#!/usr/bin/env python

import glob, os, re

chapter_re = re.compile(r'<(chapter|appendix|preface)\s+id="([^"]+)">')

filename_re = re.compile(r'<\?dbhtml filename="([^"]+)"\?>')

title_re = re.compile(r'<title>(.*)</title>')

chapters = (sorted(glob.glob('../en/ch*.xml')) +

            sorted(glob.glob('../en/app*.xml')))

fp = open('index-read.html.in', 'w')

print >> fp, '''<!-- -*- html -*- -->

{% extends "boilerplate.html" %}

{% block bodycontent %}

<div class="navheader"><h1 class="booktitle">Mercurial: The Definitive Guide<div class="authors">by Bryan O'Sullivan</div></h1></div>

<div class="book"><ul class="booktoc">'''

ch = 0

app = 0

ab = 0

for c in chapters:

    filename = None

    title = None

    chapid = None

    chaptype = None

    for line in open(c):

        m = chapter_re.search(line)

        if m:

            chaptype, chapid = m.groups()

        m = filename_re.search(line)

        if m:

            filename = m.group(1)

        m = title_re.search(line)

        if m:

            title = m.group(1)

        if filename and title and chapid:

            if chaptype == 'appendix':

                num = chr(ord('A') + app)

                app += 1

            else:

                num = ch

                ch += 1

            ab += 1

            date = os.popen('hg log -l1 --template "{date|isodate}" ' + c).read().split(None, 1)[0]

            args = {

                'ab': "ab"[ab % 2],

                'date': date,

                'chapid': chapid,

                'num': num,

                'filename': filename,

                'title': title,

                }

            print >> fp, '<li class="zebra_%(ab)s"><span class="chapinfo">%(date)s<a href="/feeds/comments/%(chapid)s/"><img src="/support/figs/rss.png"/></a></span>%(num)s. <a href="%(filename)s">%(title)s</a></li>' % args

            break

print >> fp, '''</ul></div>

{% endblock %}'''

fp.close()