module Cucumber::Formatter::Console

def embed(file, mime_type, label)
  # no-op
end

def empty_messages
  @delayed_messages = []
end

def format_for(*keys)
  key = keys.join('_').to_sym
  fmt = FORMATS[key]
  raise "No format for #{key.inspect}: #{FORMATS.inspect}" if fmt.nil?
  fmt
end

def format_step(keyword, step_match, status, source_indent)
  comment = if source_indent
    c = (' # ' + step_match.file_colon_line).indent(source_indent)
    format_string(c, :comment)
  else
    ''
  end
  format = format_for(status, :param)
  line = keyword + step_match.format_args(format) + comment
  format_string(line, status)
end

def format_string(o, status)
  fmt = format_for(status)
  o.to_s.split("\n").map do |line|
    if Proc === fmt
      fmt.call(line)
    else
      fmt % line
    end
  end.join("\n")
end

def linebreaks(s, max)
  s.gsub(/.{1,#{max}}(?:\s|\Z)/){($& + 5.chr).gsub(/\n\005/,"\n").gsub(/\005/,"\n")}.rstrip
end

def print_elements(elements, status, kind)
  if elements.any?
    @io.puts(format_string("(::) #{status} #{kind} (::)", status))
    @io.puts
    @io.flush
  end
  elements.each_with_index do |element, i|
    if status == :failed
      print_exception(element.exception, status, 0)
    else
      @io.puts(format_string(element.backtrace_line, status))
    end
    @io.puts
    @io.flush
  end
end

def print_exception(e, status, indent)
  message = "#{e.message} (#{e.class})"
  if ENV['CUCUMBER_TRUNCATE_OUTPUT']
    message = linebreaks(message, ENV['CUCUMBER_TRUNCATE_OUTPUT'].to_i)
  end
  string = "#{message}\n#{e.backtrace.join("\n")}".indent(indent)
  @io.puts(format_string(string, status))
end

def print_message(message)
  @io.puts(format_string(message, :tag).indent(@indent))
  @io.flush
end

def print_messages
  @delayed_messages.each {|message| print_message(message)}
  empty_messages
end

def print_passing_wip(options)
  return unless options[:wip]
  passed = step_mother.scenarios(:passed)
  if passed.any?
    @io.puts format_string("\nThe --wip switch was used, so I didn't expect anything to pass. These scenarios passed:", :failed)
    print_elements(passed, :passed, "scenarios")
  else
    @io.puts format_string("\nThe --wip switch was used, so the failures were expected. All is good.\n", :passed)
  end
end

def print_snippets(options)
  return unless options[:snippets]
  undefined = step_mother.steps(:undefined)
  return if undefined.empty?
  
  unknown_programming_language = step_mother.unknown_programming_language?
  snippets = undefined.map do |step|
    step_name = Undefined === step.exception ? step.exception.step_name : step.name
    step_multiline_class = step.multiline_arg ? step.multiline_arg.class : nil
    snippet = @step_mother.snippet_text(step.actual_keyword, step_name, step_multiline_class)
    snippet
  end.compact.uniq
  text = "\nYou can implement step definitions for undefined steps with these snippets:\n\n"
  text += snippets.join("\n\n")
  @io.puts format_string(text, :undefined)
  if unknown_programming_language
    @io.puts format_string("\nIf you want snippets in a different programming language,\n" +
            "just make sure a file with the appropriate file extension\n" +
            "exists where cucumber looks for step definitions.", :failed)
  end
  @io.puts
  @io.flush
end

def print_stats(features, options)
  @failures = step_mother.scenarios(:failed).select { |s| s.is_a?(Cucumber::Ast::Scenario) || s.is_a?(Cucumber::Ast::OutlineTable::ExampleRow) }
  @failures.collect! { |s| (s.is_a?(Cucumber::Ast::OutlineTable::ExampleRow)) ? s.scenario_outline : s }
  if !@failures.empty?          
    @io.puts format_string("Failing Scenarios:", :failed)
    @failures.each do |failure|
      profiles_string = options.custom_profiles.empty? ? '' : (options.custom_profiles.map{|profile| "-p #{profile}" }).join(' ') + ' '
      source = options[:source] ? format_string(" # Scenario: " + failure.name, :comment) : ''
      @io.puts format_string("cucumber #{profiles_string}" + failure.file_colon_line, :failed) + source
    end
    @io.puts
  end
  @io.puts scenario_summary(step_mother) {|status_count, status| format_string(status_count, status)}
  @io.puts step_summary(step_mother) {|status_count, status| format_string(status_count, status)}
  @io.puts(format_duration(features.duration)) if features && features.duration
  @io.flush
end

def print_steps(status)
  print_elements(step_mother.steps(status), status, 'steps')
end

def print_table_row_messages
  return if @delayed_messages.empty?
  @io.print(format_string(@delayed_messages.join(', '), :tag).indent(2))
  @io.flush
  empty_messages
end

def puts(*messages)
  if @delayed_messages
    @delayed_messages += messages
  else
    if @io
      @io.puts
      messages.each do |message|
        @io.puts(format_string(message, :tag))
      end
      @io.flush
    end
  end
end