#
# Copyright Michael Orlitzky
#
# http://michael.orlitzky.com/
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# http://www.fsf.org/licensing/licenses/gpl.html
#

require 'src/website'


class Veoh < Website

  VALID_VEOH_URL_REGEX = /^(http:\/\/)?(www\.)?veoh\.com\/.*?(v[[:alnum:]]+)$/
  
  def self.owns_url?(url)
    return url =~ VALID_VEOH_URL_REGEX
  end

  
  def get_video_url()
    # First, figure out the video id from the URL.
    # Then, use the video id to construct the video details URL.
    # Get the video details page, and parse the redirect
    # URL from it. Now, I guess we *could* retrieve the video
    # id from the redirect, but for now we're going to rely
    # on our HTTP library to follow the redirect for us and
    # save us a step.
    video_id = self.parse_video_id()
    details_url = "http://www.veoh.com/rest/video/#{video_id}/details"
    details_data = get_page_data(details_url)
    redirect_url = parse_redirect_url(details_data)

    # We trust our HTTP library to do the right thing here.
    return redirect_url
  end


  def get_video_filename()
    return (self.parse_video_id() + '.flv')
  end
  
  protected;

  def parse_video_id()
    video_id_regex = /v[[:alnum:]]+$/
    matches = video_id_regex.match(@url)
    video_id = matches[0] if not matches.nil?
    
    return video_id
  end

  
  # The main video page has the "video" URL buried
  # in some javascript parameters.
  def parse_redirect_url(page_data)
    redirect_url_regex = /fullPreviewHashPath=\"(.*?)\"/
    matches = redirect_url_regex.match(page_data)
    redirect_url = matches[1] if not matches.nil? || matches.length < 2
    
    return redirect_url
  end
  
  
end