class PublicationsController < ApplicationController
  FrontendMethods = ["chapter", "online_read_publication", "online_read_chapter"]
  def index
    @show_option_items = OrbitHelper.this_module_app.show_option_items rescue nil
    is_search = false
    if !(@show_option_items.nil?)
      OrbitHelper.page.select_option_items.each do |select_option_item|
        if select_option_item.field_name == @show_option_items.keys.first.to_s
          value = YAML.load(select_option_item.value)
          tmp = value[:en]
          I18n.with_locale(:en) do
            if tmp == t('publication.search_style')
              is_search = true
            end
          end
        end
      end
    end
    if is_search
      return search_index
    end
    params = OrbitHelper.params
    categories = []
    data = []
    publications = Publication.order("created_at" => :desc).filter_by_categories
                .page(OrbitHelper.params[:page_no]).per(OrbitHelper.page_data_count)
    ModuleApp.find_by("key" => 'publication').categories.each do |e|
      categories << [e.id.to_s, e.title]
    end

    category_maps = categories.to_h

    publications.each do |node|
      status = node.statuses_with_classname.collect do |stat|
        {
          "status" => stat[:name],
          "status-class" =>"status-#{stat[:classname]}"
        }
      end
      tags = node.tags.collect do |tag|
        {
          "tag" => tag.name
        }
      end
      data << {
        "id" => node.id.to_s,
        "statuses" => status,
        "tags" => tags,
        "title" => node.title,
        "author" => node.author,
        "pub_date" => (node.pub_date.strftime('%Y-%m-%d') rescue ""),
        "category" => category_maps[node.category_id],
        "cover" => (node.cover ? (OrbitHelper.is_mobile_view ? node.cover.mobile.url : node.cover.url) : ""),
        "cover_description" => node.cover_description,
        "chapters" => node.chapters.count,
        "link_to_show" => (node.is_external_link ? node.external_link : OrbitHelper.url_to_show(node.to_param)),
        "pub_information" => node.pub_information
      }
    end
    {
      "publications" => data,
      "extras" => {
        "widget-title" => t("module_name.publication"),
        "th_cover" => t('publication.cover'),
        "th_pub_date" => t('publication.pub_date'),
        "th_title" => t('publication.title'),
        "th_author" => t('publication.author'),
        "th_chapter" => t('publication.chapter'),
        "th_chapters" => t('publication.chapters'),
        "categories" => categories
      },
      "total_pages" => publications.total_pages
    }
  end

  def search_index
    publication_ids = Publication.order("created_at" => :desc).filter_by_categories(nil, false).pluck(:id)
    chapters = Chapter.where(:publication_id.in => publication_ids).filter_by_tags.order("sort_number" => :asc, "created_at" => :asc)
      .page(OrbitHelper.params[:page_no]).per(OrbitHelper.page_data_count).includes(:publication)
    params = OrbitHelper.params
    if !params[:keywords].blank?
      regexes = params[:keywords].split(/\s+(?=(?:[^"]*"[^"]*")*[^"]*$)/)
      regex = Regexp.union(regexes.map{|word| Regexp.new(word, "i")})
      extra_query = []
      ['title', 'keywords'].each do |key|
        I18n.available_locales.each do |locale|
          extra_query << {"#{key}.#{locale}" => regex}
        end
      end
      chapters = chapters.where({"$or" => extra_query})
    end
    data = get_show_render_data(chapters)
    @_request = OrbitHelper.request
    csrf_value = form_authenticity_token
    data['extras'].merge!({
      'search_placeholder' => t('chapter.search_placeholder'),
      'search_text' => t('chapter.keywords'),
      'search_value' => params[:keywords].to_s.gsub(/\"/,''),
      'search' => t('chapter.search'),
      'csrf_value' => csrf_value,
      'is_search' => true,
      'url' => OrbitHelper.page.url
    })
    data['extras']
    data
  end

  def show
    @show_option_items = OrbitHelper.this_module_app.show_option_items rescue nil
    layout_type = 0
    if !(@show_option_items.nil?)
      OrbitHelper.page.select_option_items.each do |select_option_item|
        if select_option_item.field_name == @show_option_items.keys.first.to_s
          value = YAML.load(select_option_item.value)
          tmp = value[:en]
          I18n.with_locale(:en) do
            if tmp == t('publication.table_style')
              layout_type = 0
            elsif tmp == t('publication.accordion_style') || tmp == t('publication.search_style')
              layout_type = 1
            end
          end
        end
      end
    end
    params = OrbitHelper.params
    publication = Publication.find_by("uid" => params[:uid])
    chapters = Chapter.where("publication_id" => publication.id).order("sort_number" => :asc, "created_at" => :asc)
                .page(OrbitHelper.page_number.to_i).per(OrbitHelper.page_data_count)
    data = get_show_render_data(chapters)
    data['publication'] = [{
      "author_display" => (!publication.author.blank? ? '' : "hide"),
      "author" => publication.author,
      "cover" => publication.cover.url,
      "cover_description" => publication.cover_description,
      "title" => publication.title,
      "pub_date_display" => (publication.pub_date ? '' : "hide"),
      "pub_date" => (publication.pub_date.strftime('%Y-%m-%d') rescue ""),
      "pub_information" => publication.pub_information,
      "file_display" => (publication.full_file ? '' : 'hide'),
      "file" => (publication.full_file ? publication.full_file.file.url : ''),
      "file_title" => (publication.full_file ? publication.full_file.title : ''),
      "file_description" => (publication.full_file ? publication.full_file.description : ''),
      "online_reader_display" => (publication.full_file && publication.is_online_flipping_reader ? '' : 'hide'),
      "online_reader" => OrbitHelper.url_to_show("#{publication.to_param}?method=online_read_publication")
    }]
    data['extras']['layout_type'] = layout_type
    data
  end

  def online_read_publication
    params = OrbitHelper.params
    publication = Publication.find_by("uid" => params[:uid]) rescue nil
    data = {
      url: (publication.full_file.file.url rescue nil),
      file_title: (c.full_file.title rescue nil),
      file_description: (c.full_file.description rescue nil),
      title: (publication.title rescue nil)
    }
  end

  def online_read_chapter
    params = OrbitHelper.params
    c = Chapter.find_by("uid" => params[:uid]) rescue nil
    data = {
      url: (c.chapter_file.file.url rescue nil),
      file_title: (c.chapter_file.title rescue nil),
      file_description: (c.chapter_file.description rescue nil),
      title: (c.title rescue nil)
    }
  end

  def chapter
    params = OrbitHelper.params
    chapters = [Chapter.find_by("uid" => params[:uid])] rescue []
    get_show_render_data(chapters)
  end

  def widget
    #code
  end

  def get_chapter_data(chapters)
    chapters.collect do |node|
      publication = node.publication
      {
        "id" => node.id.to_s,
        "title" => node.title,
        "author_display" => (!node.author.blank? ? '' : "hide"),
        "author" => (!node.author_url.blank? ? "<a title=\"#{node.author}\" href=\"#{node.author_url}\">#{node.author}</a>" : node.author),
        "author_description" => node.author_description,
        "page_display" => (!node.page.blank? ? '' : 'hide'),
        "page" => node.page,
        "keywords_display" => (!node.keywords.blank? ? '' : 'hide'),
        "keywords" => node.keywords,
        "link_to_show" => OrbitHelper.url_to_show("#{node.to_param}?method=chapter"),
        "file" => (node.chapter_file ? node.chapter_file.file.url : ''),
        "file_title" => (node.chapter_file ? node.chapter_file.title : ''),
        "file_description" => (node.chapter_file ? node.chapter_file.description : ''),
        "file_display" => (node.chapter_file ? '' : 'hide'),
        "online_reader_display" => (node.chapter_file && node.is_online_flipping_reader ? '' : 'hide'),
        "online_reader" => OrbitHelper.url_to_show("#{node.to_param}?method=online_read_chapter"),
        "tags" => node.tags.map{|tag| {
          "tag" => tag.name
        }},
        "in_class" => 'in',
        "text" => node.text,
        "link_to_publication" => (publication.is_external_link ? publication.external_link : OrbitHelper.url_to_show(publication.to_param)),
        "publication_title" => publication.title
      }
    end
  end

  def get_show_render_data(chapters)
    data = get_chapter_data(chapters)
    {
      "chapters" => data,
      "extras" => {
        "widget-title" => t("module_name.publication"),
        "th_keywords" => t('chapter.keywords'),
        "th_tags" => t('tags'),
        "th_title" => t('publications.chapter'),
        "th_pub_date" => t('publication.pub_date'),
        "th_chapter_title" => t('chapter.title'),
        "th_author" => t('chapter.author'),
        "th_page" => t('chapter.page'),
        "th_action" => t('chapter.action'),
        "th_cover" => t('publication.cover'),
        "th_download" => t('publication.download'),
        "th_online_reader" => t('publication.is_online_flipping_reader')
      },
      "total_pages" => (chapters.total_pages rescue 0)
    }
  end
end