require "test_helper"

class Mailings::SendClockTest < ActiveSupport::TestCase
  setup do
    @mailing = create_mailing(
      send_window_enabled: true,
      send_window_start_minutes: 10 * 60,
      send_window_end_minutes: 18 * 60,
      interval_seconds: 120
    )
  end

  test "is open inside weekday window" do
    travel_to Time.zone.local(2026, 4, 1, 11, 0, 0) do
      clock = Mailings::SendClock.new(@mailing)
      assert clock.open?
      assert_equal Time.zone.now, clock.next_send_at
    end
  end

  test "waits until window start the same weekday" do
    travel_to Time.zone.local(2026, 4, 1, 8, 30, 0) do
      clock = Mailings::SendClock.new(@mailing)
      assert_not clock.open?
      assert_equal Time.zone.local(2026, 4, 1, 10, 0, 0), clock.next_open_at
    end
  end

  test "after window end skips weekend and Italian holiday to next workday" do
    # Venerdì 3 aprile 2026 18:30. Lunedi 6 è Pasquetta → martedì 7 alle 10:00.
    travel_to Time.zone.local(2026, 4, 3, 18, 30, 0) do
      clock = Mailings::SendClock.new(@mailing)
      assert_not clock.open?
      assert_equal Time.zone.local(2026, 4, 7, 10, 0, 0), clock.next_open_at
    end
  end

  test "interval that would land after 18:00 moves to next workday" do
    travel_to Time.zone.local(2026, 4, 1, 17, 59, 0) do
      clock = Mailings::SendClock.new(@mailing)
      at = clock.next_send_at(earliest: Time.current + 120.seconds)
      assert_equal Time.zone.local(2026, 4, 2, 10, 0, 0), at
    end
  end

  test "disabled window sends anytime including weekend" do
    @mailing.update!(send_window_enabled: false)
    travel_to Time.zone.local(2026, 4, 4, 21, 0, 0) do
      clock = Mailings::SendClock.new(@mailing)
      assert clock.open?
      assert_equal Time.zone.now, clock.next_send_at
    end
  end
end

class Italy::HolidaysTest < ActiveSupport::TestCase
  test "computes Easter and Italian fixed holidays" do
    assert_equal Date.new(2026, 4, 5), Italy::Holidays.easter_date(2026)
    assert Italy::Holidays.holiday?(Date.new(2026, 4, 5))
    assert Italy::Holidays.holiday?(Date.new(2026, 4, 6))
    assert Italy::Holidays.holiday?(Date.new(2026, 8, 15))
    assert_not Italy::Holidays.holiday?(Date.new(2026, 4, 7))
  end
end