extends: spectral:oas
rules:
  rawg-operation-summary-title-case:
    description: All operation summaries must use Title Case
    message: "Summary '{{value}}' must be Title Case"
    given: "$.paths[*][*].summary"
    severity: warn
    then:
      function: pattern
      functionOptions:
        match: "^([A-Z][a-z0-9]*([ ][A-Z][a-z0-9]*)*|[A-Z]+)$"

  rawg-operation-must-have-tags:
    description: Every operation must have at least one tag
    message: Operations must include at least one tag
    given: "$.paths[*][*]"
    severity: error
    then:
      field: tags
      function: truthy

  rawg-path-kebab-case:
    description: Path segments should use kebab-case
    message: "Path '{{path}}' should use kebab-case segments"
    given: "$.paths[*]~"
    severity: warn
    then:
      function: pattern
      functionOptions:
        match: "^(\\/([a-z][a-z0-9-]*|\\{[a-zA-Z_]+\\}))+$"

  rawg-apikey-required:
    description: All operations must declare the key query parameter
    message: Operations must include the API key query parameter
    given: "$.paths[*][get].parameters[*]"
    severity: warn
    then:
      function: schema
      functionOptions:
        schema:
          type: object
          if:
            properties:
              name:
                const: key
          then:
            properties:
              in:
                const: query

  rawg-responses-200-required:
    description: All GET operations must define a 200 response
    message: GET operations must have a 200 response defined
    given: "$.paths[*].get"
    severity: error
    then:
      field: responses.200
      function: truthy

  rawg-pagination-parameters:
    description: List operations should support page and page_size parameters
    message: List operations should include pagination parameters
    given: "$.paths[*].get"
    severity: info
    then:
      function: schema
      functionOptions:
        schema:
          type: object
          properties:
            operationId:
              pattern: "_list$"

  rawg-no-trailing-slash:
    description: Paths must not have trailing slashes
    message: "Path '{{path}}' must not have a trailing slash"
    given: "$.paths[*]~"
    severity: warn
    then:
      function: pattern
      functionOptions:
        notMatch: "\\/$"

  rawg-operationid-consistent-naming:
    description: OperationIds should follow provider pattern of resource_action
    message: "OperationId '{{value}}' should follow the pattern resource_action"
    given: "$.paths[*][*].operationId"
    severity: info
    then:
      function: pattern
      functionOptions:
        match: "^[a-z][a-z0-9-]*_[a-z][a-z0-9-]*"