class RSpec::Core::Formatters::ExceptionPresenter::Factory

def build
  ExceptionPresenter.new(@exception, @example, options)
end

def initialize(example)
  @example          = example
  @execution_result = example.execution_result
  @exception        = if @execution_result.status == :pending
                        @execution_result.pending_exception
                      else
                        @execution_result.exception
                      end
end

def multiple_exception_summarizer(exception, prior_detail_formatter, color)
  lambda do |example, colorizer|
    summary = if exception.aggregation_metadata[:hide_backtrace]
                # Since the backtrace is hidden, the subfailures will come
                # immediately after this, and using `:` will read well.
                "Got #{exception.exception_count_description}:"
              else
                # The backtrace comes after this, so using a `:` doesn't make sense
                # since the failures may be many lines below.
                "#{exception.summary}."
              end
    summary = colorizer.wrap(summary, color || RSpec.configuration.failure_color)
    return summary unless prior_detail_formatter
    [
      prior_detail_formatter.call(example, colorizer),
      summary
    ]
  end
end

def multiple_exceptions_error?(exception)
  MultipleExceptionError::InterfaceTag === exception
end

def options
  with_multiple_error_options_as_needed(@exception, pending_options || {})
end

def pending_options
  if @execution_result.pending_fixed?
    {
      :description   => "#{@example.full_description} FIXED",
      :message_color => RSpec.configuration.fixed_color,
      :failure_lines => [
        "Expected pending '#{@execution_result.pending_message}' to fail. No Error was raised."
      ]
    }
  elsif @execution_result.status == :pending
    {
      :message_color    => RSpec.configuration.pending_color,
      :detail_formatter => PENDING_DETAIL_FORMATTER
    }
  end
end

def sub_failure_list_formatter(exception, message_color)
  common_backtrace_truncater = CommonBacktraceTruncater.new(exception)
  lambda do |failure_number, colorizer|
    FlatMap.flat_map(exception.all_exceptions.each_with_index) do |failure, index|
      options = with_multiple_error_options_as_needed(
        failure,
        :description             => nil,
        :indentation             => 0,
        :message_color           => message_color || RSpec.configuration.failure_color,
        :skip_shared_group_trace => true
      )
      failure   = common_backtrace_truncater.with_truncated_backtrace(failure)
      presenter = ExceptionPresenter.new(failure, @example, options)
      presenter.fully_formatted_lines("#{failure_number}.#{index + 1}", colorizer)
    end
  end
end

def with_multiple_error_options_as_needed(exception, options)
  return options unless multiple_exceptions_error?(exception)
  options = options.merge(
    :failure_lines          => [],
    :extra_detail_formatter => sub_failure_list_formatter(exception, options[:message_color]),
    :detail_formatter       => multiple_exception_summarizer(exception,
                                                             options[:detail_formatter],
                                                             options[:message_color])
  )
  return options unless exception.aggregation_metadata[:hide_backtrace]
  options[:backtrace_formatter] = EmptyBacktraceFormatter
  options
end