class Cucumber::Formatter::Pretty

def after_background(background)
  @in_background = nil
  @io.puts
  @io.flush
end

def after_feature_element(feature_element)
  @io.puts
  @io.flush
end

def after_features(features)
  print_summary(features) unless @options[:autoformat]
end

def after_multiline_arg(multiline_arg)
  @table = nil
end

def after_outline_table(outline_table)
  @table = nil
  @indent = 4
end

def after_table_cell(cell)
  return unless @table
  @col_index += 1
end

def after_table_row(table_row)
  return if !@table || @hide_this_step
  print_table_row_messages
  @io.puts
  if table_row.exception && !@exceptions.include?(table_row.exception)
    print_exception(table_row.exception, table_row.status, @indent)
  end
end

def after_tags(tags)
  if @indent == 1
    @io.puts
    @io.flush
  end
end

def background_name(keyword, name, file_colon_line, source_indent)        
  print_feature_element_name(keyword, name, file_colon_line, source_indent)
end

def before_background(background)
  @indent = 2
  @scenario_indent = 2
  @in_background = true
end

def before_examples_array(examples_array)
  @indent = 4
  @io.puts
  @visiting_first_example_name = true
end

def before_feature(feature)
  @exceptions = []
  @indent = 0
  if @options[:autoformat]
    file = File.join(@options[:autoformat], feature.file)
    dir = File.dirname(file)
    mkdir_p(dir) unless File.directory?(dir)
    @io = ensure_file(file, "pretty")
  end
end

def before_feature_element(feature_element)
  @indent = 2
  @scenario_indent = 2
end

def before_multiline_arg(multiline_arg)
  return if @options[:no_multiline] || @hide_this_step
  @table = multiline_arg
end

def before_outline_table(outline_table)
  @table = outline_table
end

def before_step(step)
  @current_step = step
  @indent = 6
end

def before_step_result(keyword, step_match, multiline_arg, status, exception, source_indent, background)
  @hide_this_step = false
  if exception
    if @exceptions.include?(exception)
      @hide_this_step = true
      return
    end
    @exceptions << exception
  end
  if status != :failed && @in_background ^ background
    @hide_this_step = true
    return
  end
  @status = status
end

def before_table_row(table_row)
  return if !@table || @hide_this_step
  @col_index = 0
  @io.print '  |'.indent(@indent-2)
end

def cell_prefix(status)
  @prefixes[status]
end

def comment_line(comment_line)
  @io.puts(comment_line.indent(@indent))
  @io.flush
end

def doc_string(string)
  return if @hide_this_step
  s = %{"""\n#{string}\n"""}.indent(@indent)
  s = s.split("\n").map{|l| l =~ /^\s+$/ ? '' : l}.join("\n")
  @io.puts(format_string(s, @current_step.status))
  @io.flush
end

def examples_name(keyword, name)
  @io.puts unless @visiting_first_example_name
  @visiting_first_example_name = false
  names = name.strip.empty? ? [name.strip] : name.split("\n")
  @io.puts("    #{keyword}: #{names[0]}")
  names[1..-1].each {|s| @io.puts "      #{s}" } unless names.empty?
  @io.flush
  @indent = 6
  @scenario_indent = 6
end

def exception(exception, status)
  return if @hide_this_step
  print_exception(exception, status, @indent)
  @io.flush
end

def feature_name(keyword, name)
  @io.puts("#{keyword}: #{name}")
  @io.puts
  @io.flush
end

def initialize(step_mother, path_or_io, options)
  @step_mother, @io, @options = step_mother, ensure_io(path_or_io, "pretty"), options
  @exceptions = []
  @indent = 0
  @prefixes = options[:prefixes] || {}
  @delayed_messages = []
end

def print_feature_element_name(keyword, name, file_colon_line, source_indent)
  @io.puts if @scenario_indent == 6
  names = name.empty? ? [name] : name.split("\n")
  line = "#{keyword}: #{names[0]}".indent(@scenario_indent)
  @io.print(line)
  if @options[:source]
    line_comment = " # #{file_colon_line}".indent(source_indent)
    @io.print(format_string(line_comment, :comment))
  end
  @io.puts
  names[1..-1].each {|s| @io.puts "    #{s}"}
  @io.flush        
end

def print_summary(features)
  print_stats(features, @options)
  print_snippets(@options)
  print_passing_wip(@options)
end

def scenario_name(keyword, name, file_colon_line, source_indent)
  print_feature_element_name(keyword, name, file_colon_line, source_indent)
end

def step_name(keyword, step_match, status, source_indent, background)
  return if @hide_this_step
  source_indent = nil unless @options[:source]
  name_to_report = format_step(keyword, step_match, status, source_indent)
  @io.puts(name_to_report.indent(@scenario_indent + 2))
  print_messages
end

def table_cell_value(value, status)
  return if !@table || @hide_this_step
  status ||= @status || :passed
  width = @table.col_width(@col_index)
  cell_text = escape_cell(value.to_s || '')
  padded = cell_text + (' ' * (width - cell_text.unpack('U*').length))
  prefix = cell_prefix(status)
  @io.print(' ' + format_string("#{prefix}#{padded}", status) + ::Term::ANSIColor.reset(" |"))
  @io.flush
end

def tag_name(tag_name)
  tag = format_string(tag_name, :tag).indent(@indent)
  @io.print(tag)
  @io.flush
  @indent = 1
end