rules:

  vu-info-title:
    description: API must declare an info.title.
    severity: error
    given: $.info
    then:
      field: title
      function: truthy

  vu-info-version:
    description: API must declare an info.version (Pure API uses semantic versions like 5.34.3).
    severity: error
    given: $.info
    then:
      field: version
      function: truthy

  vu-server-defined:
    description: At least one server should be defined, pointing at the Pure web service base path.
    severity: warn
    given: $
    then:
      field: servers
      function: truthy

  vu-uuid-format:
    description: Object identity properties named "uuid" should declare format uuid.
    severity: warn
    given: $.components.schemas..properties.uuid
    then:
      field: format
      function: pattern
      functionOptions:
        match: ^uuid$

  vu-operation-id:
    description: Every operation should declare an operationId (Pure exposes ids like researchOutput_list).
    severity: warn
    given: $.paths[*][get,put,post,delete]
    then:
      field: operationId
      function: truthy

  vu-json-responses:
    description: Read operations should advertise an application/json response media type.
    severity: warn
    given: $.paths[*].get.responses.200.content
    then:
      field: application/json
      function: truthy