class RSpec::Core::Formatters::HtmlFormatter

def dump_summary(summary)
  @printer.print_summary(
    summary.duration,
    summary.example_count,
    summary.failure_count,
    summary.pending_count
  )
  @printer.flush
end

def example_failed(failure)
  @failed_examples << failure.example
  unless @header_red
    @header_red = true
    @printer.make_header_red
  end
  unless @example_group_red
    @example_group_red = true
    @printer.make_example_group_header_red(example_group_number)
  end
  @printer.move_progress(percent_done)
  example = failure.example
  exception = failure.exception
  exception_details = if exception
                        {
                          :message => exception.message,
                          :backtrace => failure.formatted_backtrace.join("\n")
                        }
                      else
                        false
                      end
  extra = extra_failure_content(failure)
  @printer.print_example_failed(
    example.execution_result.pending_fixed,
    example.description,
    example.execution_result.run_time,
    @failed_examples.size,
    exception_details,
    (extra == "") ? false : extra,
    true
  )
  @printer.flush
end

def example_group_number
  @example_group_number
end

def example_group_started(notification)
  super
  @example_group_red = false
  @example_group_number += 1
  @printer.print_example_group_end unless example_group_number == 1
  @printer.print_example_group_start(example_group_number, notification.group.description, notification.group.parent_groups.size)
  @printer.flush
end

def example_number
  @example_number
end

def example_passed(passed)
  @printer.move_progress(percent_done)
  @printer.print_example_passed(passed.example.description, passed.example.execution_result.run_time)
  @printer.flush
end

def example_pending(pending)
  example = pending.example
  @printer.make_header_yellow unless @header_red
  @printer.make_example_group_header_yellow(example_group_number) unless @example_group_red
  @printer.move_progress(percent_done)
  @printer.print_example_pending(example.description, example.execution_result.pending_message)
  @printer.flush
end

def example_started(_notification)
  @example_number += 1
end

def extra_failure_content(failure)
  RSpec::Support.require_rspec_core "formatters/snippet_extractor"
  backtrace = failure.exception.backtrace.map { |line| RSpec.configuration.backtrace_formatter.backtrace_line(line) }
  backtrace.compact!
  @snippet_extractor ||= SnippetExtractor.new
  "    <pre class=\"ruby\"><code>#{@snippet_extractor.snippet(backtrace)}</code></pre>"
end

def initialize(output)
  super(output)
  @failed_examples = []
  @example_group_number = 0
  @example_number = 0
  @header_red = nil
  @printer = HtmlPrinter.new(output)
end

def percent_done
  result = 100.0
  if @example_count > 0
    result = (((example_number).to_f / @example_count.to_f * 1000).to_i / 10.0).to_f
  end
  result
end

def start(notification)
  super
  @printer.print_html_start
  @printer.flush
end

def start_dump(_notification)
  @printer.print_example_group_end
  @printer.flush
end