"""Smoke tests for the constants module.

@file test_constants.py
@brief Checks the shape of the constants.
"""

from amazon_price_tracker import constants

ENV_NAMES: list[str] = [
    constants.ENV_SMTP_ADDRESS,
    constants.ENV_EMAIL_ADDRESS,
    constants.ENV_EMAIL_PASSWORD,
    constants.ENV_PRODUCT_URL,
]


def test_urls_use_https() -> None:
    """Both product URLs are https."""
    assert constants.PRACTICE_URL.startswith("https://")
    assert constants.AMAZON_URL.startswith("https://")


def test_target_price_is_positive_float() -> None:
    """The target price is a positive float."""
    assert isinstance(constants.TARGET_PRICE, float)
    assert constants.TARGET_PRICE > 0


def test_env_names_are_non_empty() -> None:
    """Every environment variable name has text."""
    assert all(name.strip() for name in ENV_NAMES)


def test_env_names_are_unique() -> None:
    """No two environment variable names collide."""
    assert len(set(ENV_NAMES)) == len(ENV_NAMES)


def test_default_headers_are_non_empty() -> None:
    """Every default header has a name and a value."""
    assert constants.DEFAULT_HEADERS
    assert all(k.strip() and v.strip() for k, v in constants.DEFAULT_HEADERS.items())


def test_selectors_and_markers_are_non_empty_tuples() -> None:
    """Selectors and robot-check markers are non-empty tuples of text."""
    for group in (
        constants.PRICE_SELECTORS,
        constants.TITLE_SELECTORS,
        constants.ROBOT_CHECK_MARKERS,
    ):
        assert isinstance(group, tuple)
        assert group
        assert all(item.strip() for item in group)


def test_price_selectors_try_specific_before_generic() -> None:
    """The a-price selector comes before the bare a-offscreen one."""
    assert constants.PRICE_SELECTORS == (".a-price .a-offscreen", ".a-offscreen")


def test_smtp_port_is_starttls_port() -> None:
    """The SMTP port is 587."""
    assert constants.SMTP_PORT == 587