#!/usr/bin/ruby
#
# Eye-fi receiver
# -- An imcomplete implementation of Gallery Remote Protocol Server
# by SHIDARA Yoji <dara@shidara.net>
#
# see http://codex.gallery2.org/Gallery_Remote:Protocol
#
require 'fileutils'
require 'sinatra'

GR_STAT_SUCCESS=0
UNKNOWN_CMD=301

def file_recieved(tempfile, filename, uname)
  dest_path = [Time.now.strftime("%Y%m%d-%H%M%S"), uname.gsub(/[^a-z0-9\.]/i,''), filename.gsub(/[^a-z0-9\.]/i,'')].join('-') # NOTE: change here
  FileUtils.mv tempfile.path, dest_path
end

def gr_response(h)
  "#__GR2PROTO__\n"+h.map{|k,v| "#{k}=#{v}"}.join("\n")+"\n"
end

use Rack::Session::Cookie, :key => 'GALLERYSID' # NOTE: set secret

post '/main.php' do
  case params['g2_form']['cmd']
  when 'login'
    session[:uname] = params['g2_form']['uname']
    gr_response 'status' => GR_STAT_SUCCESS,
                'server_version' => '2.0'
  when 'fetch-albums-prune'
    gr_response 'status' => GR_STAT_SUCCESS,
                'album_count' => 1,
                'album.name.1' => 'dummy',
                'album.title.1' => 'dummy',
                'album.perms.add.1' => 'true',
                'album.perms.write.1' => 'true',
                'album.perms.del_alb.1' => 'true',
                'album.perms.create_sub.1' => 'true',
                'can_create_root' => 'true'
  when 'new-album'
    gr_response 'status' => GR_STAT_SUCCESS,
                'album_name' => params['g2_form']['newAlbumName']
  when 'add-item'
    file_recieved(params['g2_userfile'][:tempfile], params['g2_userfile'][:filename], session[:uname])
    gr_response 'status' => GR_STAT_SUCCESS,
                'item_name' => 'dummy'
  else
    gr_response 'status' => UNKNOWN_CMD
  end
end