rules:

  # INFO / METADATA
  info-title-verizon-prefix:
    description: API title must start with 'Verizon'
    severity: warn
    given: "$.info.title"
    then:
      function: pattern
      functionOptions:
        match: "^Verizon "

  info-description-required:
    description: API info must have a description
    severity: error
    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

  info-contact-required:
    description: API info should include contact information
    severity: warn
    given: "$.info"
    then:
      field: contact
      function: truthy

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

  # SERVERS
  servers-required:
    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[*].url"
    then:
      function: pattern
      functionOptions:
        match: "^https://"

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

  paths-no-trailing-slash:
    description: Paths must not have a trailing slash
    severity: error
    given: "$.paths[*]~"
    then:
      function: pattern
      functionOptions:
        notMatch: "/$"

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

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

  operation-description-required:
    description: All operations must have a description
    severity: error
    given: "$.paths[*][get,post,put,patch,delete,head,options]"
    then:
      field: description
      function: truthy

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

  operation-operationid-camel-case:
    description: operationId should use camelCase
    severity: warn
    given: "$.paths[*][get,post,put,patch,delete].operationId"
    then:
      function: pattern
      functionOptions:
        match: "^[a-z][a-zA-Z0-9]+$"

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

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

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

  # REQUEST BODIES
  request-body-content-json:
    description: Request bodies should use application/json content type
    severity: warn
    given: "$.paths[*][post,put,patch].requestBody.content"
    then:
      field: application/json
      function: truthy

  # RESPONSES
  response-success-required:
    description: Operations must have at least one 2xx response
    severity: error
    given: "$.paths[*][get,post,put,patch,delete].responses"
    then:
      function: schema
      functionOptions:
        schema:
          type: object
          anyOf:
            - required: ['200']
            - required: ['201']
            - required: ['204']

  response-401-required:
    description: Operations should define a 401 Unauthorized response
    severity: warn
    given: "$.paths[*][get,post,put,patch,delete].responses"
    then:
      field: "401"
      function: truthy

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

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

  schema-type-required:
    description: Schema objects should have a type defined
    severity: warn
    given: "$.components.schemas[*]"
    then:
      field: type
      function: truthy

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

  security-global-defined:
    description: Global security requirements should be defined
    severity: warn
    given: "$"
    then:
      field: security
      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

  post-should-have-request-body:
    description: POST operations that create or query resources should have a request body
    severity: info
    given: "$.paths[*].post"
    then:
      field: requestBody
      function: truthy

  # GENERAL QUALITY
  no-empty-descriptions:
    description: Descriptions must not be empty strings
    severity: error
    given: "$..description"
    then:
      function: pattern
      functionOptions:
        match: ".+"