#!/usr/bin/env python3
import sys
import io
from textwrap import dedent

from markdown import markdown
from markdown.extensions.toc import TocExtension
from pygments.formatters import HtmlFormatter

from utils import configure_io, write_style


markdown_style = dedent("""\
    .markdown-body {
        font-size: 14px;
        line-height: 1.6;
        overflow: hidden;
    }
    .markdown-body>*:first-child {
        margin-top: 0 !important;
    }
    .markdown-body>*:last-child {
        margin-bottom: 0 !important;
    }
    .markdown-body a.absent {
        color: #c00;
    }
    .markdown-body a.anchor {
        display: block;
        padding-left: 30px;
        margin-left: -30px;
        cursor: pointer;
        position: absolute;
        top: 0;
        left: 0;
        bottom: 0;
    }
    .markdown-body h1, .markdown-body h2, .markdown-body h3, .markdown-body h4, .markdown-body h5, .markdown-body h6 {
        margin: 20px 0 10px;
        padding: 0;
        font-weight: bold;
        -webkit-font-smoothing: antialiased;
        cursor: text;
        position: relative;
    }
    .markdown-body h1 .mini-icon-link, .markdown-body h2 .mini-icon-link, .markdown-body h3 .mini-icon-link, .markdown-body h4 .mini-icon-link, .markdown-body h5 .mini-icon-link, .markdown-body h6 .mini-icon-link {
        display: none;
    }
    .markdown-body h1:hover a.anchor, .markdown-body h2:hover a.anchor, .markdown-body h3:hover a.anchor, .markdown-body h4:hover a.anchor, .markdown-body h5:hover a.anchor, .markdown-body h6:hover a.anchor {
        text-decoration: none;
        line-height: 1;
        padding-left: 0;
        margin-left: -22px;
        top: 15%;
    }
    .markdown-body h1:hover a.anchor .mini-icon-link, .markdown-body h2:hover a.anchor .mini-icon-link, .markdown-body h3:hover a.anchor .mini-icon-link, .markdown-body h4:hover a.anchor .mini-icon-link, .markdown-body h5:hover a.anchor .mini-icon-link, .markdown-body h6:hover a.anchor .mini-icon-link {
        display: inline-block;
    }
    .markdown-body h1 tt, .markdown-body h1 code, .markdown-body h2 tt, .markdown-body h2 code, .markdown-body h3 tt, .markdown-body h3 code, .markdown-body h4 tt, .markdown-body h4 code, .markdown-body h5 tt, .markdown-body h5 code, .markdown-body h6 tt, .markdown-body h6 code {
        font-size: inherit;
    }
    .markdown-body h1 {
        font-size: 28px;
    }
    .markdown-body h2 {
        font-size: 24px;
        border-bottom: 1px solid #ccc;
    }
    .markdown-body h3 {
        font-size: 18px;
    }
    .markdown-body h4 {
        font-size: 16px;
    }
    .markdown-body h5 {
        font-size: 14px;
    }
    .markdown-body h6 {
        color: #777;
        font-size: 14px;
    }
    .markdown-body p, .markdown-body blockquote, .markdown-body ul, .markdown-body ol, .markdown-body dl, .markdown-body table, .markdown-body pre {
        margin: 15px 0;
    }
    .markdown-body hr {
        border: 2px solid #ccc;
    }
    .markdown-body>h2:first-child, .markdown-body>h1:first-child, .markdown-body>h1:first-child+h2, .markdown-body>h3:first-child, .markdown-body>h4:first-child, .markdown-body>h5:first-child, .markdown-body>h6:first-child {
        margin-top: 0;
        padding-top: 0;
    }
    .markdown-body a:first-child h1, .markdown-body a:first-child h2, .markdown-body a:first-child h3, .markdown-body a:first-child h4, .markdown-body a:first-child h5, .markdown-body a:first-child h6 {
        margin-top: 0;
        padding-top: 0;
    }
    .markdown-body h1+p, .markdown-body h2+p, .markdown-body h3+p, .markdown-body h4+p, .markdown-body h5+p, .markdown-body h6+p {
        margin-top: 0;
    }
    .markdown-body li p.first {
        display: inline-block;
    }
    .markdown-body ul, .markdown-body ol {
        padding-left: 30px;
    }
    .markdown-body ul.no-list, .markdown-body ol.no-list {
        list-style-type: none;
        padding: 0;
    }
    .markdown-body ul li>:first-child, .markdown-body ul li ul:first-of-type, .markdown-body ul li ol:first-of-type, .markdown-body ol li>:first-child, .markdown-body ol li ul:first-of-type, .markdown-body ol li ol:first-of-type {
        margin-top: 0px;
    }
    .markdown-body ul li p:last-of-type, .markdown-body ol li p:last-of-type {
        margin-bottom: 0;
    }
    .markdown-body ul ul, .markdown-body ul ol, .markdown-body ol ol, .markdown-body ol ul {
        margin-bottom: 0;
    }
    .markdown-body dl {
        padding: 0;
    }
    .markdown-body dl dt {
        font-size: 14px;
        font-weight: bold;
        font-style: italic;
        padding: 0;
        margin: 15px 0 5px;
    }
    .markdown-body dl dt:first-child {
        padding: 0;
    }
    .markdown-body dl dt>:first-child {
        margin-top: 0px;
    }
    .markdown-body dl dt>:last-child {
        margin-bottom: 0px;
    }
    .markdown-body dl dd {
        margin: 0 0 15px;
        padding: 0 15px;
    }
    .markdown-body dl dd>:first-child {
        margin-top: 0px;
    }
    .markdown-body dl dd>:last-child {
        margin-bottom: 0px;
    }
    .markdown-body blockquote {
        border-left: 4px solid #DDD;
        padding: 0 15px;
        color: #777;
    }
    .markdown-body blockquote>:first-child {
        margin-top: 0px;
    }
    .markdown-body blockquote>:last-child {
        margin-bottom: 0px;
    }
    .markdown-body table th {
        font-weight: bold;
    }
    .markdown-body table th, .markdown-body table td {
        border: 1px solid #ccc;
        padding: 6px 13px;
    }
    .markdown-body table tr {
        border-top: 1px solid #ccc;
        background-color: #fff;
    }
    .markdown-body table tr:nth-child(2n) {
        background-color: #f8f8f8;
    }
    .markdown-body img {
        max-width: 100%;
        -moz-box-sizing: border-box;
        box-sizing: border-box;
    }
    .markdown-body span.frame {
        display: block;
        overflow: hidden;
    }
    .markdown-body span.frame>span {
        border: 1px solid #ddd;
        display: block;
        float: left;
        overflow: hidden;
        margin: 13px 0 0;
        padding: 7px;
        width: auto;
    }
    .markdown-body span.frame span img {
        display: block;
        float: left;
    }
    .markdown-body span.frame span span {
        clear: both;
        color: #333;
        display: block;
        padding: 5px 0 0;
    }
    .markdown-body span.align-center {
        display: block;
        overflow: hidden;
        clear: both;
    }
    .markdown-body span.align-center>span {
        display: block;
        overflow: hidden;
        margin: 13px auto 0;
        text-align: center;
    }
    .markdown-body span.align-center span img {
        margin: 0 auto;
        text-align: center;
    }
    .markdown-body span.align-right {
        display: block;
        overflow: hidden;
        clear: both;
    }
    .markdown-body span.align-right>span {
        display: block;
        overflow: hidden;
        margin: 13px 0 0;
        text-align: right;
    }
    .markdown-body span.align-right span img {
        margin: 0;
        text-align: right;
    }
    .markdown-body span.float-left {
        display: block;
        margin-right: 13px;
        overflow: hidden;
        float: left;
    }
    .markdown-body span.float-left span {
        margin: 13px 0 0;
    }
    .markdown-body span.float-right {
        display: block;
        margin-left: 13px;
        overflow: hidden;
        float: right;
    }
    .markdown-body span.float-right>span {
        display: block;
        overflow: hidden;
        margin: 13px auto 0;
        text-align: right;
    }
    .markdown-body code, .markdown-body tt {
        margin: 0 2px;
        padding: 0px 5px;
        border: 1px solid #eaeaea;
        background-color: #f8f8f8;
        border-radius: 3px;
    }
    .markdown-body code {
        white-space: nowrap;
    }
    .markdown-body pre>code {
        margin: 0;
        padding: 0;
        white-space: pre;
        border: none;
        background: transparent;
    }
    .markdown-body .highlight pre, .markdown-body pre {
        background-color: #111111;
        border: 1px solid #ccc;
        font-size: 13px;
        line-height: 19px;
        overflow: auto;
        padding: 6px 10px;
        border-radius: 3px;
    }
    .markdown-body pre code, .markdown-body pre tt {
        margin: 0;
        padding: 0;
        background-color: transparent;
        border: none;
    }
    table.blob {
        display: none;
    }
""")


def write_markdown_as_html(markdown_input: str):
    sys.stdout.write("<div class='markdown-body'>")
    sys.stdout.flush()

    html = markdown(
        text=markdown_input,
		output_format="html5",
		extensions=[
				"markdown.extensions.fenced_code",
				"markdown.extensions.codehilite",
				"markdown.extensions.tables",
				"markdown.extensions.sane_lists",
				TocExtension(anchorlink=True)],
		extension_configs={
			"markdown.extensions.codehilite":{"css_class":"highlight"}
		}
	)

    sys.stdout.write(html)

    sys.stdout.write("</div>")


if __name__ == "__main__":
    configure_io()

    formatter = HtmlFormatter(style="fruity", nobackground=True)

    write_style(formatter, markdown_style)

    write_markdown_as_html(sys.stdin.read())