"""Forum emoji: self-hosted Twemoji images, shortcodes, and no way to turn
user text into markup."""

import forum
import forum_emoji


def html(text):
    return str(forum.render_body(text))


def test_unicode_emoji_become_self_hosted_images():
    out = html("found one \U0001F680")
    assert '<img class="fx-emoji" src="/static/emoji/1f680.svg"' in out
    # skin tone and ZWJ sequences resolve to their own artwork
    assert "1f44d-1f3fd.svg" in html("\U0001F44D\U0001F3FD")
    assert "1f468-200d-1f469-200d-1f467.svg" in html("\U0001F468‍\U0001F469‍\U0001F467")


def test_plain_text_symbols_stay_text():
    out = html("#1 (c) © 2026 version 3")
    assert "<img" not in out


def test_shortcodes_and_custom_moonbite():
    out = html(":rocket: :moonbite: :not_a_real_one:")
    assert "1f680.svg" in out and "custom/moonbite.svg" in out
    assert ":not_a_real_one:" in out


def test_code_spans_stay_literal():
    out = html("`:rocket: \U0001F680`")
    assert "<code>:rocket: \U0001F680</code>" in out


def test_escaping_still_holds_around_emoji():
    out = html('<img src=x onerror=alert(1)> \U0001F680 :rocket:')
    assert "onerror" not in out.replace("&lt;img src=x onerror=alert(1)&gt;", "")
    assert str(forum.emojify_text("<b>\U0001F680</b>")).startswith("&lt;b&gt;<img")


def test_emoji_only_posts_go_jumbo():
    assert 'class="fx-jumbo"' in html("\U0001F389\U0001F389")
    assert 'class="fx-jumbo"' not in html("nice \U0001F389")
    assert forum_emoji.emoji_only(":moonbite:")


def test_every_picker_emoji_has_artwork():
    for group in forum_emoji.picker_data():
        for item in group["items"]:
            assert item["k"].startswith("custom/") or item["k"][:-4] in forum_emoji._NAMES