# frozen_string_literal: true

module Api
  # CartsController
  class CartsController < AuthenticatedController
    append_before_action :initialize_cart

    def show
      render json: serialized_object.serializable_hash, status: :ok
    end

    def create
      product_cart = @cart.product_carts.new(product_id: permitted_params[:product_id],
                                             quantity: permitted_params[:quantity])

      if product_cart.save
        render json: serialized_object.serializable_hash, status: :ok
      else
        render json: { errors: product_cart.as_json }, status: :unprocessable_entity
      end
    end

    def destroy
      product = @cart.product_carts.products.find_by(public_id: params[:id])

      render status: :not_found and return if product.nil?

      @cart.product_carts.find_by(cart_id: @cart.id, product_id: product.id).destroy

      render status: :no_content
    end

    private

    def serialized_object
      CartSerializer.new(@cart)
    end

    def permitted_params
      params.permit(:product_id, :quantity)
    end

    def initialize_cart
      @cart = current_user_account.cart
    end
  end
end