rules:

  # Info Rules
  uo-info-title-present:
    description: API info must have a title
    message: Info object must have a title
    severity: error
    given: $.info
    then:
      field: title
      function: truthy

  uo-info-description-present:
    description: API info must have a description
    message: Info object must have a description
    severity: warn
    given: $.info
    then:
      field: description
      function: truthy

  uo-info-version-present:
    description: API info must have a version
    message: Info object must have a version
    severity: error
    given: $.info
    then:
      field: version
      function: truthy

  # OpenAPI Version Rules
  uo-openapi-version:
    description: Must use OpenAPI 3.x
    message: OpenAPI version must be 3.x
    severity: error
    given: $
    then:
      field: openapi
      function: pattern
      functionOptions:
        match: "^3\\."

  # Server Rules
  uo-servers-present:
    description: API must define servers
    message: Servers array must be defined and non-empty
    severity: warn
    given: $
    then:
      field: servers
      function: truthy

  uo-server-url-https:
    description: Server URLs should use HTTPS
    message: "Server URL should use HTTPS: {{value}}"
    severity: warn
    given: $.servers[*].url
    then:
      function: pattern
      functionOptions:
        match: "^https://"

  # Path Rules
  uo-paths-present:
    description: API must define paths
    message: Paths object must be defined and non-empty
    severity: error
    given: $
    then:
      field: paths
      function: truthy

  uo-path-lowercase:
    description: Path segments should be lowercase
    message: "Path should use lowercase letters: {{value}}"
    severity: warn
    given: $.paths[*]~
    then:
      function: pattern
      functionOptions:
        match: "^/[a-z0-9/_{}.-]*$"

  # Operation Rules
  uo-operation-id-present:
    description: All operations must have an operationId
    message: Operation must have an operationId
    severity: error
    given: $.paths[*][get,post,put,patch,delete]
    then:
      field: operationId
      function: truthy

  uo-operation-summary-present:
    description: All operations must have a summary
    message: Operation must have a summary
    severity: warn
    given: $.paths[*][get,post,put,patch,delete]
    then:
      field: summary
      function: truthy

  uo-operation-description-present:
    description: All operations should have a description
    message: Operation should have a description
    severity: hint
    given: $.paths[*][get,post,put,patch,delete]
    then:
      field: description
      function: truthy

  uo-operation-tags-present:
    description: All operations must have at least one tag
    message: Operation must have at least one tag
    severity: warn
    given: $.paths[*][get,post,put,patch,delete]
    then:
      field: tags
      function: truthy

  # Tag Rules
  uo-tags-defined:
    description: All tags used in operations should be defined at the top level
    message: Tags should be defined in the global tags array
    severity: warn
    given: $
    then:
      field: tags
      function: truthy

  # Parameter Rules
  uo-parameter-description-present:
    description: All parameters should have a description
    message: Parameter must have a description
    severity: warn
    given: $.paths[*][get,post,put,patch,delete].parameters[*]
    then:
      field: description
      function: truthy

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

  # Request Body Rules
  uo-request-body-description:
    description: Request bodies should have a description
    message: Request body should have a description
    severity: hint
    given: $.paths[*][post,put,patch].requestBody
    then:
      field: description
      function: truthy

  # Response Rules
  uo-response-description-present:
    description: All responses must have a description
    message: Response must have a description
    severity: error
    given: $.paths[*][get,post,put,patch,delete].responses[*]
    then:
      field: description
      function: truthy

  uo-response-success-present:
    description: Operations must have at least one success (2xx) response
    message: Operation must define a 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: ["202"]
            - required: ["204"]

  uo-response-error-present:
    description: Operations should define error responses
    message: Operation should define at least one error response (4xx or 5xx)
    severity: warn
    given: $.paths[*][get,post,put,patch,delete].responses
    then:
      function: schema
      functionOptions:
        schema:
          type: object
          anyOf:
            - required: ["400"]
            - required: ["401"]
            - required: ["403"]
            - required: ["404"]
            - required: ["500"]

  # Schema Rules
  uo-schema-description-present:
    description: All schemas should have a description
    message: Schema should have a description
    severity: hint
    given: $.components.schemas[*]
    then:
      field: description
      function: truthy

  uo-schema-properties-examples:
    description: Schema properties should include examples
    message: Schema property should have an example value
    severity: hint
    given: $.components.schemas[*].properties[*]
    then:
      field: example
      function: truthy

  # Security Rules
  uo-security-schemes-defined:
    description: API must define security schemes
    message: Security schemes must be defined in components
    severity: error
    given: $.components
    then:
      field: securitySchemes
      function: truthy

  uo-global-security-present:
    description: API should define global security requirements
    message: Global security array should be defined
    severity: warn
    given: $
    then:
      field: security
      function: truthy

  # HTTP Method Rules
  uo-get-no-request-body:
    description: GET operations should not have a request body
    message: GET operation should not have a request body
    severity: warn
    given: $.paths[*].get
    then:
      field: requestBody
      function: falsy

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

  # Affiliate-Specific Rules
  uo-affiliate-tracking-url:
    description: Affiliate product responses should include affiliate URLs
    message: Affiliate API product schema should include affiliateUrl field
    severity: hint
    given: $.components.schemas.Product.properties
    then:
      field: affiliateUrl
      function: truthy

  uo-commission-rate-defined:
    description: Commission reports should include commission rate
    message: CommissionReport schema should define commissionRate
    severity: hint
    given: $.components.schemas.CommissionReport.properties
    then:
      field: commissionRate
      function: truthy

  # Marketplace-Specific Rules
  uo-seller-product-sku:
    description: Seller products must include a SKU
    message: SellerProduct schema must include sku field
    severity: error
    given: $.components.schemas.SellerProduct.properties
    then:
      field: sku
      function: truthy

  uo-order-status-enum:
    description: Order status should use predefined values
    message: Order status field should define an enum
    severity: warn
    given: $.components.schemas.Order.properties.status
    then:
      field: enum
      function: truthy

  # Quality Rules
  uo-microcks-operation-present:
    description: Operations should include Microcks extension for mocking
    message: Operation should have x-microcks-operation extension
    severity: hint
    given: $.paths[*][get,post,put,patch,delete]
    then:
      field: x-microcks-operation
      function: truthy

  uo-examples-in-responses:
    description: Responses should include examples for documentation
    message: Response content should include examples
    severity: hint
    given: $.paths[*][get,post,put,patch,delete].responses[*].content[*]
    then:
      field: examples
      function: truthy