import re
import mistune


class SpoilerInlineGrammar(mistune.InlineGrammar):
    spoiler = re.compile(r"^\|\|(.+?)\s+([\s\S]+?)\s*\|\|")


class SpoilerInlineLexer(mistune.InlineLexer):
    grammar_class = SpoilerInlineGrammar

    def __init__(self, *args, **kwargs):
        self.default_rules.insert(0, "spoiler")
        super(SpoilerInlineLexer, self).__init__(*args, **kwargs)

    def output_spoiler(self, m):
        return self.renderer.spoiler(m.group(1), m.group(2))


class SpoilerRenderer(mistune.Renderer):
    def spoiler(self, summary, text):
        return """<details>
            <summary style="color: brown">
                <span class="spoiler-summary">%s</span>
            </summary>
            <div class="spoiler-text">%s</div>
        </details>""" % (
            summary,
            text,
        )