from wabot.pacing import HumanPacing, NoPacing


class TestNoPacing:
    def test_delay_is_zero_for_every_action(self):
        p = NoPacing()
        assert p.delay("text") == 0.0
        assert p.delay("select") == 0.0
        assert p.delay("unknown-action") == 0.0

    def test_click_offset_is_none(self):
        assert NoPacing().click_offset(200, 50) is None


class TestHumanPacing:
    def test_delays_fall_in_documented_ranges(self):
        p = HumanPacing()
        for _ in range(50):
            assert 3.0 <= p.delay("text") <= 5.0
            assert 6.0 <= p.delay("select") <= 11.0
            assert 2.0 <= p.delay("checkbox") <= 3.0
            assert 3.0 <= p.delay("navigate") <= 6.0

    def test_unknown_action_has_no_delay(self):
        assert HumanPacing().delay("unknown-action") == 0.0

    def test_delays_actually_vary(self):
        assert len({HumanPacing().delay("text") for _ in range(50)}) > 1

    def test_click_offset_stays_inside_element(self):
        p = HumanPacing()
        offsets = []
        for _ in range(200):
            offset = p.click_offset(100, 40)
            assert offset is not None
            offsets.append(offset)
            x, y = offset
            # offsets are measured from the element CENTER (selenium 4)
            assert -49 <= x <= 49
            assert -19 <= y <= 19
        assert any(o != (0, 0) for o in offsets)

    def test_tiny_elements_get_plain_click(self):
        p = HumanPacing()
        assert p.click_offset(4, 40) is None
        assert p.click_offset(40, 4) is None