class Jekyll::AuthorPageGenerator

# File _plugins/author-page.rb, line 51
def generate(site)
  return unless site.layouts.key? 'contributor_index'

  dir = 'hall-of-fame'

  # pre-calculating this hash saves about 4.9 seconds off the previous
  # build time of 5 seconds.
  tutorials_by_author = Hash.new { |hash, key| hash[key] = [] }
  learning_pathways_by_author = Hash.new { |hash, key| hash[key] = [] }
  slides_by_author = Hash.new { |hash, key| hash[key] = [] }
  news_by_author = Hash.new { |hash, key| hash[key] = [] }
  events_by_author = Hash.new { |hash, key| hash[key] = [] }
  videos_by_author = Hash.new { |hash, key| hash[key] = [] }
  faqs_by_author = Hash.new { |hash, key| hash[key] = [] }
  has_philosophy = Hash.new { false }

  prs_by_author = Hash.new { |hash, key| hash[key] = [] }
  reviews_by_author = Hash.new { |hash, key| hash[key] = [] }

  site.data['github'].each do |num, pr|
    prs_by_author[pr['author']['login']] << [num, pr['mergedAt']]

    pr['reviews'].each do |review|
      reviews_by_author[review['author']['login']] << [num, review['submittedAt'], review['state']]
    end
  end

  site.pages.each do |t|
    # Skip Symlinks
    if t.data['symlink']
      next
    end

    # Tutorials
    pusher(t, tutorials_by_author, false) if t['layout'] == 'tutorial_hands_on'

    # Slides
    if !%w[base_slides introduction_slides tutorial_slides].index(t['layout']).nil?
      pusher(t, slides_by_author, false)
    end

    pusher(t, events_by_author, false) if t['layout'] == 'event'

    pusher(t, faqs_by_author, false) if t['layout'] == 'faq'

    t.data.fetch('recordings', []).each do |r|
      r.fetch('captioners', []).each { |ent| videos_by_author[ent].push([t, 'captioner', r]) }
      r.fetch('speakers', []).each { |ent| videos_by_author[ent].push([t, 'speaker', r]) }
    end

    pusher(t, learning_pathways_by_author, false) if t['layout'] == 'learning-pathway'

    # Philosophies
    has_philosophy[t.data['username']] = true if t['layout'] == 'training_philosophy' && !t.data['username'].nil?
  end

  site.posts.docs.each do |t|
    # News
    pusher(t, news_by_author, true) if t['layout'] == 'news'
  end

  Gtn::Contributors.list(site).each_key do |contributor|
    # Using PageWithoutAFile instead of a custom class which reads files
    # from disk each time, saves some time, but it is unclear how much
    # due to how the previous was accounted. But assuming 0.040s per page * 193 should be about 8 seconds.
    page2 = PageWithoutAFile.new(site, '', File.join(dir, contributor), 'index.html')
    page2.content = nil
    name = Gtn::Contributors.fetch_contributor(site, contributor).fetch('name', contributor)

    # Their tutorials
    page2.data['contributor'] = contributor
    page2.data['personname'] = name
    page2.data['title'] = "GTN Contributor: #{name}"
    page2.data['layout'] = 'contributor_index'

    page2.data['tutorials'] = tutorials_by_author[contributor].group_by{|x| x[0] }.map{|k, v| [k, v.map{|vv| vv[1]}.compact]}
    page2.data['slides'] = slides_by_author[contributor].group_by{|x| x[0] }.map{|k, v| [k, v.map{|vv| vv[1]}.compact]}
    page2.data['news'] = news_by_author[contributor]
    page2.data['learning_pathways'] = learning_pathways_by_author[contributor]
    page2.data['events'] = events_by_author[contributor].group_by{|x| x[0] }.map{|k, v| [k, v.map{|vv| vv[1]}.compact]}
    page2.data['videos'] = videos_by_author[contributor].group_by{|x| x[0] }.map{|k, v| [k, v.map{|vv| vv[1]}.uniq.compact]}
    page2.data['faqs'] = faqs_by_author[contributor].group_by{|x| x[0] }.map{|k, v| [k, v.map{|vv| vv[1]}.uniq.compact]}

    page2.data['tutorials_count'] = tutorials_by_author[contributor].length
    page2.data['slides_count'] = slides_by_author[contributor].length
    page2.data['news_count'] = news_by_author[contributor].length
    page2.data['learning_pathways_count'] = learning_pathways_by_author[contributor].length
    page2.data['events_count'] = events_by_author[contributor].length
    page2.data['videos_count'] = videos_by_author[contributor].length
    page2.data['faqs_count'] = faqs_by_author[contributor].length

    page2.data['editors'] = TopicFilter.enumerate_topics(site).select do |t|
      t.fetch('editorial_board', []).include?(contributor)
    end
    # Also their learning pathways
    page2.data['editors'] += site.pages.select do |t|
      t['layout'] == 'learning-pathway' && t.data.fetch('editorial_board', []).include?(contributor)
    end
    page2.data['editor_count'] = page2.data['editors'].length

    page2.data['has_philosophy'] = has_philosophy[contributor]

    countable_reviews = reviews_by_author[contributor]
      .reject{|x| x[1].nil?} # Group by PRs.
      .group_by{|x| x[0]}.map{|x, r| r.sort_by{|r1| r1[1]}.max}.sort_by{|w| w[1]}.reverse

    page2.data['gh_prs_count'] = prs_by_author[contributor].count
    page2.data['gh_reviews_count'] = countable_reviews.count

    page2.data['gh_prs_recent'] = prs_by_author[contributor]
      .reject{|x| x[1].nil?}.sort_by { |x| x[1] }.reverse.take(5)
      .map{|x| x[0]}
    page2.data['gh_reviews_recent'] = countable_reviews.take(5)
      .map{|x| x[0]}

    site.pages << page2
  end
end

# File _plugins/author-page.rb, line 22
def pusher(t, datastructure, flat)
  if t.data.key?('contributors')
    if flat
      t.data['contributors'].each { |c| datastructure[c].push(t) }
    else
      t.data['contributors'].each { |c| datastructure[c].push([t, nil]) }
    end
  elsif t.data.key?('contributions')
    t.data['contributions'].each do |contribution_type, contributor|
      contributor.each do |c|
        if flat
          datastructure[c].push(t)
        else
          datastructure[c].push([t, contribution_type])
        end
      end
    end
  end

  t.data['maintainers'].each { |c| datastructure[c].push([t, 'maintainer']) } if t.data.key?('maintainers')
  t.data['funding'].each { |c| datastructure[c].push([t, 'funding']) } if t.data.key?('funding')

  datastructure
end