class CarrierTypesController < ApplicationController
  before_action :set_carrier_type, only: [:edit, :update, :destroy]
  before_action :check_policy, only: [:index, :new, :create]
  before_action :prepare_options, only: [:new, :edit]
  skip_after_action :verify_authorized

  # GET /carrier_types
  # GET /carrier_types.json
  def index
    @carrier_types = CarrierType.order(:position).page(params[:page])

    respond_to do |format|
      format.html # index.html.erb
      format.json { render json: @carrier_types }
    end
  end

  # GET /carrier_types/1
  # GET /carrier_types/1.json
  def show
    @carrier_type = CarrierType.find(params[:id])
    unless params[:format] == 'download'
      authorize @carrier_type
    end
    if @carrier_type.attachment.path
      if ENV['ENJU_STORAGE'] == 's3'
        file = Faraday.get(@carrier_type.attachment.expiring_url).body.force_encoding('UTF-8')
      else
        file = @carrier_type.attachment.path
      end
    end

    respond_to do |format|
      format.html # show.html.erb
      format.json { render json: @carrier_type }
      format.download {
        render_image(file)
      }
    end
  end

  # GET /carrier_types/new
  # GET /carrier_types/new.json
  def new
    @carrier_type = CarrierType.new

    respond_to do |format|
      format.html # new.html.erb
      format.json { render json: @carrier_type }
    end
  end

  # GET /carrier_types/1/edit
  def edit
  end

  # POST /carrier_types
  # POST /carrier_types.json
  def create
    @carrier_type = CarrierType.new(carrier_type_params)

    respond_to do |format|
      if @carrier_type.save
        format.html { redirect_to @carrier_type, notice: t('controller.successfully_created', model: t('activerecord.models.carrier_type')) }
        format.json { render json: @carrier_type, status: :created, location: @carrier_type }
      else
        prepare_options
        format.html { render action: "new" }
        format.json { render json: @carrier_type.errors, status: :unprocessable_entity }
      end
    end
  end

  # PUT /carrier_types/1
  # PUT /carrier_types/1.json
  def update
    if params[:move]
      move_position(@carrier_type, params[:move])
      return
    end

    respond_to do |format|
      if @carrier_type.update(carrier_type_params)
        format.html { redirect_to @carrier_type, notice: t('controller.successfully_updated', model: t('activerecord.models.carrier_type')) }
        format.json { head :no_content }
      else
        prepare_options
        format.html { render action: "edit" }
        format.json { render json: @carrier_type.errors, status: :unprocessable_entity }
      end
    end
  end

  # DELETE /carrier_types/1
  # DELETE /carrier_types/1.json
  def destroy
    @carrier_type.destroy

    respond_to do |format|
      format.html { redirect_to carrier_types_url, notice: t('controller.successfully_deleted', model: t('activerecord.models.carrier_type')) }
      format.json { head :no_content }
    end
  end

  private
  def set_carrier_type
    @carrier_type = CarrierType.find(params[:id])
    authorize @carrier_type
  end

  def check_policy
    authorize CarrierType
  end

  def carrier_type_params
    params.require(:carrier_type).permit(
      :name, :display_name, :note, :position,
      :attachment,
      # EnjuCirculation
      {
        carrier_type_has_checkout_types_attributes: [
          :id, :checkout_type_id, :_destroy
        ]
      }
    )
  end

  def prepare_options
    if defined?(EnjuCirculation)
      @checkout_types = CheckoutType.select([:id, :display_name, :position])
    end
  end

  def render_image(file)
    if @carrier_type.attachment.path
      if ENV['ENJU_STORAGE'] == 's3'
        send_data file, filename: File.basename(@carrier_type.attachment_file_name), type: @carrier_type.attachment_content_type, disposition: 'inline'
      else
        if File.exist?(file) && File.file?(file)
          send_file file, filename: File.basename(@carrier_type.attachment_file_name), type: @carrier_type.attachment_content_type, disposition: 'inline'
        end
      end
    end
  end
end