#!/usr/bin/env ruby

ENV["RAILS_ENV"] ||= "production"

APP_PATH = File.expand_path('../../config/application',  __FILE__)
require File.expand_path('../../config/boot',  __FILE__)
require APP_PATH
Rails.application.require_environment!

require "feed-normalizer"

User.where("weblog_feed_url <> ''").each do |u|
  begin
    s = Sponge.new
    data = s.fetch(u.weblog_feed_url, :get, nil, nil, {
      "User-Agent" => "Mozilla/5.0 (compatible; Planet Lobsters; " <<
      "https://#{Rails.application.domain}/)" })
    if !data
      raise "no data returned"
    end

    feed = FeedNormalizer::FeedNormalizer.parse(data)
    if !feed
      raise "could not parse feed"
    end
  rescue => e
    puts "error updating user #{u.id} from #{u.weblog_feed_url}: #{e}"
    # TODO: send the user a private message on failure, probably limit to every
    # x tries/days
    next
  end

  feed.entries.each do |e|
    w = u.weblogs.where(:uuid => e.id).first
    if !w
      w = u.weblogs.build(:uuid => e.id)
    end

    # prevent entries with bogus or future times from dominating the front page
    if e.last_updated > Time.now
      puts "skipping future entry #{e.id} with time #{e.last_updated}"
      next
    end

    # TODO: compare these manually, AR seems to always mark them dirty even if
    # the content is the same
    w.created_at = e.last_updated
    w.url = e.url
    w.title = e.title
    w.content = e.content
    w.tags = e.categories

    w.site_url = feed.url
    w.site_title = feed.title

    w.save
  end
end