extends: spectral:oas
rules:
  aws-backup-operation-summary-title-case:
    description: All operation summaries must use Title Case
    message: "Operation summary '{{value}}' must be in Title Case"
    severity: warn
    given: "$.paths[*][*].summary"
    then:
      function: pattern
      functionOptions:
        match: "^([A-Z][a-z0-9]*(\\s[A-Z][a-z0-9]*)*|[A-Z]+)$"

  aws-backup-operation-tags:
    description: All operations must have at least one tag
    message: Operation must have at least one tag
    severity: error
    given: "$.paths[*][*]"
    then:
      field: tags
      function: truthy

  aws-backup-operation-id:
    description: All operations must have an operationId
    message: Operation must have an operationId
    severity: error
    given: "$.paths[*][*]"
    then:
      field: operationId
      function: truthy

  aws-backup-operation-description:
    description: All operations must have a description
    message: Operation must have a description
    severity: warn
    given: "$.paths[*][*]"
    then:
      field: description
      function: truthy

  aws-backup-path-param-required:
    description: All path parameters must be marked as required
    message: Path parameter must be marked as required
    severity: error
    given: "$.paths[*][*].parameters[?(@.in == 'path')]"
    then:
      field: required
      function: truthy

  aws-backup-error-responses:
    description: All operations must define at least one error response
    message: Operation must define 4xx or 5xx error responses
    severity: warn
    given: "$.paths[*][*]"
    then:
      function: schema
      functionOptions:
        schema:
          type: object
          properties:
            responses:
              type: object
              minProperties: 2

  aws-backup-pagination-next-token:
    description: List operations should support nextToken pagination
    message: List operation responses should include a nextToken field
    severity: info
    given: "$.paths[*].get.responses.200.content.application/json.schema.properties"
    then:
      function: schema
      functionOptions:
        schema:
          oneOf:
            - required:
                - NextToken
            - not:
                required:
                  - NextToken