# Spectral ruleset for the Quandoo Public Partner API
# Derived from the official Quandoo Swagger specification (api.quandoo.com/swagger.json).
# Conventions observed: OpenAPI 3.0.x, /v1 version-prefixed kebab paths, camelCase
# path/query parameters and schema properties, apiKey auth via X-Quandoo-AuthToken header,
# Title Case tags, "Quandoo ..." summary prefix.
rules:

  # ── INFO / METADATA ───────────────────────────────────────────────
  info-title-quandoo:
    description: Info title should start with "Quandoo".
    severity: warn
    given: $.info.title
    then:
      function: pattern
      functionOptions:
        match: "^Quandoo"
  info-description-required:
    description: A meaningful info.description is required (min 40 chars).
    severity: warn
    given: $.info
    then:
      field: description
      function: length
      functionOptions:
        min: 40
  info-version-required:
    description: info.version must be present.
    severity: error
    given: $.info
    then:
      field: version
      function: truthy
  info-contact-required:
    description: A contact block should be present.
    severity: info
    given: $.info
    then:
      field: contact
      function: truthy

  # ── OPENAPI VERSION ───────────────────────────────────────────────
  openapi-3-required:
    description: Must be an OpenAPI 3.0.x document.
    severity: error
    given: $.openapi
    then:
      function: pattern
      functionOptions:
        match: "^3\\.0\\."

  # ── SERVERS ───────────────────────────────────────────────────────
  servers-defined:
    description: At least one server must be defined.
    severity: error
    given: $.servers
    then:
      function: truthy
  servers-https:
    description: Server URLs must use HTTPS.
    severity: error
    given: $.servers[*].url
    then:
      function: pattern
      functionOptions:
        match: "^https://"

  # ── PATHS — NAMING CONVENTIONS ────────────────────────────────────
  paths-version-prefix:
    description: Paths should be version-prefixed with /v1.
    severity: warn
    given: $.paths[*]~
    then:
      function: pattern
      functionOptions:
        match: "^/v1/"
  paths-no-trailing-slash:
    description: Paths must not end with a trailing slash.
    severity: error
    given: $.paths[*]~
    then:
      function: pattern
      functionOptions:
        notMatch: ".+/$"
  paths-kebab-or-camel-segments:
    description: Static path segments should be lowercase (kebab-case), no underscores.
    severity: warn
    given: $.paths[*]~
    then:
      function: pattern
      functionOptions:
        notMatch: "_"

  # ── OPERATIONS ────────────────────────────────────────────────────
  operation-summary-required:
    description: Every operation must have a summary.
    severity: warn
    given: $.paths[*][get,post,put,patch,delete]
    then:
      field: summary
      function: truthy
  operation-summary-quandoo-prefix:
    description: Operation summaries should start with "Quandoo".
    severity: warn
    given: $.paths[*][get,post,put,patch,delete].summary
    then:
      function: pattern
      functionOptions:
        match: "^Quandoo "
  operation-operationid-required:
    description: Every operation must declare an operationId.
    severity: error
    given: $.paths[*][get,post,put,patch,delete]
    then:
      field: operationId
      function: truthy
  operation-tags-required:
    description: Every operation must be tagged.
    severity: warn
    given: $.paths[*][get,post,put,patch,delete]
    then:
      field: tags
      function: truthy
  operation-description-encouraged:
    description: Operations should carry a description.
    severity: info
    given: $.paths[*][get,post,put,patch,delete]
    then:
      field: description
      function: truthy

  # ── TAGS ──────────────────────────────────────────────────────────
  tags-global-defined:
    description: A global tags array should be defined.
    severity: info
    given: $
    then:
      field: tags
      function: truthy
  tag-title-case:
    description: Tag names should use Title Case (no kebab-case or underscores).
    severity: warn
    given: $.tags[*].name
    then:
      function: pattern
      functionOptions:
        notMatch: "[_-]"

  # ── PARAMETERS ────────────────────────────────────────────────────
  parameter-description-required:
    description: Parameters should have descriptions.
    severity: info
    given: $.paths[*][*].parameters[*]
    then:
      field: description
      function: truthy
  parameter-camelcase:
    description: Parameter names should be camelCase (no underscores or hyphens).
    severity: warn
    given: $.paths[*][*].parameters[*].name
    then:
      function: pattern
      functionOptions:
        notMatch: "[_-]"
  parameter-apikey-not-in-query:
    description: The auth token must travel in the X-Quandoo-AuthToken header, never as a query parameter.
    severity: error
    given: $.paths[*][*].parameters[?(@.in=='query')].name
    then:
      function: pattern
      functionOptions:
        notMatch: "(?i)token|apikey|auth"

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

  # ── RESPONSES ─────────────────────────────────────────────────────
  response-2xx-required:
    description: Every operation must define a successful (2xx) response.
    severity: warn
    given: $.paths[*][get,post,put,patch,delete].responses
    then:
      function: schema
      functionOptions:
        schema:
          type: object
          patternProperties:
            "^2": {}
          minProperties: 1
  response-error-documented:
    description: Mutating operations should document a 4xx error response.
    severity: info
    given: $.paths[*][put,post,patch,delete].responses
    then:
      function: schema
      functionOptions:
        schema:
          type: object
          anyOf:
            - required: ["400"]
            - required: ["409"]
            - required: ["404"]
  response-json-content:
    description: 2xx responses with content should provide application/json.
    severity: info
    given: $.paths[*][*].responses[?(@property.match(/^2/))].content
    then:
      field: application/json
      function: truthy

  # ── SCHEMAS — PROPERTY NAMING ─────────────────────────────────────
  schema-property-camelcase:
    description: Schema properties should be camelCase (Quandoo convention).
    severity: warn
    given: $.components.schemas[*].properties[*]~
    then:
      function: pattern
      functionOptions:
        notMatch: "[_-]"
  schema-types-defined:
    description: Top-level component schemas should declare a type.
    severity: info
    given: $.components.schemas[*]
    then:
      field: type
      function: truthy

  # ── SECURITY ──────────────────────────────────────────────────────
  security-global-defined:
    description: A global security requirement must be declared.
    severity: error
    given: $
    then:
      field: security
      function: truthy
  security-scheme-quandoo-token:
    description: The API_TOKEN scheme must be an apiKey carried in the X-Quandoo-AuthToken header.
    severity: error
    given: $.components.securitySchemes.API_TOKEN
    then:
      function: schema
      functionOptions:
        schema:
          type: object
          properties:
            type: { const: apiKey }
            in: { const: header }
            name: { const: X-Quandoo-AuthToken }
          required: [type, in, name]

  # ── HTTP METHOD CONVENTIONS ───────────────────────────────────────
  get-no-request-body:
    description: GET operations must not declare a request body.
    severity: error
    given: $.paths[*].get
    then:
      field: requestBody
      function: falsy
  mutating-has-request-body:
    description: PUT/PATCH operations should declare a request body.
    severity: warn
    given: $.paths[*][put,patch]
    then:
      field: requestBody
      function: truthy

  # ── GENERAL QUALITY ───────────────────────────────────────────────
  examples-encouraged:
    description: Operations are encouraged to provide examples for mock/test tooling.
    severity: info
    given: $.paths[*][get,post,put,patch,delete]
    then:
      field: x-microcks-operation
      function: truthy