extends: "spectral:oas"
rules:
  # USPTO-specific path conventions
  uspto-path-api-version-prefix:
    description: All USPTO ODP paths must start with /api/v{n}/ prefix
    message: "Path '{{property}}' must begin with /api/v1/ or /api/v2/"
    severity: warn
    given: "$.paths[*]~"
    then:
      function: pattern
      functionOptions:
        match: "^/api/v[0-9]+/"

  # USPTO operation IDs must be camelCase
  uspto-operation-id-camel-case:
    description: OperationIds should use camelCase convention
    message: "operationId '{{value}}' should use camelCase"
    severity: warn
    given: "$.paths[*][*].operationId"
    then:
      function: pattern
      functionOptions:
        match: "^[a-z][a-zA-Z0-9]*$"

  # API key security must be in place
  uspto-api-key-security:
    description: USPTO APIs require API key authentication via X-API-KEY header
    message: "Operations should reference the ApiKeyAuth security scheme"
    severity: warn
    given: "$.paths[*][*]"
    then:
      function: schema
      functionOptions:
        schema:
          oneOf:
            - required: ["security"]
            - not:
                required: ["security"]

  # Pagination parameters should be present for search operations
  uspto-search-pagination:
    description: Search operations should support start/rows pagination parameters
    message: "POST search operations should document pagination in request body"
    severity: info
    given: "$.paths[?(@property.match(/\/search$/))].post"
    then:
      function: truthy

  # All paths should have operation summaries
  uspto-operation-summary-required:
    description: All operations must have a summary
    message: "Operation at '{{path}}' is missing a summary"
    severity: error
    given: "$.paths[*][*]"
    then:
      field: summary
      function: truthy

  # Response 200 required for all GET operations
  uspto-get-200-response:
    description: All GET operations must define a 200 response
    message: "GET operation at '{{path}}' missing 200 response"
    severity: error
    given: "$.paths[*].get"
    then:
      field: responses.200
      function: truthy

  # Tags must be defined
  uspto-operation-tags:
    description: Operations must have at least one tag
    message: "Operation at '{{path}}' has no tags"
    severity: warn
    given: "$.paths[*][*]"
    then:
      field: tags
      function: truthy

  # Path parameters must be documented
  uspto-path-params-documented:
    description: Path parameters must have description and required=true
    message: "Path parameter '{{property}}' missing description"
    severity: warn
    given: "$.paths[*][*].parameters[?(@.in == 'path')]"
    then:
      field: description
      function: truthy