@startuml

package "core" {
  class EventBus
  class DataStore
  class BindingEngine
  class ActionManager
  class PluginManager
  class ErrorReporter
  class ExpressionEvaluator
  class AppError
  class ValidationError
  class RenderError
  class ActionError
  class NetworkError
  class ConfigError
  class "Events (const)" as Events
  class "SystemActions (catalog)" as SystemActions
  class "NodeTree (functions)" as NodeTree

  AppError <|-- ValidationError
  AppError <|-- RenderError
  AppError <|-- ActionError
  AppError <|-- NetworkError
  AppError <|-- ConfigError
}

package "engine" {
  class Renderer
}

package "infra" {
  class DataService
  class SystemDriver
  class DomAccess
}

package "adapters" {
  class DomFacade
  class StyleManager
  class SystemAdapter
}

package "spacepeech" {
  class Spacepeech
}

' --- Orquestación ---
Spacepeech --> EventBus : owns
Spacepeech --> DataStore : owns
Spacepeech --> BindingEngine : owns
Spacepeech --> ActionManager : owns
Spacepeech --> PluginManager : owns
Spacepeech --> Renderer : owns
Spacepeech --> DataService : owns
Spacepeech --> StyleManager : owns
Spacepeech --> SystemAdapter : owns
Spacepeech --> SystemDriver : owns
Spacepeech --> DomFacade : uses (singleton)
Spacepeech --> NodeTree : uses

' --- Expresiones y datos ---
DataStore --> ExpressionEvaluator : delegates evaluation
ActionManager --> ExpressionEvaluator : evaluates "if"
ActionManager --> SystemActions : dispatches
DataStore --> EventBus : emits DATA_CHANGED
BindingEngine --> EventBus : listens DATA_CHANGED / SET_DATA_PROP
BindingEngine --> DataStore : reads/writes

' --- Render y estilos ---
Renderer --> EventBus : listens STATE_CHANGED / NODE_*
Renderer --> DomFacade : manipulates DOM
StyleManager --> EventBus : listens STATE_CHANGED / NODE_*
StyleManager --> DomFacade : injects <style>

' --- Sistema / DOM ---
DomFacade --> DomAccess : wraps
SystemAdapter --> SystemDriver : reads sensors
SystemAdapter --> DataStore : writes $sys.*

' --- Errores ---
ActionManager ..> ErrorReporter : reports
Spacepeech ..> ErrorReporter : reports
DataService ..> NetworkError : throws
ActionManager ..> ActionError : throws
NodeTree ..> ConfigError : throws

note right of ExpressionEvaluator
  Sin Function()/eval(). Gramática
  cerrada (tokenizer + parser propio),
  sin regla de llamada ni de acceso
  a propiedad sobre un valor.
end note

@enduml