from __future__ import annotations

from yuxi.channels.adapters.twitch.markdown_utils import strip_twitch_markdown


class TestStripTwitchMarkdown:

    def test_plain_text_passthrough(self):
        assert strip_twitch_markdown("Hello world") == "Hello world"

    def test_empty_string(self):
        assert strip_twitch_markdown("") == ""

    def test_remove_images(self):
        assert strip_twitch_markdown("See ![alt](https://img.png) here") == "See here"

    def test_strip_links_keep_text(self):
        result = strip_twitch_markdown("Click [here](https://example.com) now")
        assert result == "Click here now"

    def test_remove_bold_markers(self):
        assert strip_twitch_markdown("**bold text** here") == "bold text here"

    def test_remove_bold_underscore(self):
        assert strip_twitch_markdown("__bold__ here") == "bold here"

    def test_remove_italic_markers(self):
        assert strip_twitch_markdown("*italic text* here") == "italic text here"

    def test_remove_italic_underscore(self):
        assert strip_twitch_markdown("_italic_ here") == "italic here"

    def test_remove_strikethrough(self):
        assert strip_twitch_markdown("~~strikethrough~~ here") == "strikethrough here"

    def test_remove_fenced_code_block(self):
        result = strip_twitch_markdown("```python\nprint('hello')\n```")
        assert result == "print('hello')"

    def test_remove_inline_code(self):
        assert strip_twitch_markdown("Use `code()` here") == "Use code() here"

    def test_remove_heading_markers(self):
        assert strip_twitch_markdown("# Heading 1") == "Heading 1"
        assert strip_twitch_markdown("## Heading 2") == "Heading 2"
        assert strip_twitch_markdown("### Heading 3") == "Heading 3"

    def test_remove_unordered_list_markers(self):
        assert strip_twitch_markdown("- item 1") == "item 1"
        assert strip_twitch_markdown("* item 2") == "item 2"

    def test_remove_ordered_list_markers(self):
        assert strip_twitch_markdown("1. first") == "first"
        assert strip_twitch_markdown("10. tenth") == "tenth"

    def test_remove_blockquote(self):
        assert strip_twitch_markdown("> quoted text") == "quoted text"

    def test_remove_horizontal_rules(self):
        assert strip_twitch_markdown("before\n---\nafter") == "before\n\nafter"
        assert strip_twitch_markdown("before\n***\nafter") == "before\n\nafter"

    def test_compress_multiple_spaces(self):
        assert strip_twitch_markdown("a    b   c") == "a b c"

    def test_compress_multiple_newlines(self):
        result = strip_twitch_markdown("line1\n\n\n\nline2")
        assert result == "line1\n\nline2"

    def test_complex_markdown(self):
        text = "**Bold** and *italic* with [a link](http://x.com) and `code`"
        result = strip_twitch_markdown(text)
        assert result == "Bold and italic with a link and code"

    def test_nested_formatting(self):
        text = "**bold *and italic* together**"
        result = strip_twitch_markdown(text)
        assert "**" not in result
        assert "*" not in result