"""Tests for creative text formatting helpers."""

from src.usecase.creative.text_formatting import prepare_creative_text_html


def test_placeholder_is_replaced_with_custom_tag() -> None:
    source = 'Подписывайтесь: {link}!'
    assert prepare_creative_text_html(source) == 'Подписывайтесь: <a class="tg-link"></a>!'


def test_label_placeholder_is_wrapped() -> None:
    source = 'Жми [сюда]{link} скорее'
    assert prepare_creative_text_html(source) == 'Жми <a class="tg-link">сюда</a> скорее'


def test_placeholder_replacement_is_case_insensitive() -> None:
    source = 'Первый {LINK}, второй {Link}.'
    expected = 'Первый <a class="tg-link"></a>, второй <a class="tg-link"></a>.'
    assert prepare_creative_text_html(source) == expected


def test_plain_html_left_untouched() -> None:
    source = '<b>Жми</b> и <i>делись</i>'
    assert prepare_creative_text_html(source) == source