fredwu/amaze_hands

module Web::Presenters
  class JSONPresenter
    def initialize(intel)
      @intel = intel
    end

    # rubocop:disable MethodLength
    def metrics(*args)
      m = @intel.metrics(*args)

      {
        types: {
          'Cycle Time (Mean)'           => 'bar',
          'Cycle Time (Mean) Rolling'   => 'spline',
          'Cycle Time (Median)'         => 'bar',
          'Cycle Time (Median) Rolling' => 'spline',
          'Wait Time (Mean)'            => 'bar',
          'Wait Time (Mean) Rolling'    => 'spline',
          'Wait Time (Median)'          => 'bar',
          'Wait Time (Median) Rolling'  => 'spline',
          'Standard Deviation'          => 'spline',
          'UCL'                         => 'line',
          'CL'                          => 'line',
          'LCL'                         => 'line',
          'Cycle Time Scatter'          => 'scatter',
          'Cycle Time Scatter X'        => 'scatter'
        },
        regions: {
          'UCL' => [style: 'dashed'],
          'CL'  => [style: 'dashed'],
          'LCL' => [style: 'dashed']
        },
        xs: {
          'Cycle Time (Mean)'           => 'Week',
          'Cycle Time (Mean) Rolling'   => 'Week',
          'Cycle Time (Median)'         => 'Week',
          'Cycle Time (Median) Rolling' => 'Week',
          'Wait Time (Mean)'            => 'Week',
          'Wait Time (Mean) Rolling'    => 'Week',
          'Wait Time (Median)'          => 'Week',
          'Wait Time (Median) Rolling'  => 'Week',
          'Standard Deviation'          => 'Week',
          'UCL'                         => 'Week',
          'CL'                          => 'Week',
          'LCL'                         => 'Week',
          'Cycle Time Scatter'          => 'Cycle Time Scatter X'
        },
        colors: {
          'Cycle Time (Mean)'           => '#1F77B4',
          'Cycle Time (Mean) Rolling'   => '#16547F',
          'Cycle Time (Median)'         => '#2CA9FF',
          'Cycle Time (Median) Rolling' => '#1E75B0',
          'Wait Time (Mean)'            => '#FF7F0E',
          'Wait Time (Mean) Rolling'    => '#7F3F07',
          'Wait Time (Median)'          => '#B25A0C',
          'Wait Time (Median) Rolling'  => '#7F4009',
          'Standard Deviation'          => '#007F05',
          'Cycle Time Scatter'          => '#561B7F'
        },
        columns: [
          ['Week']                        + m.cycle_time.keys,
          ['Cycle Time (Mean)']           + m.cycle_time.map { |_, v| v[:combined][:mean] },
          ['Cycle Time (Mean) Rolling']   + m.cycle_time.map { |_, v| v[:combined_rolling][:mean] },
          ['Cycle Time (Median)']         + m.cycle_time.map { |_, v| v[:combined][:median] },
          ['Cycle Time (Median) Rolling'] + m.cycle_time.map { |_, v| v[:combined_rolling][:median] },
          ['Wait Time (Mean)']            + m.wait_time.map  { |_, v| v[:combined][:mean] },
          ['Wait Time (Mean) Rolling']    + m.wait_time.map  { |_, v| v[:combined_rolling][:mean] },
          ['Wait Time (Median)']          + m.wait_time.map  { |_, v| v[:combined][:median] },
          ['Wait Time (Median) Rolling']  + m.wait_time.map  { |_, v| v[:combined_rolling][:median] },
          ['Standard Deviation']          + m.wait_time.map  { |_, v| v[:combined][:standard_deviation] },
          ['UCL']                         + m.cycle_time.map { |_, v| v[:combined][:ucl] },
          ['CL']                          + m.cycle_time.map { |_, v| v[:combined][:cl] },
          ['LCL']                         + m.cycle_time.map { |_, v| v[:combined][:lcl] },
          ['Cycle Time Scatter X']        + m.cycle_time.map { |k, v| [k] * v[:combined][:count] }.flatten,
          ['Cycle Time Scatter']          + m.cycle_time.map { |_, v| v[:combined][:item_values] }.flatten
        ]
      }.to_json
    end
    # rubocop:enable MethodLength
  end
end