extends:
  - spectral:oas

rules:
  # Soracom uses snake_case path segments (e.g. /port_mappings, /event_handlers, /audit_logs).
  soracom-paths-must-be-snake-case:
    description: Path segments must use snake_case to match Soracom conventions (e.g. `/port_mappings`, `/event_handlers`).
    severity: warn
    given: $.paths.*~
    then:
      function: pattern
      functionOptions:
        match: '^/([a-z0-9_]+(/\{[a-zA-Z_]+\})?)+$'

  # operationId must be camelCase verb+noun (e.g. listSims, createPortMapping, getBillingHistory).
  soracom-operation-id-camel-case:
    description: operationId must use camelCase verb+noun (Soracom convention).
    severity: warn
    given: $.paths.*[get,post,put,patch,delete].operationId
    then:
      function: pattern
      functionOptions:
        match: '^[a-z][a-zA-Z0-9]+$'

  # Every operation must define a tag (Soracom groups operations by service: Sim, Group, Harvest, etc.).
  soracom-operation-must-have-tag:
    description: Every operation must declare at least one tag mapping to a Soracom service surface.
    severity: error
    given: $.paths.*[get,post,put,patch,delete]
    then:
      field: tags
      function: truthy

  # Pagination: list endpoints SHOULD accept `limit` and `last_evaluated_key` query parameters.
  soracom-list-must-support-pagination:
    description: List operations (operationId starts with `list`) should accept `limit` and `last_evaluated_key` query params.
    severity: warn
    given: $.paths.*.get[?(@.operationId =~ /^list/)]
    then:
      - field: parameters
        function: truthy

  # SIM ID, IMSI, etc. path parameters must be typed as strings.
  soracom-id-path-params-string:
    description: ID-style path parameters (sim_id, imsi, device_id, group_id, etc.) must be typed `string`.
    severity: warn
    given: '$.paths..parameters[?(@.in == "path" && (@.name == "sim_id" || @.name == "imsi" || @.name == "device_id" || @.name == "group_id" || @.name == "operator_id"))].schema.type'
    then:
      function: enumeration
      functionOptions:
        values: [string]

  # 4xx responses should be documented for write operations.
  soracom-write-op-has-4xx:
    description: POST/PUT/PATCH/DELETE operations should document at least one 4xx response.
    severity: warn
    given: $.paths.*[post,put,patch,delete].responses
    then:
      function: schema
      functionOptions:
        schema:
          type: object
          patternProperties:
            '^4[0-9]{2}$': {}
          minProperties: 1