extends layout
//- this logic should be moved to a view at some point

block content
  - var lineHeight = 2.2;
  - var archives = _.chain(env.helpers.getArticles(contents)).groupBy(function(item) {
  -   return item.date.getFullYear();
  - }).value();
  - for (var archive in archives) {
  -   archives[archive] = _.groupBy(archives[archive], function(item) { return item.date.getMonth(); });
  - }
  - var month_names = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December']
  section.archive
    h2 Archive
    ul
      - var yearsK = _.chain(archives).keys().reverse().value();
      each yearK in yearsK
        - var months = archives[yearK];
        - var yearHeight = lineHeight * _.reduce(months, function(memo,month) { return memo + month.length; }, 0);
        li
          span.year-label(style='line-height:' + yearHeight + 'em')= yearK
          ul(style='margin-left:4em')
            - var monthsK = _.chain(months).keys().reverse().value();
            each monthK in monthsK
              - var monthHeight = lineHeight * months[monthK].length;
              li
                span.month-label(style='line-height:' + monthHeight + 'em')= month_names[monthK]
                ul(style='margin-left:7em')
                  each item in months[monthK]
                    li(style='height:'+ lineHeight + 'em;line-height:' + lineHeight + 'em')
                      a(href=item.url)= item.title