module Dependabot

def self.fetcher_error_details(error)
  case error
  when Dependabot::ToolVersionNotSupported
    {
      "error-type": "tool_version_not_supported",
      "error-detail": {
        "tool-name": error.tool_name,
        "detected-version": error.detected_version,
        "supported-versions": error.supported_versions
      }
    }
  when Dependabot::ToolFeatureNotSupported
    {
      "error-type": "tool_feature_not_supported",
      "error-detail": {
        "tool-name": error.tool_name,
        "tool-type": error.tool_type,
        feature: error.feature
      }
    }
  when Dependabot::BranchNotFound
    {
      "error-type": "branch_not_found",
      "error-detail": { "branch-name": error.branch_name }
    }
  when Dependabot::DirectoryNotFound
    {
      "error-type": "directory_not_found",
      "error-detail": { "directory-name": error.directory_name }
    }
  when Dependabot::RepoNotFound
    # This happens if the repo gets removed after a job gets kicked off.
    # This also happens when a configured personal access token is not authz'd to fetch files from the job repo.
    {
      "error-type": "job_repo_not_found",
      "error-detail": { message: error.message }
    }
  when Dependabot::DependencyFileNotParseable
    {
      "error-type": "dependency_file_not_parseable",
      "error-detail": {
        message: error.message,
        "file-path": error.file_path
      }
    }
  when Dependabot::DependencyFileNotFound
    {
      "error-type": "dependency_file_not_found",
      "error-detail": {
        message: error.message,
        "file-path": error.file_path
      }
    }
  when Dependabot::OutOfDisk
    {
      "error-type": "out_of_disk",
      "error-detail": {}
    }
  when Dependabot::PathDependenciesNotReachable
    {
      "error-type": "path_dependencies_not_reachable",
      "error-detail": { dependencies: error.dependencies }
    }
  when Dependabot::PrivateSourceAuthenticationFailure
    {
      "error-type": "private_source_authentication_failure",
      "error-detail": { source: error.source }
    }
  when Dependabot::PrivateSourceBadResponse
    {
      "error-type": "private_source_bad_response",
      "error-detail": { source: error.source }
    }
  when Dependabot::DependencyNotFound
    {
      "error-type": "dependency_not_found",
      "error-detail": { source: error.source }
    }
  when Octokit::Unauthorized
    { "error-type": "octokit_unauthorized" }
  when Octokit::ServerError
    # If we get a 500 from GitHub there's very little we can do about it,
    # and responsibility for fixing it is on them, not us. As a result we
    # quietly log these as errors
    { "error-type": "server_error" }
  when BadRequirementError
    {
      "error-type": "illformed_requirement",
      "error-detail": { message: error.message }
    }
  when *Octokit::RATE_LIMITED_ERRORS
    # If we get a rate-limited error we let dependabot-api handle the
    # retry by re-enqueing the update job after the reset
    {
      "error-type": "octokit_rate_limited",
      "error-detail": {
        "rate-limit-reset": T.cast(error, Octokit::Error).response_headers["X-RateLimit-Reset"]
      }
    }
  end
end