"""Tests of the constants module.

@file test_constants.py
@brief Checks the key values of flash_card.constants.
"""

from flash_card import constants


def test_flip_delay_ms_is_three_seconds() -> None:
    assert constants.FLIP_DELAY_MS == 3000


def test_background_color_is_green() -> None:
    assert constants.BACKGROUND_COLOR == "#B1DDC6"


def test_default_data_dir_ends_with_data() -> None:
    assert constants.DEFAULT_DATA_DIR.name == "data"


def test_file_names_are_csv() -> None:
    assert constants.VOCABULARY_FILE_NAME.endswith(".csv")
    assert constants.PROGRESS_FILE_NAME.endswith(".csv")


def test_language_names_cover_ms_and_da() -> None:
    assert "ms" in constants.LANGUAGE_NAMES
    assert "da" in constants.LANGUAGE_NAMES


def test_project_root_contains_pyproject() -> None:
    assert (constants.PROJECT_ROOT / "pyproject.toml").is_file()


def test_csv_encoding_drops_byte_order_mark() -> None:
    assert constants.CSV_ENCODING == "utf-8-sig"


def test_assets_dir_holds_the_four_images_and_the_icon() -> None:
    names = [
        constants.CARD_FRONT_IMAGE_NAME,
        constants.CARD_BACK_IMAGE_NAME,
        constants.RIGHT_IMAGE_NAME,
        constants.WRONG_IMAGE_NAME,
        constants.ICON_FILE_NAME,
    ]
    assert len(set(names)) == 5
    assert all((constants.ASSETS_DIR / name).is_file() for name in names)


def test_bundled_vocabulary_is_the_word_list_of_the_bundled_data_dir() -> None:
    assert constants.BUNDLED_VOCABULARY_PATH == (
        constants.BUNDLED_DATA_DIR / constants.VOCABULARY_FILE_NAME
    )
    assert constants.BUNDLED_VOCABULARY_PATH.is_file()


def test_executable_and_icon_names() -> None:
    assert constants.EXECUTABLE_NAME == "flash-card"
    assert constants.ICON_FILE_NAME == "flash_card.ico"