rules:

  # INFO / METADATA
  info-title-required:
    description: API info must have a title.
    severity: error
    given: "$.info"
    then:
      field: title
      function: truthy

  info-description-required:
    description: API info must have a description.
    severity: warn
    given: "$.info"
    then:
      field: description
      function: truthy

  info-version-required:
    description: API info must have a version.
    severity: error
    given: "$.info"
    then:
      field: version
      function: truthy

  # OPENAPI VERSION
  openapi-version-3:
    description: APIs should use OpenAPI 3.x specification.
    severity: warn
    given: "$"
    then:
      field: openapi
      function: pattern
      functionOptions:
        match: "^3\\."

  # SERVERS
  servers-defined:
    description: At least one server must be defined.
    severity: error
    given: "$"
    then:
      field: servers
      function: truthy

  servers-https-only:
    description: All server URLs must use HTTPS.
    severity: error
    given: "$.servers[*]"
    then:
      field: url
      function: pattern
      functionOptions:
        match: "^https://"

  # PATHS — NAMING CONVENTIONS
  paths-no-trailing-slash:
    description: Path must not have a trailing slash.
    severity: warn
    given: "$.paths[*]~"
    then:
      function: pattern
      functionOptions:
        notMatch: "/$"

  paths-no-query-string:
    description: Path must not contain a query string.
    severity: error
    given: "$.paths[*]~"
    then:
      function: pattern
      functionOptions:
        notMatch: "\\?"

  paths-kebab-case:
    description: Path segments should use kebab-case.
    severity: info
    given: "$.paths[*]~"
    then:
      function: pattern
      functionOptions:
        match: "^(/[a-z0-9{}-]+)+$"

  # OPERATIONS
  operation-summary-required:
    description: Every operation must have a summary.
    severity: error
    given: "$.paths[*][get,post,put,patch,delete]"
    then:
      field: summary
      function: truthy

  operation-summary-aerodatabox-prefix:
    description: Operation summaries should start with "AeroDataBox".
    severity: warn
    given: "$.paths[*][get,post,put,patch,delete].summary"
    then:
      function: pattern
      functionOptions:
        match: "^AeroDataBox "

  operation-description-required:
    description: Every operation should have a description.
    severity: warn
    given: "$.paths[*][get,post,put,patch,delete]"
    then:
      field: description
      function: truthy

  operation-id-required:
    description: Every operation must have an operationId.
    severity: error
    given: "$.paths[*][get,post,put,patch,delete]"
    then:
      field: operationId
      function: truthy

  operation-tags-required:
    description: Every operation must have at least one tag.
    severity: warn
    given: "$.paths[*][get,post,put,patch,delete]"
    then:
      field: tags
      function: truthy

  # PARAMETERS
  parameter-description-required:
    description: Every parameter must have a description.
    severity: warn
    given: "$.paths[*][get,post,put,patch,delete].parameters[*]"
    then:
      field: description
      function: truthy

  parameter-schema-required:
    description: Every parameter must have a schema.
    severity: error
    given: "$.paths[*][get,post,put,patch,delete].parameters[*]"
    then:
      field: schema
      function: truthy

  # RESPONSES
  response-success-required:
    description: Every operation must have at least one response.
    severity: error
    given: "$.paths[*][get,post,put,patch,delete]"
    then:
      field: responses
      function: truthy

  response-description-required:
    description: Every response must have a description.
    severity: error
    given: "$.paths[*][get,post,put,patch,delete].responses[*]"
    then:
      field: description
      function: truthy

  # SCHEMAS
  schema-description-required:
    description: Top-level schemas should have a description.
    severity: info
    given: "$.components.schemas[*]"
    then:
      field: description
      function: truthy

  # SECURITY
  security-schemes-defined:
    description: Security schemes should be defined in components.
    severity: warn
    given: "$.components"
    then:
      field: securitySchemes
      function: truthy

  # HTTP METHOD CONVENTIONS
  get-no-request-body:
    description: GET operations must not have a request body.
    severity: error
    given: "$.paths[*].get"
    then:
      field: requestBody
      function: falsy

  # GENERAL QUALITY
  microcks-operation-present:
    description: Each operation should have x-microcks-operation for mock server support.
    severity: info
    given: "$.paths[*][get,post,put,patch,delete]"
    then:
      field: x-microcks-operation
      function: truthy