asyncapi: '2.0.0'
info:
  title: Streetlights API
  version: '1.0.0'
  description: |
    The Smartylighting Streetlights API allows you
    to remotely manage the city lights.
  license:
    name: Apache 2.0
    url: 'https://www.apache.org/licenses/LICENSE-2.0'

servers:
  production:
    url: kafka.bootstrap:{port}
    protocol: kafka
    variables:
      port:
        default: '9092'
        enum:
          - '9092'
          - '9093'

channels:
  event.lighting.measured:
    publish:
      bindings:
        kafka:
          groupId: my-group
      operationId: readLightMeasurement
      message:
        $ref: '#/components/messages/lightMeasured'
    subscribe:
      operationId: updateLightMeasurement
      message:
        $ref: '#/components/messages/lightMeasured'
components:
  messages:
    lightMeasured:
      summary: Inform about environmental lighting conditions for a particular streetlight.
      payload:
        $ref: "#/components/schemas/lightMeasuredPayload"
  schemas:
    lightMeasuredPayload:
      type: object
      properties:
        lumens:
          type: integer
          minimum: 0
          description: Light intensity measured in lumens.
        sentAt:
          $ref: "#/components/schemas/sentAt"
    sentAt:
      type: string
      format: date-time
      description: Date and time when the message was sent.