module PlainApm
  module Hooks
    # Rails 7 error notification mechanism
    class ErrorReporter
      include EventAttributes

      def install
        begin
          require "active_support/error_reporter"
          require "active_support/lazy_load_hooks"
        rescue LoadError
          return
        end

        # Install the hook when the app is up. This might miss errors that
        # happen before that, but that's OK.
        ::ActiveSupport.on_load(:after_initialize, yield: self, run_once: true) do
          ::Rails.error.subscribe(self)
        end
      end

      def collect(e, handled:, severity:, context: {})
        source, event = attributes_from_exception(e, context)

        return if event.nil?

        event["source"] = source
        event["name"] = "error_reporter"

        PlainApm::Agent.collect(event)
      end

      alias_method :report, :collect
    end
  end
end