# apigee — Spectral ruleset (strengthened)
# Plain Spectral. Existing hand-authored rules preserved; measured rules added
# from this provider's own OpenAPI conventions by strengthen_ruleset.py,
# then self-validated against the spec.
#
# Provenance:
#   - servers-https-only: 100% of servers already https (error)
#   - servers-expected-domain: 5/5 servers on googleapis.com
#   - path-params-casing: camel @ 100% (n=540)
#   - query-params-casing: camel @ 72% (n=156)
#   - operationid-casing: camel @ 100% (n=184)
#   - schema-names-casing: pascal @ 100% (n=127)
#   - schema-properties-casing: camel @ 56% (n=608)
#   - security: global (root) — NOT emitting operation-security-required
#   - error-schema-defined: Error
#   - operation-documents-401: 100% adherence
#   - operation-documents-403: 100% adherence
#   - pagination params observed: ['count', 'limit', 'offset', 'pageSize', 'pageToken']
#   - merge: kept 14 existing, added 9 measured, upgraded 0
#   - added: path-params-casing, query-params-casing, operationid-casing, schema-names-casing, schema-properties-casing, error-schema-defined, operation-documents-401, operation-documents-403, no-empty-descriptions
extends:
  - spectral:oas
rules:
  info-title-prefix:
    description: API title must start with 'Apigee'.
    severity: warn
    given: $.info
    then:
      field: title
      function: pattern
      functionOptions:
        match: ^Apigee
  info-description-required:
    description: API must have a description.
    severity: error
    given: $.info
    then:
      field: description
      function: truthy
  servers-https:
    description: All server URLs must use HTTPS.
    severity: error
    given: $.servers[*]
    then:
      field: url
      function: pattern
      functionOptions:
        match: ^https://
  servers-googleapis:
    description: Apigee API servers should be on *.googleapis.com.
    severity: info
    given: $.servers[*]
    then:
      field: url
      function: pattern
      functionOptions:
        match: \.googleapis\.com
  operation-summary-title-case:
    description: Operation summaries must be in Title Case.
    severity: warn
    given: $.paths[*][get,post,put,patch,delete]
    then:
      field: summary
      function: pattern
      functionOptions:
        match: ^[A-Z]
  operation-summary-prefix:
    description: Operation summaries must start with 'Apigee'.
    severity: warn
    given: $.paths[*][get,post,put,patch,delete]
    then:
      field: summary
      function: pattern
      functionOptions:
        match: ^Apigee
  operation-id-required:
    description: Every operation must have an operationId.
    severity: error
    given: $.paths[*][get,post,put,patch,delete]
    then:
      field: operationId
      function: truthy
  operation-id-camelcase:
    description: OperationId must use camelCase.
    severity: warn
    given: $.paths[*][get,post,put,patch,delete]
    then:
      field: operationId
      function: pattern
      functionOptions:
        match: ^[a-z][a-zA-Z0-9]*$
  operation-tags-required:
    description: Every operation must have at least one tag.
    severity: warn
    given: $.paths[*][get,post,put,patch,delete]
    then:
      field: tags
      function: truthy
  parameter-description-required:
    description: All parameters must have a description.
    severity: warn
    given: $.paths[*][get,post,put,patch,delete].parameters[*]
    then:
      field: description
      function: truthy
  response-success-required:
    description: Every operation must have a 2xx response.
    severity: error
    given: $.paths[*][get,post,put,patch,delete].responses
    then:
      function: schema
      functionOptions:
        schema:
          anyOf:
          - required:
            - '200'
          - required:
            - '201'
          - required:
            - '204'
  delete-returns-200-or-204:
    description: DELETE operations should return 200 or 204.
    severity: warn
    given: $.paths[*].delete.responses
    then:
      function: schema
      functionOptions:
        schema:
          anyOf:
          - required:
            - '200'
          - required:
            - '204'
  schema-property-description:
    description: Schema properties should have descriptions.
    severity: info
    given: $.components.schemas[*].properties[*]
    then:
      field: description
      function: truthy
  security-oauth2-required:
    description: Apigee APIs must define OAuth2 security.
    severity: error
    given: $.components.securitySchemes
    then:
      function: truthy
  path-params-casing:
    description: Path parameters should be camelCase (the dominant convention in this API).
    severity: warn
    given: $.paths[*].parameters[?(@.in=='path')].name
    then:
      function: casing
      functionOptions:
        type: camel
  query-params-casing:
    description: Query parameters should be camelCase (the dominant convention in this API).
    severity: warn
    given: $.paths[*][get,post,put,patch,delete].parameters[?(@.in=='query')]
    then:
      field: name
      function: casing
      functionOptions:
        type: camel
  operationid-casing:
    description: Operation IDs should be camelCase (the dominant convention in this API).
    severity: warn
    given: $.paths[*][get,post,put,patch,delete].operationId
    then:
      function: casing
      functionOptions:
        type: camel
  schema-names-casing:
    description: Component schema names should be PascalCase (the dominant convention in this API).
    severity: warn
    given: $.components.schemas
    then:
      field: '@key'
      function: casing
      functionOptions:
        type: pascal
  schema-properties-casing:
    description: Schema properties should be camelCase (the dominant convention in this API).
    severity: info
    given: $.components.schemas[*].properties
    then:
      field: '@key'
      function: pattern
      functionOptions:
        match: ^[a-z][A-Za-z0-9]*$
  error-schema-defined:
    description: A shared error schema (Error) should be defined for error payloads.
    severity: warn
    given: $.components.schemas
    then:
      field: Error
      function: truthy
  operation-documents-401:
    description: Operations should document a 401 response (documented on 100% of this API's operations).
    severity: warn
    given: $.paths[*][get,post,put,patch,delete].responses
    then:
      field: '401'
      function: truthy
  operation-documents-403:
    description: Operations should document a 403 response (documented on 100% of this API's operations).
    severity: warn
    given: $.paths[*][get,post,put,patch,delete].responses
    then:
      field: '403'
      function: truthy
  no-empty-descriptions:
    description: Descriptions must not be empty strings.
    severity: warn
    given: $..description
    then:
      function: truthy