class RubyProf::GraphPrinter

def print_children(method)
  method.call_trees.callees.sort_by(&:total_time).reverse.each do |child|
    # Get children method

    @output << " " * 2 * PERCENTAGE_WIDTH
    @output << sprintf("%#{TIME_WIDTH}.3f", child.total_time)
    @output << sprintf("%#{TIME_WIDTH}.3f", child.self_time)
    @output << sprintf("%#{TIME_WIDTH}.3f", child.wait_time)
    @output << sprintf("%#{TIME_WIDTH}.3f", child.children_time)
    call_called = "#{child.called}/#{child.target.called}"
    @output << sprintf("%#{CALL_WIDTH}s", call_called)
    @output << sprintf("     %s", child.target.full_name)
    @output << "\n"
  end
end

def print_header(thread)
  @output << "Measure Mode: %s\n" % @result.measure_mode_string
  @output << "Thread ID: #{thread.id}\n"
  @output << "Fiber ID: #{thread.fiber_id}\n"
  @output << "Total Time: #{thread.total_time}\n"
  @output << "Sort by: #{sort_method}\n"
  @output << "\n"
  # 1 is for % sign

  @output << sprintf("%#{PERCENTAGE_WIDTH}s", "%total")
  @output << sprintf("%#{PERCENTAGE_WIDTH}s", "%self")
  @output << sprintf("%#{TIME_WIDTH}s", "total")
  @output << sprintf("%#{TIME_WIDTH}s", "self")
  @output << sprintf("%#{TIME_WIDTH}s", "wait")
  @output << sprintf("%#{TIME_WIDTH}s", "child")
  @output << sprintf("%#{CALL_WIDTH}s", "calls")
  @output << "     name"
  @output << "                          location"
  @output << "\n"
end

def print_methods(thread)
  total_time = thread.total_time
  # Sort methods from longest to shortest total time

  methods = thread.methods.sort_by(&sort_method)
  # Print each method in total time order

  methods.reverse_each do |method|
    total_percentage = (method.total_time/total_time) * 100
    next if total_percentage < min_percent
    self_percentage = (method.self_time/total_time) * 100
    @output << "-" * 150 << "\n"
    print_parents(thread, method)
    # 1 is for % sign

    @output << sprintf("%#{PERCENTAGE_WIDTH-1}.2f%%", total_percentage)
    @output << sprintf("%#{PERCENTAGE_WIDTH-1}.2f%%", self_percentage)
    @output << sprintf("%#{TIME_WIDTH}.3f", method.total_time)
    @output << sprintf("%#{TIME_WIDTH}.3f", method.self_time)
    @output << sprintf("%#{TIME_WIDTH}.3f", method.wait_time)
    @output << sprintf("%#{TIME_WIDTH}.3f", method.children_time)
    @output << sprintf("%#{CALL_WIDTH}i", method.called)
    @output << sprintf("    %s",  method.recursive? ? "*" : " ")
    @output << sprintf("%-30s", method.full_name)
    @output << sprintf(" %s", method_location(method))
    @output << "\n"
    print_children(method)
  end
end

def print_parents(thread, method)
  method.call_trees.callers.sort_by(&:total_time).each do |caller|
    @output << " " * 2 * PERCENTAGE_WIDTH
    @output << sprintf("%#{TIME_WIDTH}.3f", caller.total_time)
    @output << sprintf("%#{TIME_WIDTH}.3f", caller.self_time)
    @output << sprintf("%#{TIME_WIDTH}.3f", caller.wait_time)
    @output << sprintf("%#{TIME_WIDTH}.3f", caller.children_time)
    call_called = "#{caller.called}/#{method.called}"
    @output << sprintf("%#{CALL_WIDTH}s", call_called)
    @output << sprintf("     %s", caller.parent.target.full_name)
    @output << "\n"
  end
end

def sort_method
  @options[:sort_method] || :total_time
end