extends: spectral:oas
rules:
  ssa-no-authentication:
    description: SSA public data APIs do not require authentication
    message: "SSA public location APIs should not require authentication — they serve public government data."
    severity: info
    given: "$.security"
    then:
      function: falsy

  ssa-arcgis-query-where-required:
    description: ArcGIS query endpoints should document the required where parameter
    message: "ArcGIS query endpoints must document the 'where' parameter for SQL filtering."
    severity: error
    given: "$.paths.*.get.parameters[?(@.name == 'where')]"
    then:
      field: required
      function: truthy

  ssa-arcgis-format-parameter:
    description: ArcGIS endpoints should document the f (format) parameter
    message: "ArcGIS REST endpoints should document the 'f' parameter for response format selection."
    severity: warn
    given: "$.paths.*.*.parameters"
    then:
      function: truthy

  ssa-government-license-documented:
    description: Government APIs must document public domain licensing
    message: "Government APIs must document their license as public domain or U.S. Government Work."
    severity: error
    given: "$.info.license"
    then:
      field: name
      function: truthy

  ssa-contact-info-required:
    description: Government APIs must provide contact information
    message: "Government API specifications must include contact information for the agency."
    severity: error
    given: "$.info.contact"
    then:
      field: url
      function: truthy

  ssa-tags-required:
    description: All operations must have tags
    message: "All SSA API operations must include descriptive tags."
    severity: error
    given: "$.paths.*.*"
    then:
      field: tags
      function: truthy

  ssa-response-schema-defined:
    description: Responses should define a schema for data consumers
    message: "API responses should define a schema to help developers understand the data structure."
    severity: warn
    given: "$.paths.*.*.responses.*.content.*.schema"
    then:
      function: truthy

  ssa-path-kebab-case:
    description: URL path segments should use kebab-case
    message: "Path segments should use kebab-case (lowercase with hyphens)."
    severity: warn
    given: "$.paths"
    then:
      function: pattern
      functionOptions:
        match: "^(/[a-z0-9{}-]+)*/?$"