"""
Python Markdown

A Python implementation of John Gruber's Markdown.

Documentation: https://python-markdown.github.io/
GitHub: https://github.com/Python-Markdown/markdown/
PyPI: https://pypi.org/project/Markdown/

Started by Manfred Stienstra (http://www.dwerg.net/).
Maintained for a few years by Yuri Takhteyev (http://www.freewisdom.org).
Currently maintained by Waylan Limberg (https://github.com/waylan),
Dmitry Shachnev (https://github.com/mitya57) and Isaac Muse (https://github.com/facelessuser).

Copyright 2007-2019 The Python Markdown Project (v. 1.7 and later)
Copyright 2004, 2005, 2006 Yuri Takhteyev (v. 0.2-1.6b)
Copyright 2004 Manfred Stienstra (the original version)

License: BSD (see LICENSE.md for details).
"""

from markdown.test_tools import TestCase
from markdown.extensions.toc import TocExtension


class TestTOC(TestCase):

    # TODO: Move the rest of the TOC tests here.

    def test_escaped_char_in_id(self):
        self.assertMarkdownRenders(
            r'# escaped\_character',
            '<h1 id="escaped_character">escaped_character</h1>',
            extensions=['toc']
        )

    def testAnchorLinkWithCustomClass(self):
        self.assertMarkdownRenders(
            self.dedent(
                '''
                # Header 1

                ## Header *2*
                '''
            ),
            self.dedent(
                '''
                <h1 id="header-1"><a class="custom" href="#header-1">Header 1</a></h1>
                <h2 id="header-2"><a class="custom" href="#header-2">Header <em>2</em></a></h2>
                '''
            ),
            extensions=[TocExtension(anchorlink=True, anchorlink_class="custom")]
        )

    def testAnchorLinkWithCustomClasses(self):
        self.assertMarkdownRenders(
            self.dedent(
                '''
                # Header 1

                ## Header *2*
                '''
            ),
            self.dedent(
                '''
                <h1 id="header-1"><a class="custom1 custom2" href="#header-1">Header 1</a></h1>
                <h2 id="header-2"><a class="custom1 custom2" href="#header-2">Header <em>2</em></a></h2>
                '''
            ),
            extensions=[TocExtension(anchorlink=True, anchorlink_class="custom1 custom2")]
        )

    def testPermalinkWithEmptyText(self):
        self.assertMarkdownRenders(
            '# Header',
            '<h1 id="header">'                                                      # noqa
                'Header'                                                            # noqa
                '<a class="headerlink" href="#header" title="Permanent link"></a>'  # noqa
            '</h1>',                                                                # noqa
            extensions=[TocExtension(permalink="")]
        )

    def testPermalinkWithCustomClass(self):
        self.assertMarkdownRenders(
            '# Header',
            '<h1 id="header">'                                                        # noqa
                'Header'                                                              # noqa
                '<a class="custom" href="#header" title="Permanent link">&para;</a>'  # noqa
            '</h1>',                                                                  # noqa
            extensions=[TocExtension(permalink=True, permalink_class="custom")]
        )

    def testPermalinkWithCustomClasses(self):
        self.assertMarkdownRenders(
            '# Header',
            '<h1 id="header">'                                                                 # noqa
                'Header'                                                                       # noqa
                '<a class="custom1 custom2" href="#header" title="Permanent link">&para;</a>'  # noqa
            '</h1>',                                                                           # noqa
            extensions=[TocExtension(permalink=True, permalink_class="custom1 custom2")]
        )

    def testPermalinkWithCustomTitle(self):
        self.assertMarkdownRenders(
            '# Header',
            '<h1 id="header">'                                                    # noqa
                'Header'                                                          # noqa
                '<a class="headerlink" href="#header" title="custom">&para;</a>'  # noqa
            '</h1>',                                                              # noqa
            extensions=[TocExtension(permalink=True, permalink_title="custom")]
        )

    def testPermalinkWithEmptyTitle(self):
        self.assertMarkdownRenders(
            '# Header',
            '<h1 id="header">'                                                    # noqa
                'Header'                                                          # noqa
                '<a class="headerlink" href="#header">&para;</a>'                 # noqa
            '</h1>',                                                              # noqa
            extensions=[TocExtension(permalink=True, permalink_title="")]
        )