extends: [[spectral:oas, recommended]]

rules:
  # INFO / METADATA
  info-title-format:
    description: API title should start with "Amazon OpenSearch Service"
    severity: warn
    given: "$.info.title"
    then:
      function: pattern
      functionOptions:
        match: "^Amazon OpenSearch Service"

  info-description-required:
    description: Info object must have a description
    severity: error
    given: "$.info"
    then:
      field: description
      function: truthy

  info-version-required:
    description: Info object must have a version
    severity: error
    given: "$.info"
    then:
      field: version
      function: truthy

  # OPENAPI VERSION
  openapi-version-3:
    description: OpenAPI version should be 3.x
    severity: warn
    given: "$.openapi"
    then:
      function: pattern
      functionOptions:
        match: "^3\\."

  # SERVERS
  servers-required:
    description: Servers must be defined
    severity: error
    given: "$"
    then:
      field: servers
      function: truthy

  server-https-required:
    description: Server URLs must use HTTPS
    severity: error
    given: "$.servers[*].url"
    then:
      function: pattern
      functionOptions:
        match: "^https://"

  # PATHS
  paths-kebab-case:
    description: Path segments should use kebab-case
    severity: warn
    given: "$.paths[*]~"
    then:
      function: pattern
      functionOptions:
        match: "^(/[a-z0-9][a-z0-9-]*|/\\{[a-zA-Z][a-zA-Z0-9_]*\\})*$"

  paths-no-trailing-slash:
    description: Paths should not have a trailing slash
    severity: warn
    given: "$.paths[*]~"
    then:
      function: pattern
      functionOptions:
        notMatch: "/$"

  # OPERATIONS
  operation-summary-required:
    description: Operations must have a summary
    severity: error
    given: "$.paths[*][get,post,put,patch,delete,head,options]"
    then:
      field: summary
      function: truthy

  operation-summary-company-prefix:
    description: Operation summaries should start with "Amazon OpenSearch Service"
    severity: warn
    given: "$.paths[*][get,post,put,patch,delete].summary"
    then:
      function: pattern
      functionOptions:
        match: "^Amazon OpenSearch Service"

  operation-description-required:
    description: Operations must have a description
    severity: warn
    given: "$.paths[*][get,post,put,patch,delete,head,options]"
    then:
      field: description
      function: truthy

  operation-id-required:
    description: Operations must have an operationId
    severity: error
    given: "$.paths[*][get,post,put,patch,delete,head,options]"
    then:
      field: operationId
      function: truthy

  operation-id-camel-case:
    description: OperationIds should use camelCase
    severity: warn
    given: "$.paths[*][get,post,put,patch,delete].operationId"
    then:
      function: pattern
      functionOptions:
        match: "^[a-z][a-zA-Z0-9]*$"

  operation-tags-required:
    description: Operations must have at least one tag
    severity: warn
    given: "$.paths[*][get,post,put,patch,delete,head,options]"
    then:
      field: tags
      function: truthy

  # PARAMETERS
  parameter-description-required:
    description: Parameters must have a description
    severity: warn
    given: "$.paths[*][get,post,put,patch,delete].parameters[*]"
    then:
      field: description
      function: truthy

  # RESPONSES
  response-success-required:
    description: Operations must have a success response (2xx)
    severity: error
    given: "$.paths[*][get,post,put,patch,delete].responses"
    then:
      function: schema
      functionOptions:
        schema:
          anyOf:
            - required: ["200"]
            - required: ["201"]
            - required: ["202"]
            - required: ["204"]

  response-description-required:
    description: Response objects must have a description
    severity: error
    given: "$.paths[*][get,post,put,patch,delete].responses[*]"
    then:
      field: description
      function: truthy

  # SCHEMAS
  schema-type-required:
    description: Schemas should define a type
    severity: warn
    given: "$.components.schemas[*]"
    then:
      field: type
      function: truthy

  # SECURITY
  security-scheme-defined:
    description: Security schemes must be defined in components
    severity: error
    given: "$.components"
    then:
      field: securitySchemes
      function: truthy

  # HTTP METHOD CONVENTIONS
  get-no-request-body:
    description: GET operations should not have a request body
    severity: error
    given: "$.paths[*].get"
    then:
      field: requestBody
      function: falsy

  # GENERAL QUALITY
  operation-examples-encouraged:
    description: Operations should include examples
    severity: info
    given: "$.paths[*][get,post,put,patch,delete].responses[*].content[*]"
    then:
      function: schema
      functionOptions:
        schema:
          anyOf:
            - required: ["example"]
            - required: ["examples"]