module OmniFocus::Redmine

# File lib/omnifocus/redmine.rb, line 7
def load_or_create_redmine_config
  path   = File.expand_path "~/.omnifocus-redmine.yml"
  config = YAML.load(File.read(path)) rescue nil

  unless config then
    config = {
      :user_id       => "20",
      :redmine_url   => "http://redmine",
      :username      => "UserName",
      :password      => "Password",
      :just_project  => false
    }

    File.open(path, "w") { |f|
      YAML.dump(config, f)
    }

    abort "Created default config in #{path}. Go fill it out."
  end

  config
end

# File lib/omnifocus/redmine.rb, line 30
def populate_redmine_tasks
  config       = load_or_create_redmine_config
  redmine_url  = config[:redmine_url]
  user_id      = config[:user_id]
  username     = config[:username]
  password     = config[:password]
  just_project = config[:just_project]

  # Authenticate if the user name and password are defined
  if username and password then
    mechanize.add_auth redmine_url, username, password
  end

  default_query = "#{redmine_url}/issues.xml?assigned_to_id=#{user_id}"

  unless config[:queries]
    process_query_results(default_query, redmine_url, just_project)
  else
    queries = config[:queries]
    queries.each do |q|
      process_query_results("#{default_query}&#{q}",
                            redmine_url,
                            just_project)
    end
  end
end

# File lib/omnifocus/redmine.rb, line 57
def process_query_results(query, redmine_url, just_project)
  begin
    mechanize.get(query)
  rescue Mechanize::ResponseCodeError => e
    if e.response_code == "401" then
      abort "Unauthorized.  Check username and password in .omnifocus-redmine"
    end
  end

  details = Nokogiri.parse(mechanize.current_page.body)

  issues = details.root.xpath('//issue')

  issues.each do |i|
    bug_number = i.xpath('./id').text
    ticket_id = "#{PREFIX}##{bug_number}"

    if existing[ticket_id]
      project = existing[ticket_id]
      bug_db[project][ticket_id] = true
    else
      product = i.xpath('./project/@name').text.downcase
      title = i.xpath('./subject').text
      component = i.xpath('./category/@name').text
      if just_project then
        project = "#{product}"
      else
        project = "#{product}-#{component}"
      end
      url = "#{redmine_url}/issues/#{bug_number}"

      bug_db[project][ticket_id] = ["#{ticket_id}: #{title}", url]
    end
  end

end