# frozen_string_literal: true

RSpec.describe ColumnPreference do
  subject {
    ColumnPreference.new(
      user:, action_name: :customers_index, column_name: :email
    )
  }
  let(:user) { build(:user) }

  it { is_expected.to belong_to(:user).required }

  describe "finding stored preferences for a user and action" do
    before do
      allow(ColumnPreference).to receive(:known_actions) { ['some_action'] }
      allow(ColumnPreference).to receive(:valid_columns_for) { ['col1', 'col2', 'col3'] }
    end

    let!(:col1_pref) {
      ColumnPreference.create(user:, action_name: 'some_action', column_name: 'col1',
                              visible: true)
    }
    let!(:col2_pref) {
      ColumnPreference.create(user:, action_name: 'some_action', column_name: 'col2',
                              visible: false)
    }
    let(:defaults) {
      {
        col1: { name: "col1", visible: false },
        col2: { name: "col2", visible: true },
        col3: { name: "col3", visible: false },
      }
    }

    context "when the user has preferences stored for the given action" do
      before do
        allow(ColumnPreference).to receive(:some_action_columns) { defaults }
      end

      let(:preferences) { ColumnPreference.for(user, :some_action) }

      it "builds an entry for each column listed in the defaults" do
        expect(preferences.count).to eq 3
      end

      it "uses values from stored preferences where present" do
        expect(preferences).to include col1_pref, col2_pref
      end

      it "uses defaults where no stored preference exists" do
        default_pref = preferences.last
        expect(default_pref).to be_a_new ColumnPreference
        expect(default_pref.visible).to be false # As per default
      end
    end

    context "where the user does not have preferences stored for the given action" do
      before do
        allow(ColumnPreference).to receive(:some_action_columns) { defaults }
      end

      let(:preferences) { ColumnPreference.for(create(:user), :some_action) }

      it "builds an entry for each column listed in the defaults" do
        expect(preferences.count).to eq 3
      end

      it "uses defaults where no stored preference exists" do
        expect(preferences.all?(&:new_record?)).to be true
        expect(preferences.map(&:column_name)).to eq ["col1", "col2", "col3"]
        expect(preferences.map(&:visible)).to eq [false, true, false]
      end
    end
  end

  describe "filtering default_preferences" do
    let(:name_preference) { double(:name_preference) }
    let(:schedules_preference) { double(:scheudles_preference) }
    let(:default_preferences) { { name: name_preference, schedules: schedules_preference } }
    context "when the action is order_cycles_index" do
      let(:action_name) { "order_cycles_index" }

      context "and the user owns a subscriptions-enabled enterprise" do
        let!(:enterprise) { create(:distributor_enterprise, enable_subscriptions: true) }

        it "removes the schedules column from the defaults" do
          ColumnPreference.filter(default_preferences, enterprise.owner, action_name)
          expect(default_preferences[:schedules]).to eq schedules_preference
        end
      end

      context "and the user does not own a subscriptions-enabled enterprise" do
        let!(:enterprise) { create(:distributor_enterprise, enable_subscriptions: false) }

        it "removes the schedules column from the defaults" do
          ColumnPreference.filter(default_preferences, enterprise.owner, action_name)
          expect(default_preferences[:schedules]).to be nil
        end
      end
    end
  end
end