem "Task Server for ODE" "Bridge/adapter que convierte requests BPEL->human tasks y reinyecta respuestas" {
      tsAdapter = container "Task Server Adapter" "Endpoint HTTP/SOAP que ODE invoca; normaliza mensajes y gestiona colas" "Node/Java"
      tsQueue = container "Task Queue / State Store" "Persistencia y reintentos de tareas (correlationId, estado, payload)" "Redis / DB"
    }

    flowise = softwareSystem "Flowise" "Interfaz conversacional / UI para interacción humana; integra LLM suggestions" {
      flowiseApp = container "Flowise App" "UI + API para mostrar tareas, aceptar respuestas, conectar a LLM" "Node/JS"
    }

    localai = softwareSystem "LocalAI" "Motor LLM local para sugerencias, resúmenes y generación de contenido" {
      llm = container "LocalAI Runtime" "Endpoint de inference LLM, modelo local" "C++/Go/Python"
      modelStore = container "Model Store" "Almacena los modelos e índices" "Filesystem / Object Storage"
    }

    #################################
    # Relaciones - Context / Integración
    #################################
    user -> flowiseApp "Interacts with (views tasks, responds)"
    operator -> flowiseApp "Admin / monitors tasks"

    flowiseApp -> flowable "Optionally creates/updates Flowable user tasks (REST API)"
    flowiseApp -> llm "Calls for suggestions / summarization"

    odeEngine -> taskserver "Invokes partnerLink to create human task (SOAP/HTTP)" 
    taskserver -> flowiseApp "Creates task, notifies UI / webhook"
    taskserver -> flowable "Creates Flowable user task (optional integration)"
    flowiseApp -> taskserver "Posts user result (approve/reject + payload)"
    taskserver -> odeEngine "Calls reply/callback to correlate and resume BPEL process"

    flowable -> odeEngine "Calls ODE for legacy orchestrations (REST/SOAP) (optional)"
    flowable -> taskserver "Uses bridge to coordinate BPEL-origin tasks (optional)"

    #################################
    # Infra / Security (simple tagging)
    #################################
    cloud = softwareSystem "InfrastructureCloud" "Kubernetes, networking, storage" {
      tags "Infra"
    }
    cloud -> flowable "Hosts / deploys"
    cloud -> ode "Hosts / deploys"
    cloud -> taskserver "Hosts / deploys"
    cloud -> flowise "Hosts / deploys"
    cloud -> localai "Hosts / deploys"

  } # model

  #################################################################
  ## Views
  #################################################################
  views {

    #################################
    # System Context View (Level 1)
    #################################
    systemContext flowable "SystemContext_Flowable" {
      include *
      autolayout lr
      title "System context: Flowable, ODE, Task Server, Flowise, LocalAI"
      description "Visión general de los sistemas y personas que interactúan."
    }

    #################################
    # Containers View - Flowable
    #################################
    container flowable "Containers_Flowable" {
      include *
      autolayout lr
      title "Container view - Flowable + adjacent systems"
      description "Muestra los contenedores principales de Flowable y cómo se conectan a ODE, Task Server y Flowise/LocalAI."
    }

    #################################
    # Containers View - Apache ODE
    #################################
    container ode "Containers_ODE" {
      include *
      autolayout lr
      title "Container view - Apache ODE and Task Server bridge"
      description "Detalle de la orquestación BPEL y el Task Server que expone endpoints para human tasks."
    }

    #################################
    # Dynamic View - Human Task Flow (must reference an existing element as scope)
    #################################
    dynamic ode "HumanTaskFlow" {
      title "Dynamic: Human task flow bridging ODE -> Task Server -> Flowise/LocalAI -> ODE"
      description "Flujo de ejecución cuando un proceso BPEL en ODE requiere intervención humana."
      autolayout lr

      odeEngine -> taskserver "1) invoke partnerLink /task/create (correlationId + context)"
      taskserver -> flowiseApp "3) POST /tasks -> create task + notify user (webhook)"
      flowiseApp -> llm "4) optionally: call LocalAI for suggestions / summary"
      user -> flowiseApp "5) user reviews and submits result (approve/reject + data)"
      flowiseApp -> taskserver "6) POST /tasks/{id}/complete -> result"
      taskserver -> odeEngine "7) callback /reply or SOAP response -> correlate and resume BPEL instance"
    }

    #################################
    # Styles
    #################################
    styles {
      element "Person" {
        shape person
        background #f9f5e7
        color #222222
      }

      element "Software System" {
        shape roundedBox
        background #ffffff
        color #000000
      }

      element "Container" {
        shape component
        background #e8f4ff
        color #0b3c5d
      }

      element "Infra" {
        background #eef7f1
        color #1b5e20
        border dashed
      }

      element "Security" {
        background #fff0f6
        color #6b0f4b
        border solid
      }

      relationship "*" {
        color #555555
      }
    }

  } # views

} # workspace