---
components:
  schemas:
    Phase:
      type: object
      required:
        - re
        - im
      properties:
        re:
          type: number
          x-ngsi:
            type: Property
            model: https://schema.org/Number
        im:
          type: number
          x-ngsi:
            type: Property
            model: https://schema.org/Number
      description: "The schema defines a complex number with properties 're' for the real part and 'im' for the imaginary part, expressed mathematically as a+bi."
      x-ngsi:
        type: Property
        model: https://schema.org/StructuredValue

    ThreePhaseSystem:
      description: 'The schema represents a three-phase electrical system where properties like voltage and current can be defined for each phase'
      type: object
      x-ngsi:
        type: Property
        model: https://schema.org/StructuredValue
      properties: 
        L1:
          description: Value for phase 1
          type: object
          allOf:
            - $ref: '#/components/schemas/Phase'
          x-ngsi:
            model: '#phase'
        L2:
          description: Value for phase 2
          type: object
          allOf:
            - $ref: '#/components/schemas/Phase'
          x-ngsi:
            type: Property
            model: '#phase'
        L3:
          description: Value for phase 3
          type: object
          allOf:
            - $ref: '#/components/schemas/Phase'
          x-ngsi:
            type: Property
            model: '#phase'

    MeasuringPoint:
      type: object
      required:
        - dateObservedFrom
      properties:
        address: 
          description: 'Physical address of the item.'
          allOf:
            - $ref: https://schema.org/address
          x-ngsi:
            type: Property
            model: https://schema.org/address
        name:
          description: 'The name of the item.'
          x-ngsi:
            type: Property
            model: https://schema.org/name
          allOf:
            - $ref: https://schema.org/name
        phaseVoltage:
          description: 'The voltage between each phase and neutral conductor. The unit code (text) is given using the [UN/CEFACT Common Codes](http://wiki.goodrelations-vocabulary.org/Documentation/UN/CEFACT_Common_Codes)'
          x-ngsi:
            type: Property
            model: '#threephasesystem'
            units: Volts
          allOf:
            - $ref: '#/components/schemas/ThreePhaseSystem'

        current:
          description: 'Electrical current. The unit code (text) is given using the [UN/CEFACT Common Codes](http://wiki.goodrelations-vocabulary.org/Documentation/UN/CEFACT_Common_Codes)'
          type: object
          x-ngsi:
            type: Property
            model: '#threephasesystem'
            units: Ampere
          allOf:
            - $ref: '#/components/schemas/ThreePhaseSystem'

        apparentPower:
          description: 'Apparent power consumed per phase. The unit code (text) is given using the [UN/CEFACT Common Codes](http://wiki.goodrelations-vocabulary.org/Documentation/UN/CEFACT_Common_Codes)'
          type: object
          x-ngsi:
            type: Property
            model: '#threephasesystem'
            units: Watt
          allOf:
            - $ref: '#/components/schemas/ThreePhaseSystem'
        frequency:
          $ref: https://raw.githubusercontent.com/smart-data-models/dataModel.Energy/refs/heads/master/ACMeasurement/model.yaml#/ACMeasurement/properties/frequency
        dateObservedFrom:
          type: date-time
          $ref: https://raw.githubusercontent.com/smart-data-models/dataModel.Energy/refs/heads/master/ACMeasurement/model.yaml#/ACMeasurement/properties/dateObservedFrom
info: 
  description: "SEGuRo measuring point"
  title: Messstelle
  version: "1.0.0"
openapi: "3.0.0"
paths: 
  /ngsi-ld/v1/entities: 
    get: 
      responses: 
        ? "200"
        : 
          description:  OK
          content: 
            application/ld+json: 
              schema: 
                type: object