# frozen_string_literal: true

# API Controller for resources of type Product
# Products are used in store
class API::ProductsController < API::ApiController
  before_action :authenticate_user!, except: %i[index show]
  before_action :set_product, only: %i[show update destroy]

  def index
    @products = ProductService.list
  end

  def show; end

  def create
    authorize Product
    @product = Product.new(product_params)
    if @product.amount.present?
      if @product.amount.zero?
        @product.amount = nil
      else
        @product.amount *= 100
      end
    end
    if @product.save
      render status: :created
    else
      render json: @product.errors.full_messages, status: :unprocessable_entity
    end
  end

  def update
    authorize @product

    product_parameters = product_params
    if product_parameters[:amount].present?
      if product_parameters[:amount].zero?
        product_parameters[:amount] = nil
      else
        product_parameters[:amount] *= 100
      end
    end
    if @product.update(product_parameters)
      render status: :ok
    else
      render json: @product.errors.full_messages, status: :unprocessable_entity
    end
  end

  def destroy
    authorize @product
    @product.destroy
    head :no_content
  end

  private

  def set_product
    @product = Product.find(params[:id])
  end

  def product_params
    params.require(:product).permit(:name, :slug, :sku, :description, :is_active,
                                    :product_category_id, :amount, :quantity_min,
                                    :low_stock_alert, :low_stock_threshold,
                                    machine_ids: [],
                                    product_files_attributes: %i[id attachment _destroy],
                                    product_images_attributes: %i[id attachment _destroy])
  end
end