class UniversalTablesController < ApplicationController
	include Admin::UniversalTablesHelper
	def index
		params = OrbitHelper.params
		table = UTable.where(:category_id => OrbitHelper.page_categories.first).first rescue nil
		page = OrbitHelper.page rescue Page.where(:page_id => params[:page_id]).first
		searchable_columns = [] 
		if !table.nil?
			reset = "hide"
			csrf_value = (0...46).map { ('a'..'z').to_a[rand(26)] }.join
			params_q = params["q"].to_h.each{|_, v| v.gsub!("\"", '')} rescue {}
			params_no = params["page_no"].to_s.gsub("\"",'')
			if params_q.present?
				query_string = '&' + params_q.map{|k, v| ["q[#{k}]",v]}.to_h.to_query
			else
				query_string = ''
			end
			query_string += "&page_no=#{params_no}" if params_no.present?
			csrf_input = "<input type=\"hidden\" name=\"authenticity_token\" value=\"#{csrf_value}\">"
			have_serial_number = (page.layout != 'index1')
			table_heads = table.table_columns.where(:display_in_index => true).asc(:order).collect do |tc|
				field_key = tc.key
				field_value = params_q[field_key]
				field_value = nil if field_value.blank?
				search = ""
				sort_class = "sort"
				sort = ""
				form_field = "#{csrf_input}<input type=\"search\" class=\"form-control\" name=\"q[#{field_key}]\" value=\"#{field_value}\" placeholder=\"Search keyword\">"
				sort_url = "/#{I18n.locale.to_s}#{page.url}?sortcolumn=#{field_key}&sort=asc#{query_string}"
				title_class = ""
				case tc.type
				when "date"
					search = "hide"
				when "period","image"
					sort_class = "sort hide"
					search = "hide"
					sort_url = "#"
					sort = "hide"
				when "editor"
					sort_url = "#"
					sort = "hide"
					sort_class = "sort hide"
				when "text"
					if tc.make_categorizable
						select_values = tc.column_entries.distinct("text.#{I18n.locale.to_s}")
						form_field = "#{csrf_input}<select class=\"form-control\" name=\"q[#{field_key}]\">"
						if field_value.nil?
							select_values.insert(0, "")
						end
						select_values.each do |sv|
							if field_value && sv == field_value
								selected = " selected"
							else
								selected = ""
							end
							form_field += "<option value=\"#{sv}\"#{selected}>#{sv}</option>"
						end
						form_field += "</select>"
					end
				when "integer"
					if tc.make_categorizable
						select_values = tc.column_entries.distinct(:number)
						form_field = "#{csrf_input}<select class=\"form-control\" name=\"q[#{field_key}]\">"
						if field_value.nil?
							select_values.insert(0, "")
						end
						select_values.each do |sv|
							if field_value && sv == field_value
								selected = " selected"
							else
								selected = ""
							end
							form_field += "<option value=\"#{sv}\"#{selected}>#{sv}</option>"
						end
						form_field += "</select>"
					end
				end

				if params["sortcolumn"] == field_key
					sort_class = params["sort"] == "asc" ? "sort-desc" : "sort-asc"
					sort_url = "/#{I18n.locale.to_s}#{page.url}?sortcolumn=#{field_key}&sort=#{params["sort"] == "asc" ? "desc" : "asc"}#{query_string}"
				end

				title_class = title_class + "no-sort" if sort == "sort"
				title_class = title_class + " no-search" if search == "hide"

				col_class = 'col-md-4 col-xs-12'

				col = {
					"title" => tc.title,
					"type" => tc.type,
					"key" => field_key,
					"search" => search,
					"form-field" => form_field,
					"sort" => sort,
					"sort-class" => sort_class,
					"sort-url" => sort_url,
					"title-class" => title_class,
					"col-class" => col_class
				}
				if tc.is_searchable
					searchable_columns << col
				end
				col
			end
			tablecolumns = table.table_columns.where(:display_in_index => true).asc(:order)
			rows = []
			entries = get_entries(params, table, page)
			total_pages = entries.total_pages
			if have_serial_number
				page_no_offset = (params_no.present? ? [0, params_no.to_i - 1].max : 0)
				serial_number_count = page_no_offset * OrbitHelper.page_data_count
				table_heads.insert(0, {
					"title" => "No.",
					"type" => "",
					"key" => "",
					"search" => "hide",
					"form-field" => "",
					"sort" => "hide",
					"sort-class" => "sort hide",
					"sort-url" => "",
					"title-class" => " no-search"
				})
			end
			entries.each do |te|
				cols = []
				sort_value = ""
				if have_serial_number
					serial_number_count += 1
					cols << {"text" => serial_number_count.to_s}
				end
				tablecolumns.each do |column|
					ce = te.column_entries.where(:table_column_id => column.id).first rescue nil
					if !ce.nil?
						text = ce.get_frontend_text(column)
						if column.is_link_to_show
							text = "<a href='#{OrbitHelper.url_to_show("-" + te.uid)}'>#{text}</a>"
						end

						cols << {"text" => text}
					else
						cols << {"text" => ""}
					end
				end
				rows << {
					"columns" => cols
				}
			end
		end
		export_button = ""
		if get_query(params).present?
			reset = ""
			if !OrbitHelper.current_user.nil?
				p = {}
				params.each do |k,v|
					p[k] = v if ["q","column","sort","sortcolumn"].include?(k)
				end
				export_button = "<a href='/xhr/universal_table/export.xlsx?cat=#{OrbitHelper.page_categories.first}&page_id=#{page.page_id}&#{p.to_param}'>Export</a>"
			end
			total_entries =  t("universal_table.total_number_of_entries", :total_number => entries.total_count)
		elsif params["sortcolumn"].present?
			reset = ""
		end
		{
			"searchable-columns" => searchable_columns,
			"head-columns" => table_heads,
			"rows" => rows,
			"total_pages" => total_pages,
			"extras" => {
				"total_entries" => total_entries,
				"table-name" => table.title,
				"export_button" => export_button,
				"reset" => reset,
				"url" => "/#{I18n.locale.to_s}#{page.url}"
			}
		}
	end

	def export_filtered
		table = UTable.where(:category_id => params[:cat]).first rescue nil
		page = Page.where(:page_id => params[:page_id]).first
		if !table.nil?
			host_url = Site.first.root_url
			if host_url == "http://"
				host_url = request.protocol + request.host_with_port
			end
			@rows = []
			@tablecolumns = table.table_columns.where(:display_in_index => true).asc(:order)
			entries = get_entries(params, table, page, false)
			entries.each do |te|
				cols = []
				sort_value = ""
				@tablecolumns.each do |column|
					ce = te.column_entries.where(:table_column_id => column.id).first rescue nil
					if !ce.nil?
						text = ""
						case ce.type
						when "text"
							text = ce.text
						when "integer"
							text = ce.number
						when "editor"
							text = ce.content
						when "date"
							text = format_date(ce.date, column.date_format)
						when "period"
							text = format_date(ce.period_from, column.date_format) + " ~ " + format_date(ce.period_to, column.date_format)
							text = "" if text.starts_with?(" ~")
						when "image"
							text = host_url + ce.image.thumb.url
						when "file"
							file_links = []
							locale = I18n.locale.to_s
							ce.column_entry_files.desc(:sort_number).each do |entry_file|
				                next unless entry_file.choose_lang_display(locale)
				                file_links << (host_url + entry_file.get_link)
				            end
							text = file_links.join("\r\n")
						end
						cols << {"text" => text}
					else
						cols << {"text" => ""}
					end
				end
				@rows << {
					"columns" => cols
				}
			end
			excel_name = table.title + ".xlsx"
			excel_name = 'attachment; filename="' + excel_name + '"'

		end
		respond_to do |format|
	      format.xlsx {
	        response.headers['Content-Disposition'] = excel_name
	      }
	    end
	end

	def get_query(params)
		if params["column"].present?
			q = {params["column"] => params["q"]}
		else
			q = params["q"]
		end
		if q.present?
			q.map{|k,v| [k, v.to_s.strip] if v.present?}.compact.to_h
		else
			nil
		end
	end

	def get_entries(params, table, page, paginated=true)
		entries = []
		q = get_query(params)
		if q.present?
			table_entry_ids = nil
			q.each do |k, v|
				column = table.table_columns.where(:key => k).first
				next if column.nil?
				# if column.make_categorizable
				# 	regex = Regexp.new(".*"+v+".*", "i")
				# else
				# 	regexes = v.split(/\s+(?=(?:[^"]*"[^"]*")*[^"]*$)/)
				# 	regex = Regexp.union(regexes.map{|word| Regexp.new(".*"+word+".*", "i")})
				# end
				regex = Regexp.new(".*"+v+".*", "i")
				if column.type == "text"
					columns = column.column_entries.any_of([{"text.en" => regex}, {"text.zh_tw" => regex}])
				elsif column.type == "editor"
					columns = column.column_entries.any_of([{"content.en" => regex}, {"content.zh_tw" => regex}])
				end
				# .or(:"content.en" => regex).or(:"content.zh_tw" => regex)
				tmp = columns.pluck(:table_entry_id)
				if table_entry_ids.nil?
					table_entry_ids = tmp
				else
					table_entry_ids = table_entry_ids & tmp
				end
			end
			if table_entry_ids.nil?
				entries = TableEntry.where(:u_table_id=>table.id, "have_data.#{I18n.locale}" => {"$in" => [nil, true]})
			else
				entries = TableEntry.where(:id.in=> table_entry_ids, "have_data.#{I18n.locale}" => {"$in" => [nil, true]})
			end
			entries = TableEntry.sorted(entries: entries, params: params, table: table, paginated: paginated)
			if paginated
				entries = entries.page(params["page_no"]).per(OrbitHelper.page_data_count)
			end
		else
			if paginated
				entries = TableEntry.where(:u_table_id=>table.id, "have_data.#{I18n.locale}" => {"$in" => [nil, true]}).sorting(params: params,table: table,page_num: params["page_no"],per: OrbitHelper.page_data_count)
			else
				entries = TableEntry.where(:u_table_id=>table.id, "have_data.#{I18n.locale}" => {"$in" => [nil, true]}).sorting(params: params,table: table,paginated: false)
			end
		end
		entries
	end

	def show
		params = OrbitHelper.params
		entry = TableEntry.where(:uid => params[:uid]).first rescue nil
		rows = []

		entry.column_entries.each do |ce|
			ct = ce.table_column
			text = ce.get_frontend_text(ct)
			rows << {
				"title" => ct.title,
				"text" => text,
				"order" => ct.order
			} if text != ""
		end
    	sorted = rows.sort{ |k,v| k["order"] <=> v["order"] }
    	entry.inc(view_count: 1)
    	{
    		"entry" => sorted,
    		"extras" => {
    			"view_count_head" => I18n.t("view_count"),
    			"view_count" => entry.view_count
    		}
    	}
	end

	def download_file
		file_id = params[:file]
		file = ColumnEntryFile.find(file_id) rescue nil
		if !file.nil? && file.file.present?
			file.inc(download_count: 1)
			@url = file.file.url
			begin
				@path = file.file.file.file rescue ""
				@filename = File.basename(@path)
				@ext = @filename.split(".").last
				if @ext == "png" || @ext == "jpg" || @ext == "bmp" || @ext == "pdf"
					render "download_file",:layout=>false
				else
					if (current_site.accessibility_mode rescue false)
						render "redirect_to_file",:layout=>false
					else
						user_agent = request.user_agent.downcase
						@escaped_file_name = user_agent.match(/(msie|trident)/) ? CGI::escape(@filename) : @filename
						send_file(@path, :type=>"application/octet-stream", :filename => @escaped_file_name, :x_sendfile=> true)
					end
				end
			rescue
				redirect_to @url
			end
		else
			render :file => "#{Rails.root}/app/views/errors/404.html", :layout => false, :status => :not_found
		end
	end
end