hits_bar_graph_helper.rb

# rubocop:disable MethodLength
module HitsBarGraphHelper
  def hits_bar_chart(data, options = {})
    data_formated = [
      {
        name: 'Erros',
        data: [['Questões', data[:incorrect]]]
      },
      {
        name: 'Acertos',
        data: [['Questões', data[:correct]]]
      }
    ]
    bar_chart data_formated, default_options.deep_merge(options)
  end

  def questions_bar_chart(correct, incorrect)
    data_formated = []
    colors = []
    if correct > 0
      data_formated << {
        name: 'Acertos',
        data: [['Questões', correct]]
      }
      colors << color_correct
    end
    if incorrect > 0
      data_formated << {
        name: 'Erros',
        data: [['Questões', incorrect]]
      }
      colors << color_incorrect
    end

    options = {
      colors: colors,
      library: {
        plotOptions: {
          series: {
            stacking: 'percent'
          }
        }
      }
    }
    bar_chart data_formated, default_options.deep_merge(options)
  end

  private

  def default_options
    {
      stacked: true, height: '85px',  width: '100%', colors: [color_incorrect, color_correct],
      library: {
        chart: {
          spacingTop: -5,
          animation: false,
          backgroundColor: 'transparent'
        },
        legend: {
          itemStyle: {
            fontSize: '11px'
          },
          reversed: true,
          margin: -20
        },
        tooltip: { enabled: false },
        xAxis: {
          labels: { enabled: false },
          lineWidth: 0
        },
        yAxis: {
          maxPadding: 0,
          labels: { enabled: false },
          gridLineWidth: 0
        },
        plotOptions: {
          series: {
            animation: false,
            stacking: 'normal',
            dataLabels: {
              enabled: true,
              color: '#FFFFFF',
              style: {
                fontWeight: 'bold',
                fontSize: '14px'
              }
            },
            events: { legendItemClick: false }
          }
        }
      }
    }
  end

  def color_correct
    '#00C89C'
  end

  def color_incorrect
    '#ED5C23'
  end
end