rules:
  trello-operation-id-camel-case:
    description: Operation IDs must use camelCase
    message: "Operation ID '{{value}}' must use camelCase"
    severity: warn
    given: "$.paths[*][*].operationId"
    then:
      function: pattern
      functionOptions:
        match: "^[a-z][a-zA-Z0-9]*$"

  trello-summary-title-case:
    description: Operation summaries must use Title Case
    message: "Summary '{{value}}' should use Title Case"
    severity: warn
    given: "$.paths[*][*].summary"
    then:
      function: pattern
      functionOptions:
        match: "^[A-Z][a-zA-Z0-9 /()+&-]*$"

  trello-security-defined:
    description: All operations must define security requirements
    message: "Operation must define security requirements"
    severity: error
    given: "$.paths[*][get,post,put,patch,delete]"
    then:
      field: security
      function: defined

  trello-response-200-get:
    description: All GET operations must define a 200 response
    message: "GET operation must define a 200 success response"
    severity: error
    given: "$.paths[*].get"
    then:
      field: responses.200
      function: defined

  trello-tag-defined:
    description: All operations must have at least one tag
    message: "Operation must include at least one tag"
    severity: warn
    given: "$.paths[*][get,post,put,patch,delete]"
    then:
      field: tags
      function: defined

  trello-api-key-auth:
    description: Trello uses API key and token query parameter authentication
    message: "Trello auth uses apiKey and token query parameters"
    severity: info
    given: "$.components.securitySchemes"
    then:
      function: defined

  trello-path-kebab-case:
    description: API paths should use kebab-case
    message: "Path should use kebab-case"
    severity: warn
    given: "$.paths[*]~"
    then:
      function: pattern
      functionOptions:
        match: "^(/[a-z0-9][a-z0-9-]*(/[a-z0-9][a-z0-9-]*|/\\{[a-zA-Z][a-zA-Z0-9]*\\})*)+$"

  trello-response-400-defined:
    description: Operations with request bodies should define a 400 response
    message: "POST/PUT/PATCH operation should define 400 Bad Request"
    severity: warn
    given: "$.paths[*][post,put,patch]"
    then:
      field: responses.400
      function: defined

  trello-delete-response:
    description: DELETE operations should return 200 or 204
    message: "DELETE operation should define a success response"
    severity: warn
    given: "$.paths[*].delete"
    then:
      function: defined

  trello-post-request-body:
    description: POST operations that create resources should define a request body
    message: "POST operation should include a requestBody"
    severity: warn
    given: "$.paths[*].post"
    then:
      field: requestBody
      function: defined

  trello-no-query-strings-in-path:
    description: Query string parameters must not appear in path definitions
    message: "Path must not contain query strings"
    severity: error
    given: "$.paths[*]~"
    then:
      function: pattern
      functionOptions:
        notMatch: "\\?"