# frozen_string_literal: true

describe "GiftExchange" do
  fab!(:automation) do
    Fabricate(
      :automation,
      script: DiscourseAutomation::Scripts::GIFT_EXCHANGE,
      trigger: DiscourseAutomation::Triggers::POINT_IN_TIME,
    )
  end
  fab!(:gift_group) { Fabricate(:group) }
  fab!(:user_1) { Fabricate(:user) }
  fab!(:user_2) { Fabricate(:user) }
  fab!(:user_3) { Fabricate(:user) }

  before do
    SiteSetting.discourse_automation_enabled = true

    gift_group.add(user_1)
    gift_group.add(user_2)
    gift_group.add(user_3)

    automation.upsert_field!(
      "gift_exchangers_group",
      "group",
      { value: gift_group.id },
      target: "script",
    )
    automation.upsert_field!(
      "giftee_assignment_messages",
      "pms",
      {
        value: [
          {
            title: "Gift {{year}}",
            raw: "@{{gifter_username}} you should send a gift to {{giftee_username}}",
          },
        ],
      },
      target: "script",
    )
  end

  context "when run from point_in_time trigger" do
    before do
      automation.upsert_field!(
        "execute_at",
        "date_time",
        { value: 3.hours.from_now },
        target: "trigger",
      )
    end

    it "creates expected PM" do
      freeze_time 6.hours.from_now do
        expect {
          Jobs::DiscourseAutomation::Tracker.new.execute

          raws = Post.order(created_at: :desc).limit(3).pluck(:raw)
          expect(raws.any? { |r| r.start_with?("@#{user_1.username}") }).to be_truthy
          expect(raws.any? { |r| r.start_with?("@#{user_2.username}") }).to be_truthy
          expect(raws.any? { |r| r.start_with?("@#{user_3.username}") }).to be_truthy
          expect(raws.any? { |r| r.end_with?("#{user_1.username}") }).to be_truthy
          expect(raws.any? { |r| r.end_with?("#{user_2.username}") }).to be_truthy
          expect(raws.any? { |r| r.end_with?("#{user_3.username}") }).to be_truthy

          title = Post.order(created_at: :desc).limit(3).map { |post| post.topic.title }.uniq.first
          expect(title).to eq("Gift #{Time.zone.now.year}")
        }.to change { Post.count }.by(3) # each pair receives a PM
      end
    end
  end
end