rules:
  # INFO / METADATA
  info-title-required:
    description: OpenAPI info must have a title.
    severity: error
    given: "$.info"
    then:
      field: title
      function: truthy

  info-description-required:
    description: OpenAPI info must have a description with at least 20 characters.
    severity: warn
    given: "$.info"
    then:
      field: description
      function: minLength
      functionOptions:
        min: 20

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

  # OPENAPI VERSION
  openapi-version-3:
    description: Specs must use OpenAPI 3.0.x.
    severity: error
    given: "$"
    then:
      field: openapi
      function: pattern
      functionOptions:
        match: "^3\\.0\\."

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

  servers-https-required:
    description: Server URLs must use HTTPS.
    severity: warn
    given: "$.servers[*]"
    then:
      field: url
      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,head,options]"
    then:
      field: summary
      function: truthy

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

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

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

  operation-id-pascal-case:
    description: OperationIds should use PascalCase as per AWS convention.
    severity: warn
    given: "$.paths[*][get,post,put,patch,delete,head,options].operationId"
    then:
      function: pattern
      functionOptions:
        match: "^[A-Z][a-zA-Z0-9]*$"

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

  parameter-schema-required:
    description: Every parameter must have a schema.
    severity: error
    given: "$.paths[*][get,post,put,patch,delete,head,options].parameters[*]"
    then:
      field: schema
      function: truthy

  # REQUEST BODIES
  request-body-json-content:
    description: Request bodies should use application/json content type.
    severity: warn
    given: "$.paths[*][post,put,patch].requestBody.content"
    then:
      field: application/json
      function: truthy

  # RESPONSES
  response-success-required:
    description: Every operation must define responses.
    severity: error
    given: "$.paths[*][get,post,put,patch,delete]"
    then:
      field: responses
      function: truthy

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

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

  schema-type-defined:
    description: Schema objects should have a type defined.
    severity: warn
    given: "$.components.schemas[*]"
    then:
      field: type
      function: truthy

  # SECURITY
  security-schemes-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
  no-empty-descriptions:
    description: Descriptions must not be empty strings.
    severity: warn
    given: "$..description"
    then:
      function: truthy

  microcks-operation-extension:
    description: Operations should have x-microcks-operation for mock server compatibility.
    severity: info
    given: "$.paths[*][get,post,put,patch,delete]"
    then:
      field: x-microcks-operation
      function: truthy

  cognito-scopes-documented:
    description: OAuth scopes used by Cognito User Pools should be documented in security schemes.
    severity: info
    given: "$.components.securitySchemes[*]"
    then:
      field: description
      function: truthy