module Admin::NewsHelper
  def page_for_news_bulletin(news_bulletin)
    ann_page = nil
    pages = Page.where(:module=>'news')

    pages.each do |page|
      if page.categories.count ==1
        if page.categories.include?(news_bulletin.category.id.to_s)
          ann_page = page
        end
      end
      break if !ann_page.nil?
    end

    if ann_page.nil?
       pages.each do |page|
        if page.categories.include?(news_bulletin.category.id.to_s)
          ann_page = page
        end
        break if !ann_page.nil?
      end
    end

    ann_page = pages.first if ann_page.nil?
    request.protocol+(request.host_with_port+ann_page.url+'/'+news_bulletin.to_param).gsub('//','/') rescue "/"
  end


  def send_rejection_email(news)
    user = User.find(news.create_user_id) rescue nil
    if !user.nil?
      email = user.member_profile.email
      if !email.nil? && email != ""
        url = page_for_news_bulletin(news)
        mail = Email.new(:mail_to => email, :mail_subject => "News rejected : #{news.title}.", :template => "email/rejection_email.html.erb", :template_data => {"url" => url, "rejector" => current_user.name, "name" => user.name, "reason" => news.rejection_reason})
        mail.deliver
      end
    end 
  end

  def send_notification_mail_to_managers(news, type)
    authorizations = Authorization.where(:module_app_id => @module_app.id)
    users = authorizations.collect do |auth|
      auth.user
    end
    users.each do |user|
      email = user.member_profile.email
      if !email.nil? && email != ""
        send_email(user.name, email, news, type)
        sleep(2)
      end
    end
    users = Workgroup.where(:key => "admin").first.users rescue []
    users.each do |user|
      email = user.member_profile.email
      if !email.nil? && email != ""
        send_email(user.name, email, news, type)
        sleep(2)
      end
    end
  end

  def send_email(name, useremail, news, type)
    url = page_for_news_bulletin(news)
    template = (type == "approval" ? "email/new_news_email.html.erb" : "email/reapproval_news_email.html.erb")
    email = Email.new(:mail_to => useremail, :mail_subject => "校園新聞請審核通知", :template => template, :template_data => {"url" => url, "submitter" => current_user.name, "name" => name})
    email.deliver
  end

  def load_access_level
    if current_user.is_admin?
      @access_level = "admin"
    elsif current_user.is_manager?(@module_app)
      @access_level = "manager"
    end
  end

  def user_can_approve?
    case @access_level
    when "admin"
      return true
    when "manager"
      return true
    else
      return false
    end
  end

end