rules:
  # INFO / METADATA
  info-title-required:
    description: Info title must be defined.
    severity: error
    given: "$.info"
    then:
      field: title
      function: truthy

  info-description-required:
    description: Info description must be defined.
    severity: warn
    given: "$.info"
    then:
      field: description
      function: truthy

  info-version-required:
    description: Info version must be defined.
    severity: error
    given: "$.info"
    then:
      field: version
      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 must be defined.
    severity: error
    given: "$"
    then:
      field: servers
      function: truthy

  # PATHS — NAMING CONVENTIONS
  paths-api-v2-prefix:
    description: Stable API paths should start with /api/v2/.
    severity: info
    given: "$.paths[*]~"
    then:
      function: pattern
      functionOptions:
        match: "^(/api/v2/|/ui/)"

  paths-kebab-case:
    description: Path segments should use snake_case or 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-description-required:
    description: Every operation should have a description.
    severity: warn
    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-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

  operation-summary-starts-with-airflow:
    description: Operation summaries should start with "Airflow".
    severity: info
    given: "$.paths[*][get,post,put,patch,delete].summary"
    then:
      function: pattern
      functionOptions:
        match: "^Airflow "

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

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

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

  response-401-documented:
    description: Operations should document 401 Unauthorized responses.
    severity: info
    given: "$.paths[*][get,post,put,patch,delete].responses"
    then:
      function: truthy

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

  schema-properties-snake-case:
    description: Schema property names should use snake_case.
    severity: info
    given: "$.components.schemas[*].properties[*]~"
    then:
      function: pattern
      functionOptions:
        match: "^[a-z][a-z0-9_]*$"

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

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

  delete-returns-204:
    description: DELETE operations should return 204 No Content.
    severity: info
    given: "$.paths[*].delete.responses"
    then:
      function: truthy

  # GENERAL QUALITY
  no-empty-descriptions:
    description: Descriptions must not be empty strings.
    severity: warn
    given: "$..description"
    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

  dag-resource-required:
    description: DAG endpoints are core to Airflow — they must be documented.
    severity: info
    given: "$.paths"
    then:
      function: truthy