#!/usr/bin/env ruby

$PAGE_BASE = "http://tilde.town/~dzwdz/golf"
$LOCAL_BASE = "/home/dzwdz/public_html/golf"

$HTML_HEAD, $HTML_FOOT = File.read('template.html').split('/snip/')

def all_files(event)
  `ls -d /home/*/golf/#{event}/*`
    .lines
    .map(&:strip)
end

def submissions(event)
  all_files(event)
    .filter {|l| not l.end_with? '.hint'}
end

## mirrors files into public_html/golf/[event name]/mirror/
def mirror(event)
  all_files(event)
    .each do |path|
      split = path.split('/')
      user = split[2]
      name = split[5]
      `mkdir -p #{$LOCAL_BASE}/#{event}/mirror/#{user}`
      begin
        File.symlink(path, "#{$LOCAL_BASE}/#{event}/mirror/#{user}/#{name}")
      rescue Errno::EEXIST
      end
    end
end

def challenge_page(event)
  # maps participants to their submissions
  p_map = Hash.new []

  submissions(event)
    .each do |path|
      user = path.split('/')[2]
      p_map[user] += [path]
    end

  # temporary
  p_map["dzwdz1"] = p_map["dzwdz"]
  p_map["dzwdz2"] = p_map["dzwdz"]
  p_map["dzwdz3"] = p_map["dzwdz"]

  file = File.new("#{$LOCAL_BASE}/#{event}/index.html", 'w')
  file.write $HTML_HEAD

  # challenge info
  file.write "<div id=\"challenge_header\">"
  file.write "<h1>#{event}</h1>"
  file.write File.read("challenges/#{event}/desc.html")
  file.write "<a href=\"#{$PAGE_BASE}/how.html\">how can i join?</a>"
  file.write "</div>"

  # solutions
  file.write "<div id=\"solutions\">"
  p_map.each do
    |user, submissions|
    file.print "<div class=\"card\"><h2>~#{user}</h2><ul>"
    submissions.each do
      |path|
      name = path.split('/')[5]
      file.print "<li>"
      # todo this has a million vulns
      # also it's a mess
      file.print "<a href=\"#{$PAGE_BASE}/#{event}/mirror/#{user}/#{name}\">"
      file.print "#{name}"
      file.print "</a> (#{File.size path}b)"
      hint = path + '.hint'
      # speaking of messes
      if File.exists? hint
        file.print "<a class=\"hint\" href=\"#{$PAGE_BASE}/#{event}/mirror/#{user}/#{name}.hint\">hint</a>"
      end
      file.print "</li>"
    end
    file.print "</ul></div>\n"
  end
  file.write "</div>"

  file.write $HTML_FOOT
  file.close
end

def static_page(path)
  File.open "#{$LOCAL_BASE}/#{path}", "w" do
    |f|
    f.write $HTML_HEAD
    f.write File.read path
    f.write $HTML_FOOT
  end
end

Dir['challenges/*'].each do |path|
  name = path.split('/', 2)[-1]
  mirror name
  challenge_page name
end

static_page 'index.html'
static_page 'how.html'
`cp style.css #{$LOCAL_BASE}/`