# encoding: utf-8
module QualityAnalysisHelper

  def sqale_rating_status val
    arr = []
    if val <= 5
      arr << "很好"
      arr << "b_green2"
      arr << "A"
    elsif  val. > 5  && val <= 10
      arr << "较好"
      arr << "b_slow_yellow"
      arr << "B"
    elsif  val > 10  && val <= 20
      arr << "中等"
      arr << "b_yellow"
      arr << "C"
    elsif  val > 20  && val <= 50
      arr << "较差"
      arr << "b_slow_red"
      arr << "D"
    elsif val > 20
      arr << "很差"
      arr << "b_red"
      arr << "E"
    end
  end

  def complexity_status val
    arr = []
    if val <= 10
      arr << "良好"
      arr << "b_green2"
    elsif  val > 10  && val <= 15
      arr << "较高"
      arr << "b_yellow"
    elsif val > 15
      arr << "很高"
      arr << "b_red"
    end
  end

  def duplicated_lines_density_status val
    arr = []
    if val <= 30
      arr << "良好"
      arr << "b_green2"
    elsif  val > 30  && val <= 50
      arr << "较高"
      arr << "b_yellow"
    elsif val > 50
      arr << "很高"
      arr << "b_red"
    end
  end

  def comment_lines_density_status val
    arr = []
    if val <= 20
      arr << "较低"
      arr << "b_yellow"
    elsif  val > 20  && val <= 50
      arr << "正常"
      arr << "b_green2"
    elsif val > 50
      arr << "较高"
      arr << "b_red"
    end
  end

  def score_sqale_rating val
    if val >= 0 && val <= 5
      "5"
    elsif  val > 5  && val <= 10
      "4"
    elsif  val > 10  && val <= 20
      "3"
    elsif  val > 20  && val <= 50
      "2"
    elsif val > 50
      "1"
    end
  end

  def lines_scale val
    if val.to_i < 5000
      "小型"
    elsif val.to_i >5000 && val.to_i < 50000
      "中型"
    else
      "大型"
    end
  end

  #统计答题百分比，统计结果保留两位小数
  def statistics_result_percentage(e, t)
    e = e.to_f
    t = t.to_f
    t == 0 ? 0 : format("%.2f", e*100/t)
  end

end