rules:
  # INFO / METADATA
  info-title-required:
    description: API title must be present.
    severity: error
    given: $.info
    then:
      field: title
      function: truthy

  info-title-amadeus-prefix:
    description: API title must reference Amadeus.
    severity: warn
    given: $.info.title
    then:
      function: pattern
      functionOptions:
        match: "Amadeus|amadeus"

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

  info-version-required:
    description: API version must be present.
    severity: error
    given: $.info
    then:
      field: version
      function: truthy

  # SERVERS
  servers-required:
    description: At least one server must be defined.
    severity: error
    given: $
    then:
      field: servers
      function: truthy

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

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

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

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

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

  # PARAMETERS
  parameter-description-required:
    description: Every parameter must have a description.
    severity: warn
    given: $.paths[*][*].parameters[*]
    then:
      field: description
      function: truthy

  # RESPONSES
  response-success-required:
    description: Every operation must define at least one 2xx response.
    severity: error
    given: $.paths[*][get,post,put,patch,delete].responses
    then:
      function: schema
      functionOptions:
        schema:
          type: object
          minProperties: 1

  response-401-booking:
    description: Booking operations should define a 401 response.
    severity: warn
    given: $.paths[*][post].responses
    then:
      field: '401'
      function: truthy

  response-description-required:
    description: Every response must have a description.
    severity: error
    given: $.paths[*][*].responses[*]
    then:
      field: description
      function: truthy

  # SCHEMAS
  schema-description-recommended:
    description: Top-level schemas should have descriptions.
    severity: info
    given: $.components.schemas[*]
    then:
      field: description
      function: truthy

  # SECURITY
  security-schemes-recommended:
    description: Security schemes should be defined in components.
    severity: warn
    given: $.components
    then:
      field: securitySchemes
      function: truthy

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

  delete-returns-204:
    description: DELETE operations should return 204 No Content.
    severity: info
    given: $.paths[*].delete.responses
    then:
      field: '204'
      function: truthy

  post-has-request-body:
    description: POST operations for booking creation should have a request body.
    severity: warn
    given: $.paths[*].post
    then:
      field: requestBody
      function: truthy