rules:

  # ─── INFO / METADATA ───────────────────────────────────────────────
  info-title-required:
    description: Info title must be present and non-empty
    severity: error
    given: $.info
    then:
      field: title
      function: truthy

  info-title-circana-prefix:
    description: Info title should start with "Circana"
    severity: warn
    given: $.info
    then:
      field: title
      function: pattern
      functionOptions:
        match: "^Circana "

  info-description-required:
    description: Info description must be present and non-empty
    severity: error
    given: $.info
    then:
      field: description
      function: truthy

  info-description-min-length:
    description: Info description should be at least 50 characters
    severity: warn
    given: $.info.description
    then:
      function: length
      functionOptions:
        min: 50

  info-version-required:
    description: API version must be specified
    severity: error
    given: $.info
    then:
      field: version
      function: truthy

  info-contact-required:
    description: Contact information should be provided
    severity: warn
    given: $.info
    then:
      field: contact
      function: truthy

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

  # ─── SERVERS ────────────────────────────────────────────────────────
  servers-defined:
    description: Servers array must be defined
    severity: error
    given: $
    then:
      field: servers
      function: truthy

  servers-https:
    description: Server URLs should use HTTPS
    severity: error
    given: $.servers[*].url
    then:
      function: pattern
      functionOptions:
        match: "^https://"

  servers-description:
    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 should use kebab-case
    severity: warn
    given: $.paths
    then:
      field: "@key"
      function: pattern
      functionOptions:
        match: "^(/[a-z0-9\\-{}]+)+$"

  paths-no-trailing-slash:
    description: Paths must not have trailing slashes
    severity: error
    given: $.paths
    then:
      field: "@key"
      function: pattern
      functionOptions:
        notMatch: "/$"

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

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

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

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

  # ─── TAGS ───────────────────────────────────────────────────────────
  tag-description:
    description: Tags should have descriptions
    severity: info
    given: $.tags[*]
    then:
      field: description
      function: truthy

  tag-title-case:
    description: Tag names should use Title Case
    severity: warn
    given: $.tags[*].name
    then:
      function: pattern
      functionOptions:
        match: "^[A-Z][a-zA-Z]*(\\s[A-Za-z][a-zA-Z]*)*$"

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

  parameter-snake-case:
    description: Parameter names should use snake_case
    severity: warn
    given: $.paths[*][get,post,put,patch,delete].parameters[*].name
    then:
      function: pattern
      functionOptions:
        match: "^[a-z][a-z0-9]*(_[a-z0-9]+)*$"

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

  parameter-example-recommended:
    description: Parameters should include an example value
    severity: info
    given: $.paths[*][get,post,put,patch,delete].parameters[*]
    then:
      field: example
      function: truthy

  # ─── REQUEST BODIES ─────────────────────────────────────────────────
  request-body-json-content:
    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: Every operation must have a success response (2xx)
    severity: error
    given: $.paths[*][get,post,put,patch,delete].responses
    then:
      function: schema
      functionOptions:
        schema:
          anyOf:
            - required: ["200"]
            - required: ["201"]
            - required: ["202"]
            - required: ["204"]

  response-401-required:
    description: Operations should include a 401 Unauthorized response
    severity: warn
    given: $.paths[*][get,post,put,patch,delete].responses
    then:
      field: "401"
      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 — PROPERTY NAMING ─────────────────────────────────────
  schema-property-snake-case:
    description: Schema property names should use snake_case
    severity: warn
    given: $.components.schemas[*].properties
    then:
      field: "@key"
      function: pattern
      functionOptions:
        match: "^[a-z][a-z0-9]*(_[a-z0-9]+)*$"

  schema-description-required:
    description: Top-level schemas should have descriptions
    severity: warn
    given: $.components.schemas[*]
    then:
      field: description
      function: truthy

  schema-type-required:
    description: Schema properties must define a type
    severity: error
    given: $.components.schemas[*].properties[*]
    then:
      function: schema
      functionOptions:
        schema:
          anyOf:
            - required: ["type"]
            - required: ["$ref"]
            - required: ["oneOf"]
            - required: ["anyOf"]
            - required: ["allOf"]

  # ─── SECURITY ───────────────────────────────────────────────────────
  security-global-defined:
    description: Global security must be defined
    severity: error
    given: $
    then:
      field: security
      function: truthy

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

  security-scheme-description:
    description: Security schemes should have descriptions
    severity: warn
    given: $.components.securitySchemes[*]
    then:
      field: description
      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-request-body-required:
    description: POST operations 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: $.paths[*][get,post,put,patch,delete].description
    then:
      function: truthy

  examples-recommended:
    description: Response schemas should include examples
    severity: info
    given: $.paths[*][get,post,put,patch,delete].responses[*].content.application/json
    then:
      field: examples
      function: truthy

  pagination-offset-limit:
    description: Paginated endpoints should use offset/limit parameters
    severity: info
    given: $.paths[*].get.parameters[?(@.name=='offset' || @.name=='limit')]
    then:
      function: truthy

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