extends: spectral:oas
rules:
  # TomTom uses API key authentication
  tomtom-api-key-required:
    description: All TomTom API operations must use API key authentication
    message: API key query parameter 'key' must be defined
    severity: error
    given: "$.components.securitySchemes"
    then:
      function: defined

  # Version number must be in path
  tomtom-version-in-path:
    description: TomTom API paths must include a version number
    message: Path should include version number (e.g., /routing/{versionNumber}/)
    severity: warn
    given: "$.paths[*]~"
    then:
      function: pattern
      functionOptions:
        match: ".*\\{versionNumber\\}.*"

  # All operations must have operationId
  tomtom-operation-id-required:
    description: All operations must have an operationId
    message: Operation is missing an operationId
    severity: error
    given: "$.paths[*][get,post,put,patch,delete]"
    then:
      field: operationId
      function: defined

  # OperationIds must use camelCase
  tomtom-operation-id-camelcase:
    description: OperationIds must use camelCase
    message: "{{property}} operationId should use camelCase"
    severity: warn
    given: "$.paths[*][*].operationId"
    then:
      function: pattern
      functionOptions:
        match: "^[a-z][a-zA-Z0-9]*$"

  # All operations must have tags
  tomtom-tags-required:
    description: All operations must be tagged
    message: Operation is missing tags
    severity: warn
    given: "$.paths[*][get,post,put,patch,delete]"
    then:
      field: tags
      function: defined

  # Summaries must use Title Case
  tomtom-summary-title-case:
    description: Operation summaries must use Title Case
    message: "{{value}} summary should use Title Case"
    severity: warn
    given: "$.paths[*][get,post,put,patch,delete].summary"
    then:
      function: pattern
      functionOptions:
        match: "^[A-Z][A-Za-z0-9 ()-]*$"

  # Content type path parameters must specify format
  tomtom-content-type-param:
    description: Response format path parameters must restrict to valid formats
    message: Content type path parameter should use enum values
    severity: info
    given: "$.paths[*][get,post].parameters[?(@.name == 'contentType' || @.name == 'format' || @.name == 'ext')]"
    then:
      field: schema.enum
      function: defined

  # Response success codes defined
  tomtom-success-response:
    description: Operations must define a 200 success response
    message: Operation should define a 200 success response
    severity: warn
    given: "$.paths[*][get,post].responses"
    then:
      function: schema
      functionOptions:
        schema:
          required: ["200"]