#! /usr/bin/ruby -Ku
require 'imagesize'
require 'cgi'
Cgi = CGI.new

HEADER = 'header.txt'
FOOTER = 'footer.txt'
ALBUM_DIR = 'albums/'

# ページ表示
def toppage
  doc = ""
  doc += Cgi.params['dir'][0] + "\n" if Cgi.params['dir'][0]
  
  doc += File.readlines(HEADER).join
  doc += '<ul>'
  
  Dir[ALBUM_DIR+"*"].each do |dname|
    album = File.basename(dname)
    doc += "<li><a href=\"javascript:;\" onclick=\"new PhotoAlbum(null, '#{album}', null); return false;\">#{album}</a></li>\n"
  end
  
  doc += File.readilnes(FOOTER).join
  
  Cgi.out("type"=>"text/html", "charset"=>"UTF-8"){ doc }  
end


if Cgi.params['dir'][0]
  # アルバムデータ通信
  dname = Cgi.params['dir'][0]
  
  if File.exist?(ALBUM_DIR+dname)
    files = Dir["#{ALBUM_DIR+dname}/*"].delete_if{|f| f !~ /.*\.jpg$/i}
    
    images = []
    files.each do |fname|
      jpegsizefactory = ImageSize.factory('image/jpeg')
      sz = jpegsizefactory.readsize(fname)
      images << "{title:'#{File.basename(fname)}', fname:'#{fname}', width:#{sz.width}, height:#{sz.height} }"
    end
    doc = "{title:'#{dname}', images:[#{images.join(',')}]}"
    
    Cgi.out("type"=>"text/plain", "charset"=>"UTF-8"){ doc }  
  else
    toppage
  end
else
toppage
end