# frozen_string_literal: true

shared_examples "#squash_many_duplicates" do |model|
  before do
    @primary = create(model, title: "primary")
    @dup1 = create(model, title: "dup1")
    @dup2 = create(model, title: "dup2")
  end

  context "happy path" do
    before do
      post :squash_many_duplicates, params: {primary_id: @primary.id, duplicate_id_1: @dup1.id, duplicate_id_2: @dup2.id}
    end

    it "squashes the duplicates into the primary" do
      expect(@primary.duplicate_ids).to match_array([@dup1.id, @dup2.id])
    end

    it "redirects to duplicates page for more duplicate squashing" do
      expect(response).to redirect_to("/#{model}s/duplicates")
    end

    it "sets the flash success message" do
      expect(flash[:success]).to eq(%(Squashed duplicate #{model}s ["dup1", "dup2"] into primary #{@primary.id}.))
    end
  end

  context "with no primary" do
    it "redirects with a failure message" do
      post :squash_many_duplicates, params: {duplicate_id_1: @dup1.id, duplicate_id_2: @dup2.id}
      expect(flash[:failure]).to eq("A primary #{model} must be selected.")
      expect(response).to redirect_to("/#{model}s/duplicates")
    end
  end

  context "with no duplicates" do
    it "redirects with a failure message" do
      post :squash_many_duplicates, params: {primary_id: @primary.id}
      expect(flash[:failure]).to eq("At least one duplicate #{model} must be selected.")
      expect(response).to redirect_to("/#{model}s/duplicates")
    end
  end

  context "with duplicates containing primary" do
    it "redirects with a failure message" do
      post :squash_many_duplicates, params: {primary_id: @primary.id, duplicate_id_1: @primary.id}
      expect(flash[:failure]).to eq("The primary #{model} could not be squashed into itself.")
      expect(response).to redirect_to("/#{model}s/duplicates")
    end
  end
end
