rules:
  # ===========================
  # INFO / METADATA
  # ===========================
  info-title-pattern:
    description: API title must start with "AT&T"
    severity: warn
    given: $.info.title
    then:
      function: pattern
      functionOptions:
        match: '^AT&T '

  info-description-required:
    description: API info must have a non-empty 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 have contact information
    severity: warn
    given: $.info
    then:
      field: contact
      function: truthy

  info-terms-of-service:
    description: API info should include a termsOfService URL
    severity: warn
    given: $.info
    then:
      field: termsOfService
      function: truthy

  # ===========================
  # OPENAPI VERSION
  # ===========================
  openapi-version:
    description: Must use OpenAPI 3.0.x
    severity: error
    given: $.openapi
    then:
      function: pattern
      functionOptions:
        match: '^3\.0\.'

  # ===========================
  # 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://'

  servers-description-required:
    description: Each server should have a description
    severity: warn
    given: $.servers[*]
    then:
      field: description
      function: truthy

  # ===========================
  # PATHS — NAMING CONVENTIONS
  # ===========================
  paths-kebab-case:
    description: Path segments must use kebab-case (lowercase with hyphens)
    severity: warn
    given: $.paths
    then:
      function: pattern
      functionOptions:
        match: '^(\/[a-z0-9{}\-]+)+$'

  paths-no-trailing-slash:
    description: Paths must not end with a trailing slash
    severity: warn
    given: $.paths
    then:
      function: pattern
      functionOptions:
        notMatch: '\/$'

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

  operation-summary-att-prefix:
    description: Operation summaries must start with "AT&T"
    severity: warn
    given: $.paths[*][get,post,put,patch,delete].summary
    then:
      function: pattern
      functionOptions:
        match: '^AT&T '

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

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

  # ===========================
  # TAGS
  # ===========================
  tags-global-defined:
    description: Global tags array should be defined
    severity: warn
    given: $
    then:
      field: tags
      function: truthy

  # ===========================
  # PARAMETERS
  # ===========================
  parameter-description-required:
    description: Every parameter must have a description
    severity: error
    given: $.paths[*][*].parameters[*]
    then:
      field: description
      function: truthy

  parameter-schema-required:
    description: Every parameter must have a schema
    severity: error
    given: $.paths[*][*].parameters[*]
    then:
      field: schema
      function: truthy

  parameter-snake-case:
    description: Query and header parameter names should use snake_case or camelCase
    severity: info
    given: $.paths[*][*].parameters[?(@.in == 'query')].name
    then:
      function: pattern
      functionOptions:
        match: '^[a-z][a-zA-Z0-9_.]+$'

  # ===========================
  # REQUEST BODIES
  # ===========================
  request-body-description:
    description: Request bodies should have a description
    severity: warn
    given: $.paths[*][post,put,patch].requestBody
    then:
      field: description
      function: truthy

  request-body-json-content:
    description: Request bodies should support application/json
    severity: warn
    given: $.paths[*][post,put,patch].requestBody.content
    then:
      function: truthy

  # ===========================
  # RESPONSES
  # ===========================
  response-success-required:
    description: Every operation must have at least one 2xx 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[*][*].responses[*]
    then:
      field: description
      function: truthy

  response-401-required:
    description: Operations using security should have a 401 response
    severity: warn
    given: $.paths[*][get,post,put,patch,delete][?(@.security)]
    then:
      field: responses.401
      function: truthy

  response-400-for-post:
    description: POST operations should document a 400 Bad Request response
    severity: warn
    given: $.paths[*].post
    then:
      field: responses.400
      function: truthy

  # ===========================
  # SCHEMAS — PROPERTY NAMING
  # ===========================
  schema-description-required:
    description: Top-level component schemas should have descriptions
    severity: warn
    given: $.components.schemas[*]
    then:
      field: description
      function: truthy

  schema-properties-types:
    description: Schema properties should have a type defined
    severity: warn
    given: $.components.schemas[*].properties[*]
    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-oauth2-scopes:
    description: OAuth2 security schemes must define scopes
    severity: warn
    given: $.components.securitySchemes[?(@.type == 'oauth2')].flows[*]
    then:
      field: scopes
      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

  delete-no-request-body:
    description: DELETE operations should not have a request body
    severity: warn
    given: $.paths[*].delete
    then:
      field: requestBody
      function: falsy

  post-has-request-body:
    description: POST operations should have a request body
    severity: warn
    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: '.+'

  operation-examples-encouraged:
    description: Operations should include request/response examples for Microcks compatibility
    severity: info
    given: $.paths[*][get,post,put,patch,delete].responses[*].content[*]
    then:
      field: examples
      function: truthy

  microcks-operation-extension:
    description: Operations should include x-microcks-operation extension for mock server support
    severity: info
    given: $.paths[*][get,post,put,patch,delete]
    then:
      field: x-microcks-operation
      function: truthy