require "net/http"
require "uri"
require 'json'

module Admin::RecruitmentHelper
  module FormHelper
    extend self
    extend ActionView::Helpers::FormTagHelper
    extend ActionView::Helpers::FormOptionsHelper
    extend ActionView::Helpers::DateHelper
    extend ActionView::Helpers::TagHelper
    extend ActionView::Helpers::RenderingHelper
    extend ActionView::Context
    extend OrbitBasis::RenderAnywhere
    extend ActionView::Helpers::UrlHelper
    extend OrbitFormHelper
    extend Ckeditor::Helpers::FormHelper
    def available_locales
      @available_locales = @available_locales || Site.first.in_use_locales || I18n.available_locales
    end
    def set_input_name(input_name)
      @input_name = input_name
    end

    def get_input_name
      @input_name.to_s
    end
    def create_lang_panel(field)
      tmp2 = content_tag(:div,:class => 'btn-group', :data=>{:toggle=>"buttons-radio"}) do
        available_locales.collect do |key|
          link_entry_ary = ["##{field}","_#{key}"]
          link_entry = link_entry_ary.join
          link_to(I18n.t(key),link_entry,:data=>{:toggle=>"tab"},:class=>"btn #{(key == I18n.locale ?  "active" : nil)}",:for=>key)
        end.join.html_safe
      end
    end
    def multiple_lang_tag(index1,type_of_tag,field,value=nil,custom_options={},combine_element='',exteral_options={},sortable=false)
      if !index1.nil?
        all_field = (get_input_name + "[#{index1}][#{field}][parant]").gsub(/\[/,'_').gsub(/\]/,'')
      else
        all_field = (get_input_name + "[#{field}][parant]").gsub(/\[/,'_').gsub(/\]/,'')
      end
      tmp = (available_locales.collect do |locale|
        active_flag = ((locale == I18n.locale) ? ' in active' : '')
        content_tag(:div,:class => "tab-content fade#{active_flag}",:id=>"#{all_field}_#{locale}") do
          value_locale = value[locale.to_s] rescue nil
          if !index1.nil?
            self.__send__("#{type_of_tag}_tag","#{get_input_name}[#{index1}][#{field}][#{locale}]",value_locale,custom_options)
          else
            self.__send__("#{type_of_tag}_tag","#{get_input_name}[#{field}][#{locale}]",value_locale,custom_options)
          end
        end
      end.join + create_lang_panel(all_field)).html_safe + combine_element
    
      if sortable
        if exteral_options['style'].nil?
          exteral_options['style'] = 'display: flex;align-items: center;flex-wrap: nowrap;'
        else
          exteral_options['style'] = exteral_options['style'] + 'display: flex;align-items: center;flex-wrap: nowrap;'
        end
        content_tag(:div,{:class => "tab-panel border"}.merge(exteral_options)) do
          ("<i class=\"icons-list-2\" style=\"cursor: grab;font-size: x-large;\"></i>" +content_tag(:div) do
            tmp
          end).html_safe
        end
      else 
        content_tag(:div,{:class => "tab-panel"}.merge(exteral_options)) do
          tmp
        end
      end
    end
  end

  def self.thead(field,center=false,enable_sort=true)
    sort = field.to_s.include?('.') ? field.to_s.split('.')[1] : field.to_s
    active = OrbitHelper.params[:sort].eql? sort
    order = active ? (["asc", "desc"]-[OrbitHelper.params[:order]]).first : "asc"
    arrow = (order.eql? "desc") ? "<b class='icons-arrow-up-3'></b>" : "<b class='icons-arrow-down-4'></b>"
    klass = field.eql?(:title) ? "span5" : "span2"
    th_data = (sort=="preview" || !enable_sort) ? RecruitmentCustomTitle.get_trans(field) : "<a href='?sort=#{sort}&order=#{order}'>#{RecruitmentCustomTitle.get_trans(field)} #{active ? arrow : ""}</a>"
    "<th class='#{klass} #{active ? "active" : ""}' style='#{center ? "text-align:center" : ""}'>#{th_data}</th>".html_safe
  end

  def page_for_recruitment(recruitment)
    ann_page = nil
    pages = Page.where(:module=>'recruitment_mod')

    pages.each do |page|
      if page.categories.count ==1
        if page.categories.include?(recruitment.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?(recruitment.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+'/'+recruitment.to_param).gsub('//','/') rescue "/"
  end

  def import_this_recruitment(row,categories,tags)
    value = {}
    anns = Recruitment.new
    row.cells.each_with_index do |cell,index|
      val = cell.nil? ? nil : cell.value
      next if val.nil? || val == ""
      case index
      when 0
        anns.category = categories[val.to_i]
      when 1
        new_tags = []
        if (val.include?(",") rescue false)
          ts = val.split(",")
          ts.each do |t|
            new_tags << tags[t.to_i]
          end
        else
          new_tags << tags[val.to_i]
        end
        anns.tags=new_tags
      when 2
        anns.recruitment_date = val
      when 3
        anns.postdate = val
      when 4
        anns.deadline = val
      when 5
        anns.is_top = (val.to_i == 1 ? true : false)
      when 6
        anns.is_hot = (val.to_i == 1 ? true : false)
      when 7
        anns.is_hidden = (val.to_i == 1 ? true : false)
      when 8
        anns.remote_image_url = val
      when 9
        value["en"] = val
        anns.image_description_translations = value.clone
      when 10
        value["zh_tw"] = val
        anns.image_description_translations = value.clone
        value = {}
      when 11
        value["en"] = val
        anns.title_translations = value.clone
      when 12
        value["zh_tw"] = val
        anns.title_translations = value.clone
        value = {}
      when 17
        value["en"] = val
        anns.subtitle_translations = value.clone
      when 18
        value["zh_tw"] = val
        anns.subtitle_translations = value.clone
        value = {}
      when 19
        value["en"] = val
        anns.text_translations = value.clone
      when 20
        value["zh_tw"] = val
        anns.text_translations = value.clone
        value = {}
      when 21
        value["en"] = val
        anns.notes_translations = value.clone
      when 22
        value["zh_tw"] = val
        anns.notes_translations = value.clone
        value = {}
      when 23
        value["en"] = val
        anns.education_requirement_translations = value.clone
      when 24
        value["zh_tw"] = val
        anns.education_requirement_translations = value.clone
        value = {}
      when 25
        value["en"] = val
        anns.experience_requirement_translations = value.clone
      when 26
        value["zh_tw"] = val
        anns.experience_requirement_translations = value.clone
        value = {}
      when 27
        value["en"] = val
        anns.skills_requirement_translations = value.clone
      when 28
        value["zh_tw"] = val
        anns.skills_requirement_translations = value.clone
        value = {}
      when 29
        value["en"] = val
        anns.language_translations = value.clone
      when 30
        value["zh_tw"] = val
        anns.language_translations = value.clone
        value = {}
      when 31
        value["en"] = val
        anns.salary_info_translations = value.clone
      when 32
        value["zh_tw"] = val
        anns.salary_info_translations = value.clone
        value = {}
      when 33
        value["en"] = val
        anns.contact_info_translations = value.clone
      when 34
        value["zh_tw"] = val
        anns.contact_info_translations = value.clone
        value = {}
      when 35
        links = val.split(";") rescue []
        desc_en = row.cells[36].value.split(";") rescue []
        desc_zh_tw = row.cells[37].value.split(";") rescue []
        links.each_with_index do |link,i|
          bl = RecruitmentLink.new
          bl.url = link.strip
          bl.title_translations = {"en" => desc_en[i], "zh_tw" => desc_zh_tw[i]}
          bl.recruitment_id = anns.id
          bl.save
        end
      when 38
        files = val.split(";") rescue []
        desc_en = row.cells[39].value.split(";") rescue []
        desc_zh_tw = row.cells[40].value.split(";") rescue []
        alt_en = row.cells[41].value.split(";") rescue []
        alt_zh_tw = row.cells[42].value.split(";") rescue []
        files.each_with_index do |file, i|
          bf = RecruitmentFile.new
          bf.remote_file_url = file.strip rescue nil
          bf.title_translations = {"en" => (alt_en[i] rescue ""), "zh_tw" => (alt_zh_tw[i] rescue "")}
          bf.description_translations = {"en" => (desc_en[i] rescue ""), "zh_tw" => (desc_zh_tw[i] rescue "")}
          bf.recruitment_id = anns.id
          bf.save
        end
      when 31
        value["en"] = val
        anns.place_translations = value.clone
      when 32
        value["zh_tw"] = val
        anns.place_translations = value.clone
        value = {}
      when 33
        anns.event_end_date = val
      when 34
        carousel_images = val.split(";") rescue []
        desc_en = row.cells[35].value.split(";") rescue []
        desc_zh_tw = row.cells[36].value.split(";") rescue []
        carousel_images.each_with_index do |image, i|
          bc = RecruitmentCarouselImage.new
          bc.remote_file_url = image.strip rescue nil
          bc.description_translations = {"en" => (desc_en[i] rescue ""), "zh_tw" => (desc_zh_tw[i] rescue "")}
          bc.recruitment_id = anns.id
          bc.save
        end
      end
    end
    anns.create_user_id = current_user.id.to_s
    anns.update_user_id = current_user.id.to_s
    anns.approved = true
    anns.save
  end

  def send_rejection_email(recruitment,locale)
    user = User.find(recruitment.create_user_id) rescue nil
    if !user.nil?
      email = user.member_profile.email
      if !email.nil? && email != ""
        url = "http://#{request.host_with_port}/admin/recruitment/#{recruitment.id}/edit"
        datatosend = "<h3>Hello #{user.name},</h3><p>#{current_user.name} #{t("recruitment.rejected_recruitment")} : #{recruitment.rejection_reason} <a href='#{url}'> #{t("recruitment.click_here_to_see")}</a></p>"
        mail = Email.new(:mail_to => email, :mail_subject => "Recruitment rejected公告未通過 : #{recruitment.title_translations[locale]}.", :template => "email/recruitment_email.html.erb", :template_data => {"html" => datatosend})
        mail.save
        mail.deliver rescue nil
      end
    end
  end

  def send_notification_mail_to_managers(recruitment, type, locale)
    users = []
    if @recruitment_setting.email_to.include?("managers")
      authorizations = Authorization.where(:module_app_id => @module_app.id)
      users = authorizations.collect do |auth|
        auth.user
      end
    end
    if @recruitment_setting.email_to.include?("admins")
      wg = Workgroup.where(:key => "admin").first
      admins = User.where(:workgroup_id => wg.id)
      users.delete(nil)
      users = users.concat(admins.to_a)
    end
    if @recruitment_setting.email_to.include?("approvers")
      approvers = User.find(@recruitment_setting.approvers).to_a rescue []
      auths = Authorization.where(:category_id => recruitment.category_id).collect{|a| a.user}
      users = users.concat(approvers & auths)
    end
    users.each do |user|
      email = user.member_profile.email
      if !email.nil? && email != ""
        send_email(user.name, email, recruitment, type, locale)
        # sleep(1)
      end
    end
  end

  def send_email(name, useremail, recruitment, type, locale)
    url = "http://#{request.host_with_port}/admin/recruitment?url=#{page_for_recruitment(recruitment).sub("http://" + request.host_with_port, "")}&id=#{recruitment.id}"

    case type
    when "approval"
      datatosend = "<h3>#{t("recruitment.approval_mail_hi", :name => name)},</h3><p>#{t("recruitment.submitted_new_recruitment", :poster => current_user.name)}<br /><br />#{t("recruitment.approval_recruitment_title")} : #{recruitment.title_translations[locale]} <br /> #{t("recruitment.click_here_to_see")} : <a href='#{url}'> #{url} </a></p>"
    when "reapproval"
      datatosend = "<h3>#{t("recruitment.approval_mail_hi", :name => name)},</h3><p>#{t("recruitment.updated_recruitment", :poster => current_user.name)}<br /><br />#{t("recruitment.approval_recruitment_title")} : #{recruitment.title_translations[locale]} <br /> #{t("recruitment.click_here_to_see")} : <a href='#{url}'> #{url} </a></p>"
    end
    email = Email.new(:mail_to => useremail, :mail_subject => " #{t("recruitment.recruitment_subject")} : #{recruitment.title_translations[locale]}.", :template => "email/recruitment_email.html.erb", :template_data => {"html" => datatosend})
    email.save
    email.deliver rescue nil
  end

  def download_tmp_xml(url)
    xml = File.join(Rails.root, "tmp", "ann_cc_ntu.xml")
    open(xml, 'wb') do |fo|
      fo.print open(url).read
    end
  end

  def import_from_tmp_xml(file)
    xml = Nokogiri::XML(file)
    return if xml.nil?
    recruitment = []
    xml.xpath("//channel").xpath("//item").each do |anns|
      recruitment << {
        :title => (anns>"title").text,
        :category => (anns>"category").text,
        :postdate => (anns>"pubDate").text,
        :text => (anns>"description").text,
        :rss2_sn => (anns>"link").text.split("=").last
      }
    end
    recruitment.each do |anns|
      ma = ModuleApp.where(:key => "recruitment").first
      cat = Category.where(:title => anns[:category]).first rescue nil
      if cat.nil?
        cat = Category.create(:title_translations => {"en" => anns[:category], "zh_tw" => anns[:category]}, :module_app_id => ma.id)
      end
      ann = Recruitment.where(:rss2_sn => anns[:rss2_sn]).first rescue nil
      if ann.nil?
        ann = Recruitment.new(:title_translations => {"en" => "", "zh_tw" => anns[:title]}, :postdate => anns[:postdate], :subtitle_translations => {"en" => "", "zh_tw" => anns[:title]}, :text_translations => {"en" => "", "zh_tw" => anns[:text]}, :rss2_sn => anns[:rss2_sn], :category_id => cat.id, :approved => true, :create_user_id => current_user.id)
      else
        ann.update_attributes(:title_translations => {"en" => "", "zh_tw" => anns[:title]}, :postdate => anns[:postdate], :subtitle_translations => {"en" => "", "zh_tw" => anns[:title]}, :text_translations => {"en" => "", "zh_tw" => anns[:text]})
      end
      ann.save
    end
    File.delete(file)
  end

  def import_from_wordpress(xmlfile)
    xml_file = File.read(xmlfile)
    doc = Nokogiri::XML.parse(xml_file)

    doc.xpath("//channel").each do|channel_data|
      channel_data.xpath('//item').each  do|itme|

        bu = Recruitment.where(:rss2_sn =>  itme.xpath('wp:post_id').text ).first rescue nil
        if bu.nil?
            bu = Recruitment.new
            bu.approved = true
            bu.rss2_sn            = itme.xpath('wp:post_id').text
            bu.title_translations = {"en" => itme.xpath('title').text, "zh_tw" => itme.xpath('title').text}
            bu.text_translations  = {"en" => itme.xpath('content:encoded').text, "zh_tw" => itme.xpath('content:encoded').text}
            bu.postdate           = itme.xpath('wp:post_date').text

            itme.xpath('category').each do |i_cate|
              if i_cate["domain"].to_s == "category"

                  cat = @module_app.categories.where(:title => i_cate.text.to_s).first rescue nil
                  if cat.nil?
                    cat = Category.new
                    cat.module_app  = @module_app
                    cat.title_translations = {"en" => i_cate.text.to_s, "zh_tw" => i_cate.text.to_s}
                    cat.save
                  end
                  bu.category = cat

              elsif i_cate["domain"].to_s == "post_tag"

                  tag = Tag.where(:name =>  i_cate.text.to_s ).first rescue nil
                  if tag.nil?
                    tag = Tag.new
                    tag.name_translations = {"en" => i_cate.text.to_s, "zh_tw" => i_cate.text.to_s}
                    tag.module_app_ids << @module_app.id
                    tag.save
                  end

                  bu.tags = tag
              end
            end

        bu.save
        end

      end
    end
    File.delete(xmlfile)
  end

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

  def user_can_approve?(anns=nil)
    can_approve = false
    setting = RecruitmentSetting.first
    case @access_level
    when "admin"
      can_approve = true
    when "manager"
      can_approve = true
    else
      can_approve = false
    end
    if !can_approve
      if !anns.nil?
        if setting.approvers.include?(current_user.id.to_s)
          if (current_user.approved_categories_for_module(@module_app).include?(anns.category) rescue false)
            can_approve = true
          end
        end
      else
        can_approve = setting.approvers.include?(current_user.id.to_s)
      end
    end
    can_approve
  end

end