module Sentry::Breadcrumb::SentryLogger

def add(*args, &block)
  super
  add_breadcrumb(*args, &block)
  nil
end

def add_breadcrumb(severity, message = nil, progname = nil)
  # because the breadcrumbs now belongs to different Hub's Scope in different threads
  # we need to make sure the current thread's Hub has been set before adding breadcrumbs
  return unless Sentry.initialized? && Sentry.get_current_hub
  category = "logger"
  # this is because the nature of Ruby Logger class:
  #
  # when given 1 argument, the argument will become both message and progname
  #
  # ```
  # logger.info("foo")
  # # message == progname == "foo"
  # ```
  #
  # and to specify progname with a different message,
  # we need to pass the progname as the argument and pass the message as a proc
  #
  # ```
  # logger.info("progname") { "the message" }
  # ```
  #
  # so the condition below is to replicate the similar behavior
  if message.nil?
    if block_given?
      message = yield
      category = progname
    else
      message = progname
    end
  end
  return if ignored_logger?(progname) || message == ""
  # some loggers will add leading/trailing space as they (incorrectly, mind you)
  # think of logging as a shortcut to std{out,err}
  message = message.to_s.strip
  last_crumb = current_breadcrumbs.peek
  # try to avoid dupes from logger broadcasts
  if last_crumb.nil? || last_crumb.message != message
    level = Sentry::Breadcrumb::SentryLogger::LEVELS.fetch(severity, nil)
    crumb = Sentry::Breadcrumb.new(
      level: level,
      category: category,
      message: message,
      type: severity >= 3 ? "error" : level
    )
    Sentry.add_breadcrumb(crumb, hint: { severity: severity })
  end
end

def current_breadcrumbs
  Sentry.get_current_scope.breadcrumbs
end

def ignored_logger?(progname)
  progname == LOGGER_PROGNAME ||
    Sentry.configuration.exclude_loggers.include?(progname)
end