# frozen_string_literal: true

require 'rails_helper'

describe CategorySerializer do
  fab!(:user) { Fabricate(:user) }
  fab!(:admin) { Fabricate(:admin) }
  fab!(:group) { Fabricate(:group) }
  fab!(:category) { Fabricate(:category, reviewable_by_group_id: group.id) }

  it "includes the reviewable by group name if enabled" do
    SiteSetting.enable_category_group_moderation = true
    json = described_class.new(category, scope: Guardian.new, root: false).as_json
    expect(json[:reviewable_by_group_name]).to eq(group.name)
  end

  it "doesn't include the reviewable by group name if disabled" do
    SiteSetting.enable_category_group_moderation = false
    json = described_class.new(category, scope: Guardian.new, root: false).as_json
    expect(json[:reviewable_by_group_name]).to be_blank
  end

  it "includes custom fields" do
    json = described_class.new(category, scope: Guardian.new, root: false).as_json
    expect(json[:custom_fields]).to be_empty

    category.custom_fields["enable_marketplace"] = true
    category.save_custom_fields

    json = described_class.new(category, scope: Guardian.new, root: false).as_json
    expect(json[:custom_fields]).to be_present
  end

  it "does not include the default notification level when there is no user" do
    json = described_class.new(category, scope: Guardian.new, root: false).as_json
    expect(json.key?(:notification_level)).to eq(false)
  end

  describe "user notification level" do
    it "includes the user's notification level" do
      CategoryUser.set_notification_level_for_category(user, NotificationLevels.all[:watching], category.id)
      json = described_class.new(category, scope: Guardian.new(user), root: false).as_json
      expect(json[:notification_level]).to eq(NotificationLevels.all[:watching])
    end
  end

  describe '#group_permissions' do
    fab!(:private_group) { Fabricate(:group, visibility_level: Group.visibility_levels[:staff], name: 'bbb') }

    fab!(:user_group) do
      Fabricate(:group, visibility_level: Group.visibility_levels[:members], name: 'ccc').tap do |g|
        g.add(user)
      end
    end

    before do
      group.update!(name: 'aaa')

      category.set_permissions(
        :everyone => :readonly,
        group.name => :readonly,
        user_group.name => :full,
        private_group.name => :full,
      )

      category.save!
    end

    it "does not include the attribute for an anon user" do
      json = described_class.new(category, scope: Guardian.new, root: false).as_json

      expect(json[:group_permissions]).to eq(nil)
    end

    it "does not include the attribute for a regular user" do
      json = described_class.new(category, scope: Guardian.new(user), root: false).as_json

      expect(json[:group_permissions]).to eq(nil)
    end

    it "returns the right category group permissions for a user that can edit the category" do
      SiteSetting.moderators_manage_categories_and_groups = true
      user.update!(moderator: true)

      json = described_class.new(category, scope: Guardian.new(user), root: false).as_json

      expect(json[:group_permissions]).to eq([
        { permission_type: CategoryGroup.permission_types[:readonly], group_name: group.name },
        { permission_type: CategoryGroup.permission_types[:full], group_name: private_group.name },
        { permission_type: CategoryGroup.permission_types[:full], group_name: user_group.name },
        { permission_type: CategoryGroup.permission_types[:readonly], group_name: 'everyone' },
      ])
    end
  end

  describe "available groups" do
    it "not included for a regular user" do
      json = described_class.new(category, scope: Guardian.new(user), root: false).as_json
      expect(json[:available_groups]).to eq(nil)
    end

    it "included for an admin" do
      json = described_class.new(category, scope: Guardian.new(admin), root: false).as_json
      expect(json[:available_groups]).to eq(Group.order(:name).pluck(:name) - ['everyone'])
    end
  end
end