#!/usr/bin/env ruby
require 'cgi'

$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

def challenge_page(event)
  `mkdir -p #{$LOCAL_BASE}/#{event}/`
  file = File.new("#{$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 "</div>"

  # solutions
  file.write "<div id=\"solutions\">"
  submissions(event)
    .each do |path|
      file.write "<div class=\"sol\">"
      file.write "<h2>#{path.split('.')[-1]}, #{File.size path} bytes</h2>"
      file.write "<pre>#{CGI::escapeHTML File.read path}</pre>"
      file.write "<p class=\"source\">#{path.sub('/home/', '~')}</p>"
      file.write "</div>"
    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]
  challenge_page name
end

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