- content_for :head do
  // Force a full page reload, see https://github.com/turbolinks/turbolinks/issues/326.
     Otherwise, code might not be highlighted correctly (race condition)
  meta name='turbolinks-visit-control' content='reload'
  = javascript_include_tag(asset_path('d3-tip.js', type: :javascript))
h1 = @exercise

= row(label: '.participants', value: @exercise.users.distinct.count)

- [:intermediate, :final].each do |scope|
  = row(label: ".#{scope}_submissions") do
    = "#{@exercise.submissions.send(scope).count} (#{t('.users', count: @exercise.submissions.send(scope).distinct.count(:user_id))})"

= row(label: '.finishing_rate') do
  p == @exercise.finishers.count ? "#{t('shared.out_of', maximum_value: @exercise.users.distinct.count, value: @exercise.finishers.count)} #{t('exercises.statistics.external_users')}" : empty
  - finishers_count = @exercise.users.distinct.count
  - finishers_percentage = finishers_count == 0 ? 0 : (100.0 / finishers_count * @exercise.finishers.count).round(2)
  p = progress_bar(finishers_percentage)

= row(label: '.average_score') do
  p == @exercise.average_score ? t('shared.out_of', maximum_value: @exercise.maximum_score, value: @exercise.average_score.round(2)) : empty
  p = progress_bar(@exercise.average_percentage)

= row(label: '.average_worktime') do
  p = @exercise.average_working_time

- Hash[:internal_users => t('.internal_users'), :external_users => t('.external_users')].each_pair do |symbol, label|
  strong = label
  -if symbol==:external_users
    -working_time_array = []
    - @exercise.send(symbol).distinct().each do |user|
      -working_time = @exercise.average_working_time_for(user.id) or 0
      -working_time_array.push working_time
    hr
    .hidden#data data-working-time=ActiveSupport::JSON.encode(working_time_array)
    .graph-functions
    div#chart_1
    hr
    div#chart_2
    hr
  .table-responsive
    table.table.table-striped.sortable
      thead
        tr
          - ['.user', '.score', '.runs', '.worktime'].each do |title|
            th.header = t(title)
      tbody
        - @exercise.send(symbol).distinct().each do |user|
          - if user_statistics[user.id] then us = user_statistics[user.id] else us = {"maximum_score" => nil, "runs" => nil}
          - label = "#{user.displayname}"
          tr
            td = link_to_if symbol==:external_users, label, {controller: "exercises", action: "statistics", external_user_id: user.id, id: @exercise.id}
            td = us['maximum_score'] or 0
            td = us['runs']
            td = @exercise.average_working_time_for(user.id) or 0