extends: spectral:oas
rules:
  simscale-operation-summary-title-case:
    description: All operation summaries must use Title Case.
    message: 'Summary "{{value}}" must use Title Case.'
    severity: warn
    given: '$.paths[*][*].summary'
    then:
      function: pattern
      functionOptions:
        match: '^[A-Z][a-z]+(\s[A-Z][a-z]+)*$'

  simscale-operation-ids-camel-case:
    description: Operation IDs should use camelCase.
    message: 'OperationId "{{value}}" should be camelCase.'
    severity: warn
    given: '$.paths[*][*].operationId'
    then:
      function: pattern
      functionOptions:
        match: '^[a-z][a-zA-Z0-9]+$'

  simscale-api-key-required:
    description: All operations must use X-API-KEY authentication.
    message: Operation must declare ApiKeyAuth security.
    severity: warn
    given: '$.paths[*][*]'
    then:
      field: security
      function: defined

  simscale-path-v0-prefix:
    description: All paths must be prefixed with /v0/.
    message: 'Path "{{value}}" must start with /v0/.'
    severity: error
    given: '$.paths[*]~'
    then:
      function: pattern
      functionOptions:
        match: '^/v0/'

  simscale-response-200-or-201:
    description: Successful operations must define 200 or 201 response.
    message: Operation must define a 200 or 201 success response.
    severity: error
    given: '$.paths[*][*].responses'
    then:
      function: schema
      functionOptions:
        schema:
          anyOf:
          - required: ['200']
          - required: ['201']

  simscale-description-required:
    description: All operations must have a description.
    message: Operation must include a description.
    severity: warn
    given: '$.paths[*][*]'
    then:
      field: description
      function: defined

  simscale-tags-required:
    description: All operations must include at least one tag.
    message: Operation must include at least one tag.
    severity: warn
    given: '$.paths[*][*]'
    then:
      field: tags
      function: defined

  simscale-path-params-described:
    description: All path parameters must have descriptions.
    message: Path parameter must have a description.
    severity: warn
    given: '$.paths[*][*].parameters[?(@.in == "path")]'
    then:
      field: description
      function: defined

  simscale-schemas-use-camel-case:
    description: Schema property names should use camelCase (SimScale SDK convention).
    message: 'Schema property "{{value}}" should use camelCase.'
    severity: info
    given: '$.components.schemas[*].properties[*]~'
    then:
      function: pattern
      functionOptions:
        match: '^[a-z][a-zA-Z0-9]*$'