require "spec_helper"

describe Spree::OrderContents do
  describe "#add_to_line_item" do
    context "given a variant which is an assembly" do
      it "creates a PartLineItem for each part of the assembly" do
        order = create(:order)
        assembly = create(:product)
        pieces = create_list(:product, 2)
        pieces.each do |piece|
          create(:assemblies_part, assembly: assembly, part: piece.master)
        end

        contents = described_class.new(order)

        line_item = contents.add_to_line_item_with_parts(assembly.master, 1)

        part_line_items = line_item.part_line_items

        expect(part_line_items[0].line_item_id).to eq line_item.id
        expect(part_line_items[0].variant_id).to eq pieces[0].master.id
        expect(part_line_items[0].quantity).to eq 1
        expect(part_line_items[1].line_item_id).to eq line_item.id
        expect(part_line_items[1].variant_id).to eq pieces[1].master.id
        expect(part_line_items[1].quantity).to eq 1
      end
    end

    context "given parts of an assembly" do
      it "creates a PartLineItem for each part" do
        order = create(:order)
        assembly = create(:product)

        red_option = create(:option_value, presentation: "Red")
        blue_option = create(:option_value, presentation: "Blue")

        option_type = create(:option_type,
                             presentation: "Color",
                             name: "color",
                             option_values: [
                               red_option,
                               blue_option
                             ])

        keychain = create(:product_in_stock)

        shirt = create(:product_in_stock,
                       option_types: [option_type],
                       can_be_part: true)

        create(:variant_in_stock, product: shirt, option_values: [red_option])
        create(:variant_in_stock, product: shirt, option_values: [blue_option])

        create(:assemblies_part,
               assembly_id: assembly.id,
               part_id: keychain.master.id)
        create(:assemblies_part,
               assembly_id: assembly.id,
               part_id: shirt.master.id,
               variant_selection_deferred: true)
        assembly.reload

        contents = Spree::OrderContents.new(order)

        line_item = contents.add_to_line_item_with_parts(assembly.master, 1, {
          "selected_variants" => {
            "#{assembly.assemblies_parts.last.id}" => "#{shirt.variants.last.id}"
          }
        })

        part_line_items = line_item.part_line_items

        expect(part_line_items[0].line_item_id).to eq line_item.id
        expect(part_line_items[0].variant_id).to eq keychain.master.id
        expect(part_line_items[0].quantity).to eq 1
        expect(part_line_items[1].line_item_id).to eq line_item.id
        expect(part_line_items[1].variant_id).to eq shirt.variants.last.id
        expect(part_line_items[1].quantity).to eq 1
      end
    end
  end
end