rules:
  # ROOT LEVEL — REQUIRED FIELDS
  root-name-required:
    description: APIs.json root must have a name field
    severity: error
    given: "$"
    then:
      field: name
      function: truthy

  root-description-required:
    description: APIs.json root must have a description field
    severity: error
    given: "$"
    then:
      field: description
      function: truthy

  root-url-required:
    description: APIs.json root must have a url field pointing to the file location
    severity: error
    given: "$"
    then:
      field: url
      function: truthy

  root-url-https:
    description: APIs.json root url should use HTTPS
    severity: warn
    given: "$.url"
    then:
      function: pattern
      functionOptions:
        match: "^https://"

  root-created-required:
    description: APIs.json root must have a created date
    severity: error
    given: "$"
    then:
      field: created
      function: truthy

  root-modified-required:
    description: APIs.json root must have a modified date
    severity: error
    given: "$"
    then:
      field: modified
      function: truthy

  root-specification-version-required:
    description: APIs.json root must have a specificationVersion field
    severity: error
    given: "$"
    then:
      field: specificationVersion
      function: truthy

  root-aid-recommended:
    description: APIs.json root should have an aid (unique identifier) field
    severity: warn
    given: "$"
    then:
      field: aid
      function: truthy

  root-aid-format:
    description: APIs.json aid should follow the format domain:string
    severity: warn
    given: "$.aid"
    then:
      function: pattern
      functionOptions:
        match: "^[a-z0-9.-]+:[a-z0-9._-]+$"

  root-maintainers-recommended:
    description: APIs.json root should have maintainers defined
    severity: warn
    given: "$"
    then:
      field: maintainers
      function: truthy

  root-tags-recommended:
    description: APIs.json root should have tags for discoverability
    severity: info
    given: "$"
    then:
      field: tags
      function: truthy

  root-image-recommended:
    description: APIs.json root should have an image URL for visual representation
    severity: info
    given: "$"
    then:
      field: image
      function: truthy

  # MAINTAINERS
  maintainer-fn-required:
    description: Maintainer entries must have an FN (full name) field
    severity: error
    given: "$.maintainers[*]"
    then:
      field: FN
      function: truthy

  maintainer-fn-not-empty:
    description: Maintainer FN must not be empty
    severity: error
    given: "$.maintainers[*].FN"
    then:
      function: minLength
      functionOptions:
        limit: 1

  maintainer-email-format:
    description: Maintainer email should be a valid email format
    severity: warn
    given: "$.maintainers[*].email"
    then:
      function: pattern
      functionOptions:
        match: "^[^@]+@[^@]+\\.[^@]+$"

  # APIs ENTRIES
  api-aid-required:
    description: Each API entry must have an aid (unique identifier)
    severity: error
    given: "$.apis[*]"
    then:
      field: aid
      function: truthy

  api-aid-format:
    description: API aid should follow the format domain:string
    severity: warn
    given: "$.apis[*].aid"
    then:
      function: pattern
      functionOptions:
        match: "^[a-z0-9.-]+:[a-z0-9._-]+$"

  api-name-required:
    description: Each API entry must have a name
    severity: error
    given: "$.apis[*]"
    then:
      field: name
      function: truthy

  api-description-required:
    description: Each API entry must have a description
    severity: error
    given: "$.apis[*]"
    then:
      field: description
      function: truthy

  api-description-min-length:
    description: API description should be descriptive (at least 20 characters)
    severity: warn
    given: "$.apis[*].description"
    then:
      function: minLength
      functionOptions:
        limit: 20

  api-human-url-required:
    description: Each API entry should have a humanURL
    severity: warn
    given: "$.apis[*]"
    then:
      field: humanURL
      function: truthy

  api-human-url-https:
    description: API humanURL should use HTTPS
    severity: warn
    given: "$.apis[*].humanURL"
    then:
      function: pattern
      functionOptions:
        match: "^https://"

  api-base-url-https:
    description: API baseURL should use HTTPS
    severity: warn
    given: "$.apis[*].baseURL"
    then:
      function: pattern
      functionOptions:
        match: "^https://"

  api-tags-recommended:
    description: Each API entry should have tags for discoverability
    severity: info
    given: "$.apis[*]"
    then:
      field: tags
      function: truthy

  api-properties-recommended:
    description: Each API entry should have at least one property
    severity: warn
    given: "$.apis[*]"
    then:
      field: properties
      function: truthy

  # COMMON PROPERTIES
  common-website-recommended:
    description: Common properties should include a Website entry
    severity: info
    given: "$.common"
    then:
      function: truthy

  # PROPERTY ENTRIES
  property-type-required:
    description: Each property entry must have a type field
    severity: error
    given: "$..properties[*]"
    then:
      field: type
      function: truthy

  property-url-or-data-required:
    description: Each property entry must have either a url or data field
    severity: error
    given: "$..properties[*]"
    then:
      function: truthy

  property-url-https:
    description: Property URLs should use HTTPS
    severity: warn
    given: "$..properties[*].url"
    then:
      function: pattern
      functionOptions:
        match: "^https://"

  # GENERAL QUALITY
  no-empty-names:
    description: Name fields must not be empty strings
    severity: error
    given: "$..name"
    then:
      function: pattern
      functionOptions:
        match: ".+"

  no-empty-descriptions:
    description: Description fields must not be empty strings
    severity: error
    given: "$..description"
    then:
      function: pattern
      functionOptions:
        match: ".+"

  specification-version-current:
    description: specificationVersion should use the latest stable version (0.19)
    severity: info
    given: "$.specificationVersion"
    then:
      function: pattern
      functionOptions:
        match: "^0\\.(1[5-9]|[2-9][0-9])"

  documentation-property-recommended:
    description: APIs should have a Documentation property for human-readable reference
    severity: info
    given: "$.apis[*].properties[*].type"
    then:
      function: enumeration
      functionOptions:
        values:
          - Documentation
          - APIReference

  openapi-property-recommended:
    description: APIs should have an OpenAPI property for machine-readable interface definition
    severity: info
    given: "$.apis[*].properties[*].type"
    then:
      function: enumeration
      functionOptions:
        values:
          - OpenAPI
          - Swagger
          - AsyncAPI