class UserController < ApplicationController
  before_filter :authenticate_user!

  alias :list :active_list

  # POST /user/create_list {table_id: 1234}
  def create_list
    @table = Table.find(params[:table_id])
    if @table.occupied?
      redirect_to root_path, alert: t('table.is_occupied')
    else
      @list = List.new(table: @table, supplier_id: @table.supplier_id)
      @list.add_user current_user
      #@list.add_user(current_user)
      @list.save
      session[:active_list_id] = @list.id
      redirect_to user_list_products_path
    end
  end

  def list_products
    @supplier = Supplier.first
    render layout: 'phone'
  end

  # GET /user/current_list.json
  # Information about the currently active list
  # This information includes detailed order information
  def active_list
    respond_to do |format|
      format.html do
        redirect_to(root_path, alert: t('messages.there_is_no_list_active')) and return unless list.present?
        render layout: 'phone'
      end
      format.json do
        @list = list
        @list.orders.include_relations(product_orders: :product)
        h = @list.as_json
        h[:orders] = []
        h[:list_active] = @list.active?
        list_total = 0.0
        for order in @list.orders
          ho = {products: []}
          order_total = 0.0
          for product_order in order.product_orders
            order_total += (product_order.amount * product_order.price).round(2)
            ho[:products] << {name: product_order.product.name, id: product_order.product_id, number: product_order.amount, price: product_order.price}
          end
          ho[:total_amount] = order_total.round(2)
          ho[:state] = order.state
          list_total += ho[:total_amount]
          h[:orders] << ho
        end 
        h[:total_amount] = list_total.round(2)
        render json: h
      end
    end
  end

  # GET /user/list_info.json
  # Information about the currently active list
  # Fast version to verify wether the is is still currently active
  def list_info
    respond_to do |format|
      format.json do
        render json: {list_active: false} and return unless list.present?
        render json: list.as_json.merge(list_active: true)
      end
    end
  end

  # POST /user/needs_help.json
  def needs_help
    respond_to do |format|
      format.json do
        render json: {list_active: false} and return unless list.present?
        list.needs_help = true
        list.save
        render json: list.as_json.merge(list_active: true)
      end
    end
  end

  # POST /user/list_needs_payment.json
  def list_needs_payment
    respond_to do |format|
      format.json do
        render json: {list_active: false} and return unless list.present?
        list.needs_payment = true
        list.save
        render json: list.as_json.merge(list_active: true)
      end
    end
  end

  ##
  # Displays the closed lists of the user
  def list_history
    render layout: 'phone'
  end

  ##
  # Displays a closed list of the user
  # GET /user/list_history/:list_id
  def history_list
    @list = List.find(params[:list_id])
    redirect_to user_root_path, alert: t('messages.illegal_history_list_attempt') and return unless @list.user_ids.include?(current_user.id)
    render layout: 'phone'
  end

end