module Bugsnag::Middleware
  class ExceptionMetaData
    def initialize(bugsnag)
      @bugsnag = bugsnag
    end

    def call(report)
      # Apply the user's information attached to the exceptions
      report.raw_exceptions.each do |exception|
        if exception.class.include?(Bugsnag::MetaData)
          if exception.bugsnag_user_id.is_a?(String)
            report.user = {id: exception.bugsnag_user_id}
          end

          if exception.bugsnag_context.is_a?(String)
            report.context = exception.bugsnag_context
          end

          if exception.bugsnag_grouping_hash.is_a?(String)
            report.grouping_hash = exception.bugsnag_grouping_hash
          end

          if exception.respond_to?(:bugsnag_meta_data) && exception.bugsnag_meta_data
            exception.bugsnag_meta_data.each do |key, value|
              report.add_tab key, value
            end
          end
        end
      end

      @bugsnag.call(report)
    end
  end
end