extends:
  - spectral:oas
rules:
  mercado-pago-title-case-summary:
    description: All operation summaries must use Title Case.
    message: Operation summary "{{value}}" should use Title Case.
    severity: warn
    given: $.paths[*][get,post,put,delete,patch].summary
    then:
      function: pattern
      functionOptions:
        match: "^([A-Z][a-zA-Z0-9]*)(\\s+(A|An|And|As|At|But|By|For|In|Of|On|Or|The|To|Vs|Via|With|[A-Z][a-zA-Z0-9]*))*$"

  mercado-pago-operation-id-required:
    description: All operations must define an operationId.
    severity: error
    given: $.paths[*][get,post,put,delete,patch]
    then:
      field: operationId
      function: truthy

  mercado-pago-operation-tag-required:
    description: Every operation must be tagged.
    severity: error
    given: $.paths[*][get,post,put,delete,patch]
    then:
      field: tags
      function: truthy

  mercado-pago-bearer-security:
    description: Bearer security must be defined at the document root.
    severity: error
    given: $
    then:
      field: security
      function: truthy

  mercado-pago-server-https:
    description: Every server URL must use HTTPS.
    severity: error
    given: $.servers[*].url
    then:
      function: pattern
      functionOptions:
        match: "^https://"

  mercado-pago-idempotency-key-on-mutations:
    description: POST / PUT operations should document an X-Idempotency-Key header.
    severity: warn
    given: $.paths[*][post,put].description
    then:
      function: pattern
      functionOptions:
        match: "idempoten"

  mercado-pago-no-trailing-slash:
    description: Paths must not end with a trailing slash.
    severity: error
    given: $.paths
    then:
      function: pattern
      functionOptions:
        match: "^(?!.*\\/$).+"
        property: "@key"

  mercado-pago-error-responses:
    description: Mutating operations should declare at least one 4xx response.
    severity: warn
    given: $.paths[*][post,put,delete].responses
    then:
      function: schema
      functionOptions:
        schema:
          type: object
          patternProperties:
            "^4[0-9][0-9]$":
              type: object
          minProperties: 1