require 'drb'
require 'digest/md5'
OUTPUT_PATH = "/home/zero/z.orez.us/public/ooo/"

class OooController < ApplicationController
  layout 'service'

  def index

  end

  def upload
    newfn = Digest::MD5.hexdigest(params[:ooo].original_filename + Time.now.to_s)
    fin = OUTPUT_PATH + newfn + File.extname(params[:ooo].original_filename)
    File.open(fin, 'w') do |f| f.write params[:ooo].read end
    fout = OUTPUT_PATH + newfn + ".pdf"
    DRb.start_service
    pdfserver = DRbObject.new(nil, 'druby://:10500')
    logger.info("Going to convert from #{fin} to #{fout}")
    pdfserver.convert(fin, fout)
    DRb.stop_service
    session[:chk] = 0
    render :text => "$('upload_status').innerHTML = '轉換中，請稍後...<img src=\"/images/wait.gif\"/>';new PeriodicalExecuter(function(){new Ajax.Request('/ooo/check/#{newfn}', {method: 'get'});}, 5);"
  end

  def check
    session[:chk] += 1
    fn = OUTPUT_PATH + params[:id] + '.pdf'
    logger.info "check file #{fn}"
    headers["Content-Type"] = "text/javascript; charset=utf-8"
    if File.exist? fn
      logger.info "file is there."
      # Conversion complete
      session[:chk] = 0
      render :text => "location.href='/ooo/download/#{params[:id]}';"
    else
      # Still converting...
      if session[:chk] < 12
        logger.info "wait..."
        render :text => "$('upload_status').innerHTML = '轉換中，請稍後...<img src=\"/images/wait.gif\"/>';"
      else
        logger.info "failed"
        session[:chk] = 0
        render :text => "location.href='/ooo/failed';"
      end
    end
  end

  def download
  end

  def failed
  end
end