# encoding=utf-8
class StatisticsController < ApplicationController
  # GET /statistics
  # GET /statistics.json
  layout 'base_statistic'
  before_filter :get_date, :only => [:index, :new]
  before_filter :require_login
  before_filter :find_statistic, :only => [:show, :edit, :update, :destroy]
  before_filter :require_manager, :only =>[:edit, :update, :destroy]

  def index
    type = (params[:type] == "reorder_popu" ? "size" : "created_at")
    order = (params[:order] == "asc" ? "asc" : "desc")
    if params[:sub_category_id].present?
      @statistics = Statistic.where(:sub_category_id => params[:sub_category_id])
      sub_category_id =  '(' + params[:sub_category_id].to_a.join(",") + ')'
      @statistics = Statistic.find_by_sql("SELECT statistics.*, (select sum(filesize) from attachments where attachments.container_type='Statistic' and
                                         attachments.container_id = statistics.id group by attachments.container_id) as size from statistics where sub_category_id in #{sub_category_id} order by #{type} #{order}")
    else
      if params[:main_category_id].present?
        @statistics = Statistic.find_by_sql("SELECT statistics.*, (select sum(filesize) from attachments where attachments.container_type='Statistic' and
                                         attachments.container_id = statistics.id group by attachments.container_id) as size from statistics where main_category_id = #{params[:main_category_id]} order by #{type} #{order}")
      else
        @statistics = Statistic.find_by_sql("SELECT statistics.*, (select sum(filesize) from attachments where attachments.container_type='Statistic' and
                                         attachments.container_id = statistics.id group by attachments.container_id) as size from statistics order by #{type} #{order}")
      end
    end
    @statistics_count = @statistics.count
    @limit = 10
    @is_remote = true
    @statistics_pages = Paginator.new @statistics_count, @limit, params['page'] || 1
    @offset ||= @statistics_pages.offset
    @statistics = paginateHelper @statistics, @limit
    respond_to do |format|
      format.js
      format.html # index.html.erb
      format.json { render json: @statistics }
    end
  end

  def search

  end

  # GET /statistics/1
  # GET /statistics/1.json
  def show
    @attachments = @statistic.attachments
    respond_to do |format|
      format.html # show.html.erb
      format.json { render json: @statistic }
    end
  end

  # GET /statistics/new
  # GET /statistics/new.json
  def new
    @statistic = Statistic.new
    @sub_categories = @main_categories.first.sub_categories
    respond_to do |format|
      format.html # new.html.erb
      format.json { render json: @statistic }
    end
  end

  # GET /statistics/1/edit
  def edit
    @main_categories = MainCategory.all
    main_category = MainCategory.find(@statistic.main_category_id)
    @sub_categories = main_category.sub_categories
  end

  # POST /statistics
  # POST /statistics.json
  def create
    @statistic = Statistic.new(params[:statistic])
    @statistic.user_id = User.current.id
    @statistic.save_attachments_containers(params[:attachments], User.current, true)
    respond_to do |format|
      if @statistic.save
        format.html { redirect_to @statistic, notice: '创建成功' }
        format.json { render json: @statistic, status: :created, location: @statistic }
      else
        format.html { render action: "new" }
        format.json { render json: @statistic.errors, status: :unprocessable_entity }
      end
    end
  end

  # PUT /statistics/1
  # PUT /statistics/1.json
  def update

    respond_to do |format|
      if @statistic.update_attributes(params[:statistic])
        # @statistic.save_attachments_containers(params[:attachments], User.current, true)
        if params[:attachments].present?
          params[:attachments].each_value do |attachment|
            temp_attachment = Attachment.where(:id => attachment['attachment_id']).first
            if temp_attachment.present? && temp_attachment.container_id.blank?
              temp_attachment.update_attributes(:container_id => @statistic.id, :container_type => "Statistic")
            end
          end
        end
        
        format.html { redirect_to @statistic, notice: '更新成功' }
        format.json { head :no_content }
      else
        format.html { render action: "edit" }
        format.json { render json: @statistic.errors, status: :unprocessable_entity }
      end
    end
  end

  # DELETE /statistics/1
  # DELETE /statistics/1.json
  def destroy
    @statistic.destroy

    respond_to do |format|
      format.html { redirect_to statistics_url }
      format.json { head :no_content }
    end
  end

  def get_sub_category
    if params[:main_category_id].present?
      main_category = MainCategory.find(params[:main_category_id])
      @sub_categories = main_category.sub_categories
    else
      @sub_categories = SubCategory.all
    end
    if params[:come_from] == "statistics_index"
      redirect_to statistics_url(:come_from => "statistics_index", :sub_category_id => (@sub_categories.present? ? nil : @sub_categories.map(&:id)), :main_category_id => params[:main_category_id])
    else
      respond_to do |format|
        format.js
      end
    end
  end

  private
  def get_date
    @main_categories = MainCategory.all
    @sub_categories = params[:main_category_id].present? ? SubCategory.where(:main_category_id => params[:main_category_id]) : SubCategory.all
  end

  def find_statistic
    @statistic = Statistic.find(params[:id])
  rescue ActiveRecord::RecordNotFound
    render_404
  end

  def require_manager
    render_403 unless (User.current.id == @statistic.user_id || User.current.admin?)
  end
end